#define TEMPSYM_INIT(symptr, p, e, f) \
STMT_START { \
- (symptr)->patptr = (p); \
- (symptr)->patend = (e); \
- (symptr)->grpbeg = NULL; \
- (symptr)->grpend = NULL; \
- (symptr)->grpend = NULL; \
- (symptr)->code = 0; \
- (symptr)->length = 0; \
- (symptr)->howlen = e_no_len; \
- (symptr)->level = 0; \
- (symptr)->flags = (f); \
- (symptr)->strbeg = 0; \
- (symptr)->previous = NULL; \
+ (symptr)->patptr = (p); \
+ (symptr)->patend = (e); \
+ (symptr)->grpbeg = NULL; \
+ (symptr)->grpend = NULL; \
+ (symptr)->grpend = NULL; \
+ (symptr)->code = 0; \
+ (symptr)->length = 0; \
+ (symptr)->howlen = e_no_len; \
+ (symptr)->level = 0; \
+ (symptr)->flags = (f); \
+ (symptr)->strbeg = 0; \
+ (symptr)->previous = NULL; \
} STMT_END
typedef union {
STMT_START { \
if (UNLIKELY(utf8)) { \
if (!S_utf8_to_bytes(aTHX_ &s, strend, \
- (char *) (buf), len, datumtype)) break; \
+ (char *) (buf), len, datumtype)) break; \
} else { \
if (UNLIKELY(needs_swap)) \
S_reverse_copy(s, (char *) (buf), len); \
UV val;
if (*s >= end) {
- goto croak;
+ goto croak;
}
val = utf8n_to_uvchr((U8 *) *s, end-*s, &retlen,
- ckWARN(WARN_UTF8) ? 0 : UTF8_ALLOW_ANY);
+ ckWARN(WARN_UTF8) ? 0 : UTF8_ALLOW_ANY);
if (retlen == (STRLEN) -1)
croak:
- Perl_croak(aTHX_ "Malformed UTF-8 string in '%c' format in unpack",
- (int) TYPE_NO_MODIFIERS(datumtype));
+ Perl_croak(aTHX_ "Malformed UTF-8 string in '%c' format in unpack",
+ (int) TYPE_NO_MODIFIERS(datumtype));
if (val >= 0x100) {
- Perl_ck_warner(aTHX_ packWARN(WARN_UNPACK),
- "Character in '%c' format wrapped in unpack",
- (int) TYPE_NO_MODIFIERS(datumtype));
- val &= 0xff;
+ Perl_ck_warner(aTHX_ packWARN(WARN_UNPACK),
+ "Character in '%c' format wrapped in unpack",
+ (int) TYPE_NO_MODIFIERS(datumtype));
+ val &= 0xff;
}
*s += retlen;
return (U8)val;
}
#define SHIFT_BYTE(utf8, s, strend, datumtype) ((utf8) ? \
- utf8_to_byte(aTHX_ &(s), (strend), (datumtype)) : \
- *(U8 *)(s)++)
+ utf8_to_byte(aTHX_ &(s), (strend), (datumtype)) : \
+ *(U8 *)(s)++)
STATIC bool
S_utf8_to_bytes(pTHX_ const char **s, const char *end, const char *buf, SSize_t buf_len, I32 datumtype)
const char *from = *s;
int bad = 0;
const U32 flags = ckWARN(WARN_UTF8) ?
- UTF8_CHECK_ONLY : (UTF8_CHECK_ONLY | UTF8_ALLOW_ANY);
+ UTF8_CHECK_ONLY : (UTF8_CHECK_ONLY | UTF8_ALLOW_ANY);
const bool needs_swap = NEEDS_SWAP(datumtype);
if (UNLIKELY(needs_swap))
buf += buf_len;
for (;buf_len > 0; buf_len--) {
- if (from >= end) return FALSE;
- val = utf8n_to_uvchr((U8 *) from, end-from, &retlen, flags);
- if (retlen == (STRLEN) -1) {
- from += UTF8_SAFE_SKIP(from, end);
- bad |= 1;
- } else from += retlen;
- if (val >= 0x100) {
- bad |= 2;
- val &= 0xff;
- }
+ if (from >= end) return FALSE;
+ val = utf8n_to_uvchr((U8 *) from, end-from, &retlen, flags);
+ if (retlen == (STRLEN) -1) {
+ from += UTF8_SAFE_SKIP(from, end);
+ bad |= 1;
+ } else from += retlen;
+ if (val >= 0x100) {
+ bad |= 2;
+ val &= 0xff;
+ }
if (UNLIKELY(needs_swap))
*(U8 *)--buf = (U8)val;
else
}
/* We have enough characters for the buffer. Did we have problems ? */
if (bad) {
- if (bad & 1) {
- /* Rewalk the string fragment while warning */
- const char *ptr;
- const U32 flags = ckWARN(WARN_UTF8) ? 0 : UTF8_ALLOW_ANY;
- for (ptr = *s; ptr < from; ptr += UTF8SKIP(ptr)) {
- if (ptr >= end) break;
- utf8n_to_uvchr((U8 *) ptr, end-ptr, &retlen, flags);
- }
- if (from > end) from = end;
- }
- if ((bad & 2))
- Perl_ck_warner(aTHX_ packWARN(datumtype & TYPE_IS_PACK ?
- WARN_PACK : WARN_UNPACK),
- "Character(s) in '%c' format wrapped in %s",
- (int) TYPE_NO_MODIFIERS(datumtype),
- datumtype & TYPE_IS_PACK ? "pack" : "unpack");
+ if (bad & 1) {
+ /* Rewalk the string fragment while warning */
+ const char *ptr;
+ const U32 flags = ckWARN(WARN_UTF8) ? 0 : UTF8_ALLOW_ANY;
+ for (ptr = *s; ptr < from; ptr += UTF8SKIP(ptr)) {
+ if (ptr >= end) break;
+ utf8n_to_uvchr((U8 *) ptr, end-ptr, &retlen, flags);
+ }
+ if (from > end) from = end;
+ }
+ if ((bad & 2))
+ Perl_ck_warner(aTHX_ packWARN(datumtype & TYPE_IS_PACK ?
+ WARN_PACK : WARN_UNPACK),
+ "Character(s) in '%c' format wrapped in %s",
+ (int) TYPE_NO_MODIFIERS(datumtype),
+ datumtype & TYPE_IS_PACK ? "pack" : "unpack");
}
*s = from;
return TRUE;
#define PUSH_BYTES(utf8, cur, buf, len, needs_swap) \
STMT_START { \
if (UNLIKELY(utf8)) \
- (cur) = my_bytes_to_utf8((U8 *) buf, len, (cur), needs_swap); \
+ (cur) = my_bytes_to_utf8((U8 *) buf, len, (cur), needs_swap); \
else { \
if (UNLIKELY(needs_swap)) \
S_reverse_copy((char *)(buf), cur, len); \
else \
Copy(buf, cur, len, char); \
- (cur) += (len); \
+ (cur) += (len); \
} \
} STMT_END
if (SSize_t_MAX - glen < catcur) \
Perl_croak(aTHX_ "%s", "Out of memory during pack()"); \
if (catcur + glen >= SvLEN(cat)) { \
- (start) = sv_exp_grow(cat, glen); \
- (cur) = (start) + SvCUR(cat); \
+ (start) = sv_exp_grow(cat, glen); \
+ (cur) = (start) + SvCUR(cat); \
} \
} STMT_END
if ((cur) + gl >= (start) + SvLEN(cat)) { \
*cur = '\0'; \
SvCUR_set((cat), (cur) - (start)); \
- (start) = sv_exp_grow(cat, gl); \
- (cur) = (start) + SvCUR(cat); \
+ (start) = sv_exp_grow(cat, gl); \
+ (cur) = (start) + SvCUR(cat); \
} \
PUSH_BYTES(utf8, cur, buf, glen, 0); \
} STMT_END
#define PUSH_BYTE(utf8, s, byte) \
STMT_START { \
if (utf8) { \
- const U8 au8 = (byte); \
- (s) = my_bytes_to_utf8(&au8, 1, (s), 0);\
+ const U8 au8 = (byte); \
+ (s) = my_bytes_to_utf8(&au8, 1, (s), 0);\
} else *(U8 *)(s)++ = (byte); \
} STMT_END
if (str >= end) break; \
val = utf8n_to_uvchr((U8 *) str, end-str, &retlen, utf8_flags); \
if (retlen == (STRLEN) -1) { \
- *cur = '\0'; \
- Perl_croak(aTHX_ "Malformed UTF-8 string in pack"); \
+ *cur = '\0'; \
+ Perl_croak(aTHX_ "Malformed UTF-8 string in pack"); \
} \
str += retlen; \
} STMT_END
PERL_ARGS_ASSERT_MEASURE_STRUCT;
while (next_symbol(symptr)) {
- SSize_t len, size;
+ SSize_t len, size;
switch (symptr->howlen) {
- case e_star:
- Perl_croak(aTHX_ "Within []-length '*' not allowed in %s",
+ case e_star:
+ Perl_croak(aTHX_ "Within []-length '*' not allowed in %s",
_action( symptr ) );
- default:
- /* e_no_len and e_number */
- len = symptr->length;
- break;
+ default:
+ /* e_no_len and e_number */
+ len = symptr->length;
+ break;
}
- size = packprops[TYPE_NO_ENDIANNESS(symptr->code)] & PACK_SIZE_MASK;
- if (!size) {
+ size = packprops[TYPE_NO_ENDIANNESS(symptr->code)] & PACK_SIZE_MASK;
+ if (!size) {
SSize_t star;
- /* endianness doesn't influence the size of a type */
- switch(TYPE_NO_ENDIANNESS(symptr->code)) {
- default:
- Perl_croak(aTHX_ "Invalid type '%c' in %s",
- (int)TYPE_NO_MODIFIERS(symptr->code),
+ /* endianness doesn't influence the size of a type */
+ switch(TYPE_NO_ENDIANNESS(symptr->code)) {
+ default:
+ Perl_croak(aTHX_ "Invalid type '%c' in %s",
+ (int)TYPE_NO_MODIFIERS(symptr->code),
_action( symptr ) );
- case '.' | TYPE_IS_SHRIEKING:
- case '@' | TYPE_IS_SHRIEKING:
- case '@':
- case '.':
- case '/':
- case 'U': /* XXXX Is it correct? */
- case 'w':
- case 'u':
- Perl_croak(aTHX_ "Within []-length '%c' not allowed in %s",
- (int) TYPE_NO_MODIFIERS(symptr->code),
+ case '.' | TYPE_IS_SHRIEKING:
+ case '@' | TYPE_IS_SHRIEKING:
+ case '@':
+ case '.':
+ case '/':
+ case 'U': /* XXXX Is it correct? */
+ case 'w':
+ case 'u':
+ Perl_croak(aTHX_ "Within []-length '%c' not allowed in %s",
+ (int) TYPE_NO_MODIFIERS(symptr->code),
_action( symptr ) );
- case '%':
- size = 0;
- break;
- case '(':
- {
- tempsym_t savsym = *symptr;
- symptr->patptr = savsym.grpbeg;
- symptr->patend = savsym.grpend;
- /* XXXX Theoretically, we need to measure many times at
- different positions, since the subexpression may contain
- alignment commands, but be not of aligned length.
- Need to detect this and croak(). */
- size = measure_struct(symptr);
- *symptr = savsym;
- break;
- }
- case 'X' | TYPE_IS_SHRIEKING:
- /* XXXX Is this useful? Then need to treat MEASURE_BACKWARDS.
- */
- if (!len) /* Avoid division by 0 */
- len = 1;
- len = total % len; /* Assumed: the start is aligned. */
- /* FALLTHROUGH */
- case 'X':
- size = -1;
- if (total < len)
+ case '%':
+ size = 0;
+ break;
+ case '(':
+ {
+ tempsym_t savsym = *symptr;
+ symptr->patptr = savsym.grpbeg;
+ symptr->patend = savsym.grpend;
+ /* XXXX Theoretically, we need to measure many times at
+ different positions, since the subexpression may contain
+ alignment commands, but be not of aligned length.
+ Need to detect this and croak(). */
+ size = measure_struct(symptr);
+ *symptr = savsym;
+ break;
+ }
+ case 'X' | TYPE_IS_SHRIEKING:
+ /* XXXX Is this useful? Then need to treat MEASURE_BACKWARDS.
+ */
+ if (!len) /* Avoid division by 0 */
+ len = 1;
+ len = total % len; /* Assumed: the start is aligned. */
+ /* FALLTHROUGH */
+ case 'X':
+ size = -1;
+ if (total < len)
Perl_croak(aTHX_ "'X' outside of string in %s", _action( symptr ) );
- break;
- case 'x' | TYPE_IS_SHRIEKING:
- if (!len) /* Avoid division by 0 */
- len = 1;
- star = total % len; /* Assumed: the start is aligned. */
- if (star) /* Other portable ways? */
- len = len - star;
- else
- len = 0;
- /* FALLTHROUGH */
- case 'x':
- case 'A':
- case 'Z':
- case 'a':
- size = 1;
- break;
- case 'B':
- case 'b':
- len = (len + 7)/8;
- size = 1;
- break;
- case 'H':
- case 'h':
- len = (len + 1)/2;
- size = 1;
- break;
-
- case 'P':
- len = 1;
- size = sizeof(char*);
- break;
- }
- }
- total += len * size;
+ break;
+ case 'x' | TYPE_IS_SHRIEKING:
+ if (!len) /* Avoid division by 0 */
+ len = 1;
+ star = total % len; /* Assumed: the start is aligned. */
+ if (star) /* Other portable ways? */
+ len = len - star;
+ else
+ len = 0;
+ /* FALLTHROUGH */
+ case 'x':
+ case 'A':
+ case 'Z':
+ case 'a':
+ size = 1;
+ break;
+ case 'B':
+ case 'b':
+ len = (len + 7)/8;
+ size = 1;
+ break;
+ case 'H':
+ case 'h':
+ len = (len + 1)/2;
+ size = 1;
+ break;
+
+ case 'P':
+ len = 1;
+ size = sizeof(char*);
+ break;
+ }
+ }
+ total += len * size;
}
return total;
}
PERL_ARGS_ASSERT_GROUP_END;
while (patptr < patend) {
- const char c = *patptr++;
-
- if (isSPACE(c))
- continue;
- else if (c == ender)
- return patptr-1;
- else if (c == '#') {
- while (patptr < patend && *patptr != '\n')
- patptr++;
- continue;
- } else if (c == '(')
- patptr = group_end(patptr, patend, ')') + 1;
- else if (c == '[')
- patptr = group_end(patptr, patend, ']') + 1;
+ const char c = *patptr++;
+
+ if (isSPACE(c))
+ continue;
+ else if (c == ender)
+ return patptr-1;
+ else if (c == '#') {
+ while (patptr < patend && *patptr != '\n')
+ patptr++;
+ continue;
+ } else if (c == '(')
+ patptr = group_end(patptr, patend, ')') + 1;
+ else if (c == '[')
+ patptr = group_end(patptr, patend, ']') + 1;
}
Perl_croak(aTHX_ "No group ending character '%c' found in template",
ender);
else if (*patptr == '#') {
patptr++;
while (patptr < patend && *patptr != '\n')
- patptr++;
+ patptr++;
if (patptr < patend)
- patptr++;
+ patptr++;
} else {
/* We should have found a template code */
I32 code = *patptr++ & 0xFF;
U32 inherited_modifiers = 0;
if (code == ','){ /* grandfather in commas but with a warning */
- if (((symptr->flags & FLAG_COMMA) == 0) && ckWARN(WARN_UNPACK)){
+ if (((symptr->flags & FLAG_COMMA) == 0) && ckWARN(WARN_UNPACK)){
symptr->flags |= FLAG_COMMA;
- Perl_warner(aTHX_ packWARN(WARN_UNPACK),
- "Invalid type ',' in %s", _action( symptr ) );
+ Perl_warner(aTHX_ packWARN(WARN_UNPACK),
+ "Invalid type ',' in %s", _action( symptr ) );
}
- continue;
+ continue;
}
/* for '(', skip to ')' */
symptr->grpbeg = patptr;
patptr = 1 + ( symptr->grpend = group_end(patptr, patend, ')') );
if( symptr->level >= MAX_SUB_TEMPLATE_LEVEL )
- Perl_croak(aTHX_ "Too deeply nested ()-groups in %s",
+ Perl_croak(aTHX_ "Too deeply nested ()-groups in %s",
_action( symptr ) );
}
*patptr, _action( symptr ) );
if ((code & modifier)) {
- Perl_ck_warner(aTHX_ packWARN(WARN_UNPACK),
- "Duplicate modifier '%c' after '%c' in %s",
- *patptr, (int) TYPE_NO_MODIFIERS(code),
- _action( symptr ) );
+ Perl_ck_warner(aTHX_ packWARN(WARN_UNPACK),
+ "Duplicate modifier '%c' after '%c' in %s",
+ *patptr, (int) TYPE_NO_MODIFIERS(code),
+ _action( symptr ) );
}
code |= modifier;
/* look for count and/or / */
if (patptr < patend) {
- if (isDIGIT(*patptr)) {
- patptr = get_num( patptr, &symptr->length );
+ if (isDIGIT(*patptr)) {
+ patptr = get_num( patptr, &symptr->length );
symptr->howlen = e_number;
} else if (*patptr == '*') {
else if (*patptr == '#') {
patptr++;
while (patptr < patend && *patptr != '\n')
- patptr++;
+ patptr++;
if (patptr < patend)
- patptr++;
+ patptr++;
} else {
if (*patptr == '/') {
symptr->flags |= FLAG_SLASH;
_action( symptr ) );
}
break;
- }
- }
+ }
+ }
} else {
/* at end - no count, no / */
symptr->howlen = e_no_len;
PERL_ARGS_ASSERT_NEED_UTF8;
while (pat < patend) {
- if (pat[0] == '#') {
- pat++;
- pat = (const char *) memchr(pat, '\n', patend-pat);
- if (!pat) return FALSE;
- } else if (pat[0] == 'U') {
- if (first || pat[1] == '0') return TRUE;
- } else first = FALSE;
- pat++;
+ if (pat[0] == '#') {
+ pat++;
+ pat = (const char *) memchr(pat, '\n', patend-pat);
+ if (!pat) return FALSE;
+ } else if (pat[0] == 'U') {
+ if (first || pat[1] == '0') return TRUE;
+ } else first = FALSE;
+ pat++;
}
return FALSE;
}
PERL_ARGS_ASSERT_FIRST_SYMBOL;
while (pat < patend) {
- if (pat[0] != '#') return pat[0];
- pat++;
- pat = (const char *) memchr(pat, '\n', patend-pat);
- if (!pat) return 0;
- pat++;
+ if (pat[0] != '#') return pat[0];
+ pat++;
+ pat = (const char *) memchr(pat, '\n', patend-pat);
+ if (!pat) return 0;
+ pat++;
}
return 0;
}
if (flags & FLAG_DO_UTF8) flags |= FLAG_WAS_UTF8;
else if (need_utf8(pat, patend)) {
- /* We probably should try to avoid this in case a scalar context call
- wouldn't get to the "U0" */
- STRLEN len = strend - s;
- s = (char *) bytes_to_utf8((U8 *) s, &len);
- SAVEFREEPV(s);
- strend = s + len;
- flags |= FLAG_DO_UTF8;
+ /* We probably should try to avoid this in case a scalar context call
+ wouldn't get to the "U0" */
+ STRLEN len = strend - s;
+ s = (char *) bytes_to_utf8((U8 *) s, &len);
+ SAVEFREEPV(s);
+ strend = s + len;
+ flags |= FLAG_DO_UTF8;
}
if (first_symbol(pat, patend) != 'U' && (flags & FLAG_DO_UTF8))
- flags |= FLAG_PARSE_UTF8;
+ flags |= FLAG_PARSE_UTF8;
TEMPSYM_INIT(&sym, pat, patend, flags);
symptr->strbeg = s - strbeg;
while (next_symbol(symptr)) {
- packprops_t props;
- SSize_t len;
+ packprops_t props;
+ SSize_t len;
I32 datumtype = symptr->code;
bool needs_swap;
- /* do first one only unless in list context
- / is implemented by unpacking the count, then popping it from the
- stack, so must check that we're not in the middle of a / */
+ /* do first one only unless in list context
+ / is implemented by unpacking the count, then popping it from the
+ stack, so must check that we're not in the middle of a / */
if ( unpack_only_one
- && (SP - PL_stack_base == start_sp_offset + 1)
- && (datumtype != '/') ) /* XXX can this be omitted */
+ && (SP - PL_stack_base == start_sp_offset + 1)
+ && (datumtype != '/') ) /* XXX can this be omitted */
break;
switch (howlen = symptr->howlen) {
- case e_star:
- len = strend - strbeg; /* long enough */
- break;
- default:
- /* e_no_len and e_number */
- len = symptr->length;
- break;
+ case e_star:
+ len = strend - strbeg; /* long enough */
+ break;
+ default:
+ /* e_no_len and e_number */
+ len = symptr->length;
+ break;
}
explicit_length = TRUE;
redo_switch:
beyond = s >= strend;
- props = packprops[TYPE_NO_ENDIANNESS(datumtype)];
- if (props) {
- /* props nonzero means we can process this letter. */
+ props = packprops[TYPE_NO_ENDIANNESS(datumtype)];
+ if (props) {
+ /* props nonzero means we can process this letter. */
const SSize_t size = props & PACK_SIZE_MASK;
const SSize_t howmany = (strend - s) / size;
- if (len > howmany)
- len = howmany;
+ if (len > howmany)
+ len = howmany;
- if (!checksum || (props & PACK_SIZE_CANNOT_CSUM)) {
- if (len && unpack_only_one) len = 1;
- EXTEND(SP, len);
- EXTEND_MORTAL(len);
- }
- }
+ if (!checksum || (props & PACK_SIZE_CANNOT_CSUM)) {
+ if (len && unpack_only_one) len = 1;
+ EXTEND(SP, len);
+ EXTEND_MORTAL(len);
+ }
+ }
needs_swap = NEEDS_SWAP(datumtype);
- switch(TYPE_NO_ENDIANNESS(datumtype)) {
- default:
- Perl_croak(aTHX_ "Invalid type '%c' in unpack", (int)TYPE_NO_MODIFIERS(datumtype) );
+ switch(TYPE_NO_ENDIANNESS(datumtype)) {
+ default:
+ Perl_croak(aTHX_ "Invalid type '%c' in unpack", (int)TYPE_NO_MODIFIERS(datumtype) );
- case '%':
- if (howlen == e_no_len)
- len = 16; /* len is not specified */
- checksum = len;
- cuv = 0;
- cdouble = 0;
- continue;
+ case '%':
+ if (howlen == e_no_len)
+ len = 16; /* len is not specified */
+ checksum = len;
+ cuv = 0;
+ cdouble = 0;
+ continue;
- case '(':
- {
+ case '(':
+ {
tempsym_t savsym = *symptr;
const U32 group_modifiers = TYPE_MODIFIERS(datumtype & ~symptr->flags);
- symptr->flags |= group_modifiers;
+ symptr->flags |= group_modifiers;
symptr->patend = savsym.grpend;
- symptr->previous = &savsym;
+ symptr->previous = &savsym;
symptr->level++;
- PUTBACK;
- if (len && unpack_only_one) len = 1;
- while (len--) {
- symptr->patptr = savsym.grpbeg;
- if (utf8) symptr->flags |= FLAG_PARSE_UTF8;
- else symptr->flags &= ~FLAG_PARSE_UTF8;
- unpack_rec(symptr, s, strbeg, strend, &s);
+ PUTBACK;
+ if (len && unpack_only_one) len = 1;
+ while (len--) {
+ symptr->patptr = savsym.grpbeg;
+ if (utf8) symptr->flags |= FLAG_PARSE_UTF8;
+ else symptr->flags &= ~FLAG_PARSE_UTF8;
+ unpack_rec(symptr, s, strbeg, strend, &s);
if (s == strend && savsym.howlen == e_star)
- break; /* No way to continue */
- }
- SPAGAIN;
+ break; /* No way to continue */
+ }
+ SPAGAIN;
savsym.flags = symptr->flags & ~group_modifiers;
*symptr = savsym;
- break;
- }
- case '.' | TYPE_IS_SHRIEKING:
- case '.': {
- const char *from;
- SV *sv;
- const bool u8 = utf8 && !(datumtype & TYPE_IS_SHRIEKING);
- if (howlen == e_star) from = strbeg;
- else if (len <= 0) from = s;
- else {
- tempsym_t *group = symptr;
-
- while (--len && group) group = group->previous;
- from = group ? strbeg + group->strbeg : strbeg;
- }
- sv = from <= s ?
- newSVuv( u8 ? (UV) utf8_length((const U8*)from, (const U8*)s) : (UV) (s-from)) :
- newSViv(-(u8 ? (IV) utf8_length((const U8*)s, (const U8*)from) : (IV) (from-s)));
- mXPUSHs(sv);
- break;
- }
- case '@' | TYPE_IS_SHRIEKING:
- case '@':
- s = strbeg + symptr->strbeg;
- if (utf8 && !(datumtype & TYPE_IS_SHRIEKING))
- {
- while (len > 0) {
- if (s >= strend)
- Perl_croak(aTHX_ "'@' outside of string in unpack");
- s += UTF8SKIP(s);
- len--;
- }
- if (s > strend)
- Perl_croak(aTHX_ "'@' outside of string with malformed UTF-8 in unpack");
- } else {
- if (strend-s < len)
- Perl_croak(aTHX_ "'@' outside of string in unpack");
- s += len;
- }
- break;
- case 'X' | TYPE_IS_SHRIEKING:
- if (!len) /* Avoid division by 0 */
- len = 1;
- if (utf8) {
- const char *hop, *last;
- SSize_t l = len;
- hop = last = strbeg;
- while (hop < s) {
- hop += UTF8SKIP(hop);
- if (--l == 0) {
- last = hop;
- l = len;
- }
- }
- if (last > s)
- Perl_croak(aTHX_ "Malformed UTF-8 string in unpack");
- s = last;
- break;
- }
- len = (s - strbeg) % len;
- /* FALLTHROUGH */
- case 'X':
- if (utf8) {
- while (len > 0) {
- if (s <= strbeg)
- Perl_croak(aTHX_ "'X' outside of string in unpack");
- while (--s, UTF8_IS_CONTINUATION(*s)) {
- if (s <= strbeg)
- Perl_croak(aTHX_ "'X' outside of string in unpack");
- }
- len--;
- }
- } else {
- if (len > s - strbeg)
- Perl_croak(aTHX_ "'X' outside of string in unpack" );
- s -= len;
- }
- break;
- case 'x' | TYPE_IS_SHRIEKING: {
+ break;
+ }
+ case '.' | TYPE_IS_SHRIEKING:
+ case '.': {
+ const char *from;
+ SV *sv;
+ const bool u8 = utf8 && !(datumtype & TYPE_IS_SHRIEKING);
+ if (howlen == e_star) from = strbeg;
+ else if (len <= 0) from = s;
+ else {
+ tempsym_t *group = symptr;
+
+ while (--len && group) group = group->previous;
+ from = group ? strbeg + group->strbeg : strbeg;
+ }
+ sv = from <= s ?
+ newSVuv( u8 ? (UV) utf8_length((const U8*)from, (const U8*)s) : (UV) (s-from)) :
+ newSViv(-(u8 ? (IV) utf8_length((const U8*)s, (const U8*)from) : (IV) (from-s)));
+ mXPUSHs(sv);
+ break;
+ }
+ case '@' | TYPE_IS_SHRIEKING:
+ case '@':
+ s = strbeg + symptr->strbeg;
+ if (utf8 && !(datumtype & TYPE_IS_SHRIEKING))
+ {
+ while (len > 0) {
+ if (s >= strend)
+ Perl_croak(aTHX_ "'@' outside of string in unpack");
+ s += UTF8SKIP(s);
+ len--;
+ }
+ if (s > strend)
+ Perl_croak(aTHX_ "'@' outside of string with malformed UTF-8 in unpack");
+ } else {
+ if (strend-s < len)
+ Perl_croak(aTHX_ "'@' outside of string in unpack");
+ s += len;
+ }
+ break;
+ case 'X' | TYPE_IS_SHRIEKING:
+ if (!len) /* Avoid division by 0 */
+ len = 1;
+ if (utf8) {
+ const char *hop, *last;
+ SSize_t l = len;
+ hop = last = strbeg;
+ while (hop < s) {
+ hop += UTF8SKIP(hop);
+ if (--l == 0) {
+ last = hop;
+ l = len;
+ }
+ }
+ if (last > s)
+ Perl_croak(aTHX_ "Malformed UTF-8 string in unpack");
+ s = last;
+ break;
+ }
+ len = (s - strbeg) % len;
+ /* FALLTHROUGH */
+ case 'X':
+ if (utf8) {
+ while (len > 0) {
+ if (s <= strbeg)
+ Perl_croak(aTHX_ "'X' outside of string in unpack");
+ while (--s, UTF8_IS_CONTINUATION(*s)) {
+ if (s <= strbeg)
+ Perl_croak(aTHX_ "'X' outside of string in unpack");
+ }
+ len--;
+ }
+ } else {
+ if (len > s - strbeg)
+ Perl_croak(aTHX_ "'X' outside of string in unpack" );
+ s -= len;
+ }
+ break;
+ case 'x' | TYPE_IS_SHRIEKING: {
SSize_t ai32;
- if (!len) /* Avoid division by 0 */
- len = 1;
- if (utf8) ai32 = utf8_length((U8 *) strbeg, (U8 *) s) % len;
- else ai32 = (s - strbeg) % len;
- if (ai32 == 0) break;
- len -= ai32;
- }
- /* FALLTHROUGH */
- case 'x':
- if (utf8) {
- while (len>0) {
- if (s >= strend)
- Perl_croak(aTHX_ "'x' outside of string in unpack");
- s += UTF8SKIP(s);
- len--;
- }
- } else {
- if (len > strend - s)
- Perl_croak(aTHX_ "'x' outside of string in unpack");
- s += len;
- }
- break;
- case '/':
- Perl_croak(aTHX_ "'/' must follow a numeric type in unpack");
-
- case 'A':
- case 'Z':
- case 'a':
- if (checksum) {
- /* Preliminary length estimate is assumed done in 'W' */
- if (len > strend - s) len = strend - s;
- goto W_checksum;
- }
- if (utf8) {
- SSize_t l;
- const char *hop;
- for (l=len, hop=s; l>0; l--, hop += UTF8SKIP(hop)) {
- if (hop >= strend) {
- if (hop > strend)
- Perl_croak(aTHX_ "Malformed UTF-8 string in unpack");
- break;
- }
- }
- if (hop > strend)
- Perl_croak(aTHX_ "Malformed UTF-8 string in unpack");
- len = hop - s;
- } else if (len > strend - s)
- len = strend - s;
-
- if (datumtype == 'Z') {
- /* 'Z' strips stuff after first null */
- const char *ptr, *end;
- end = s + len;
- for (ptr = s; ptr < end; ptr++) if (*ptr == 0) break;
- sv = newSVpvn(s, ptr-s);
- if (howlen == e_star) /* exact for 'Z*' */
- len = ptr-s + (ptr != strend ? 1 : 0);
- } else if (datumtype == 'A') {
- /* 'A' strips both nulls and spaces */
- const char *ptr;
- if (utf8 && (symptr->flags & FLAG_WAS_UTF8)) {
+ if (!len) /* Avoid division by 0 */
+ len = 1;
+ if (utf8) ai32 = utf8_length((U8 *) strbeg, (U8 *) s) % len;
+ else ai32 = (s - strbeg) % len;
+ if (ai32 == 0) break;
+ len -= ai32;
+ }
+ /* FALLTHROUGH */
+ case 'x':
+ if (utf8) {
+ while (len>0) {
+ if (s >= strend)
+ Perl_croak(aTHX_ "'x' outside of string in unpack");
+ s += UTF8SKIP(s);
+ len--;
+ }
+ } else {
+ if (len > strend - s)
+ Perl_croak(aTHX_ "'x' outside of string in unpack");
+ s += len;
+ }
+ break;
+ case '/':
+ Perl_croak(aTHX_ "'/' must follow a numeric type in unpack");
+
+ case 'A':
+ case 'Z':
+ case 'a':
+ if (checksum) {
+ /* Preliminary length estimate is assumed done in 'W' */
+ if (len > strend - s) len = strend - s;
+ goto W_checksum;
+ }
+ if (utf8) {
+ SSize_t l;
+ const char *hop;
+ for (l=len, hop=s; l>0; l--, hop += UTF8SKIP(hop)) {
+ if (hop >= strend) {
+ if (hop > strend)
+ Perl_croak(aTHX_ "Malformed UTF-8 string in unpack");
+ break;
+ }
+ }
+ if (hop > strend)
+ Perl_croak(aTHX_ "Malformed UTF-8 string in unpack");
+ len = hop - s;
+ } else if (len > strend - s)
+ len = strend - s;
+
+ if (datumtype == 'Z') {
+ /* 'Z' strips stuff after first null */
+ const char *ptr, *end;
+ end = s + len;
+ for (ptr = s; ptr < end; ptr++) if (*ptr == 0) break;
+ sv = newSVpvn(s, ptr-s);
+ if (howlen == e_star) /* exact for 'Z*' */
+ len = ptr-s + (ptr != strend ? 1 : 0);
+ } else if (datumtype == 'A') {
+ /* 'A' strips both nulls and spaces */
+ const char *ptr;
+ if (utf8 && (symptr->flags & FLAG_WAS_UTF8)) {
for (ptr = s+len-1; ptr >= s; ptr--) {
if ( *ptr != 0
&& !UTF8_IS_CONTINUATION(*ptr)
break;
}
}
- if (ptr >= s) ptr += UTF8SKIP(ptr);
- else ptr++;
- if (ptr > s+len)
- Perl_croak(aTHX_ "Malformed UTF-8 string in unpack");
- } else {
- for (ptr = s+len-1; ptr >= s; ptr--)
- if (*ptr != 0 && !isSPACE(*ptr)) break;
- ptr++;
- }
- sv = newSVpvn(s, ptr-s);
- } else sv = newSVpvn(s, len);
-
- if (utf8) {
- SvUTF8_on(sv);
- /* Undo any upgrade done due to need_utf8() */
- if (!(symptr->flags & FLAG_WAS_UTF8))
- sv_utf8_downgrade(sv, 0);
- }
- mXPUSHs(sv);
- s += len;
- break;
- case 'B':
- case 'b': {
- char *str;
- if (howlen == e_star || len > (strend - s) * 8)
- len = (strend - s) * 8;
- if (checksum) {
- if (utf8)
- while (len >= 8 && s < strend) {
- cuv += PL_bitcount[utf8_to_byte(aTHX_ &s, strend, datumtype)];
- len -= 8;
- }
- else
- while (len >= 8) {
- cuv += PL_bitcount[*(U8 *)s++];
- len -= 8;
- }
- if (len && s < strend) {
- U8 bits;
- bits = SHIFT_BYTE(utf8, s, strend, datumtype);
- if (datumtype == 'b')
- while (len-- > 0) {
- if (bits & 1) cuv++;
- bits >>= 1;
- }
- else
- while (len-- > 0) {
- if (bits & 0x80) cuv++;
- bits <<= 1;
- }
- }
- break;
- }
-
- sv = sv_2mortal(newSV(len ? len : 1));
- SvPOK_on(sv);
- str = SvPVX(sv);
- if (datumtype == 'b') {
- U8 bits = 0;
- const SSize_t ai32 = len;
- for (len = 0; len < ai32; len++) {
- if (len & 7) bits >>= 1;
- else if (utf8) {
- if (s >= strend) break;
- bits = utf8_to_byte(aTHX_ &s, strend, datumtype);
- } else bits = *(U8 *) s++;
- *str++ = bits & 1 ? '1' : '0';
- }
- } else {
- U8 bits = 0;
- const SSize_t ai32 = len;
- for (len = 0; len < ai32; len++) {
- if (len & 7) bits <<= 1;
- else if (utf8) {
- if (s >= strend) break;
- bits = utf8_to_byte(aTHX_ &s, strend, datumtype);
- } else bits = *(U8 *) s++;
- *str++ = bits & 0x80 ? '1' : '0';
- }
- }
- *str = '\0';
- SvCUR_set(sv, str - SvPVX_const(sv));
- XPUSHs(sv);
- break;
- }
- case 'H':
- case 'h': {
- char *str = NULL;
- /* Preliminary length estimate, acceptable for utf8 too */
- if (howlen == e_star || len > (strend - s) * 2)
- len = (strend - s) * 2;
- if (!checksum) {
- sv = sv_2mortal(newSV(len ? len : 1));
- SvPOK_on(sv);
- str = SvPVX(sv);
- }
- if (datumtype == 'h') {
- U8 bits = 0;
- SSize_t ai32 = len;
- for (len = 0; len < ai32; len++) {
- if (len & 1) bits >>= 4;
- else if (utf8) {
- if (s >= strend) break;
- bits = utf8_to_byte(aTHX_ &s, strend, datumtype);
- } else bits = * (U8 *) s++;
- if (!checksum)
- *str++ = PL_hexdigit[bits & 15];
- }
- } else {
- U8 bits = 0;
- const SSize_t ai32 = len;
- for (len = 0; len < ai32; len++) {
- if (len & 1) bits <<= 4;
- else if (utf8) {
- if (s >= strend) break;
- bits = utf8_to_byte(aTHX_ &s, strend, datumtype);
- } else bits = *(U8 *) s++;
- if (!checksum)
- *str++ = PL_hexdigit[(bits >> 4) & 15];
- }
- }
- if (!checksum) {
- *str = '\0';
- SvCUR_set(sv, str - SvPVX_const(sv));
- XPUSHs(sv);
- }
- break;
- }
- case 'C':
+ if (ptr >= s) ptr += UTF8SKIP(ptr);
+ else ptr++;
+ if (ptr > s+len)
+ Perl_croak(aTHX_ "Malformed UTF-8 string in unpack");
+ } else {
+ for (ptr = s+len-1; ptr >= s; ptr--)
+ if (*ptr != 0 && !isSPACE(*ptr)) break;
+ ptr++;
+ }
+ sv = newSVpvn(s, ptr-s);
+ } else sv = newSVpvn(s, len);
+
+ if (utf8) {
+ SvUTF8_on(sv);
+ /* Undo any upgrade done due to need_utf8() */
+ if (!(symptr->flags & FLAG_WAS_UTF8))
+ sv_utf8_downgrade(sv, 0);
+ }
+ mXPUSHs(sv);
+ s += len;
+ break;
+ case 'B':
+ case 'b': {
+ char *str;
+ if (howlen == e_star || len > (strend - s) * 8)
+ len = (strend - s) * 8;
+ if (checksum) {
+ if (utf8)
+ while (len >= 8 && s < strend) {
+ cuv += PL_bitcount[utf8_to_byte(aTHX_ &s, strend, datumtype)];
+ len -= 8;
+ }
+ else
+ while (len >= 8) {
+ cuv += PL_bitcount[*(U8 *)s++];
+ len -= 8;
+ }
+ if (len && s < strend) {
+ U8 bits;
+ bits = SHIFT_BYTE(utf8, s, strend, datumtype);
+ if (datumtype == 'b')
+ while (len-- > 0) {
+ if (bits & 1) cuv++;
+ bits >>= 1;
+ }
+ else
+ while (len-- > 0) {
+ if (bits & 0x80) cuv++;
+ bits <<= 1;
+ }
+ }
+ break;
+ }
+
+ sv = sv_2mortal(newSV(len ? len : 1));
+ SvPOK_on(sv);
+ str = SvPVX(sv);
+ if (datumtype == 'b') {
+ U8 bits = 0;
+ const SSize_t ai32 = len;
+ for (len = 0; len < ai32; len++) {
+ if (len & 7) bits >>= 1;
+ else if (utf8) {
+ if (s >= strend) break;
+ bits = utf8_to_byte(aTHX_ &s, strend, datumtype);
+ } else bits = *(U8 *) s++;
+ *str++ = bits & 1 ? '1' : '0';
+ }
+ } else {
+ U8 bits = 0;
+ const SSize_t ai32 = len;
+ for (len = 0; len < ai32; len++) {
+ if (len & 7) bits <<= 1;
+ else if (utf8) {
+ if (s >= strend) break;
+ bits = utf8_to_byte(aTHX_ &s, strend, datumtype);
+ } else bits = *(U8 *) s++;
+ *str++ = bits & 0x80 ? '1' : '0';
+ }
+ }
+ *str = '\0';
+ SvCUR_set(sv, str - SvPVX_const(sv));
+ XPUSHs(sv);
+ break;
+ }
+ case 'H':
+ case 'h': {
+ char *str = NULL;
+ /* Preliminary length estimate, acceptable for utf8 too */
+ if (howlen == e_star || len > (strend - s) * 2)
+ len = (strend - s) * 2;
+ if (!checksum) {
+ sv = sv_2mortal(newSV(len ? len : 1));
+ SvPOK_on(sv);
+ str = SvPVX(sv);
+ }
+ if (datumtype == 'h') {
+ U8 bits = 0;
+ SSize_t ai32 = len;
+ for (len = 0; len < ai32; len++) {
+ if (len & 1) bits >>= 4;
+ else if (utf8) {
+ if (s >= strend) break;
+ bits = utf8_to_byte(aTHX_ &s, strend, datumtype);
+ } else bits = * (U8 *) s++;
+ if (!checksum)
+ *str++ = PL_hexdigit[bits & 15];
+ }
+ } else {
+ U8 bits = 0;
+ const SSize_t ai32 = len;
+ for (len = 0; len < ai32; len++) {
+ if (len & 1) bits <<= 4;
+ else if (utf8) {
+ if (s >= strend) break;
+ bits = utf8_to_byte(aTHX_ &s, strend, datumtype);
+ } else bits = *(U8 *) s++;
+ if (!checksum)
+ *str++ = PL_hexdigit[(bits >> 4) & 15];
+ }
+ }
+ if (!checksum) {
+ *str = '\0';
+ SvCUR_set(sv, str - SvPVX_const(sv));
+ XPUSHs(sv);
+ }
+ break;
+ }
+ case 'C':
if (len == 0) {
if (explicit_length)
- /* Switch to "character" mode */
- utf8 = (symptr->flags & FLAG_DO_UTF8) ? 1 : 0;
- break;
- }
- /* FALLTHROUGH */
- case 'c':
- while (len-- > 0 && s < strend) {
- int aint;
- if (utf8)
- {
- STRLEN retlen;
- aint = utf8n_to_uvchr((U8 *) s, strend-s, &retlen,
- ckWARN(WARN_UTF8) ? 0 : UTF8_ALLOW_ANY);
- if (retlen == (STRLEN) -1)
- Perl_croak(aTHX_ "Malformed UTF-8 string in unpack");
- s += retlen;
- }
- else
- aint = *(U8 *)(s)++;
- if (aint >= 128 && datumtype != 'C') /* fake up signed chars */
- aint -= 256;
- if (!checksum)
- mPUSHi(aint);
- else if (checksum > bits_in_uv)
- cdouble += (NV)aint;
- else
- cuv += aint;
- }
- break;
- case 'W':
- W_checksum:
- if (utf8) {
- while (len-- > 0 && s < strend) {
- STRLEN retlen;
- const UV val = utf8n_to_uvchr((U8 *) s, strend-s, &retlen,
- ckWARN(WARN_UTF8) ? 0 : UTF8_ALLOW_ANY);
- if (retlen == (STRLEN) -1)
- Perl_croak(aTHX_ "Malformed UTF-8 string in unpack");
- s += retlen;
- if (!checksum)
- mPUSHu(val);
- else if (checksum > bits_in_uv)
- cdouble += (NV) val;
- else
- cuv += val;
- }
- } else if (!checksum)
- while (len-- > 0) {
- const U8 ch = *(U8 *) s++;
- mPUSHu(ch);
- }
- else if (checksum > bits_in_uv)
- while (len-- > 0) cdouble += (NV) *(U8 *) s++;
- else
- while (len-- > 0) cuv += *(U8 *) s++;
- break;
- case 'U':
- if (len == 0) {
+ /* Switch to "character" mode */
+ utf8 = (symptr->flags & FLAG_DO_UTF8) ? 1 : 0;
+ break;
+ }
+ /* FALLTHROUGH */
+ case 'c':
+ while (len-- > 0 && s < strend) {
+ int aint;
+ if (utf8)
+ {
+ STRLEN retlen;
+ aint = utf8n_to_uvchr((U8 *) s, strend-s, &retlen,
+ ckWARN(WARN_UTF8) ? 0 : UTF8_ALLOW_ANY);
+ if (retlen == (STRLEN) -1)
+ Perl_croak(aTHX_ "Malformed UTF-8 string in unpack");
+ s += retlen;
+ }
+ else
+ aint = *(U8 *)(s)++;
+ if (aint >= 128 && datumtype != 'C') /* fake up signed chars */
+ aint -= 256;
+ if (!checksum)
+ mPUSHi(aint);
+ else if (checksum > bits_in_uv)
+ cdouble += (NV)aint;
+ else
+ cuv += aint;
+ }
+ break;
+ case 'W':
+ W_checksum:
+ if (utf8) {
+ while (len-- > 0 && s < strend) {
+ STRLEN retlen;
+ const UV val = utf8n_to_uvchr((U8 *) s, strend-s, &retlen,
+ ckWARN(WARN_UTF8) ? 0 : UTF8_ALLOW_ANY);
+ if (retlen == (STRLEN) -1)
+ Perl_croak(aTHX_ "Malformed UTF-8 string in unpack");
+ s += retlen;
+ if (!checksum)
+ mPUSHu(val);
+ else if (checksum > bits_in_uv)
+ cdouble += (NV) val;
+ else
+ cuv += val;
+ }
+ } else if (!checksum)
+ while (len-- > 0) {
+ const U8 ch = *(U8 *) s++;
+ mPUSHu(ch);
+ }
+ else if (checksum > bits_in_uv)
+ while (len-- > 0) cdouble += (NV) *(U8 *) s++;
+ else
+ while (len-- > 0) cuv += *(U8 *) s++;
+ break;
+ case 'U':
+ if (len == 0) {
if (explicit_length && howlen != e_star) {
- /* Switch to "bytes in UTF-8" mode */
- if (symptr->flags & FLAG_DO_UTF8) utf8 = 0;
- else
- /* Should be impossible due to the need_utf8() test */
- Perl_croak(aTHX_ "U0 mode on a byte string");
- }
- break;
- }
- if (len > strend - s) len = strend - s;
- if (!checksum) {
- if (len && unpack_only_one) len = 1;
- EXTEND(SP, len);
- EXTEND_MORTAL(len);
- }
- while (len-- > 0 && s < strend) {
- STRLEN retlen;
- UV auv;
- if (utf8) {
- U8 result[UTF8_MAXLEN+1];
- const char *ptr = s;
- STRLEN len;
- /* Bug: warns about bad utf8 even if we are short on bytes
- and will break out of the loop */
- if (!S_utf8_to_bytes(aTHX_ &ptr, strend, (char *) result, 1,
- 'U'))
- break;
- len = UTF8SKIP(result);
- if (!S_utf8_to_bytes(aTHX_ &ptr, strend,
- (char *) &result[1], len-1, 'U')) break;
- auv = NATIVE_TO_UNI(utf8n_to_uvchr(result,
+ /* Switch to "bytes in UTF-8" mode */
+ if (symptr->flags & FLAG_DO_UTF8) utf8 = 0;
+ else
+ /* Should be impossible due to the need_utf8() test */
+ Perl_croak(aTHX_ "U0 mode on a byte string");
+ }
+ break;
+ }
+ if (len > strend - s) len = strend - s;
+ if (!checksum) {
+ if (len && unpack_only_one) len = 1;
+ EXTEND(SP, len);
+ EXTEND_MORTAL(len);
+ }
+ while (len-- > 0 && s < strend) {
+ STRLEN retlen;
+ UV auv;
+ if (utf8) {
+ U8 result[UTF8_MAXLEN+1];
+ const char *ptr = s;
+ STRLEN len;
+ /* Bug: warns about bad utf8 even if we are short on bytes
+ and will break out of the loop */
+ if (!S_utf8_to_bytes(aTHX_ &ptr, strend, (char *) result, 1,
+ 'U'))
+ break;
+ len = UTF8SKIP(result);
+ if (!S_utf8_to_bytes(aTHX_ &ptr, strend,
+ (char *) &result[1], len-1, 'U')) break;
+ auv = NATIVE_TO_UNI(utf8n_to_uvchr(result,
len,
&retlen,
UTF8_ALLOW_DEFAULT));
- s = ptr;
- } else {
- auv = NATIVE_TO_UNI(utf8n_to_uvchr((U8*)s,
+ s = ptr;
+ } else {
+ auv = NATIVE_TO_UNI(utf8n_to_uvchr((U8*)s,
strend - s,
&retlen,
UTF8_ALLOW_DEFAULT));
- if (retlen == (STRLEN) -1)
- Perl_croak(aTHX_ "Malformed UTF-8 string in unpack");
- s += retlen;
- }
- if (!checksum)
- mPUSHu(auv);
- else if (checksum > bits_in_uv)
- cdouble += (NV) auv;
- else
- cuv += auv;
- }
- break;
- case 's' | TYPE_IS_SHRIEKING:
+ if (retlen == (STRLEN) -1)
+ Perl_croak(aTHX_ "Malformed UTF-8 string in unpack");
+ s += retlen;
+ }
+ if (!checksum)
+ mPUSHu(auv);
+ else if (checksum > bits_in_uv)
+ cdouble += (NV) auv;
+ else
+ cuv += auv;
+ }
+ break;
+ case 's' | TYPE_IS_SHRIEKING:
#if SHORTSIZE != SIZE16
- while (len-- > 0) {
- short ashort;
+ while (len-- > 0) {
+ short ashort;
SHIFT_VAR(utf8, s, strend, ashort, datumtype, needs_swap);
- if (!checksum)
- mPUSHi(ashort);
- else if (checksum > bits_in_uv)
- cdouble += (NV)ashort;
- else
- cuv += ashort;
- }
- break;
+ if (!checksum)
+ mPUSHi(ashort);
+ else if (checksum > bits_in_uv)
+ cdouble += (NV)ashort;
+ else
+ cuv += ashort;
+ }
+ break;
#else
- /* FALLTHROUGH */
+ /* FALLTHROUGH */
#endif
- case 's':
- while (len-- > 0) {
- I16 ai16;
+ case 's':
+ while (len-- > 0) {
+ I16 ai16;
#if U16SIZE > SIZE16
- ai16 = 0;
+ ai16 = 0;
#endif
SHIFT16(utf8, s, strend, &ai16, datumtype, needs_swap);
#if U16SIZE > SIZE16
- if (ai16 > 32767)
- ai16 -= 65536;
+ if (ai16 > 32767)
+ ai16 -= 65536;
#endif
- if (!checksum)
- mPUSHi(ai16);
- else if (checksum > bits_in_uv)
- cdouble += (NV)ai16;
- else
- cuv += ai16;
- }
- break;
- case 'S' | TYPE_IS_SHRIEKING:
+ if (!checksum)
+ mPUSHi(ai16);
+ else if (checksum > bits_in_uv)
+ cdouble += (NV)ai16;
+ else
+ cuv += ai16;
+ }
+ break;
+ case 'S' | TYPE_IS_SHRIEKING:
#if SHORTSIZE != SIZE16
- while (len-- > 0) {
- unsigned short aushort;
- SHIFT_VAR(utf8, s, strend, aushort, datumtype, needs_swap);
- if (!checksum)
- mPUSHu(aushort);
- else if (checksum > bits_in_uv)
- cdouble += (NV)aushort;
- else
- cuv += aushort;
- }
- break;
+ while (len-- > 0) {
+ unsigned short aushort;
+ SHIFT_VAR(utf8, s, strend, aushort, datumtype, needs_swap);
+ if (!checksum)
+ mPUSHu(aushort);
+ else if (checksum > bits_in_uv)
+ cdouble += (NV)aushort;
+ else
+ cuv += aushort;
+ }
+ break;
#else
/* FALLTHROUGH */
#endif
- case 'v':
- case 'n':
- case 'S':
- while (len-- > 0) {
- U16 au16;
+ case 'v':
+ case 'n':
+ case 'S':
+ while (len-- > 0) {
+ U16 au16;
#if U16SIZE > SIZE16
- au16 = 0;
+ au16 = 0;
#endif
SHIFT16(utf8, s, strend, &au16, datumtype, needs_swap);
- if (datumtype == 'n')
- au16 = PerlSock_ntohs(au16);
- if (datumtype == 'v')
- au16 = vtohs(au16);
- if (!checksum)
- mPUSHu(au16);
- else if (checksum > bits_in_uv)
- cdouble += (NV) au16;
- else
- cuv += au16;
- }
- break;
- case 'v' | TYPE_IS_SHRIEKING:
- case 'n' | TYPE_IS_SHRIEKING:
- while (len-- > 0) {
- I16 ai16;
+ if (datumtype == 'n')
+ au16 = PerlSock_ntohs(au16);
+ if (datumtype == 'v')
+ au16 = vtohs(au16);
+ if (!checksum)
+ mPUSHu(au16);
+ else if (checksum > bits_in_uv)
+ cdouble += (NV) au16;
+ else
+ cuv += au16;
+ }
+ break;
+ case 'v' | TYPE_IS_SHRIEKING:
+ case 'n' | TYPE_IS_SHRIEKING:
+ while (len-- > 0) {
+ I16 ai16;
# if U16SIZE > SIZE16
- ai16 = 0;
+ ai16 = 0;
# endif
SHIFT16(utf8, s, strend, &ai16, datumtype, needs_swap);
/* There should never be any byte-swapping here. */
assert(!TYPE_ENDIANNESS(datumtype));
- if (datumtype == ('n' | TYPE_IS_SHRIEKING))
- ai16 = (I16) PerlSock_ntohs((U16) ai16);
- if (datumtype == ('v' | TYPE_IS_SHRIEKING))
- ai16 = (I16) vtohs((U16) ai16);
- if (!checksum)
- mPUSHi(ai16);
- else if (checksum > bits_in_uv)
- cdouble += (NV) ai16;
- else
- cuv += ai16;
- }
- break;
- case 'i':
- case 'i' | TYPE_IS_SHRIEKING:
- while (len-- > 0) {
- int aint;
+ if (datumtype == ('n' | TYPE_IS_SHRIEKING))
+ ai16 = (I16) PerlSock_ntohs((U16) ai16);
+ if (datumtype == ('v' | TYPE_IS_SHRIEKING))
+ ai16 = (I16) vtohs((U16) ai16);
+ if (!checksum)
+ mPUSHi(ai16);
+ else if (checksum > bits_in_uv)
+ cdouble += (NV) ai16;
+ else
+ cuv += ai16;
+ }
+ break;
+ case 'i':
+ case 'i' | TYPE_IS_SHRIEKING:
+ while (len-- > 0) {
+ int aint;
SHIFT_VAR(utf8, s, strend, aint, datumtype, needs_swap);
- if (!checksum)
- mPUSHi(aint);
- else if (checksum > bits_in_uv)
- cdouble += (NV)aint;
- else
- cuv += aint;
- }
- break;
- case 'I':
- case 'I' | TYPE_IS_SHRIEKING:
- while (len-- > 0) {
- unsigned int auint;
+ if (!checksum)
+ mPUSHi(aint);
+ else if (checksum > bits_in_uv)
+ cdouble += (NV)aint;
+ else
+ cuv += aint;
+ }
+ break;
+ case 'I':
+ case 'I' | TYPE_IS_SHRIEKING:
+ while (len-- > 0) {
+ unsigned int auint;
SHIFT_VAR(utf8, s, strend, auint, datumtype, needs_swap);
- if (!checksum)
- mPUSHu(auint);
- else if (checksum > bits_in_uv)
- cdouble += (NV)auint;
- else
- cuv += auint;
- }
- break;
- case 'j':
- while (len-- > 0) {
- IV aiv;
+ if (!checksum)
+ mPUSHu(auint);
+ else if (checksum > bits_in_uv)
+ cdouble += (NV)auint;
+ else
+ cuv += auint;
+ }
+ break;
+ case 'j':
+ while (len-- > 0) {
+ IV aiv;
SHIFT_VAR(utf8, s, strend, aiv, datumtype, needs_swap);
- if (!checksum)
- mPUSHi(aiv);
- else if (checksum > bits_in_uv)
- cdouble += (NV)aiv;
- else
- cuv += aiv;
- }
- break;
- case 'J':
- while (len-- > 0) {
- UV auv;
+ if (!checksum)
+ mPUSHi(aiv);
+ else if (checksum > bits_in_uv)
+ cdouble += (NV)aiv;
+ else
+ cuv += aiv;
+ }
+ break;
+ case 'J':
+ while (len-- > 0) {
+ UV auv;
SHIFT_VAR(utf8, s, strend, auv, datumtype, needs_swap);
- if (!checksum)
- mPUSHu(auv);
- else if (checksum > bits_in_uv)
- cdouble += (NV)auv;
- else
- cuv += auv;
- }
- break;
- case 'l' | TYPE_IS_SHRIEKING:
+ if (!checksum)
+ mPUSHu(auv);
+ else if (checksum > bits_in_uv)
+ cdouble += (NV)auv;
+ else
+ cuv += auv;
+ }
+ break;
+ case 'l' | TYPE_IS_SHRIEKING:
#if LONGSIZE != SIZE32
- while (len-- > 0) {
- long along;
+ while (len-- > 0) {
+ long along;
SHIFT_VAR(utf8, s, strend, along, datumtype, needs_swap);
- if (!checksum)
- mPUSHi(along);
- else if (checksum > bits_in_uv)
- cdouble += (NV)along;
- else
- cuv += along;
- }
- break;
+ if (!checksum)
+ mPUSHi(along);
+ else if (checksum > bits_in_uv)
+ cdouble += (NV)along;
+ else
+ cuv += along;
+ }
+ break;
#else
- /* FALLTHROUGH */
+ /* FALLTHROUGH */
#endif
- case 'l':
- while (len-- > 0) {
- I32 ai32;
+ case 'l':
+ while (len-- > 0) {
+ I32 ai32;
#if U32SIZE > SIZE32
- ai32 = 0;
+ ai32 = 0;
#endif
SHIFT32(utf8, s, strend, &ai32, datumtype, needs_swap);
#if U32SIZE > SIZE32
- if (ai32 > 2147483647) ai32 -= 4294967296;
+ if (ai32 > 2147483647) ai32 -= 4294967296;
#endif
- if (!checksum)
- mPUSHi(ai32);
- else if (checksum > bits_in_uv)
- cdouble += (NV)ai32;
- else
- cuv += ai32;
- }
- break;
- case 'L' | TYPE_IS_SHRIEKING:
+ if (!checksum)
+ mPUSHi(ai32);
+ else if (checksum > bits_in_uv)
+ cdouble += (NV)ai32;
+ else
+ cuv += ai32;
+ }
+ break;
+ case 'L' | TYPE_IS_SHRIEKING:
#if LONGSIZE != SIZE32
- while (len-- > 0) {
- unsigned long aulong;
+ while (len-- > 0) {
+ unsigned long aulong;
SHIFT_VAR(utf8, s, strend, aulong, datumtype, needs_swap);
- if (!checksum)
- mPUSHu(aulong);
- else if (checksum > bits_in_uv)
- cdouble += (NV)aulong;
- else
- cuv += aulong;
- }
- break;
+ if (!checksum)
+ mPUSHu(aulong);
+ else if (checksum > bits_in_uv)
+ cdouble += (NV)aulong;
+ else
+ cuv += aulong;
+ }
+ break;
#else
/* FALLTHROUGH */
#endif
- case 'V':
- case 'N':
- case 'L':
- while (len-- > 0) {
- U32 au32;
+ case 'V':
+ case 'N':
+ case 'L':
+ while (len-- > 0) {
+ U32 au32;
#if U32SIZE > SIZE32
- au32 = 0;
+ au32 = 0;
#endif
SHIFT32(utf8, s, strend, &au32, datumtype, needs_swap);
- if (datumtype == 'N')
- au32 = PerlSock_ntohl(au32);
- if (datumtype == 'V')
- au32 = vtohl(au32);
- if (!checksum)
- mPUSHu(au32);
- else if (checksum > bits_in_uv)
- cdouble += (NV)au32;
- else
- cuv += au32;
- }
- break;
- case 'V' | TYPE_IS_SHRIEKING:
- case 'N' | TYPE_IS_SHRIEKING:
- while (len-- > 0) {
- I32 ai32;
+ if (datumtype == 'N')
+ au32 = PerlSock_ntohl(au32);
+ if (datumtype == 'V')
+ au32 = vtohl(au32);
+ if (!checksum)
+ mPUSHu(au32);
+ else if (checksum > bits_in_uv)
+ cdouble += (NV)au32;
+ else
+ cuv += au32;
+ }
+ break;
+ case 'V' | TYPE_IS_SHRIEKING:
+ case 'N' | TYPE_IS_SHRIEKING:
+ while (len-- > 0) {
+ I32 ai32;
#if U32SIZE > SIZE32
- ai32 = 0;
+ ai32 = 0;
#endif
SHIFT32(utf8, s, strend, &ai32, datumtype, needs_swap);
/* There should never be any byte swapping here. */
assert(!TYPE_ENDIANNESS(datumtype));
- if (datumtype == ('N' | TYPE_IS_SHRIEKING))
- ai32 = (I32)PerlSock_ntohl((U32)ai32);
- if (datumtype == ('V' | TYPE_IS_SHRIEKING))
- ai32 = (I32)vtohl((U32)ai32);
- if (!checksum)
- mPUSHi(ai32);
- else if (checksum > bits_in_uv)
- cdouble += (NV)ai32;
- else
- cuv += ai32;
- }
- break;
- case 'p':
- while (len-- > 0) {
- const char *aptr;
+ if (datumtype == ('N' | TYPE_IS_SHRIEKING))
+ ai32 = (I32)PerlSock_ntohl((U32)ai32);
+ if (datumtype == ('V' | TYPE_IS_SHRIEKING))
+ ai32 = (I32)vtohl((U32)ai32);
+ if (!checksum)
+ mPUSHi(ai32);
+ else if (checksum > bits_in_uv)
+ cdouble += (NV)ai32;
+ else
+ cuv += ai32;
+ }
+ break;
+ case 'p':
+ while (len-- > 0) {
+ const char *aptr;
SHIFT_VAR(utf8, s, strend, aptr, datumtype, needs_swap);
- /* newSVpv generates undef if aptr is NULL */
- mPUSHs(newSVpv(aptr, 0));
- }
- break;
- case 'w':
- {
- UV auv = 0;
- size_t bytes = 0;
-
- while (len > 0 && s < strend) {
- U8 ch;
- ch = SHIFT_BYTE(utf8, s, strend, datumtype);
- auv = (auv << 7) | (ch & 0x7f);
+ /* newSVpv generates undef if aptr is NULL */
+ mPUSHs(newSVpv(aptr, 0));
+ }
+ break;
+ case 'w':
+ {
+ UV auv = 0;
+ size_t bytes = 0;
+
+ while (len > 0 && s < strend) {
+ U8 ch;
+ ch = SHIFT_BYTE(utf8, s, strend, datumtype);
+ auv = (auv << 7) | (ch & 0x7f);
/* UTF8_IS_XXXXX not right here because this is a BER, not
* UTF-8 format - using constant 0x80 */
- if (ch < 0x80) {
- bytes = 0;
- mPUSHu(auv);
- len--;
- auv = 0;
- continue;
- }
- if (++bytes >= sizeof(UV)) { /* promote to string */
- const char *t;
-
- sv = Perl_newSVpvf(aTHX_ "%.*" UVuf,
+ if (ch < 0x80) {
+ bytes = 0;
+ mPUSHu(auv);
+ len--;
+ auv = 0;
+ continue;
+ }
+ if (++bytes >= sizeof(UV)) { /* promote to string */
+ const char *t;
+
+ sv = Perl_newSVpvf(aTHX_ "%.*" UVuf,
(int)TYPE_DIGITS(UV), auv);
- while (s < strend) {
- ch = SHIFT_BYTE(utf8, s, strend, datumtype);
- sv = mul128(sv, (U8)(ch & 0x7f));
- if (!(ch & 0x80)) {
- bytes = 0;
- break;
- }
- }
- t = SvPV_nolen_const(sv);
- while (*t == '0')
- t++;
- sv_chop(sv, t);
- mPUSHs(sv);
- len--;
- auv = 0;
- }
- }
- if ((s >= strend) && bytes)
- Perl_croak(aTHX_ "Unterminated compressed integer in unpack");
- }
- break;
- case 'P':
- if (symptr->howlen == e_star)
- Perl_croak(aTHX_ "'P' must have an explicit size in unpack");
- EXTEND(SP, 1);
- if (s + sizeof(char*) <= strend) {
- char *aptr;
+ while (s < strend) {
+ ch = SHIFT_BYTE(utf8, s, strend, datumtype);
+ sv = mul128(sv, (U8)(ch & 0x7f));
+ if (!(ch & 0x80)) {
+ bytes = 0;
+ break;
+ }
+ }
+ t = SvPV_nolen_const(sv);
+ while (*t == '0')
+ t++;
+ sv_chop(sv, t);
+ mPUSHs(sv);
+ len--;
+ auv = 0;
+ }
+ }
+ if ((s >= strend) && bytes)
+ Perl_croak(aTHX_ "Unterminated compressed integer in unpack");
+ }
+ break;
+ case 'P':
+ if (symptr->howlen == e_star)
+ Perl_croak(aTHX_ "'P' must have an explicit size in unpack");
+ EXTEND(SP, 1);
+ if (s + sizeof(char*) <= strend) {
+ char *aptr;
SHIFT_VAR(utf8, s, strend, aptr, datumtype, needs_swap);
- /* newSVpvn generates undef if aptr is NULL */
- PUSHs(newSVpvn_flags(aptr, len, SVs_TEMP));
- }
- break;
+ /* newSVpvn generates undef if aptr is NULL */
+ PUSHs(newSVpvn_flags(aptr, len, SVs_TEMP));
+ }
+ break;
#if defined(HAS_QUAD) && IVSIZE >= 8
- case 'q':
- while (len-- > 0) {
- Quad_t aquad;
+ case 'q':
+ while (len-- > 0) {
+ Quad_t aquad;
SHIFT_VAR(utf8, s, strend, aquad, datumtype, needs_swap);
- if (!checksum)
+ if (!checksum)
mPUSHs(newSViv((IV)aquad));
- else if (checksum > bits_in_uv)
- cdouble += (NV)aquad;
- else
- cuv += aquad;
- }
- break;
- case 'Q':
- while (len-- > 0) {
- Uquad_t auquad;
+ else if (checksum > bits_in_uv)
+ cdouble += (NV)aquad;
+ else
+ cuv += aquad;
+ }
+ break;
+ case 'Q':
+ while (len-- > 0) {
+ Uquad_t auquad;
SHIFT_VAR(utf8, s, strend, auquad, datumtype, needs_swap);
- if (!checksum)
- mPUSHs(newSVuv((UV)auquad));
- else if (checksum > bits_in_uv)
- cdouble += (NV)auquad;
- else
- cuv += auquad;
- }
- break;
+ if (!checksum)
+ mPUSHs(newSVuv((UV)auquad));
+ else if (checksum > bits_in_uv)
+ cdouble += (NV)auquad;
+ else
+ cuv += auquad;
+ }
+ break;
#endif
- /* float and double added gnb@melba.bby.oz.au 22/11/89 */
- case 'f':
- while (len-- > 0) {
- float afloat;
+ /* float and double added gnb@melba.bby.oz.au 22/11/89 */
+ case 'f':
+ while (len-- > 0) {
+ float afloat;
SHIFT_VAR(utf8, s, strend, afloat, datumtype, needs_swap);
- if (!checksum)
- mPUSHn(afloat);
- else
- cdouble += afloat;
- }
- break;
- case 'd':
- while (len-- > 0) {
- double adouble;
+ if (!checksum)
+ mPUSHn(afloat);
+ else
+ cdouble += afloat;
+ }
+ break;
+ case 'd':
+ while (len-- > 0) {
+ double adouble;
SHIFT_VAR(utf8, s, strend, adouble, datumtype, needs_swap);
- if (!checksum)
- mPUSHn(adouble);
- else
- cdouble += adouble;
- }
- break;
- case 'F':
- while (len-- > 0) {
- NV_bytes anv;
+ if (!checksum)
+ mPUSHn(adouble);
+ else
+ cdouble += adouble;
+ }
+ break;
+ case 'F':
+ while (len-- > 0) {
+ NV_bytes anv;
SHIFT_BYTES(utf8, s, strend, anv.bytes, sizeof(anv.bytes),
datumtype, needs_swap);
- if (!checksum)
- mPUSHn(anv.nv);
- else
- cdouble += anv.nv;
- }
- break;
+ if (!checksum)
+ mPUSHn(anv.nv);
+ else
+ cdouble += anv.nv;
+ }
+ break;
#if defined(HAS_LONG_DOUBLE) && defined(USE_LONG_DOUBLE)
- case 'D':
- while (len-- > 0) {
- ld_bytes aldouble;
+ case 'D':
+ while (len-- > 0) {
+ ld_bytes aldouble;
SHIFT_BYTES(utf8, s, strend, aldouble.bytes,
sizeof(aldouble.bytes), datumtype, needs_swap);
/* The most common long double format, the x86 80-bit
* Note that trying to unpack 'long doubles' of 'long
* doubles' packed in another system is in the general
* case doomed without having more detail. */
- if (!checksum)
- mPUSHn(aldouble.ld);
- else
- cdouble += aldouble.ld;
- }
- break;
+ if (!checksum)
+ mPUSHn(aldouble.ld);
+ else
+ cdouble += aldouble.ld;
+ }
+ break;
#endif
- case 'u':
- if (!checksum) {
+ case 'u':
+ if (!checksum) {
const STRLEN l = (STRLEN) (strend - s) * 3 / 4;
- sv = sv_2mortal(newSV(l));
- if (l) {
+ sv = sv_2mortal(newSV(l));
+ if (l) {
SvPOK_on(sv);
*SvEND(sv) = '\0';
}
- }
+ }
/* Note that all legal uuencoded strings are ASCII printables, so
* have the same representation under UTF-8 vs not. This means we
if (s + 1 < strend && s[1] == '\n')
s += 2;
}
- if (!checksum)
- XPUSHs(sv);
- break;
- } /* End of switch */
+ if (!checksum)
+ XPUSHs(sv);
+ break;
+ } /* End of switch */
- if (checksum) {
- if (memCHRs("fFdD", TYPE_NO_MODIFIERS(datumtype)) ||
- (checksum > bits_in_uv &&
- memCHRs("cCsSiIlLnNUWvVqQjJ", TYPE_NO_MODIFIERS(datumtype))) ) {
- NV trouble, anv;
+ if (checksum) {
+ if (memCHRs("fFdD", TYPE_NO_MODIFIERS(datumtype)) ||
+ (checksum > bits_in_uv &&
+ memCHRs("cCsSiIlLnNUWvVqQjJ", TYPE_NO_MODIFIERS(datumtype))) ) {
+ NV trouble, anv;
anv = (NV) (1 << (checksum & 15));
- while (checksum >= 16) {
- checksum -= 16;
- anv *= 65536.0;
- }
- while (cdouble < 0.0)
- cdouble += anv;
- cdouble = Perl_modf(cdouble / anv, &trouble);
+ while (checksum >= 16) {
+ checksum -= 16;
+ anv *= 65536.0;
+ }
+ while (cdouble < 0.0)
+ cdouble += anv;
+ cdouble = Perl_modf(cdouble / anv, &trouble);
#ifdef LONGDOUBLE_DOUBLEDOUBLE
/* Workaround for powerpc doubledouble modfl bug:
* close to 1.0L and -1.0L cdouble is 0, and trouble
}
#endif
cdouble *= anv;
- sv = newSVnv(cdouble);
- }
- else {
- if (checksum < bits_in_uv) {
- UV mask = nBIT_MASK(checksum);
- cuv &= mask;
- }
- sv = newSVuv(cuv);
- }
- mXPUSHs(sv);
- checksum = 0;
- }
+ sv = newSVnv(cdouble);
+ }
+ else {
+ if (checksum < bits_in_uv) {
+ UV mask = nBIT_MASK(checksum);
+ cuv &= mask;
+ }
+ sv = newSVuv(cuv);
+ }
+ mXPUSHs(sv);
+ checksum = 0;
+ }
if (symptr->flags & FLAG_SLASH){
if (SP - PL_stack_base - start_sp_offset <= 0)
- break;
+ break;
if( next_symbol(symptr) ){
if( symptr->howlen == e_number )
- Perl_croak(aTHX_ "Count after length/code in unpack" );
+ Perl_croak(aTHX_ "Count after length/code in unpack" );
if( beyond ){
- /* ...end of char buffer then no decent length available */
- Perl_croak(aTHX_ "length/code after end of string in unpack" );
+ /* ...end of char buffer then no decent length available */
+ Perl_croak(aTHX_ "length/code after end of string in unpack" );
} else {
- /* take top of stack (hope it's numeric) */
+ /* take top of stack (hope it's numeric) */
len = POPi;
if( len < 0 )
Perl_croak(aTHX_ "Negative '/' count in unpack" );
}
} else {
- Perl_croak(aTHX_ "Code missing after '/' in unpack" );
+ Perl_croak(aTHX_ "Code missing after '/' in unpack" );
}
datumtype = symptr->code;
explicit_length = FALSE;
- goto redo_switch;
+ goto redo_switch;
}
}
if (new_s)
- *new_s = s;
+ *new_s = s;
PUTBACK;
return SP - PL_stack_base - start_sp_offset;
}
PUTBACK;
cnt = unpackstring(pat, patend, s, strend,
- ((gimme == G_SCALAR) ? FLAG_UNPACK_ONLY_ONE : 0)
- | (DO_UTF8(right) ? FLAG_DO_UTF8 : 0));
+ ((gimme == G_SCALAR) ? FLAG_UNPACK_ONLY_ONE : 0)
+ | (DO_UTF8(right) ? FLAG_DO_UTF8 : 0));
SPAGAIN;
if ( !cnt && gimme == G_SCALAR )
{
*h++ = PL_uuemap[len];
while (len > 2) {
- *h++ = PL_uuemap[(077 & (s[0] >> 2))];
- *h++ = PL_uuemap[(077 & (((s[0] << 4) & 060) | ((s[1] >> 4) & 017)))];
- *h++ = PL_uuemap[(077 & (((s[1] << 2) & 074) | ((s[2] >> 6) & 03)))];
- *h++ = PL_uuemap[(077 & (s[2] & 077))];
- s += 3;
- len -= 3;
+ *h++ = PL_uuemap[(077 & (s[0] >> 2))];
+ *h++ = PL_uuemap[(077 & (((s[0] << 4) & 060) | ((s[1] >> 4) & 017)))];
+ *h++ = PL_uuemap[(077 & (((s[1] << 2) & 074) | ((s[2] >> 6) & 03)))];
+ *h++ = PL_uuemap[(077 & (s[2] & 077))];
+ s += 3;
+ len -= 3;
}
if (len > 0) {
const U8 r = (len > 1 ? s[1] : '\0');
- *h++ = PL_uuemap[(077 & (s[0] >> 2))];
- *h++ = PL_uuemap[(077 & (((s[0] << 4) & 060) | ((r >> 4) & 017)))];
- *h++ = PL_uuemap[(077 & ((r << 2) & 074))];
- *h++ = PL_uuemap[0];
+ *h++ = PL_uuemap[(077 & (s[0] >> 2))];
+ *h++ = PL_uuemap[(077 & (((s[0] << 4) & 060) | ((r >> 4) & 017)))];
+ *h++ = PL_uuemap[(077 & ((r << 2) & 074))];
+ *h++ = PL_uuemap[0];
}
*h++ = '\n';
return h;
break;
case '+':
if (!skip) {
- SvREFCNT_dec(result);
- return (NULL);
+ SvREFCNT_dec(result);
+ return (NULL);
}
break;
case '0':
case '9':
skip = 0;
if (!ignore) {
- *(out++) = *s;
+ *(out++) = *s;
}
break;
case '.':
*done = 1;
while (*t) {
- const int i = m * 10 + (*t - '0');
- const int r = (i >> 7); /* r < 10 */
- m = i & 0x7F;
- if (r) {
- *done = 0;
- }
- *(t++) = '0' + r;
+ const int i = m * 10 + (*t - '0');
+ const int r = (i >> 7); /* r < 10 */
+ m = i & 0x7F;
+ if (r) {
+ *done = 0;
+ }
+ *(t++) = '0' + r;
}
*(t++) = '\0';
SvCUR_set(pnum, (STRLEN) (t - s));
Also make sure any UTF8 flag is loaded */
SvPV_force_nolen(cat);
if (DO_UTF8(cat))
- sym.flags |= FLAG_PARSE_UTF8 | FLAG_DO_UTF8;
+ sym.flags |= FLAG_PARSE_UTF8 | FLAG_DO_UTF8;
(void)pack_rec( cat, &sym, beglist, endlist );
}
from_start = SvPVX_const(sv);
from_end = from_start + SvCUR(sv);
for (from_ptr = from_start; from_ptr < from_end; from_ptr++)
- if (!NATIVE_BYTE_IS_INVARIANT(*from_ptr)) break;
+ if (!NATIVE_BYTE_IS_INVARIANT(*from_ptr)) break;
if (from_ptr == from_end) {
- /* Simple case: no character needs to be changed */
- SvUTF8_on(sv);
- return;
+ /* Simple case: no character needs to be changed */
+ SvUTF8_on(sv);
+ return;
}
len = (from_end-from_ptr)*UTF8_EXPAND+(from_ptr-from_start)+1;
Newx(marks, sym_ptr->level+2, const char *);
for (group=sym_ptr; group; group = group->previous)
- marks[group->level] = from_start + group->strbeg;
+ marks[group->level] = from_start + group->strbeg;
marks[sym_ptr->level+1] = from_end+1;
for (m = marks; *m < from_ptr; m++)
- *m = to_start + (*m-from_start);
+ *m = to_start + (*m-from_start);
for (;from_ptr < from_end; from_ptr++) {
- while (*m == from_ptr) *m++ = to_ptr;
- to_ptr = (char *) uvchr_to_utf8((U8 *) to_ptr, *(U8 *) from_ptr);
+ while (*m == from_ptr) *m++ = to_ptr;
+ to_ptr = (char *) uvchr_to_utf8((U8 *) to_ptr, *(U8 *) from_ptr);
}
*to_ptr = 0;
while (*m == from_ptr) *m++ = to_ptr;
if (m != marks + sym_ptr->level+1) {
- Safefree(marks);
- Safefree(to_start);
- Perl_croak(aTHX_ "panic: marks beyond string end, m=%p, marks=%p, "
- "level=%d", m, marks, sym_ptr->level);
+ Safefree(marks);
+ Safefree(to_start);
+ Perl_croak(aTHX_ "panic: marks beyond string end, m=%p, marks=%p, "
+ "level=%d", m, marks, sym_ptr->level);
}
for (group=sym_ptr; group; group = group->previous)
- group->strbeg = marks[group->level] - to_start;
+ group->strbeg = marks[group->level] - to_start;
Safefree(marks);
if (SvOOK(sv)) {
- if (SvIVX(sv)) {
- SvLEN_set(sv, SvLEN(sv) + SvIVX(sv));
- from_start -= SvIVX(sv);
- SvIV_set(sv, 0);
- }
- SvFLAGS(sv) &= ~SVf_OOK;
+ if (SvIVX(sv)) {
+ SvLEN_set(sv, SvLEN(sv) + SvIVX(sv));
+ from_start -= SvIVX(sv);
+ SvIV_set(sv, 0);
+ }
+ SvFLAGS(sv) &= ~SVf_OOK;
}
if (SvLEN(sv) != 0)
- Safefree(from_start);
+ Safefree(from_start);
SvPV_set(sv, to_start);
SvCUR_set(sv, to_ptr - to_start);
SvLEN_set(sv, len);
{
SvGETMAGIC(sv);
if (UNLIKELY(SvAMAGIC(sv)))
- sv = sv_2num(sv);
+ sv = sv_2num(sv);
if (UNLIKELY(isinfnansv(sv))) {
- const I32 c = TYPE_NO_MODIFIERS(datumtype);
- const NV nv = SvNV_nomg(sv);
- if (c == 'w')
- Perl_croak(aTHX_ "Cannot compress %" NVgf " in pack", nv);
- else
- Perl_croak(aTHX_ "Cannot pack %" NVgf " with '%c'", nv, (int) c);
+ const I32 c = TYPE_NO_MODIFIERS(datumtype);
+ const NV nv = SvNV_nomg(sv);
+ if (c == 'w')
+ Perl_croak(aTHX_ "Cannot compress %" NVgf " in pack", nv);
+ else
+ Perl_croak(aTHX_ "Cannot pack %" NVgf " with '%c'", nv, (int) c);
}
return sv;
}
#define SvIV_no_inf(sv,d) \
- ((sv) = S_sv_check_infnan(aTHX_ sv,d), SvIV_nomg(sv))
+ ((sv) = S_sv_check_infnan(aTHX_ sv,d), SvIV_nomg(sv))
#define SvUV_no_inf(sv,d) \
- ((sv) = S_sv_check_infnan(aTHX_ sv,d), SvUV_nomg(sv))
+ ((sv) = S_sv_check_infnan(aTHX_ sv,d), SvUV_nomg(sv))
STATIC
SV **
PERL_ARGS_ASSERT_PACK_REC;
if (symptr->level == 0 && found && symptr->code == 'U') {
- marked_upgrade(aTHX_ cat, symptr);
- symptr->flags |= FLAG_DO_UTF8;
- utf8 = 0;
+ marked_upgrade(aTHX_ cat, symptr);
+ symptr->flags |= FLAG_DO_UTF8;
+ utf8 = 0;
}
symptr->strbeg = SvCUR(cat);
while (found) {
- SV *fromstr;
- STRLEN fromlen;
- SSize_t len;
- SV *lengthcode = NULL;
+ SV *fromstr;
+ STRLEN fromlen;
+ SSize_t len;
+ SV *lengthcode = NULL;
I32 datumtype = symptr->code;
howlen_t howlen = symptr->howlen;
- char *start = SvPVX(cat);
- char *cur = start + SvCUR(cat);
+ char *start = SvPVX(cat);
+ char *cur = start + SvCUR(cat);
bool needs_swap;
#define NEXTFROM (lengthcode ? lengthcode : items > 0 ? (--items, *beglist++) : &PL_sv_no)
#define PEEKFROM (lengthcode ? lengthcode : items > 0 ? *beglist : &PL_sv_no)
switch (howlen) {
- case e_star:
- len = memCHRs("@Xxu", TYPE_NO_MODIFIERS(datumtype)) ?
- 0 : items;
- break;
- default:
- /* e_no_len and e_number */
- len = symptr->length;
- break;
+ case e_star:
+ len = memCHRs("@Xxu", TYPE_NO_MODIFIERS(datumtype)) ?
+ 0 : items;
+ break;
+ default:
+ /* e_no_len and e_number */
+ len = symptr->length;
+ break;
}
- if (len) {
- packprops_t props = packprops[TYPE_NO_ENDIANNESS(datumtype)];
+ if (len) {
+ packprops_t props = packprops[TYPE_NO_ENDIANNESS(datumtype)];
- if (props && !(props & PACK_SIZE_UNPREDICTABLE)) {
- /* We can process this letter. */
- STRLEN size = props & PACK_SIZE_MASK;
- GROWING2(utf8, cat, start, cur, size, (STRLEN)len);
- }
+ if (props && !(props & PACK_SIZE_UNPREDICTABLE)) {
+ /* We can process this letter. */
+ STRLEN size = props & PACK_SIZE_MASK;
+ GROWING2(utf8, cat, start, cur, size, (STRLEN)len);
+ }
}
/* Look ahead for next symbol. Do we have code/code? */
lookahead = *symptr;
found = next_symbol(&lookahead);
- if (symptr->flags & FLAG_SLASH) {
- IV count;
- if (!found) Perl_croak(aTHX_ "Code missing after '/' in pack");
- if (memCHRs("aAZ", lookahead.code)) {
- if (lookahead.howlen == e_number) count = lookahead.length;
- else {
- if (items > 0) {
- count = sv_len_utf8(*beglist);
- }
- else count = 0;
- if (lookahead.code == 'Z') count++;
- }
- } else {
- if (lookahead.howlen == e_number && lookahead.length < items)
- count = lookahead.length;
- else count = items;
- }
- lookahead.howlen = e_number;
- lookahead.length = count;
- lengthcode = sv_2mortal(newSViv(count));
- }
+ if (symptr->flags & FLAG_SLASH) {
+ IV count;
+ if (!found) Perl_croak(aTHX_ "Code missing after '/' in pack");
+ if (memCHRs("aAZ", lookahead.code)) {
+ if (lookahead.howlen == e_number) count = lookahead.length;
+ else {
+ if (items > 0) {
+ count = sv_len_utf8(*beglist);
+ }
+ else count = 0;
+ if (lookahead.code == 'Z') count++;
+ }
+ } else {
+ if (lookahead.howlen == e_number && lookahead.length < items)
+ count = lookahead.length;
+ else count = items;
+ }
+ lookahead.howlen = e_number;
+ lookahead.length = count;
+ lengthcode = sv_2mortal(newSViv(count));
+ }
needs_swap = NEEDS_SWAP(datumtype);
- /* Code inside the switch must take care to properly update
- cat (CUR length and '\0' termination) if it updated *cur and
- doesn't simply leave using break */
- switch (TYPE_NO_ENDIANNESS(datumtype)) {
- default:
- Perl_croak(aTHX_ "Invalid type '%c' in pack",
- (int) TYPE_NO_MODIFIERS(datumtype));
- case '%':
- Perl_croak(aTHX_ "'%%' may not be used in pack");
-
- case '.' | TYPE_IS_SHRIEKING:
- case '.':
- if (howlen == e_star) from = start;
- else if (len == 0) from = cur;
- else {
- tempsym_t *group = symptr;
-
- while (--len && group) group = group->previous;
- from = group ? start + group->strbeg : start;
- }
- fromstr = NEXTFROM;
- len = SvIV_no_inf(fromstr, datumtype);
- goto resize;
- case '@' | TYPE_IS_SHRIEKING:
- case '@':
- from = start + symptr->strbeg;
- resize:
- if (utf8 && !(datumtype & TYPE_IS_SHRIEKING))
- if (len >= 0) {
- while (len && from < cur) {
- from += UTF8SKIP(from);
- len--;
- }
- if (from > cur)
- Perl_croak(aTHX_ "Malformed UTF-8 string in pack");
- if (len) {
- /* Here we know from == cur */
- grow:
- GROWING(0, cat, start, cur, len);
- Zero(cur, len, char);
- cur += len;
- } else if (from < cur) {
- len = cur - from;
- goto shrink;
- } else goto no_change;
- } else {
- cur = from;
- len = -len;
- goto utf8_shrink;
- }
- else {
- len -= cur - from;
- if (len > 0) goto grow;
- if (len == 0) goto no_change;
- len = -len;
- goto shrink;
- }
- break;
-
- case '(': {
+ /* Code inside the switch must take care to properly update
+ cat (CUR length and '\0' termination) if it updated *cur and
+ doesn't simply leave using break */
+ switch (TYPE_NO_ENDIANNESS(datumtype)) {
+ default:
+ Perl_croak(aTHX_ "Invalid type '%c' in pack",
+ (int) TYPE_NO_MODIFIERS(datumtype));
+ case '%':
+ Perl_croak(aTHX_ "'%%' may not be used in pack");
+
+ case '.' | TYPE_IS_SHRIEKING:
+ case '.':
+ if (howlen == e_star) from = start;
+ else if (len == 0) from = cur;
+ else {
+ tempsym_t *group = symptr;
+
+ while (--len && group) group = group->previous;
+ from = group ? start + group->strbeg : start;
+ }
+ fromstr = NEXTFROM;
+ len = SvIV_no_inf(fromstr, datumtype);
+ goto resize;
+ case '@' | TYPE_IS_SHRIEKING:
+ case '@':
+ from = start + symptr->strbeg;
+ resize:
+ if (utf8 && !(datumtype & TYPE_IS_SHRIEKING))
+ if (len >= 0) {
+ while (len && from < cur) {
+ from += UTF8SKIP(from);
+ len--;
+ }
+ if (from > cur)
+ Perl_croak(aTHX_ "Malformed UTF-8 string in pack");
+ if (len) {
+ /* Here we know from == cur */
+ grow:
+ GROWING(0, cat, start, cur, len);
+ Zero(cur, len, char);
+ cur += len;
+ } else if (from < cur) {
+ len = cur - from;
+ goto shrink;
+ } else goto no_change;
+ } else {
+ cur = from;
+ len = -len;
+ goto utf8_shrink;
+ }
+ else {
+ len -= cur - from;
+ if (len > 0) goto grow;
+ if (len == 0) goto no_change;
+ len = -len;
+ goto shrink;
+ }
+ break;
+
+ case '(': {
tempsym_t savsym = *symptr;
- U32 group_modifiers = TYPE_MODIFIERS(datumtype & ~symptr->flags);
- symptr->flags |= group_modifiers;
+ U32 group_modifiers = TYPE_MODIFIERS(datumtype & ~symptr->flags);
+ symptr->flags |= group_modifiers;
symptr->patend = savsym.grpend;
symptr->level++;
- symptr->previous = &lookahead;
- while (len--) {
- U32 was_utf8;
- if (utf8) symptr->flags |= FLAG_PARSE_UTF8;
- else symptr->flags &= ~FLAG_PARSE_UTF8;
- was_utf8 = SvUTF8(cat);
- symptr->patptr = savsym.grpbeg;
- beglist = pack_rec(cat, symptr, beglist, endlist);
- if (SvUTF8(cat) != was_utf8)
- /* This had better be an upgrade while in utf8==0 mode */
- utf8 = 1;
-
- if (savsym.howlen == e_star && beglist == endlist)
- break; /* No way to continue */
- }
- items = endlist - beglist;
- lookahead.flags = symptr->flags & ~group_modifiers;
- goto no_change;
- }
- case 'X' | TYPE_IS_SHRIEKING:
- if (!len) /* Avoid division by 0 */
- len = 1;
- if (utf8) {
- char *hop, *last;
- SSize_t l = len;
- hop = last = start;
- while (hop < cur) {
- hop += UTF8SKIP(hop);
- if (--l == 0) {
- last = hop;
- l = len;
- }
- }
- if (last > cur)
- Perl_croak(aTHX_ "Malformed UTF-8 string in pack");
- cur = last;
- break;
- }
- len = (cur-start) % len;
- /* FALLTHROUGH */
- case 'X':
- if (utf8) {
- if (len < 1) goto no_change;
- utf8_shrink:
- while (len > 0) {
- if (cur <= start)
- Perl_croak(aTHX_ "'%c' outside of string in pack",
- (int) TYPE_NO_MODIFIERS(datumtype));
- while (--cur, UTF8_IS_CONTINUATION(*cur)) {
- if (cur <= start)
- Perl_croak(aTHX_ "'%c' outside of string in pack",
- (int) TYPE_NO_MODIFIERS(datumtype));
- }
- len--;
- }
- } else {
- shrink:
- if (cur - start < len)
- Perl_croak(aTHX_ "'%c' outside of string in pack",
- (int) TYPE_NO_MODIFIERS(datumtype));
- cur -= len;
- }
- if (cur < start+symptr->strbeg) {
- /* Make sure group starts don't point into the void */
- tempsym_t *group;
- const STRLEN length = cur-start;
- for (group = symptr;
- group && length < group->strbeg;
- group = group->previous) group->strbeg = length;
- lookahead.strbeg = length;
- }
- break;
- case 'x' | TYPE_IS_SHRIEKING: {
- SSize_t ai32;
- if (!len) /* Avoid division by 0 */
- len = 1;
- if (utf8) ai32 = utf8_length((U8 *) start, (U8 *) cur) % len;
- else ai32 = (cur - start) % len;
- if (ai32 == 0) goto no_change;
- len -= ai32;
- }
- /* FALLTHROUGH */
- case 'x':
- goto grow;
- case 'A':
- case 'Z':
- case 'a': {
- const char *aptr;
-
- fromstr = NEXTFROM;
- aptr = SvPV_const(fromstr, fromlen);
- if (DO_UTF8(fromstr)) {
+ symptr->previous = &lookahead;
+ while (len--) {
+ U32 was_utf8;
+ if (utf8) symptr->flags |= FLAG_PARSE_UTF8;
+ else symptr->flags &= ~FLAG_PARSE_UTF8;
+ was_utf8 = SvUTF8(cat);
+ symptr->patptr = savsym.grpbeg;
+ beglist = pack_rec(cat, symptr, beglist, endlist);
+ if (SvUTF8(cat) != was_utf8)
+ /* This had better be an upgrade while in utf8==0 mode */
+ utf8 = 1;
+
+ if (savsym.howlen == e_star && beglist == endlist)
+ break; /* No way to continue */
+ }
+ items = endlist - beglist;
+ lookahead.flags = symptr->flags & ~group_modifiers;
+ goto no_change;
+ }
+ case 'X' | TYPE_IS_SHRIEKING:
+ if (!len) /* Avoid division by 0 */
+ len = 1;
+ if (utf8) {
+ char *hop, *last;
+ SSize_t l = len;
+ hop = last = start;
+ while (hop < cur) {
+ hop += UTF8SKIP(hop);
+ if (--l == 0) {
+ last = hop;
+ l = len;
+ }
+ }
+ if (last > cur)
+ Perl_croak(aTHX_ "Malformed UTF-8 string in pack");
+ cur = last;
+ break;
+ }
+ len = (cur-start) % len;
+ /* FALLTHROUGH */
+ case 'X':
+ if (utf8) {
+ if (len < 1) goto no_change;
+ utf8_shrink:
+ while (len > 0) {
+ if (cur <= start)
+ Perl_croak(aTHX_ "'%c' outside of string in pack",
+ (int) TYPE_NO_MODIFIERS(datumtype));
+ while (--cur, UTF8_IS_CONTINUATION(*cur)) {
+ if (cur <= start)
+ Perl_croak(aTHX_ "'%c' outside of string in pack",
+ (int) TYPE_NO_MODIFIERS(datumtype));
+ }
+ len--;
+ }
+ } else {
+ shrink:
+ if (cur - start < len)
+ Perl_croak(aTHX_ "'%c' outside of string in pack",
+ (int) TYPE_NO_MODIFIERS(datumtype));
+ cur -= len;
+ }
+ if (cur < start+symptr->strbeg) {
+ /* Make sure group starts don't point into the void */
+ tempsym_t *group;
+ const STRLEN length = cur-start;
+ for (group = symptr;
+ group && length < group->strbeg;
+ group = group->previous) group->strbeg = length;
+ lookahead.strbeg = length;
+ }
+ break;
+ case 'x' | TYPE_IS_SHRIEKING: {
+ SSize_t ai32;
+ if (!len) /* Avoid division by 0 */
+ len = 1;
+ if (utf8) ai32 = utf8_length((U8 *) start, (U8 *) cur) % len;
+ else ai32 = (cur - start) % len;
+ if (ai32 == 0) goto no_change;
+ len -= ai32;
+ }
+ /* FALLTHROUGH */
+ case 'x':
+ goto grow;
+ case 'A':
+ case 'Z':
+ case 'a': {
+ const char *aptr;
+
+ fromstr = NEXTFROM;
+ aptr = SvPV_const(fromstr, fromlen);
+ if (DO_UTF8(fromstr)) {
const char *end, *s;
- if (!utf8 && !SvUTF8(cat)) {
- marked_upgrade(aTHX_ cat, symptr);
- lookahead.flags |= FLAG_DO_UTF8;
- lookahead.strbeg = symptr->strbeg;
- utf8 = 1;
- start = SvPVX(cat);
- cur = start + SvCUR(cat);
- }
- if (howlen == e_star) {
- if (utf8) goto string_copy;
- len = fromlen+1;
- }
- s = aptr;
- end = aptr + fromlen;
- fromlen = datumtype == 'Z' ? len-1 : len;
- while ((SSize_t) fromlen > 0 && s < end) {
- s += UTF8SKIP(s);
- fromlen--;
- }
- if (s > end)
- Perl_croak(aTHX_ "Malformed UTF-8 string in pack");
- if (utf8) {
- len = fromlen;
- if (datumtype == 'Z') len++;
- fromlen = s-aptr;
- len += fromlen;
-
- goto string_copy;
- }
- fromlen = len - fromlen;
- if (datumtype == 'Z') fromlen--;
- if (howlen == e_star) {
- len = fromlen;
- if (datumtype == 'Z') len++;
- }
- GROWING(0, cat, start, cur, len);
- if (!S_utf8_to_bytes(aTHX_ &aptr, end, cur, fromlen,
- datumtype | TYPE_IS_PACK))
- Perl_croak(aTHX_ "panic: predicted utf8 length not available, "
- "for '%c', aptr=%p end=%p cur=%p, fromlen=%zu",
- (int)datumtype, aptr, end, cur, fromlen);
- cur += fromlen;
- len -= fromlen;
- } else if (utf8) {
- if (howlen == e_star) {
- len = fromlen;
- if (datumtype == 'Z') len++;
- }
- if (len <= (SSize_t) fromlen) {
- fromlen = len;
- if (datumtype == 'Z' && fromlen > 0) fromlen--;
- }
- /* assumes a byte expands to at most UTF8_EXPAND bytes on
- upgrade, so:
- expected_length <= from_len*UTF8_EXPAND + (len-from_len) */
- GROWING(0, cat, start, cur, fromlen*(UTF8_EXPAND-1)+len);
- len -= fromlen;
- while (fromlen > 0) {
- cur = (char *) uvchr_to_utf8((U8 *) cur, * (U8 *) aptr);
- aptr++;
- fromlen--;
- }
- } else {
- string_copy:
- if (howlen == e_star) {
- len = fromlen;
- if (datumtype == 'Z') len++;
- }
- if (len <= (SSize_t) fromlen) {
- fromlen = len;
- if (datumtype == 'Z' && fromlen > 0) fromlen--;
- }
- GROWING(0, cat, start, cur, len);
- Copy(aptr, cur, fromlen, char);
- cur += fromlen;
- len -= fromlen;
- }
- memset(cur, datumtype == 'A' ? ' ' : '\0', len);
- cur += len;
- SvTAINT(cat);
- break;
- }
- case 'B':
- case 'b': {
- const char *str, *end;
- SSize_t l, field_len;
- U8 bits;
- bool utf8_source;
- U32 utf8_flags;
-
- fromstr = NEXTFROM;
- str = SvPV_const(fromstr, fromlen);
- end = str + fromlen;
- if (DO_UTF8(fromstr)) {
- utf8_source = TRUE;
- utf8_flags = warn_utf8 ? 0 : UTF8_ALLOW_ANY;
- } else {
- utf8_source = FALSE;
- utf8_flags = 0; /* Unused, but keep compilers happy */
- }
- if (howlen == e_star) len = fromlen;
- field_len = (len+7)/8;
- GROWING(utf8, cat, start, cur, field_len);
- if (len > (SSize_t)fromlen) len = fromlen;
- bits = 0;
- l = 0;
- if (datumtype == 'B')
- while (l++ < len) {
- if (utf8_source) {
- UV val = 0;
- NEXT_UNI_VAL(val, cur, str, end, utf8_flags);
- bits |= val & 1;
- } else bits |= *str++ & 1;
- if (l & 7) bits <<= 1;
- else {
- PUSH_BYTE(utf8, cur, bits);
- bits = 0;
- }
- }
- else
- /* datumtype == 'b' */
- while (l++ < len) {
- if (utf8_source) {
- UV val = 0;
- NEXT_UNI_VAL(val, cur, str, end, utf8_flags);
- if (val & 1) bits |= 0x80;
- } else if (*str++ & 1)
- bits |= 0x80;
- if (l & 7) bits >>= 1;
- else {
- PUSH_BYTE(utf8, cur, bits);
- bits = 0;
- }
- }
- l--;
- if (l & 7) {
- if (datumtype == 'B')
- bits <<= 7 - (l & 7);
- else
- bits >>= 7 - (l & 7);
- PUSH_BYTE(utf8, cur, bits);
- l += 7;
- }
- /* Determine how many chars are left in the requested field */
- l /= 8;
- if (howlen == e_star) field_len = 0;
- else field_len -= l;
- Zero(cur, field_len, char);
- cur += field_len;
- break;
- }
- case 'H':
- case 'h': {
- const char *str, *end;
- SSize_t l, field_len;
- U8 bits;
- bool utf8_source;
- U32 utf8_flags;
-
- fromstr = NEXTFROM;
- str = SvPV_const(fromstr, fromlen);
- end = str + fromlen;
- if (DO_UTF8(fromstr)) {
- utf8_source = TRUE;
- utf8_flags = warn_utf8 ? 0 : UTF8_ALLOW_ANY;
- } else {
- utf8_source = FALSE;
- utf8_flags = 0; /* Unused, but keep compilers happy */
- }
- if (howlen == e_star) len = fromlen;
- field_len = (len+1)/2;
- GROWING(utf8, cat, start, cur, field_len);
- if (!utf8_source && len > (SSize_t)fromlen) len = fromlen;
- bits = 0;
- l = 0;
- if (datumtype == 'H')
- while (l++ < len) {
- if (utf8_source) {
- UV val = 0;
- NEXT_UNI_VAL(val, cur, str, end, utf8_flags);
- if (val < 256 && isALPHA(val))
- bits |= (val + 9) & 0xf;
- else
- bits |= val & 0xf;
- } else if (isALPHA(*str))
- bits |= (*str++ + 9) & 0xf;
- else
- bits |= *str++ & 0xf;
- if (l & 1) bits <<= 4;
- else {
- PUSH_BYTE(utf8, cur, bits);
- bits = 0;
- }
- }
- else
- while (l++ < len) {
- if (utf8_source) {
- UV val = 0;
- NEXT_UNI_VAL(val, cur, str, end, utf8_flags);
- if (val < 256 && isALPHA(val))
- bits |= ((val + 9) & 0xf) << 4;
- else
- bits |= (val & 0xf) << 4;
- } else if (isALPHA(*str))
- bits |= ((*str++ + 9) & 0xf) << 4;
- else
- bits |= (*str++ & 0xf) << 4;
- if (l & 1) bits >>= 4;
- else {
- PUSH_BYTE(utf8, cur, bits);
- bits = 0;
- }
- }
- l--;
- if (l & 1) {
- PUSH_BYTE(utf8, cur, bits);
- l++;
- }
- /* Determine how many chars are left in the requested field */
- l /= 2;
- if (howlen == e_star) field_len = 0;
- else field_len -= l;
- Zero(cur, field_len, char);
- cur += field_len;
- break;
- }
- case 'c':
- while (len-- > 0) {
- IV aiv;
- fromstr = NEXTFROM;
+ if (!utf8 && !SvUTF8(cat)) {
+ marked_upgrade(aTHX_ cat, symptr);
+ lookahead.flags |= FLAG_DO_UTF8;
+ lookahead.strbeg = symptr->strbeg;
+ utf8 = 1;
+ start = SvPVX(cat);
+ cur = start + SvCUR(cat);
+ }
+ if (howlen == e_star) {
+ if (utf8) goto string_copy;
+ len = fromlen+1;
+ }
+ s = aptr;
+ end = aptr + fromlen;
+ fromlen = datumtype == 'Z' ? len-1 : len;
+ while ((SSize_t) fromlen > 0 && s < end) {
+ s += UTF8SKIP(s);
+ fromlen--;
+ }
+ if (s > end)
+ Perl_croak(aTHX_ "Malformed UTF-8 string in pack");
+ if (utf8) {
+ len = fromlen;
+ if (datumtype == 'Z') len++;
+ fromlen = s-aptr;
+ len += fromlen;
+
+ goto string_copy;
+ }
+ fromlen = len - fromlen;
+ if (datumtype == 'Z') fromlen--;
+ if (howlen == e_star) {
+ len = fromlen;
+ if (datumtype == 'Z') len++;
+ }
+ GROWING(0, cat, start, cur, len);
+ if (!S_utf8_to_bytes(aTHX_ &aptr, end, cur, fromlen,
+ datumtype | TYPE_IS_PACK))
+ Perl_croak(aTHX_ "panic: predicted utf8 length not available, "
+ "for '%c', aptr=%p end=%p cur=%p, fromlen=%zu",
+ (int)datumtype, aptr, end, cur, fromlen);
+ cur += fromlen;
+ len -= fromlen;
+ } else if (utf8) {
+ if (howlen == e_star) {
+ len = fromlen;
+ if (datumtype == 'Z') len++;
+ }
+ if (len <= (SSize_t) fromlen) {
+ fromlen = len;
+ if (datumtype == 'Z' && fromlen > 0) fromlen--;
+ }
+ /* assumes a byte expands to at most UTF8_EXPAND bytes on
+ upgrade, so:
+ expected_length <= from_len*UTF8_EXPAND + (len-from_len) */
+ GROWING(0, cat, start, cur, fromlen*(UTF8_EXPAND-1)+len);
+ len -= fromlen;
+ while (fromlen > 0) {
+ cur = (char *) uvchr_to_utf8((U8 *) cur, * (U8 *) aptr);
+ aptr++;
+ fromlen--;
+ }
+ } else {
+ string_copy:
+ if (howlen == e_star) {
+ len = fromlen;
+ if (datumtype == 'Z') len++;
+ }
+ if (len <= (SSize_t) fromlen) {
+ fromlen = len;
+ if (datumtype == 'Z' && fromlen > 0) fromlen--;
+ }
+ GROWING(0, cat, start, cur, len);
+ Copy(aptr, cur, fromlen, char);
+ cur += fromlen;
+ len -= fromlen;
+ }
+ memset(cur, datumtype == 'A' ? ' ' : '\0', len);
+ cur += len;
+ SvTAINT(cat);
+ break;
+ }
+ case 'B':
+ case 'b': {
+ const char *str, *end;
+ SSize_t l, field_len;
+ U8 bits;
+ bool utf8_source;
+ U32 utf8_flags;
+
+ fromstr = NEXTFROM;
+ str = SvPV_const(fromstr, fromlen);
+ end = str + fromlen;
+ if (DO_UTF8(fromstr)) {
+ utf8_source = TRUE;
+ utf8_flags = warn_utf8 ? 0 : UTF8_ALLOW_ANY;
+ } else {
+ utf8_source = FALSE;
+ utf8_flags = 0; /* Unused, but keep compilers happy */
+ }
+ if (howlen == e_star) len = fromlen;
+ field_len = (len+7)/8;
+ GROWING(utf8, cat, start, cur, field_len);
+ if (len > (SSize_t)fromlen) len = fromlen;
+ bits = 0;
+ l = 0;
+ if (datumtype == 'B')
+ while (l++ < len) {
+ if (utf8_source) {
+ UV val = 0;
+ NEXT_UNI_VAL(val, cur, str, end, utf8_flags);
+ bits |= val & 1;
+ } else bits |= *str++ & 1;
+ if (l & 7) bits <<= 1;
+ else {
+ PUSH_BYTE(utf8, cur, bits);
+ bits = 0;
+ }
+ }
+ else
+ /* datumtype == 'b' */
+ while (l++ < len) {
+ if (utf8_source) {
+ UV val = 0;
+ NEXT_UNI_VAL(val, cur, str, end, utf8_flags);
+ if (val & 1) bits |= 0x80;
+ } else if (*str++ & 1)
+ bits |= 0x80;
+ if (l & 7) bits >>= 1;
+ else {
+ PUSH_BYTE(utf8, cur, bits);
+ bits = 0;
+ }
+ }
+ l--;
+ if (l & 7) {
+ if (datumtype == 'B')
+ bits <<= 7 - (l & 7);
+ else
+ bits >>= 7 - (l & 7);
+ PUSH_BYTE(utf8, cur, bits);
+ l += 7;
+ }
+ /* Determine how many chars are left in the requested field */
+ l /= 8;
+ if (howlen == e_star) field_len = 0;
+ else field_len -= l;
+ Zero(cur, field_len, char);
+ cur += field_len;
+ break;
+ }
+ case 'H':
+ case 'h': {
+ const char *str, *end;
+ SSize_t l, field_len;
+ U8 bits;
+ bool utf8_source;
+ U32 utf8_flags;
+
+ fromstr = NEXTFROM;
+ str = SvPV_const(fromstr, fromlen);
+ end = str + fromlen;
+ if (DO_UTF8(fromstr)) {
+ utf8_source = TRUE;
+ utf8_flags = warn_utf8 ? 0 : UTF8_ALLOW_ANY;
+ } else {
+ utf8_source = FALSE;
+ utf8_flags = 0; /* Unused, but keep compilers happy */
+ }
+ if (howlen == e_star) len = fromlen;
+ field_len = (len+1)/2;
+ GROWING(utf8, cat, start, cur, field_len);
+ if (!utf8_source && len > (SSize_t)fromlen) len = fromlen;
+ bits = 0;
+ l = 0;
+ if (datumtype == 'H')
+ while (l++ < len) {
+ if (utf8_source) {
+ UV val = 0;
+ NEXT_UNI_VAL(val, cur, str, end, utf8_flags);
+ if (val < 256 && isALPHA(val))
+ bits |= (val + 9) & 0xf;
+ else
+ bits |= val & 0xf;
+ } else if (isALPHA(*str))
+ bits |= (*str++ + 9) & 0xf;
+ else
+ bits |= *str++ & 0xf;
+ if (l & 1) bits <<= 4;
+ else {
+ PUSH_BYTE(utf8, cur, bits);
+ bits = 0;
+ }
+ }
+ else
+ while (l++ < len) {
+ if (utf8_source) {
+ UV val = 0;
+ NEXT_UNI_VAL(val, cur, str, end, utf8_flags);
+ if (val < 256 && isALPHA(val))
+ bits |= ((val + 9) & 0xf) << 4;
+ else
+ bits |= (val & 0xf) << 4;
+ } else if (isALPHA(*str))
+ bits |= ((*str++ + 9) & 0xf) << 4;
+ else
+ bits |= (*str++ & 0xf) << 4;
+ if (l & 1) bits >>= 4;
+ else {
+ PUSH_BYTE(utf8, cur, bits);
+ bits = 0;
+ }
+ }
+ l--;
+ if (l & 1) {
+ PUSH_BYTE(utf8, cur, bits);
+ l++;
+ }
+ /* Determine how many chars are left in the requested field */
+ l /= 2;
+ if (howlen == e_star) field_len = 0;
+ else field_len -= l;
+ Zero(cur, field_len, char);
+ cur += field_len;
+ break;
+ }
+ case 'c':
+ while (len-- > 0) {
+ IV aiv;
+ fromstr = NEXTFROM;
aiv = SvIV_no_inf(fromstr, datumtype);
- if ((-128 > aiv || aiv > 127))
- Perl_ck_warner(aTHX_ packWARN(WARN_PACK),
- "Character in 'c' format wrapped in pack");
- PUSH_BYTE(utf8, cur, (U8)(aiv & 0xff));
- }
- break;
- case 'C':
- if (len == 0) {
- utf8 = (symptr->flags & FLAG_DO_UTF8) ? 1 : 0;
- break;
- }
- while (len-- > 0) {
- IV aiv;
- fromstr = NEXTFROM;
+ if ((-128 > aiv || aiv > 127))
+ Perl_ck_warner(aTHX_ packWARN(WARN_PACK),
+ "Character in 'c' format wrapped in pack");
+ PUSH_BYTE(utf8, cur, (U8)(aiv & 0xff));
+ }
+ break;
+ case 'C':
+ if (len == 0) {
+ utf8 = (symptr->flags & FLAG_DO_UTF8) ? 1 : 0;
+ break;
+ }
+ while (len-- > 0) {
+ IV aiv;
+ fromstr = NEXTFROM;
aiv = SvIV_no_inf(fromstr, datumtype);
- if ((0 > aiv || aiv > 0xff))
- Perl_ck_warner(aTHX_ packWARN(WARN_PACK),
- "Character in 'C' format wrapped in pack");
- PUSH_BYTE(utf8, cur, (U8)(aiv & 0xff));
- }
- break;
- case 'W': {
- char *end;
- U8 in_bytes = (U8)IN_BYTES;
-
- end = start+SvLEN(cat)-1;
- if (utf8) end -= UTF8_MAXLEN-1;
- while (len-- > 0) {
- UV auv;
- fromstr = NEXTFROM;
- auv = SvUV_no_inf(fromstr, datumtype);
- if (in_bytes) auv = auv % 0x100;
- if (utf8) {
- W_utf8:
- if (cur >= end) {
- *cur = '\0';
- SvCUR_set(cat, cur - start);
-
- GROWING(0, cat, start, cur, len+UTF8_MAXLEN);
- end = start+SvLEN(cat)-UTF8_MAXLEN;
- }
- cur = (char *) uvchr_to_utf8_flags((U8 *) cur, auv, 0);
- } else {
- if (auv >= 0x100) {
- if (!SvUTF8(cat)) {
- *cur = '\0';
- SvCUR_set(cat, cur - start);
- marked_upgrade(aTHX_ cat, symptr);
- lookahead.flags |= FLAG_DO_UTF8;
- lookahead.strbeg = symptr->strbeg;
- utf8 = 1;
- start = SvPVX(cat);
- cur = start + SvCUR(cat);
- end = start+SvLEN(cat)-UTF8_MAXLEN;
- goto W_utf8;
- }
- Perl_ck_warner(aTHX_ packWARN(WARN_PACK),
- "Character in 'W' format wrapped in pack");
- auv &= 0xff;
- }
- if (cur >= end) {
- *cur = '\0';
- SvCUR_set(cat, cur - start);
- GROWING(0, cat, start, cur, len+1);
- end = start+SvLEN(cat)-1;
- }
- *(U8 *) cur++ = (U8)auv;
- }
- }
- break;
- }
- case 'U': {
- char *end;
-
- if (len == 0) {
- if (!(symptr->flags & FLAG_DO_UTF8)) {
- marked_upgrade(aTHX_ cat, symptr);
- lookahead.flags |= FLAG_DO_UTF8;
- lookahead.strbeg = symptr->strbeg;
- }
- utf8 = 0;
- goto no_change;
- }
-
- end = start+SvLEN(cat);
- if (!utf8) end -= UTF8_MAXLEN;
- while (len-- > 0) {
- UV auv;
- fromstr = NEXTFROM;
- auv = SvUV_no_inf(fromstr, datumtype);
- if (utf8) {
- U8 buffer[UTF8_MAXLEN+1], *endb;
- endb = uvchr_to_utf8_flags(buffer, UNI_TO_NATIVE(auv), 0);
- if (cur+(endb-buffer)*UTF8_EXPAND >= end) {
- *cur = '\0';
- SvCUR_set(cat, cur - start);
- GROWING(0, cat, start, cur,
- len+(endb-buffer)*UTF8_EXPAND);
- end = start+SvLEN(cat);
- }
+ if ((0 > aiv || aiv > 0xff))
+ Perl_ck_warner(aTHX_ packWARN(WARN_PACK),
+ "Character in 'C' format wrapped in pack");
+ PUSH_BYTE(utf8, cur, (U8)(aiv & 0xff));
+ }
+ break;
+ case 'W': {
+ char *end;
+ U8 in_bytes = (U8)IN_BYTES;
+
+ end = start+SvLEN(cat)-1;
+ if (utf8) end -= UTF8_MAXLEN-1;
+ while (len-- > 0) {
+ UV auv;
+ fromstr = NEXTFROM;
+ auv = SvUV_no_inf(fromstr, datumtype);
+ if (in_bytes) auv = auv % 0x100;
+ if (utf8) {
+ W_utf8:
+ if (cur >= end) {
+ *cur = '\0';
+ SvCUR_set(cat, cur - start);
+
+ GROWING(0, cat, start, cur, len+UTF8_MAXLEN);
+ end = start+SvLEN(cat)-UTF8_MAXLEN;
+ }
+ cur = (char *) uvchr_to_utf8_flags((U8 *) cur, auv, 0);
+ } else {
+ if (auv >= 0x100) {
+ if (!SvUTF8(cat)) {
+ *cur = '\0';
+ SvCUR_set(cat, cur - start);
+ marked_upgrade(aTHX_ cat, symptr);
+ lookahead.flags |= FLAG_DO_UTF8;
+ lookahead.strbeg = symptr->strbeg;
+ utf8 = 1;
+ start = SvPVX(cat);
+ cur = start + SvCUR(cat);
+ end = start+SvLEN(cat)-UTF8_MAXLEN;
+ goto W_utf8;
+ }
+ Perl_ck_warner(aTHX_ packWARN(WARN_PACK),
+ "Character in 'W' format wrapped in pack");
+ auv &= 0xff;
+ }
+ if (cur >= end) {
+ *cur = '\0';
+ SvCUR_set(cat, cur - start);
+ GROWING(0, cat, start, cur, len+1);
+ end = start+SvLEN(cat)-1;
+ }
+ *(U8 *) cur++ = (U8)auv;
+ }
+ }
+ break;
+ }
+ case 'U': {
+ char *end;
+
+ if (len == 0) {
+ if (!(symptr->flags & FLAG_DO_UTF8)) {
+ marked_upgrade(aTHX_ cat, symptr);
+ lookahead.flags |= FLAG_DO_UTF8;
+ lookahead.strbeg = symptr->strbeg;
+ }
+ utf8 = 0;
+ goto no_change;
+ }
+
+ end = start+SvLEN(cat);
+ if (!utf8) end -= UTF8_MAXLEN;
+ while (len-- > 0) {
+ UV auv;
+ fromstr = NEXTFROM;
+ auv = SvUV_no_inf(fromstr, datumtype);
+ if (utf8) {
+ U8 buffer[UTF8_MAXLEN+1], *endb;
+ endb = uvchr_to_utf8_flags(buffer, UNI_TO_NATIVE(auv), 0);
+ if (cur+(endb-buffer)*UTF8_EXPAND >= end) {
+ *cur = '\0';
+ SvCUR_set(cat, cur - start);
+ GROWING(0, cat, start, cur,
+ len+(endb-buffer)*UTF8_EXPAND);
+ end = start+SvLEN(cat);
+ }
cur = my_bytes_to_utf8(buffer, endb-buffer, cur, 0);
- } else {
- if (cur >= end) {
- *cur = '\0';
- SvCUR_set(cat, cur - start);
- GROWING(0, cat, start, cur, len+UTF8_MAXLEN);
- end = start+SvLEN(cat)-UTF8_MAXLEN;
- }
- cur = (char *) uvchr_to_utf8_flags((U8 *) cur,
+ } else {
+ if (cur >= end) {
+ *cur = '\0';
+ SvCUR_set(cat, cur - start);
+ GROWING(0, cat, start, cur, len+UTF8_MAXLEN);
+ end = start+SvLEN(cat)-UTF8_MAXLEN;
+ }
+ cur = (char *) uvchr_to_utf8_flags((U8 *) cur,
UNI_TO_NATIVE(auv),
- 0);
- }
- }
- break;
- }
- /* Float and double added by gnb@melba.bby.oz.au 22/11/89 */
- case 'f':
- while (len-- > 0) {
- float afloat;
- NV anv;
- fromstr = NEXTFROM;
- anv = SvNV(fromstr);
+ 0);
+ }
+ }
+ break;
+ }
+ /* Float and double added by gnb@melba.bby.oz.au 22/11/89 */
+ case 'f':
+ while (len-- > 0) {
+ float afloat;
+ NV anv;
+ fromstr = NEXTFROM;
+ anv = SvNV(fromstr);
# if (defined(VMS) && !defined(_IEEE_FP)) || defined(DOUBLE_IS_VAX_FLOAT)
- /* IEEE fp overflow shenanigans are unavailable on VAX and optional
- * on Alpha; fake it if we don't have them.
- */
- if (anv > FLT_MAX)
- afloat = FLT_MAX;
- else if (anv < -FLT_MAX)
- afloat = -FLT_MAX;
- else afloat = (float)anv;
+ /* IEEE fp overflow shenanigans are unavailable on VAX and optional
+ * on Alpha; fake it if we don't have them.
+ */
+ if (anv > FLT_MAX)
+ afloat = FLT_MAX;
+ else if (anv < -FLT_MAX)
+ afloat = -FLT_MAX;
+ else afloat = (float)anv;
# else
# if defined(NAN_COMPARE_BROKEN) && defined(Perl_isnan)
- if(Perl_isnan(anv))
- afloat = (float)NV_NAN;
- else
+ if(Perl_isnan(anv))
+ afloat = (float)NV_NAN;
+ else
# endif
# ifdef NV_INF
/* a simple cast to float is undefined if outside
* the range of values that can be represented */
- afloat = (float)(anv > FLT_MAX ? NV_INF :
+ afloat = (float)(anv > FLT_MAX ? NV_INF :
anv < -FLT_MAX ? -NV_INF : anv);
# endif
# endif
PUSH_VAR(utf8, cur, afloat, needs_swap);
- }
- break;
- case 'd':
- while (len-- > 0) {
- double adouble;
- NV anv;
- fromstr = NEXTFROM;
- anv = SvNV(fromstr);
+ }
+ break;
+ case 'd':
+ while (len-- > 0) {
+ double adouble;
+ NV anv;
+ fromstr = NEXTFROM;
+ anv = SvNV(fromstr);
# if (defined(VMS) && !defined(_IEEE_FP)) || defined(DOUBLE_IS_VAX_FLOAT)
- /* IEEE fp overflow shenanigans are unavailable on VAX and optional
- * on Alpha; fake it if we don't have them.
- */
- if (anv > DBL_MAX)
- adouble = DBL_MAX;
- else if (anv < -DBL_MAX)
- adouble = -DBL_MAX;
- else adouble = (double)anv;
+ /* IEEE fp overflow shenanigans are unavailable on VAX and optional
+ * on Alpha; fake it if we don't have them.
+ */
+ if (anv > DBL_MAX)
+ adouble = DBL_MAX;
+ else if (anv < -DBL_MAX)
+ adouble = -DBL_MAX;
+ else adouble = (double)anv;
# else
- adouble = (double)anv;
+ adouble = (double)anv;
# endif
PUSH_VAR(utf8, cur, adouble, needs_swap);
- }
- break;
- case 'F': {
- NV_bytes anv;
- Zero(&anv, 1, NV); /* can be long double with unused bits */
- while (len-- > 0) {
- fromstr = NEXTFROM;
+ }
+ break;
+ case 'F': {
+ NV_bytes anv;
+ Zero(&anv, 1, NV); /* can be long double with unused bits */
+ while (len-- > 0) {
+ fromstr = NEXTFROM;
#ifdef __GNUC__
- /* to work round a gcc/x86 bug; don't use SvNV */
- anv.nv = sv_2nv(fromstr);
+ /* to work round a gcc/x86 bug; don't use SvNV */
+ anv.nv = sv_2nv(fromstr);
# if defined(LONGDOUBLE_X86_80_BIT) && defined(USE_LONG_DOUBLE) \
&& LONG_DOUBLESIZE > 10
/* GCC sometimes overwrites the padding in the
Zero(anv.bytes+10, sizeof(anv.bytes) - 10, U8);
# endif
#else
- anv.nv = SvNV(fromstr);
+ anv.nv = SvNV(fromstr);
#endif
PUSH_BYTES(utf8, cur, anv.bytes, sizeof(anv.bytes), needs_swap);
- }
- break;
- }
+ }
+ break;
+ }
#if defined(HAS_LONG_DOUBLE) && defined(USE_LONG_DOUBLE)
- case 'D': {
- ld_bytes aldouble;
- /* long doubles can have unused bits, which may be nonzero */
- Zero(&aldouble, 1, long double);
- while (len-- > 0) {
- fromstr = NEXTFROM;
+ case 'D': {
+ ld_bytes aldouble;
+ /* long doubles can have unused bits, which may be nonzero */
+ Zero(&aldouble, 1, long double);
+ while (len-- > 0) {
+ fromstr = NEXTFROM;
# ifdef __GNUC__
- /* to work round a gcc/x86 bug; don't use SvNV */
- aldouble.ld = (long double)sv_2nv(fromstr);
+ /* to work round a gcc/x86 bug; don't use SvNV */
+ aldouble.ld = (long double)sv_2nv(fromstr);
# if defined(LONGDOUBLE_X86_80_BIT) && LONG_DOUBLESIZE > 10
/* GCC sometimes overwrites the padding in the
assignment above */
Zero(aldouble.bytes+10, sizeof(aldouble.bytes) - 10, U8);
# endif
# else
- aldouble.ld = (long double)SvNV(fromstr);
+ aldouble.ld = (long double)SvNV(fromstr);
# endif
PUSH_BYTES(utf8, cur, aldouble.bytes, sizeof(aldouble.bytes),
needs_swap);
- }
- break;
- }
+ }
+ break;
+ }
#endif
- case 'n' | TYPE_IS_SHRIEKING:
- case 'n':
- while (len-- > 0) {
- I16 ai16;
- fromstr = NEXTFROM;
- ai16 = (I16)SvIV_no_inf(fromstr, datumtype);
- ai16 = PerlSock_htons(ai16);
+ case 'n' | TYPE_IS_SHRIEKING:
+ case 'n':
+ while (len-- > 0) {
+ I16 ai16;
+ fromstr = NEXTFROM;
+ ai16 = (I16)SvIV_no_inf(fromstr, datumtype);
+ ai16 = PerlSock_htons(ai16);
PUSH16(utf8, cur, &ai16, FALSE);
- }
- break;
- case 'v' | TYPE_IS_SHRIEKING:
- case 'v':
- while (len-- > 0) {
- I16 ai16;
- fromstr = NEXTFROM;
- ai16 = (I16)SvIV_no_inf(fromstr, datumtype);
- ai16 = htovs(ai16);
+ }
+ break;
+ case 'v' | TYPE_IS_SHRIEKING:
+ case 'v':
+ while (len-- > 0) {
+ I16 ai16;
+ fromstr = NEXTFROM;
+ ai16 = (I16)SvIV_no_inf(fromstr, datumtype);
+ ai16 = htovs(ai16);
PUSH16(utf8, cur, &ai16, FALSE);
- }
- break;
+ }
+ break;
case 'S' | TYPE_IS_SHRIEKING:
#if SHORTSIZE != SIZE16
- while (len-- > 0) {
- unsigned short aushort;
- fromstr = NEXTFROM;
- aushort = SvUV_no_inf(fromstr, datumtype);
+ while (len-- > 0) {
+ unsigned short aushort;
+ fromstr = NEXTFROM;
+ aushort = SvUV_no_inf(fromstr, datumtype);
PUSH_VAR(utf8, cur, aushort, needs_swap);
- }
+ }
break;
#else
/* FALLTHROUGH */
#endif
- case 'S':
- while (len-- > 0) {
- U16 au16;
- fromstr = NEXTFROM;
- au16 = (U16)SvUV_no_inf(fromstr, datumtype);
+ case 'S':
+ while (len-- > 0) {
+ U16 au16;
+ fromstr = NEXTFROM;
+ au16 = (U16)SvUV_no_inf(fromstr, datumtype);
PUSH16(utf8, cur, &au16, needs_swap);
- }
- break;
- case 's' | TYPE_IS_SHRIEKING:
+ }
+ break;
+ case 's' | TYPE_IS_SHRIEKING:
#if SHORTSIZE != SIZE16
- while (len-- > 0) {
- short ashort;
- fromstr = NEXTFROM;
- ashort = SvIV_no_inf(fromstr, datumtype);
+ while (len-- > 0) {
+ short ashort;
+ fromstr = NEXTFROM;
+ ashort = SvIV_no_inf(fromstr, datumtype);
PUSH_VAR(utf8, cur, ashort, needs_swap);
- }
+ }
break;
#else
/* FALLTHROUGH */
#endif
- case 's':
- while (len-- > 0) {
- I16 ai16;
- fromstr = NEXTFROM;
- ai16 = (I16)SvIV_no_inf(fromstr, datumtype);
+ case 's':
+ while (len-- > 0) {
+ I16 ai16;
+ fromstr = NEXTFROM;
+ ai16 = (I16)SvIV_no_inf(fromstr, datumtype);
PUSH16(utf8, cur, &ai16, needs_swap);
- }
- break;
- case 'I':
- case 'I' | TYPE_IS_SHRIEKING:
- while (len-- > 0) {
- unsigned int auint;
- fromstr = NEXTFROM;
- auint = SvUV_no_inf(fromstr, datumtype);
+ }
+ break;
+ case 'I':
+ case 'I' | TYPE_IS_SHRIEKING:
+ while (len-- > 0) {
+ unsigned int auint;
+ fromstr = NEXTFROM;
+ auint = SvUV_no_inf(fromstr, datumtype);
PUSH_VAR(utf8, cur, auint, needs_swap);
- }
- break;
- case 'j':
- while (len-- > 0) {
- IV aiv;
- fromstr = NEXTFROM;
- aiv = SvIV_no_inf(fromstr, datumtype);
+ }
+ break;
+ case 'j':
+ while (len-- > 0) {
+ IV aiv;
+ fromstr = NEXTFROM;
+ aiv = SvIV_no_inf(fromstr, datumtype);
PUSH_VAR(utf8, cur, aiv, needs_swap);
- }
- break;
- case 'J':
- while (len-- > 0) {
- UV auv;
- fromstr = NEXTFROM;
- auv = SvUV_no_inf(fromstr, datumtype);
+ }
+ break;
+ case 'J':
+ while (len-- > 0) {
+ UV auv;
+ fromstr = NEXTFROM;
+ auv = SvUV_no_inf(fromstr, datumtype);
PUSH_VAR(utf8, cur, auv, needs_swap);
- }
- break;
- case 'w':
+ }
+ break;
+ case 'w':
while (len-- > 0) {
- NV anv;
- fromstr = NEXTFROM;
- S_sv_check_infnan(aTHX_ fromstr, datumtype);
- anv = SvNV_nomg(fromstr);
-
- if (anv < 0) {
- *cur = '\0';
- SvCUR_set(cat, cur - start);
- Perl_croak(aTHX_ "Cannot compress negative numbers in pack");
- }
+ NV anv;
+ fromstr = NEXTFROM;
+ S_sv_check_infnan(aTHX_ fromstr, datumtype);
+ anv = SvNV_nomg(fromstr);
+
+ if (anv < 0) {
+ *cur = '\0';
+ SvCUR_set(cat, cur - start);
+ Perl_croak(aTHX_ "Cannot compress negative numbers in pack");
+ }
/* 0xFFFFFFFFFFFFFFFF may cast to 18446744073709551616.0,
which is == UV_MAX_P1. IOK is fine (instead of UV_only), as
any negative IVs will have already been got by the croak()
above. IOK is untrue for fractions, so we test them
against UV_MAX_P1. */
- if (SvIOK(fromstr) || anv < UV_MAX_P1) {
- char buf[(sizeof(UV)*CHAR_BIT)/7+1];
- char *in = buf + sizeof(buf);
- UV auv = SvUV_nomg(fromstr);
-
- do {
- *--in = (char)((auv & 0x7f) | 0x80);
- auv >>= 7;
- } while (auv);
- buf[sizeof(buf) - 1] &= 0x7f; /* clear continue bit */
- PUSH_GROWING_BYTES(utf8, cat, start, cur,
- in, (buf + sizeof(buf)) - in);
- } else if (SvPOKp(fromstr))
- goto w_string;
- else if (SvNOKp(fromstr)) {
- /* 10**NV_MAX_10_EXP is the largest power of 10
- so 10**(NV_MAX_10_EXP+1) is definitely unrepresentable
- given 10**(NV_MAX_10_EXP+1) == 128 ** x solve for x:
- x = (NV_MAX_10_EXP+1) * log (10) / log (128)
- And with that many bytes only Inf can overflow.
- Some C compilers are strict about integral constant
- expressions so we conservatively divide by a slightly
- smaller integer instead of multiplying by the exact
- floating-point value.
- */
+ if (SvIOK(fromstr) || anv < UV_MAX_P1) {
+ char buf[(sizeof(UV)*CHAR_BIT)/7+1];
+ char *in = buf + sizeof(buf);
+ UV auv = SvUV_nomg(fromstr);
+
+ do {
+ *--in = (char)((auv & 0x7f) | 0x80);
+ auv >>= 7;
+ } while (auv);
+ buf[sizeof(buf) - 1] &= 0x7f; /* clear continue bit */
+ PUSH_GROWING_BYTES(utf8, cat, start, cur,
+ in, (buf + sizeof(buf)) - in);
+ } else if (SvPOKp(fromstr))
+ goto w_string;
+ else if (SvNOKp(fromstr)) {
+ /* 10**NV_MAX_10_EXP is the largest power of 10
+ so 10**(NV_MAX_10_EXP+1) is definitely unrepresentable
+ given 10**(NV_MAX_10_EXP+1) == 128 ** x solve for x:
+ x = (NV_MAX_10_EXP+1) * log (10) / log (128)
+ And with that many bytes only Inf can overflow.
+ Some C compilers are strict about integral constant
+ expressions so we conservatively divide by a slightly
+ smaller integer instead of multiplying by the exact
+ floating-point value.
+ */
#ifdef NV_MAX_10_EXP
- /* char buf[1 + (int)((NV_MAX_10_EXP + 1) * 0.47456)]; -- invalid C */
- char buf[1 + (int)((NV_MAX_10_EXP + 1) / 2)]; /* valid C */
+ /* char buf[1 + (int)((NV_MAX_10_EXP + 1) * 0.47456)]; -- invalid C */
+ char buf[1 + (int)((NV_MAX_10_EXP + 1) / 2)]; /* valid C */
#else
- /* char buf[1 + (int)((308 + 1) * 0.47456)]; -- invalid C */
- char buf[1 + (int)((308 + 1) / 2)]; /* valid C */
+ /* char buf[1 + (int)((308 + 1) * 0.47456)]; -- invalid C */
+ char buf[1 + (int)((308 + 1) / 2)]; /* valid C */
#endif
- char *in = buf + sizeof(buf);
-
- anv = Perl_floor(anv);
- do {
- const NV next = Perl_floor(anv / 128);
- if (in <= buf) /* this cannot happen ;-) */
- Perl_croak(aTHX_ "Cannot compress integer in pack");
- *--in = (unsigned char)(anv - (next * 128)) | 0x80;
- anv = next;
- } while (anv > 0);
- buf[sizeof(buf) - 1] &= 0x7f; /* clear continue bit */
- PUSH_GROWING_BYTES(utf8, cat, start, cur,
- in, (buf + sizeof(buf)) - in);
- } else {
- const char *from;
- char *result, *in;
- SV *norm;
- STRLEN len;
- bool done;
-
- w_string:
- /* Copy string and check for compliance */
- from = SvPV_nomg_const(fromstr, len);
- if ((norm = is_an_int(from, len)) == NULL)
- Perl_croak(aTHX_ "Can only compress unsigned integers in pack");
-
- Newx(result, len, char);
- in = result + len;
- done = FALSE;
- while (!done) *--in = div128(norm, &done) | 0x80;
- result[len - 1] &= 0x7F; /* clear continue bit */
- PUSH_GROWING_BYTES(utf8, cat, start, cur,
- in, (result + len) - in);
- Safefree(result);
- SvREFCNT_dec(norm); /* free norm */
- }
- }
- break;
- case 'i':
- case 'i' | TYPE_IS_SHRIEKING:
- while (len-- > 0) {
- int aint;
- fromstr = NEXTFROM;
- aint = SvIV_no_inf(fromstr, datumtype);
+ char *in = buf + sizeof(buf);
+
+ anv = Perl_floor(anv);
+ do {
+ const NV next = Perl_floor(anv / 128);
+ if (in <= buf) /* this cannot happen ;-) */
+ Perl_croak(aTHX_ "Cannot compress integer in pack");
+ *--in = (unsigned char)(anv - (next * 128)) | 0x80;
+ anv = next;
+ } while (anv > 0);
+ buf[sizeof(buf) - 1] &= 0x7f; /* clear continue bit */
+ PUSH_GROWING_BYTES(utf8, cat, start, cur,
+ in, (buf + sizeof(buf)) - in);
+ } else {
+ const char *from;
+ char *result, *in;
+ SV *norm;
+ STRLEN len;
+ bool done;
+
+ w_string:
+ /* Copy string and check for compliance */
+ from = SvPV_nomg_const(fromstr, len);
+ if ((norm = is_an_int(from, len)) == NULL)
+ Perl_croak(aTHX_ "Can only compress unsigned integers in pack");
+
+ Newx(result, len, char);
+ in = result + len;
+ done = FALSE;
+ while (!done) *--in = div128(norm, &done) | 0x80;
+ result[len - 1] &= 0x7F; /* clear continue bit */
+ PUSH_GROWING_BYTES(utf8, cat, start, cur,
+ in, (result + len) - in);
+ Safefree(result);
+ SvREFCNT_dec(norm); /* free norm */
+ }
+ }
+ break;
+ case 'i':
+ case 'i' | TYPE_IS_SHRIEKING:
+ while (len-- > 0) {
+ int aint;
+ fromstr = NEXTFROM;
+ aint = SvIV_no_inf(fromstr, datumtype);
PUSH_VAR(utf8, cur, aint, needs_swap);
- }
- break;
- case 'N' | TYPE_IS_SHRIEKING:
- case 'N':
- while (len-- > 0) {
- U32 au32;
- fromstr = NEXTFROM;
- au32 = SvUV_no_inf(fromstr, datumtype);
- au32 = PerlSock_htonl(au32);
+ }
+ break;
+ case 'N' | TYPE_IS_SHRIEKING:
+ case 'N':
+ while (len-- > 0) {
+ U32 au32;
+ fromstr = NEXTFROM;
+ au32 = SvUV_no_inf(fromstr, datumtype);
+ au32 = PerlSock_htonl(au32);
PUSH32(utf8, cur, &au32, FALSE);
- }
- break;
- case 'V' | TYPE_IS_SHRIEKING:
- case 'V':
- while (len-- > 0) {
- U32 au32;
- fromstr = NEXTFROM;
- au32 = SvUV_no_inf(fromstr, datumtype);
- au32 = htovl(au32);
+ }
+ break;
+ case 'V' | TYPE_IS_SHRIEKING:
+ case 'V':
+ while (len-- > 0) {
+ U32 au32;
+ fromstr = NEXTFROM;
+ au32 = SvUV_no_inf(fromstr, datumtype);
+ au32 = htovl(au32);
PUSH32(utf8, cur, &au32, FALSE);
- }
- break;
- case 'L' | TYPE_IS_SHRIEKING:
+ }
+ break;
+ case 'L' | TYPE_IS_SHRIEKING:
#if LONGSIZE != SIZE32
- while (len-- > 0) {
- unsigned long aulong;
- fromstr = NEXTFROM;
- aulong = SvUV_no_inf(fromstr, datumtype);
+ while (len-- > 0) {
+ unsigned long aulong;
+ fromstr = NEXTFROM;
+ aulong = SvUV_no_inf(fromstr, datumtype);
PUSH_VAR(utf8, cur, aulong, needs_swap);
- }
- break;
+ }
+ break;
#else
/* Fall though! */
#endif
- case 'L':
- while (len-- > 0) {
- U32 au32;
- fromstr = NEXTFROM;
- au32 = SvUV_no_inf(fromstr, datumtype);
+ case 'L':
+ while (len-- > 0) {
+ U32 au32;
+ fromstr = NEXTFROM;
+ au32 = SvUV_no_inf(fromstr, datumtype);
PUSH32(utf8, cur, &au32, needs_swap);
- }
- break;
- case 'l' | TYPE_IS_SHRIEKING:
+ }
+ break;
+ case 'l' | TYPE_IS_SHRIEKING:
#if LONGSIZE != SIZE32
- while (len-- > 0) {
- long along;
- fromstr = NEXTFROM;
- along = SvIV_no_inf(fromstr, datumtype);
+ while (len-- > 0) {
+ long along;
+ fromstr = NEXTFROM;
+ along = SvIV_no_inf(fromstr, datumtype);
PUSH_VAR(utf8, cur, along, needs_swap);
- }
- break;
+ }
+ break;
#else
/* Fall though! */
#endif
- case 'l':
+ case 'l':
while (len-- > 0) {
- I32 ai32;
- fromstr = NEXTFROM;
- ai32 = SvIV_no_inf(fromstr, datumtype);
+ I32 ai32;
+ fromstr = NEXTFROM;
+ ai32 = SvIV_no_inf(fromstr, datumtype);
PUSH32(utf8, cur, &ai32, needs_swap);
- }
- break;
+ }
+ break;
#if defined(HAS_QUAD) && IVSIZE >= 8
- case 'Q':
- while (len-- > 0) {
- Uquad_t auquad;
- fromstr = NEXTFROM;
- auquad = (Uquad_t) SvUV_no_inf(fromstr, datumtype);
+ case 'Q':
+ while (len-- > 0) {
+ Uquad_t auquad;
+ fromstr = NEXTFROM;
+ auquad = (Uquad_t) SvUV_no_inf(fromstr, datumtype);
PUSH_VAR(utf8, cur, auquad, needs_swap);
- }
- break;
- case 'q':
- while (len-- > 0) {
- Quad_t aquad;
- fromstr = NEXTFROM;
- aquad = (Quad_t)SvIV_no_inf(fromstr, datumtype);
+ }
+ break;
+ case 'q':
+ while (len-- > 0) {
+ Quad_t aquad;
+ fromstr = NEXTFROM;
+ aquad = (Quad_t)SvIV_no_inf(fromstr, datumtype);
PUSH_VAR(utf8, cur, aquad, needs_swap);
- }
- break;
+ }
+ break;
#endif
- case 'P':
- len = 1; /* assume SV is correct length */
- GROWING(utf8, cat, start, cur, sizeof(char *));
- /* FALLTHROUGH */
- case 'p':
- while (len-- > 0) {
- const char *aptr;
-
- fromstr = NEXTFROM;
- SvGETMAGIC(fromstr);
- if (!SvOK(fromstr)) aptr = NULL;
- else {
- /* XXX better yet, could spirit away the string to
- * a safe spot and hang on to it until the result
- * of pack() (and all copies of the result) are
- * gone.
- */
- if (((SvTEMP(fromstr) && SvREFCNT(fromstr) == 1)
- || (SvPADTMP(fromstr) &&
- !SvREADONLY(fromstr)))) {
- Perl_ck_warner(aTHX_ packWARN(WARN_PACK),
- "Attempt to pack pointer to temporary value");
- }
- if (SvPOK(fromstr) || SvNIOK(fromstr))
- aptr = SvPV_nomg_const_nolen(fromstr);
- else
- aptr = SvPV_force_flags_nolen(fromstr, 0);
- }
+ case 'P':
+ len = 1; /* assume SV is correct length */
+ GROWING(utf8, cat, start, cur, sizeof(char *));
+ /* FALLTHROUGH */
+ case 'p':
+ while (len-- > 0) {
+ const char *aptr;
+
+ fromstr = NEXTFROM;
+ SvGETMAGIC(fromstr);
+ if (!SvOK(fromstr)) aptr = NULL;
+ else {
+ /* XXX better yet, could spirit away the string to
+ * a safe spot and hang on to it until the result
+ * of pack() (and all copies of the result) are
+ * gone.
+ */
+ if (((SvTEMP(fromstr) && SvREFCNT(fromstr) == 1)
+ || (SvPADTMP(fromstr) &&
+ !SvREADONLY(fromstr)))) {
+ Perl_ck_warner(aTHX_ packWARN(WARN_PACK),
+ "Attempt to pack pointer to temporary value");
+ }
+ if (SvPOK(fromstr) || SvNIOK(fromstr))
+ aptr = SvPV_nomg_const_nolen(fromstr);
+ else
+ aptr = SvPV_force_flags_nolen(fromstr, 0);
+ }
PUSH_VAR(utf8, cur, aptr, needs_swap);
- }
- break;
- case 'u': {
- const char *aptr, *aend;
- bool from_utf8;
-
- fromstr = NEXTFROM;
- if (len <= 2) len = 45;
- else len = len / 3 * 3;
- if (len >= 64) {
- Perl_ck_warner(aTHX_ packWARN(WARN_PACK),
- "Field too wide in 'u' format in pack");
- len = 63;
- }
- aptr = SvPV_const(fromstr, fromlen);
- from_utf8 = DO_UTF8(fromstr);
- if (from_utf8) {
- aend = aptr + fromlen;
- fromlen = sv_len_utf8_nomg(fromstr);
- } else aend = NULL; /* Unused, but keep compilers happy */
- GROWING(utf8, cat, start, cur, (fromlen+2) / 3 * 4 + (fromlen+len-1)/len * 2);
- while (fromlen > 0) {
- U8 *end;
- SSize_t todo;
- U8 hunk[1+63/3*4+1];
-
- if ((SSize_t)fromlen > len)
- todo = len;
- else
- todo = fromlen;
- if (from_utf8) {
- char buffer[64];
- if (!S_utf8_to_bytes(aTHX_ &aptr, aend, buffer, todo,
- 'u' | TYPE_IS_PACK)) {
- *cur = '\0';
- SvCUR_set(cat, cur - start);
- Perl_croak(aTHX_ "panic: string is shorter than advertised, "
- "aptr=%p, aend=%p, buffer=%p, todo=%zd",
- aptr, aend, buffer, todo);
- }
- end = doencodes(hunk, (const U8 *)buffer, todo);
- } else {
- end = doencodes(hunk, (const U8 *)aptr, todo);
- aptr += todo;
- }
- PUSH_BYTES(utf8, cur, hunk, end-hunk, 0);
- fromlen -= todo;
- }
- break;
- }
- }
- *cur = '\0';
- SvCUR_set(cat, cur - start);
+ }
+ break;
+ case 'u': {
+ const char *aptr, *aend;
+ bool from_utf8;
+
+ fromstr = NEXTFROM;
+ if (len <= 2) len = 45;
+ else len = len / 3 * 3;
+ if (len >= 64) {
+ Perl_ck_warner(aTHX_ packWARN(WARN_PACK),
+ "Field too wide in 'u' format in pack");
+ len = 63;
+ }
+ aptr = SvPV_const(fromstr, fromlen);
+ from_utf8 = DO_UTF8(fromstr);
+ if (from_utf8) {
+ aend = aptr + fromlen;
+ fromlen = sv_len_utf8_nomg(fromstr);
+ } else aend = NULL; /* Unused, but keep compilers happy */
+ GROWING(utf8, cat, start, cur, (fromlen+2) / 3 * 4 + (fromlen+len-1)/len * 2);
+ while (fromlen > 0) {
+ U8 *end;
+ SSize_t todo;
+ U8 hunk[1+63/3*4+1];
+
+ if ((SSize_t)fromlen > len)
+ todo = len;
+ else
+ todo = fromlen;
+ if (from_utf8) {
+ char buffer[64];
+ if (!S_utf8_to_bytes(aTHX_ &aptr, aend, buffer, todo,
+ 'u' | TYPE_IS_PACK)) {
+ *cur = '\0';
+ SvCUR_set(cat, cur - start);
+ Perl_croak(aTHX_ "panic: string is shorter than advertised, "
+ "aptr=%p, aend=%p, buffer=%p, todo=%zd",
+ aptr, aend, buffer, todo);
+ }
+ end = doencodes(hunk, (const U8 *)buffer, todo);
+ } else {
+ end = doencodes(hunk, (const U8 *)aptr, todo);
+ aptr += todo;
+ }
+ PUSH_BYTES(utf8, cur, hunk, end-hunk, 0);
+ fromlen -= todo;
+ }
+ break;
+ }
+ }
+ *cur = '\0';
+ SvCUR_set(cat, cur - start);
no_change:
- *symptr = lookahead;
+ *symptr = lookahead;
}
return beglist;
}
https://perl5.git.perl.org / perl5.git / blobdiff