/* util.c
*
- * Copyright (c) 1991-1997, Larry Wall
+ * Copyright (c) 1991-1999, Larry Wall
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
*/
#include "EXTERN.h"
+#define PERL_IN_UTIL_C
#include "perl.h"
-/* XXX Configure test needed */
-#if !defined(NSIG) || defined(M_UNIX) || defined(M_XENIX) || defined(__NetBSD__)
+#if !defined(NSIG) || defined(M_UNIX) || defined(M_XENIX)
#include <signal.h>
#endif
# include <sys/wait.h>
#endif
+#ifdef I_LOCALE
+# include <locale.h>
+#endif
+
#define FLUSH
#ifdef LEAKTEST
-static void xstat _((int));
long xcount[MAXXCOUNT];
long lastxcount[MAXXCOUNT];
long xycount[MAXXCOUNT][MAXYCOUNT];
#endif
-#ifndef MYMALLOC
+#if defined(HAS_FCNTL) && defined(F_SETFD) && !defined(FD_CLOEXEC)
+# define FD_CLOEXEC 1 /* NeXT needs this */
+#endif
-/* paranoid version of malloc */
+/* paranoid version of system's malloc() */
/* NOTE: Do not call the next three routines directly. Use the macros
* in handy.h, so that we can easily redefine everything to do tracking of
*/
Malloc_t
-safemalloc(MEM_SIZE size)
+Perl_safesysmalloc(MEM_SIZE size)
{
Malloc_t ptr;
#ifdef HAS_64K_LIMIT
if (size > 0xffff) {
- PerlIO_printf(PerlIO_stderr(), "Allocation too large: %lx\n", size) FLUSH;
- my_exit(1);
+ PerlIO_printf(PerlIO_stderr(),
+ "Allocation too large: %lx\n", size) FLUSH;
+ WITH_THX(my_exit(1));
}
#endif /* HAS_64K_LIMIT */
#ifdef DEBUGGING
if ((long)size < 0)
- croak("panic: malloc");
+ Perl_croak_nocontext("panic: malloc");
#endif
ptr = PerlMem_malloc(size?size:1); /* malloc(0) is NASTY on our system */
#if !(defined(I286) || defined(atarist))
return Nullch;
else {
PerlIO_puts(PerlIO_stderr(),PL_no_mem) FLUSH;
- my_exit(1);
+ WITH_THX(my_exit(1));
return Nullch;
}
/*NOTREACHED*/
}
-/* paranoid version of realloc */
+/* paranoid version of system's realloc() */
Malloc_t
-saferealloc(Malloc_t where,MEM_SIZE size)
+Perl_safesysrealloc(Malloc_t where,MEM_SIZE size)
{
Malloc_t ptr;
#if !defined(STANDARD_C) && !defined(HAS_REALLOC_PROTOTYPE)
if (size > 0xffff) {
PerlIO_printf(PerlIO_stderr(),
"Reallocation too large: %lx\n", size) FLUSH;
- my_exit(1);
+ WITH_THX(my_exit(1));
}
#endif /* HAS_64K_LIMIT */
if (!size) {
- safefree(where);
+ safesysfree(where);
return NULL;
}
if (!where)
- return safemalloc(size);
+ return safesysmalloc(size);
#ifdef DEBUGGING
if ((long)size < 0)
- croak("panic: realloc");
+ Perl_croak_nocontext("panic: realloc");
#endif
ptr = PerlMem_realloc(where,size);
return Nullch;
else {
PerlIO_puts(PerlIO_stderr(),PL_no_mem) FLUSH;
- my_exit(1);
+ WITH_THX(my_exit(1));
return Nullch;
}
/*NOTREACHED*/
}
-/* safe version of free */
+/* safe version of system's free() */
Free_t
-safefree(Malloc_t where)
+Perl_safesysfree(Malloc_t where)
{
#if !(defined(I286) || defined(atarist))
DEBUG_m( PerlIO_printf(Perl_debug_log, "0x%x: (%05d) free\n",(char *) where,PL_an++));
}
}
-/* safe version of calloc */
+/* safe version of system's calloc() */
Malloc_t
-safecalloc(MEM_SIZE count, MEM_SIZE size)
+Perl_safesyscalloc(MEM_SIZE count, MEM_SIZE size)
{
Malloc_t ptr;
if (size * count > 0xffff) {
PerlIO_printf(PerlIO_stderr(),
"Allocation too large: %lx\n", size * count) FLUSH;
- my_exit(1);
+ WITH_THX(my_exit(1));
}
#endif /* HAS_64K_LIMIT */
#ifdef DEBUGGING
if ((long)size < 0 || (long)count < 0)
- croak("panic: calloc");
+ Perl_croak_nocontext("panic: calloc");
#endif
size *= count;
ptr = PerlMem_malloc(size?size:1); /* malloc(0) is NASTY on our system */
return Nullch;
else {
PerlIO_puts(PerlIO_stderr(),PL_no_mem) FLUSH;
- my_exit(1);
+ WITH_THX(my_exit(1));
return Nullch;
}
/*NOTREACHED*/
}
-#endif /* !MYMALLOC */
-
#ifdef LEAKTEST
struct mem_test_strut {
: ((size) - 1)/4))
Malloc_t
-safexmalloc(I32 x, MEM_SIZE size)
+Perl_safexmalloc(I32 x, MEM_SIZE size)
{
register char* where = (char*)safemalloc(size + ALIGN);
}
Malloc_t
-safexrealloc(Malloc_t wh, MEM_SIZE size)
+Perl_safexrealloc(Malloc_t wh, MEM_SIZE size)
{
char *where = (char*)wh;
}
void
-safexfree(Malloc_t wh)
+Perl_safexfree(Malloc_t wh)
{
I32 x;
char *where = (char*)wh;
}
Malloc_t
-safexcalloc(I32 x,MEM_SIZE count, MEM_SIZE size)
+Perl_safexcalloc(I32 x,MEM_SIZE count, MEM_SIZE size)
{
register char * where = (char*)safexmalloc(x, size * count + ALIGN);
xcount[x] += size;
return (Malloc_t)(where + ALIGN);
}
-static void
-xstat(int flag)
+STATIC void
+S_xstat(pTHX_ int flag)
{
register I32 i, j, total = 0;
I32 subtot[MAXYCOUNT];
/* copy a string up to some (non-backslashed) delimiter, if any */
char *
-delimcpy(register char *to, register char *toend, register char *from, register char *fromend, register int delim, I32 *retlen)
+Perl_delimcpy(pTHX_ register char *to, register char *toend, register char *from, register char *fromend, register int delim, I32 *retlen)
{
register I32 tolen;
for (tolen = 0; from < fromend; from++, tolen++) {
/* This routine was donated by Corey Satten. */
char *
-instr(register char *big, register char *little)
+Perl_instr(pTHX_ register const char *big, register const char *little)
{
- register char *s, *x;
+ register const char *s, *x;
register I32 first;
if (!little)
- return big;
+ return (char*)big;
first = *little++;
if (!first)
- return big;
+ return (char*)big;
while (*big) {
if (*big++ != first)
continue;
}
}
if (!*s)
- return big-1;
+ return (char*)(big-1);
}
return Nullch;
}
/* same as instr but allow embedded nulls */
char *
-ninstr(register char *big, register char *bigend, char *little, char *lend)
+Perl_ninstr(pTHX_ register const char *big, register const char *bigend, const char *little, const char *lend)
{
- register char *s, *x;
+ register const char *s, *x;
register I32 first = *little;
- register char *littleend = lend;
+ register const char *littleend = lend;
if (!first && little >= littleend)
- return big;
+ return (char*)big;
if (bigend - big < littleend - little)
return Nullch;
bigend -= littleend - little++;
}
}
if (s >= littleend)
- return big-1;
+ return (char*)(big-1);
}
return Nullch;
}
/* reverse of the above--find last substring */
char *
-rninstr(register char *big, char *bigend, char *little, char *lend)
+Perl_rninstr(pTHX_ register const char *big, const char *bigend, const char *little, const char *lend)
{
- register char *bigbeg;
- register char *s, *x;
+ register const char *bigbeg;
+ register const char *s, *x;
register I32 first = *little;
- register char *littleend = lend;
+ register const char *littleend = lend;
if (!first && little >= littleend)
- return bigend;
+ return (char*)bigend;
bigbeg = big;
big = bigend - (littleend - little++);
while (big >= bigbeg) {
}
}
if (s >= littleend)
- return big+1;
+ return (char*)(big+1);
}
return Nullch;
}
* Set up for a new ctype locale.
*/
void
-perl_new_ctype(char *newctype)
+Perl_new_ctype(pTHX_ const char *newctype)
{
#ifdef USE_LOCALE_CTYPE
* Set up for a new collation locale.
*/
void
-perl_new_collate(char *newcoll)
+Perl_new_collate(pTHX_ const char *newcoll)
{
#ifdef USE_LOCALE_COLLATE
Size_t fb = strxfrm(xbuf, "ab", XFRMBUFSIZE);
SSize_t mult = fb - fa;
if (mult < 1)
- croak("strxfrm() gets absurd");
+ Perl_croak(aTHX_ "strxfrm() gets absurd");
PL_collxfrm_base = (fa > mult) ? (fa - mult) : 0;
PL_collxfrm_mult = mult;
}
#endif /* USE_LOCALE_COLLATE */
}
+void
+Perl_set_numeric_radix(pTHX)
+{
+#ifdef USE_LOCALE_NUMERIC
+# ifdef HAS_LOCALECONV
+ struct lconv* lc;
+
+ lc = localeconv();
+ if (lc && lc->decimal_point)
+ /* We assume that decimal separator aka the radix
+ * character is always a single character. If it
+ * ever is a string, this needs to be rethunk. */
+ PL_numeric_radix = *lc->decimal_point;
+ else
+ PL_numeric_radix = 0;
+# endif /* HAS_LOCALECONV */
+#else
+ PL_numeric_radix = 0;
+#endif /* USE_LOCALE_NUMERIC */
+}
+
/*
* Set up for a new numeric locale.
*/
void
-perl_new_numeric(char *newnum)
+Perl_new_numeric(pTHX_ const char *newnum)
{
#ifdef USE_LOCALE_NUMERIC
PL_numeric_name = savepv(newnum);
PL_numeric_standard = (strEQ(newnum, "C") || strEQ(newnum, "POSIX"));
PL_numeric_local = TRUE;
+ set_numeric_radix();
}
#endif /* USE_LOCALE_NUMERIC */
}
void
-perl_set_numeric_standard(void)
+Perl_set_numeric_standard(pTHX)
{
#ifdef USE_LOCALE_NUMERIC
}
void
-perl_set_numeric_local(void)
+Perl_set_numeric_local(pTHX)
{
#ifdef USE_LOCALE_NUMERIC
setlocale(LC_NUMERIC, PL_numeric_name);
PL_numeric_standard = FALSE;
PL_numeric_local = TRUE;
+ set_numeric_radix();
}
#endif /* USE_LOCALE_NUMERIC */
}
-
/*
* Initialize locale awareness.
*/
int
-perl_init_i18nl10n(int printwarn)
+Perl_init_i18nl10n(pTHX_ int printwarn)
{
int ok = 1;
/* returns
#ifdef USE_LOCALE_NUMERIC
char *curnum = NULL;
#endif /* USE_LOCALE_NUMERIC */
+#ifdef __GLIBC__
+ char *language = PerlEnv_getenv("LANGUAGE");
+#endif
char *lc_all = PerlEnv_getenv("LC_ALL");
char *lang = PerlEnv_getenv("LANG");
bool setlocale_failure = FALSE;
PerlIO_printf(PerlIO_stderr(),
"perl: warning: Please check that your locale settings:\n");
+#ifdef __GLIBC__
+ PerlIO_printf(PerlIO_stderr(),
+ "\tLANGUAGE = %c%s%c,\n",
+ language ? '"' : '(',
+ language ? language : "unset",
+ language ? '"' : ')');
+#endif
+
PerlIO_printf(PerlIO_stderr(),
"\tLC_ALL = %c%s%c,\n",
lc_all ? '"' : '(',
}
#ifdef USE_LOCALE_CTYPE
- perl_new_ctype(curctype);
+ new_ctype(curctype);
#endif /* USE_LOCALE_CTYPE */
#ifdef USE_LOCALE_COLLATE
- perl_new_collate(curcoll);
+ new_collate(curcoll);
#endif /* USE_LOCALE_COLLATE */
#ifdef USE_LOCALE_NUMERIC
- perl_new_numeric(curnum);
+ new_numeric(curnum);
#endif /* USE_LOCALE_NUMERIC */
#endif /* USE_LOCALE */
/* Backwards compatibility. */
int
-perl_init_i18nl14n(int printwarn)
+Perl_init_i18nl14n(pTHX_ int printwarn)
{
- return perl_init_i18nl10n(printwarn);
+ return init_i18nl10n(printwarn);
}
#ifdef USE_LOCALE_COLLATE
* Please see sv_collxfrm() to see how this is used.
*/
char *
-mem_collxfrm(const char *s, STRLEN len, STRLEN *xlen)
+Perl_mem_collxfrm(pTHX_ const char *s, STRLEN len, STRLEN *xlen)
{
char *xbuf;
STRLEN xAlloc, xin, xout; /* xalloc is a reserved word in VC */
#endif /* USE_LOCALE_COLLATE */
+#define FBM_TABLE_OFFSET 2 /* Number of bytes between EOS and table*/
+
+/* As a space optimization, we do not compile tables for strings of length
+ 0 and 1, and for strings of length 2 unless FBMcf_TAIL. These are
+ special-cased in fbm_instr().
+
+ If FBMcf_TAIL, the table is created as if the string has a trailing \n. */
+
void
-fbm_compile(SV *sv, U32 flags /* not used yet */)
+Perl_fbm_compile(pTHX_ SV *sv, U32 flags /* not used yet */)
{
register U8 *s;
register U8 *table;
I32 rarest = 0;
U32 frequency = 256;
+ if (flags & FBMcf_TAIL)
+ sv_catpvn(sv, "\n", 1); /* Taken into account in fbm_instr() */
s = (U8*)SvPV_force(sv, len);
(void)SvUPGRADE(sv, SVt_PVBM);
- if (len > 255 || len == 0) /* TAIL might be on on a zero-length string. */
- return; /* can't have offsets that big */
+ if (len == 0) /* TAIL might be on on a zero-length string. */
+ return;
if (len > 2) {
- Sv_Grow(sv,len + 258);
- table = (unsigned char*)(SvPVX(sv) + len + 1);
- s = table - 2;
+ I32 mlen = len;
+ unsigned char *sb;
+
+ if (mlen > 255)
+ mlen = 255;
+ Sv_Grow(sv,len + 256 + FBM_TABLE_OFFSET);
+ table = (unsigned char*)(SvPVX(sv) + len + FBM_TABLE_OFFSET);
+ s = table - 1 - FBM_TABLE_OFFSET; /* Last char */
for (i = 0; i < 256; i++) {
- table[i] = len;
+ table[i] = mlen;
}
+ table[-1] = flags; /* Not used yet */
i = 0;
- while (s >= (unsigned char*)(SvPVX(sv)))
- {
- if (table[*s] == len)
- table[*s] = i;
- s--,i++;
- }
+ sb = s - mlen;
+ while (s >= sb) {
+ if (table[*s] == mlen)
+ table[*s] = i;
+ s--, i++;
+ }
}
sv_magic(sv, Nullsv, 'B', Nullch, 0); /* deep magic */
SvVALID_on(sv);
}
BmRARE(sv) = s[rarest];
BmPREVIOUS(sv) = rarest;
+ BmUSEFUL(sv) = 100; /* Initial value */
+ if (flags & FBMcf_TAIL)
+ SvTAIL_on(sv);
DEBUG_r(PerlIO_printf(Perl_debug_log, "rarest char %c at %d\n",BmRARE(sv),BmPREVIOUS(sv)));
}
+/* If SvTAIL(littlestr), it has a fake '\n' at end. */
+/* If SvTAIL is actually due to \Z or \z, this gives false positives
+ if multiline */
+
char *
-fbm_instr(unsigned char *big, register unsigned char *bigend, SV *littlestr, U32 flags)
+Perl_fbm_instr(pTHX_ unsigned char *big, register unsigned char *bigend, SV *littlestr, U32 flags)
{
register unsigned char *s;
- register I32 tmp;
- register I32 littlelen;
- register unsigned char *little;
- register unsigned char *table;
- register unsigned char *olds;
- register unsigned char *oldlittle;
+ STRLEN l;
+ register unsigned char *little = (unsigned char *)SvPV(littlestr,l);
+ register STRLEN littlelen = l;
+ register I32 multiline = flags & FBMrf_MULTILINE;
+
+ if (bigend - big < littlelen) {
+ check_tail:
+ if ( SvTAIL(littlestr)
+ && (bigend - big == littlelen - 1)
+ && (littlelen == 1
+ || *big == *little && memEQ(big, little, littlelen - 1)))
+ return (char*)big;
+ return Nullch;
+ }
- if (SvTYPE(littlestr) != SVt_PVBM || !SvVALID(littlestr)) {
- STRLEN len;
- char *l = SvPV(littlestr,len);
- if (!len) {
- if (SvTAIL(littlestr)) { /* Can be only 0-len constant
- substr => we can ignore SvVALID */
- if (PL_multiline) {
- char *t = "\n";
- if ((s = (unsigned char*)ninstr((char*)big, (char*)bigend,
- t, t + len))) {
- return (char*)s;
+ if (littlelen <= 2) { /* Special-cased */
+ register char c;
+
+ if (littlelen == 1) {
+ if (SvTAIL(littlestr) && !multiline) { /* Anchor only! */
+ /* Know that bigend != big. */
+ if (bigend[-1] == '\n')
+ return (char *)(bigend - 1);
+ return (char *) bigend;
+ }
+ s = big;
+ while (s < bigend) {
+ if (*s == *little)
+ return (char *)s;
+ s++;
+ }
+ if (SvTAIL(littlestr))
+ return (char *) bigend;
+ return Nullch;
+ }
+ if (!littlelen)
+ return (char*)big; /* Cannot be SvTAIL! */
+
+ /* littlelen is 2 */
+ if (SvTAIL(littlestr) && !multiline) {
+ if (bigend[-1] == '\n' && bigend[-2] == *little)
+ return (char*)bigend - 2;
+ if (bigend[-1] == *little)
+ return (char*)bigend - 1;
+ return Nullch;
+ }
+ {
+ /* This should be better than FBM if c1 == c2, and almost
+ as good otherwise: maybe better since we do less indirection.
+ And we save a lot of memory by caching no table. */
+ register unsigned char c1 = little[0];
+ register unsigned char c2 = little[1];
+
+ s = big + 1;
+ bigend--;
+ if (c1 != c2) {
+ while (s <= bigend) {
+ if (s[0] == c2) {
+ if (s[-1] == c1)
+ return (char*)s - 1;
+ s += 2;
+ continue;
+ }
+ next_chars:
+ if (s[0] == c1) {
+ if (s == bigend)
+ goto check_1char_anchor;
+ if (s[1] == c2)
+ return (char*)s;
+ else {
+ s++;
+ goto next_chars;
+ }
}
+ else
+ s += 2;
+ }
+ goto check_1char_anchor;
+ }
+ /* Now c1 == c2 */
+ while (s <= bigend) {
+ if (s[0] == c1) {
+ if (s[-1] == c1)
+ return (char*)s - 1;
+ if (s == bigend)
+ goto check_1char_anchor;
+ if (s[1] == c1)
+ return (char*)s;
+ s += 3;
}
- if (bigend > big && bigend[-1] == '\n')
- return (char *)(bigend - 1);
else
- return (char *) bigend;
+ s += 2;
}
- return (char*)big;
}
- return ninstr((char*)big,(char*)bigend, l, l + len);
+ check_1char_anchor: /* One char and anchor! */
+ if (SvTAIL(littlestr) && (*bigend == *little))
+ return (char *)bigend; /* bigend is already decremented. */
+ return Nullch;
}
-
- littlelen = SvCUR(littlestr);
- if (SvTAIL(littlestr) && !PL_multiline) { /* tail anchored? */
- if (littlelen > bigend - big)
- return Nullch;
- little = (unsigned char*)SvPVX(littlestr);
+ if (SvTAIL(littlestr) && !multiline) { /* tail anchored? */
s = bigend - littlelen;
- if (s > big
+ if (s >= big
&& bigend[-1] == '\n'
- && s[-1] == *little && memEQ((char*)s - 1,(char*)little,littlelen))
- return (char*)s - 1; /* how sweet it is */
- else if (*s == *little && memEQ((char*)s,(char*)little,littlelen))
+ && *s == *little
+ /* Automatically of length > 2 */
+ && memEQ((char*)s + 1, (char*)little + 1, littlelen - 2))
return (char*)s; /* how sweet it is */
+ if (s[1] == *little && memEQ((char*)s + 2,(char*)little + 1,
+ littlelen - 2))
+ return (char*)s + 1; /* how sweet it is */
return Nullch;
}
- if (littlelen <= 2) {
- unsigned char c1 = (unsigned char)SvPVX(littlestr)[0];
- unsigned char c2 = (unsigned char)SvPVX(littlestr)[1];
- /* This may do extra comparisons if littlelen == 2, but this
- should be hidden in the noise since we do less indirection. */
-
- s = big;
- bigend -= littlelen;
- while (s <= bigend) {
- if (s[0] == c1
- && (littlelen == 1 || s[1] == c2)
- && (!SvTAIL(littlestr)
- || s == bigend
- || s[littlelen] == '\n')) /* Automatically multiline */
- {
+ if (SvTYPE(littlestr) != SVt_PVBM || !SvVALID(littlestr)) {
+ char *b = ninstr((char*)big,(char*)bigend,
+ (char*)little, (char*)little + littlelen);
+
+ if (!b && SvTAIL(littlestr)) { /* Automatically multiline! */
+ /* Chop \n from littlestr: */
+ s = bigend - littlelen + 1;
+ if (*s == *little && memEQ((char*)s + 1, (char*)little + 1,
+ littlelen - 2))
return (char*)s;
- }
- s++;
+ return Nullch;
}
- return Nullch;
+ return b;
}
- table = (unsigned char*)(SvPVX(littlestr) + littlelen + 1);
- if (--littlelen >= bigend - big)
- return Nullch;
- s = big + littlelen;
- oldlittle = little = table - 2;
- if (s < bigend) {
- top2:
- /*SUPPRESS 560*/
- if (tmp = table[*s]) {
+
+ { /* Do actual FBM. */
+ register unsigned char *table = little + littlelen + FBM_TABLE_OFFSET;
+ register unsigned char *oldlittle;
+
+ if (littlelen > bigend - big)
+ return Nullch;
+ --littlelen; /* Last char found by table lookup */
+
+ s = big + littlelen;
+ little += littlelen; /* last char */
+ oldlittle = little;
+ if (s < bigend) {
+ register I32 tmp;
+
+ top2:
+ /*SUPPRESS 560*/
+ if (tmp = table[*s]) {
#ifdef POINTERRIGOR
- if (bigend - s > tmp) {
+ if (bigend - s > tmp) {
+ s += tmp;
+ goto top2;
+ }
s += tmp;
- goto top2;
- }
#else
- if ((s += tmp) < bigend)
- goto top2;
-#endif
- return Nullch;
- }
- else {
- tmp = littlelen; /* less expensive than calling strncmp() */
- olds = s;
- while (tmp--) {
- if (*--s == *--little)
- continue;
- differ:
- s = olds + 1; /* here we pay the price for failure */
- little = oldlittle;
- if (s < bigend) /* fake up continue to outer loop */
+ if ((s += tmp) < bigend)
goto top2;
- return Nullch;
+#endif
+ goto check_end;
+ }
+ else { /* less expensive than calling strncmp() */
+ register unsigned char *olds = s;
+
+ tmp = littlelen;
+
+ while (tmp--) {
+ if (*--s == *--little)
+ continue;
+ differ:
+ s = olds + 1; /* here we pay the price for failure */
+ little = oldlittle;
+ if (s < bigend) /* fake up continue to outer loop */
+ goto top2;
+ goto check_end;
+ }
+ return (char *)s;
}
- if (SvTAIL(littlestr) /* automatically multiline */
- && olds + 1 != bigend
- && olds[1] != '\n')
- goto differ;
- return (char *)s;
}
+ check_end:
+ if ( s == bigend && (table[-1] & FBMcf_TAIL)
+ && memEQ(bigend - littlelen, oldlittle - littlelen, littlelen) )
+ return (char*)bigend - littlelen;
+ return Nullch;
}
- return Nullch;
}
/* start_shift, end_shift are positive quantities which give offsets
old_posp is the way of communication between consequent calls if
the next call needs to find the .
The initial *old_posp should be -1.
- Note that we do not take into account SvTAIL, so it may give wrong
- positives if _ALL flag is set.
+
+ Note that we take into account SvTAIL, so one can get extra
+ optimizations if _ALL flag is set.
*/
+/* If SvTAIL is actually due to \Z or \z, this gives false positives
+ if PL_multiline. In fact if !PL_multiline the autoritative answer
+ is not supported yet. */
+
char *
-screaminstr(SV *bigstr, SV *littlestr, I32 start_shift, I32 end_shift, I32 *old_posp, I32 last)
+Perl_screaminstr(pTHX_ SV *bigstr, SV *littlestr, I32 start_shift, I32 end_shift, I32 *old_posp, I32 last)
{
dTHR;
register unsigned char *s, *x;
if (*old_posp == -1
? (pos = PL_screamfirst[BmRARE(littlestr)]) < 0
- : (((pos = *old_posp), pos += PL_screamnext[pos]) == 0))
+ : (((pos = *old_posp), pos += PL_screamnext[pos]) == 0)) {
+ cant_find:
+ if ( BmRARE(littlestr) == '\n'
+ && BmPREVIOUS(littlestr) == SvCUR(littlestr) - 1) {
+ little = (unsigned char *)(SvPVX(littlestr));
+ littleend = little + SvCUR(littlestr);
+ first = *little++;
+ goto check_tail;
+ }
return Nullch;
+ }
+
little = (unsigned char *)(SvPVX(littlestr));
littleend = little + SvCUR(littlestr);
first = *little++;
big = (unsigned char *)(SvPVX(bigstr));
/* The value of pos we can stop at: */
stop_pos = SvCUR(bigstr) - end_shift - (SvCUR(littlestr) - 1 - previous);
- if (previous + start_shift > stop_pos) return Nullch;
+ if (previous + start_shift > stop_pos) {
+ if (previous + start_shift == stop_pos + 1) /* A fake '\n'? */
+ goto check_tail;
+ return Nullch;
+ }
while (pos < previous + start_shift) {
if (!(pos += PL_screamnext[pos]))
- return Nullch;
+ goto cant_find;
}
#ifdef POINTERRIGOR
do {
found = 1;
}
} while ( pos += PL_screamnext[pos] );
- return (last && found) ? (char *)(big+(*old_posp)) : Nullch;
+ if (last && found)
+ return (char *)(big+(*old_posp));
#endif /* POINTERRIGOR */
+ check_tail:
+ if (!SvTAIL(littlestr) || (end_shift > 0))
+ return Nullch;
+ /* Ignore the trailing "\n". This code is not microoptimized */
+ big = (unsigned char *)(SvPVX(bigstr) + SvCUR(bigstr));
+ stop_pos = littleend - little; /* Actual littlestr len */
+ if (stop_pos == 0)
+ return (char*)big;
+ big -= stop_pos;
+ if (*big == first
+ && ((stop_pos == 1) || memEQ(big + 1, little, stop_pos - 1)))
+ return (char*)big;
+ return Nullch;
}
I32
-ibcmp(char *s1, char *s2, register I32 len)
+Perl_ibcmp(pTHX_ const char *s1, const char *s2, register I32 len)
{
register U8 *a = (U8 *)s1;
register U8 *b = (U8 *)s2;
}
I32
-ibcmp_locale(char *s1, char *s2, register I32 len)
+Perl_ibcmp_locale(pTHX_ const char *s1, const char *s2, register I32 len)
{
register U8 *a = (U8 *)s1;
register U8 *b = (U8 *)s2;
/* copy a string to a safe spot */
char *
-savepv(char *sv)
+Perl_savepv(pTHX_ const char *sv)
{
register char *newaddr;
/* same thing but with a known length */
char *
-savepvn(char *sv, register I32 len)
+Perl_savepvn(pTHX_ const char *sv, register I32 len)
{
register char *newaddr;
return newaddr;
}
-/* the SV for form() and mess() is not kept in an arena */
+/* the SV for Perl_form() and mess() is not kept in an arena */
STATIC SV *
-mess_alloc(void)
+S_mess_alloc(pTHX)
{
dTHR;
SV *sv;
return sv;
}
+#if defined(PERL_IMPLICIT_CONTEXT)
char *
-form(const char* pat, ...)
+Perl_form_nocontext(const char* pat, ...)
{
- SV *sv = mess_alloc();
+ dTHX;
+ char *retval;
va_list args;
va_start(args, pat);
- sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*));
+ retval = vform(pat, &args);
va_end(args);
- return SvPVX(sv);
+ return retval;
}
+#endif /* PERL_IMPLICIT_CONTEXT */
char *
-mess(const char *pat, va_list *args)
+Perl_form(pTHX_ const char* pat, ...)
+{
+ char *retval;
+ va_list args;
+ va_start(args, pat);
+ retval = vform(pat, &args);
+ va_end(args);
+ return retval;
+}
+
+char *
+Perl_vform(pTHX_ const char *pat, va_list *args)
+{
+ SV *sv = mess_alloc();
+ sv_vsetpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*));
+ return SvPVX(sv);
+}
+
+SV *
+Perl_mess(pTHX_ const char *pat, va_list *args)
{
SV *sv = mess_alloc();
static char dgd[] = " during global destruction.\n";
sv_vsetpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*));
if (!SvCUR(sv) || *(SvEND(sv) - 1) != '\n') {
dTHR;
- if (PL_dirty)
- sv_catpv(sv, dgd);
- else {
- if (PL_curcop->cop_line)
- sv_catpvf(sv, " at %_ line %ld",
- GvSV(PL_curcop->cop_filegv), (long)PL_curcop->cop_line);
- if (GvIO(PL_last_in_gv) && IoLINES(GvIOp(PL_last_in_gv))) {
- bool line_mode = (RsSIMPLE(PL_rs) &&
- SvLEN(PL_rs) == 1 && *SvPVX(PL_rs) == '\n');
- sv_catpvf(sv, ", <%s> %s %ld",
- PL_last_in_gv == PL_argvgv ? "" : GvNAME(PL_last_in_gv),
- line_mode ? "line" : "chunk",
- (long)IoLINES(GvIOp(PL_last_in_gv)));
- }
- sv_catpv(sv, ".\n");
+ if (PL_curcop->cop_line)
+ Perl_sv_catpvf(aTHX_ sv, " at %_ line %ld",
+ GvSV(PL_curcop->cop_filegv), (long)PL_curcop->cop_line);
+ if (GvIO(PL_last_in_gv) && IoLINES(GvIOp(PL_last_in_gv))) {
+ bool line_mode = (RsSIMPLE(PL_rs) &&
+ SvCUR(PL_rs) == 1 && *SvPVX(PL_rs) == '\n');
+ Perl_sv_catpvf(aTHX_ sv, ", <%s> %s %ld",
+ PL_last_in_gv == PL_argvgv ? "" : GvNAME(PL_last_in_gv),
+ line_mode ? "line" : "chunk",
+ (long)IoLINES(GvIOp(PL_last_in_gv)));
}
+#ifdef USE_THREADS
+ if (thr->tid)
+ Perl_sv_catpvf(aTHX_ sv, " thread %ld", thr->tid);
+#endif
+ sv_catpv(sv, PL_dirty ? dgd : ".\n");
}
- return SvPVX(sv);
+ return sv;
}
OP *
-die(const char* pat, ...)
+Perl_vdie(pTHX_ const char* pat, va_list *args)
{
dTHR;
- va_list args;
char *message;
int was_in_eval = PL_in_eval;
HV *stash;
GV *gv;
CV *cv;
+ SV *msv;
+ STRLEN msglen;
DEBUG_S(PerlIO_printf(PerlIO_stderr(),
"%p: die: curstack = %p, mainstack = %p\n",
thr, PL_curstack, PL_mainstack));
- va_start(args, pat);
- message = pat ? mess(pat, &args) : Nullch;
- va_end(args);
+ if (pat) {
+ msv = mess(pat, args);
+ message = SvPV(msv,msglen);
+ }
+ else {
+ message = Nullch;
+ }
DEBUG_S(PerlIO_printf(PerlIO_stderr(),
"%p: die: message = %s\ndiehook = %p\n",
thr, message, PL_diehook));
if (PL_diehook) {
- /* sv_2cv might call croak() */
+ /* sv_2cv might call Perl_croak() */
SV *olddiehook = PL_diehook;
ENTER;
SAVESPTR(PL_diehook);
SV *msg;
ENTER;
- if(message) {
- msg = newSVpv(message, 0);
+ if (message) {
+ msg = newSVpvn(message, msglen);
SvREADONLY_on(msg);
SAVEFREESV(msg);
}
PUSHMARK(SP);
XPUSHs(msg);
PUTBACK;
- perl_call_sv((SV*)cv, G_DISCARD);
+ call_sv((SV*)cv, G_DISCARD);
POPSTACK;
LEAVE;
}
}
- PL_restartop = die_where(message);
+ PL_restartop = die_where(message, msglen);
DEBUG_S(PerlIO_printf(PerlIO_stderr(),
"%p: die: restartop = %p, was_in_eval = %d, top_env = %p\n",
thr, PL_restartop, was_in_eval, PL_top_env));
return PL_restartop;
}
+#if defined(PERL_IMPLICIT_CONTEXT)
+OP *
+Perl_die_nocontext(const char* pat, ...)
+{
+ dTHX;
+ OP *o;
+ va_list args;
+ va_start(args, pat);
+ o = vdie(pat, &args);
+ va_end(args);
+ return o;
+}
+#endif /* PERL_IMPLICIT_CONTEXT */
+
+OP *
+Perl_die(pTHX_ const char* pat, ...)
+{
+ OP *o;
+ va_list args;
+ va_start(args, pat);
+ o = vdie(pat, &args);
+ va_end(args);
+ return o;
+}
+
void
-croak(const char* pat, ...)
+Perl_vcroak(pTHX_ const char* pat, va_list *args)
{
dTHR;
- va_list args;
char *message;
HV *stash;
GV *gv;
CV *cv;
+ SV *msv;
+ STRLEN msglen;
- va_start(args, pat);
- message = mess(pat, &args);
- va_end(args);
+ msv = mess(pat, args);
+ message = SvPV(msv,msglen);
DEBUG_S(PerlIO_printf(PerlIO_stderr(), "croak: 0x%lx %s", (unsigned long) thr, message));
if (PL_diehook) {
- /* sv_2cv might call croak() */
+ /* sv_2cv might call Perl_croak() */
SV *olddiehook = PL_diehook;
ENTER;
SAVESPTR(PL_diehook);
SV *msg;
ENTER;
- msg = newSVpv(message, 0);
+ msg = newSVpvn(message, msglen);
SvREADONLY_on(msg);
SAVEFREESV(msg);
PUSHMARK(SP);
XPUSHs(msg);
PUTBACK;
- perl_call_sv((SV*)cv, G_DISCARD);
+ call_sv((SV*)cv, G_DISCARD);
POPSTACK;
LEAVE;
}
}
if (PL_in_eval) {
- PL_restartop = die_where(message);
+ PL_restartop = die_where(message, msglen);
JMPENV_JUMP(3);
}
- PerlIO_puts(PerlIO_stderr(),message);
- (void)PerlIO_flush(PerlIO_stderr());
+ {
+#ifdef USE_SFIO
+ /* SFIO can really mess with your errno */
+ int e = errno;
+#endif
+ PerlIO_write(PerlIO_stderr(), message, msglen);
+ (void)PerlIO_flush(PerlIO_stderr());
+#ifdef USE_SFIO
+ errno = e;
+#endif
+ }
my_failure_exit();
}
+#if defined(PERL_IMPLICIT_CONTEXT)
void
-warn(const char* pat,...)
+Perl_croak_nocontext(const char *pat, ...)
{
+ dTHX;
va_list args;
+ va_start(args, pat);
+ vcroak(pat, &args);
+ /* NOTREACHED */
+ va_end(args);
+}
+#endif /* PERL_IMPLICIT_CONTEXT */
+
+void
+Perl_croak(pTHX_ const char *pat, ...)
+{
+ va_list args;
+ va_start(args, pat);
+ vcroak(pat, &args);
+ /* NOTREACHED */
+ va_end(args);
+}
+
+void
+Perl_vwarn(pTHX_ const char* pat, va_list *args)
+{
char *message;
HV *stash;
GV *gv;
CV *cv;
+ SV *msv;
+ STRLEN msglen;
- va_start(args, pat);
- message = mess(pat, &args);
- va_end(args);
+ msv = mess(pat, args);
+ message = SvPV(msv, msglen);
if (PL_warnhook) {
- /* sv_2cv might call warn() */
+ /* sv_2cv might call Perl_warn() */
dTHR;
SV *oldwarnhook = PL_warnhook;
ENTER;
SV *msg;
ENTER;
- msg = newSVpv(message, 0);
+ msg = newSVpvn(message, msglen);
SvREADONLY_on(msg);
SAVEFREESV(msg);
PUSHMARK(SP);
XPUSHs(msg);
PUTBACK;
- perl_call_sv((SV*)cv, G_DISCARD);
+ call_sv((SV*)cv, G_DISCARD);
POPSTACK;
LEAVE;
return;
}
}
- PerlIO_puts(PerlIO_stderr(),message);
+ PerlIO_write(PerlIO_stderr(), message, msglen);
#ifdef LEAKTEST
DEBUG_L(*message == '!'
? (xstat(message[1]=='!'
(void)PerlIO_flush(PerlIO_stderr());
}
+#if defined(PERL_IMPLICIT_CONTEXT)
void
-warner(U32 err, const char* pat,...)
+Perl_warn_nocontext(const char *pat, ...)
{
- dTHR;
+ dTHX;
va_list args;
+ va_start(args, pat);
+ vwarn(pat, &args);
+ va_end(args);
+}
+#endif /* PERL_IMPLICIT_CONTEXT */
+
+void
+Perl_warn(pTHX_ const char *pat, ...)
+{
+ va_list args;
+ va_start(args, pat);
+ vwarn(pat, &args);
+ va_end(args);
+}
+
+#if defined(PERL_IMPLICIT_CONTEXT)
+void
+Perl_warner_nocontext(U32 err, const char *pat, ...)
+{
+ dTHX;
+ va_list args;
+ va_start(args, pat);
+ vwarner(err, pat, &args);
+ va_end(args);
+}
+#endif /* PERL_IMPLICIT_CONTEXT */
+
+void
+Perl_warner(pTHX_ U32 err, const char* pat,...)
+{
+ va_list args;
+ va_start(args, pat);
+ vwarner(err, pat, &args);
+ va_end(args);
+}
+
+void
+Perl_vwarner(pTHX_ U32 err, const char* pat, va_list* args)
+{
+ dTHR;
char *message;
HV *stash;
GV *gv;
CV *cv;
+ SV *msv;
+ STRLEN msglen;
- va_start(args, pat);
- message = mess(pat, &args);
- va_end(args);
+ msv = mess(pat, args);
+ message = SvPV(msv, msglen);
if (ckDEAD(err)) {
#ifdef USE_THREADS
DEBUG_S(PerlIO_printf(PerlIO_stderr(), "croak: 0x%lx %s", (unsigned long) thr, message));
#endif /* USE_THREADS */
if (PL_diehook) {
- /* sv_2cv might call croak() */
+ /* sv_2cv might call Perl_croak() */
SV *olddiehook = PL_diehook;
ENTER;
SAVESPTR(PL_diehook);
SV *msg;
ENTER;
- msg = newSVpv(message, 0);
+ msg = newSVpvn(message, msglen);
SvREADONLY_on(msg);
SAVEFREESV(msg);
PUSHMARK(sp);
XPUSHs(msg);
PUTBACK;
- perl_call_sv((SV*)cv, G_DISCARD);
+ call_sv((SV*)cv, G_DISCARD);
LEAVE;
}
}
if (PL_in_eval) {
- PL_restartop = die_where(message);
+ PL_restartop = die_where(message, msglen);
JMPENV_JUMP(3);
}
- PerlIO_puts(PerlIO_stderr(),message);
+ PerlIO_write(PerlIO_stderr(), message, msglen);
(void)PerlIO_flush(PerlIO_stderr());
my_failure_exit();
}
else {
if (PL_warnhook) {
- /* sv_2cv might call warn() */
+ /* sv_2cv might call Perl_warn() */
dTHR;
SV *oldwarnhook = PL_warnhook;
ENTER;
SV *msg;
ENTER;
- msg = newSVpv(message, 0);
+ msg = newSVpvn(message, msglen);
SvREADONLY_on(msg);
SAVEFREESV(msg);
PUSHMARK(sp);
XPUSHs(msg);
PUTBACK;
- perl_call_sv((SV*)cv, G_DISCARD);
+ call_sv((SV*)cv, G_DISCARD);
LEAVE;
return;
}
}
- PerlIO_puts(PerlIO_stderr(),message);
+ PerlIO_write(PerlIO_stderr(), message, msglen);
#ifdef LEAKTEST
DEBUG_L(xstat());
#endif
}
#ifndef VMS /* VMS' my_setenv() is in VMS.c */
-#ifndef WIN32
+#if !defined(WIN32) && !defined(CYGWIN)
void
-my_setenv(char *nam, char *val)
+Perl_my_setenv(pTHX_ char *nam, char *val)
{
+#ifndef PERL_USE_SAFE_PUTENV
+ /* most putenv()s leak, so we manipulate environ directly */
register I32 i=setenv_getix(nam); /* where does it go? */
if (environ == PL_origenviron) { /* need we copy environment? */
/*SUPPRESS 530*/
for (max = i; environ[max]; max++) ;
- New(901,tmpenv, max+2, char*);
- for (j=0; j<max; j++) /* copy environment */
- tmpenv[j] = savepv(environ[j]);
+ tmpenv = (char**)safesysmalloc((max+2) * sizeof(char*));
+ for (j=0; j<max; j++) { /* copy environment */
+ tmpenv[j] = (char*)safesysmalloc((strlen(environ[j])+1)*sizeof(char));
+ strcpy(tmpenv[j], environ[j]);
+ }
tmpenv[max] = Nullch;
environ = tmpenv; /* tell exec where it is now */
}
if (!val) {
- Safefree(environ[i]);
+ safesysfree(environ[i]);
while (environ[i]) {
environ[i] = environ[i+1];
i++;
return;
}
if (!environ[i]) { /* does not exist yet */
- Renew(environ, i+2, char*); /* just expand it a bit */
+ environ = (char**)safesysrealloc(environ, (i+2) * sizeof(char*));
environ[i+1] = Nullch; /* make sure it's null terminated */
}
else
- Safefree(environ[i]);
- New(904, environ[i], strlen(nam) + strlen(val) + 2, char);
+ safesysfree(environ[i]);
+ environ[i] = (char*)safesysmalloc((strlen(nam)+strlen(val)+2) * sizeof(char));
+
#ifndef MSDOS
(void)sprintf(environ[i],"%s=%s",nam,val);/* all that work just for this */
#else
strcpy(environ[i],nam); strupr(environ[i]);
(void)sprintf(environ[i] + strlen(nam),"=%s",val);
#endif /* MSDOS */
+
+#else /* PERL_USE_SAFE_PUTENV */
+ char *new_env;
+
+ new_env = (char*)safesysmalloc((strlen(nam) + strlen(val) + 2) * sizeof(char));
+#ifndef MSDOS
+ (void)sprintf(new_env,"%s=%s",nam,val);/* all that work just for this */
+#else
+ strcpy(new_env,nam); strupr(new_env);
+ (void)sprintf(new_env + strlen(nam),"=%s",val);
+#endif
+ (void)putenv(new_env);
+#endif /* PERL_USE_SAFE_PUTENV */
}
+#else /* WIN32 || CYGWIN */
+#if defined(CYGWIN)
+/*
+ * Save environ of perl.exe, currently Cygwin links in separate environ's
+ * for each exe/dll. Probably should be a member of impure_ptr.
+ */
+static char ***Perl_main_environ;
+
+EXTERN_C void
+Perl_my_setenv_init(char ***penviron)
+{
+ Perl_main_environ = penviron;
+}
+
+void
+my_setenv(char *nam, char *val)
+{
+ /* You can not directly manipulate the environ[] array because
+ * the routines do some additional work that syncs the Cygwin
+ * environment with the Windows environment.
+ */
+ char *oldstr = environ[setenv_getix(nam)];
+
+ if (!val) {
+ if (!oldstr)
+ return;
+ unsetenv(nam);
+ Safefree(oldstr);
+ return;
+ }
+ setenv(nam, val, 1);
+ environ = *Perl_main_environ; /* environ realloc can occur in setenv */
+ if(oldstr && environ[setenv_getix(nam)] != oldstr)
+ Safefree(oldstr);
+}
#else /* if WIN32 */
void
-my_setenv(char *nam,char *val)
+Perl_my_setenv(pTHX_ char *nam,char *val)
{
#ifdef USE_WIN32_RTL_ENV
}
else
vallen = strlen(val);
- New(904, envstr, namlen + vallen + 3, char);
+ envstr = (char*)safesysmalloc((namlen + vallen + 3) * sizeof(char));
(void)sprintf(envstr,"%s=%s",nam,val);
(void)PerlEnv_putenv(envstr);
if (oldstr)
- Safefree(oldstr);
+ safesysfree(oldstr);
#ifdef _MSC_VER
- Safefree(envstr); /* MSVCRT leaks without this */
+ safesysfree(envstr); /* MSVCRT leaks without this */
#endif
#else /* !USE_WIN32_RTL_ENV */
- /* The sane way to deal with the environment.
- * Has these advantages over putenv() & co.:
- * * enables us to store a truly empty value in the
- * environment (like in UNIX).
- * * we don't have to deal with RTL globals, bugs and leaks.
- * * Much faster.
- * Why you may want to enable USE_WIN32_RTL_ENV:
- * * environ[] and RTL functions will not reflect changes,
- * which might be an issue if extensions want to access
- * the env. via RTL. This cuts both ways, since RTL will
- * not see changes made by extensions that call the Win32
- * functions directly, either.
- * GSAR 97-06-07
- */
- SetEnvironmentVariable(nam,val);
+ register char *envstr;
+ STRLEN len = strlen(nam) + 3;
+ if (!val) {
+ val = "";
+ }
+ len += strlen(val);
+ New(904, envstr, len, char);
+ (void)sprintf(envstr,"%s=%s",nam,val);
+ (void)PerlEnv_putenv(envstr);
+ Safefree(envstr);
#endif
}
#endif /* WIN32 */
+#endif
I32
-setenv_getix(char *nam)
+Perl_setenv_getix(pTHX_ char *nam)
{
register I32 i, len = strlen(nam);
#ifdef UNLINK_ALL_VERSIONS
I32
-unlnk(f) /* unlink all versions of a file */
-char *f;
+Perl_unlnk(pTHX_ char *f) /* unlink all versions of a file */
{
I32 i;
#if !defined(HAS_BCOPY) || !defined(HAS_SAFE_BCOPY)
char *
-my_bcopy(register char *from,register char *to,register I32 len)
+Perl_my_bcopy(pTHX_ register const char *from,register char *to,register I32 len)
{
char *retval = to;
#ifndef HAS_MEMSET
void *
-my_memset(loc,ch,len)
-register char *loc;
-register I32 ch;
-register I32 len;
+Perl_my_memset(pTHX_ register char *loc, register I32 ch, register I32 len)
{
char *retval = loc;
#if !defined(HAS_BZERO) && !defined(HAS_MEMSET)
char *
-my_bzero(loc,len)
-register char *loc;
-register I32 len;
+Perl_my_bzero(pTHX_ register char *loc, register I32 len)
{
char *retval = loc;
#if !defined(HAS_MEMCMP) || !defined(HAS_SANE_MEMCMP)
I32
-my_memcmp(s1,s2,len)
-char *s1;
-char *s2;
-register I32 len;
+Perl_my_memcmp(pTHX_ const char *s1, const char *s2, register I32 len)
{
register U8 *a = (U8 *)s1;
register U8 *b = (U8 *)s2;
#else
int
#endif
-vsprintf(dest, pat, args)
-char *dest;
-const char *pat;
-char *args;
+vsprintf(char *dest, const char *pat, char *args)
{
FILE fakebuf;
#ifdef MYSWAP
#if BYTEORDER != 0x4321
short
-my_swap(short s)
+Perl_my_swap(pTHX_ short s)
{
#if (BYTEORDER & 1) == 0
short result;
}
long
-my_htonl(long l)
+Perl_my_htonl(pTHX_ long l)
{
union {
long result;
return u.result;
#else
#if ((BYTEORDER - 0x1111) & 0x444) || !(BYTEORDER & 0xf)
- croak("Unknown BYTEORDER\n");
+ Perl_croak(aTHX_ "Unknown BYTEORDER\n");
#else
register I32 o;
register I32 s;
}
long
-my_ntohl(long l)
+Perl_my_ntohl(pTHX_ long l)
{
union {
long l;
return u.l;
#else
#if ((BYTEORDER - 0x1111) & 0x444) || !(BYTEORDER & 0xf)
- croak("Unknown BYTEORDER\n");
+ Perl_croak(aTHX_ "Unknown BYTEORDER\n");
#else
register I32 o;
register I32 s;
#define HTOV(name,type) \
type \
- name (n) \
- register type n; \
+ name (register type n) \
{ \
union { \
type value; \
#define VTOH(name,type) \
type \
- name (n) \
- register type n; \
+ name (register type n) \
{ \
union { \
type value; \
#endif
/* VMS' my_popen() is in VMS.c, same with OS/2. */
-#if (!defined(DOSISH) || defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(__OPEN_VM)
+#if (!defined(DOSISH) || defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(__OPEN_VM) && !defined(EPOC)
PerlIO *
-my_popen(char *cmd, char *mode)
+Perl_my_popen(pTHX_ char *cmd, char *mode)
{
int p[2];
register I32 This, that;
register I32 pid;
SV *sv;
I32 doexec = strNE(cmd,"-");
+ I32 did_pipes = 0;
+ int pp[2];
+ PERL_FLUSHALL_FOR_CHILD;
#ifdef OS2
if (doexec) {
return my_syspopen(cmd,mode);
}
if (PerlProc_pipe(p) < 0)
return Nullfp;
+ if (doexec && PerlProc_pipe(pp) >= 0)
+ did_pipes = 1;
while ((pid = (doexec?vfork():fork())) < 0) {
if (errno != EAGAIN) {
PerlLIO_close(p[This]);
+ if (did_pipes) {
+ PerlLIO_close(pp[0]);
+ PerlLIO_close(pp[1]);
+ }
if (!doexec)
- croak("Can't fork");
+ Perl_croak(aTHX_ "Can't fork");
return Nullfp;
}
sleep(5);
#define THIS that
#define THAT This
PerlLIO_close(p[THAT]);
+ if (did_pipes) {
+ PerlLIO_close(pp[0]);
+#if defined(HAS_FCNTL) && defined(F_SETFD)
+ fcntl(pp[1], F_SETFD, FD_CLOEXEC);
+#endif
+ }
if (p[THIS] != (*mode == 'r')) {
PerlLIO_dup2(p[THIS], *mode == 'r');
PerlLIO_close(p[THIS]);
}
+#ifndef OS2
if (doexec) {
#if !defined(HAS_FCNTL) || !defined(F_SETFD)
int fd;
#define NOFILE 20
#endif
for (fd = PL_maxsysfd + 1; fd < NOFILE; fd++)
- PerlLIO_close(fd);
+ if (fd != pp[1])
+ PerlLIO_close(fd);
#endif
- do_exec(cmd); /* may or may not use the shell */
+ do_exec3(cmd,pp[1],did_pipes); /* may or may not use the shell */
PerlProc__exit(1);
}
+#endif /* defined OS2 */
/*SUPPRESS 560*/
if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV))
sv_setiv(GvSV(tmpgv), (IV)getpid());
}
do_execfree(); /* free any memory malloced by child on vfork */
PerlLIO_close(p[that]);
+ if (did_pipes)
+ PerlLIO_close(pp[1]);
if (p[that] < p[This]) {
PerlLIO_dup2(p[This], p[that]);
PerlLIO_close(p[This]);
(void)SvUPGRADE(sv,SVt_IV);
SvIVX(sv) = pid;
PL_forkprocess = pid;
+ if (did_pipes && pid > 0) {
+ int errkid;
+ int n = 0, n1;
+
+ while (n < sizeof(int)) {
+ n1 = PerlLIO_read(pp[0],
+ (void*)(((char*)&errkid)+n),
+ (sizeof(int)) - n);
+ if (n1 <= 0)
+ break;
+ n += n1;
+ }
+ PerlLIO_close(pp[0]);
+ did_pipes = 0;
+ if (n) { /* Error */
+ if (n != sizeof(int))
+ Perl_croak(aTHX_ "panic: kid popen errno read");
+ errno = errkid; /* Propagate errno from kid */
+ return Nullfp;
+ }
+ }
+ if (did_pipes)
+ PerlLIO_close(pp[0]);
return PerlIO_fdopen(p[This], mode);
}
#else
#if defined(atarist) || defined(DJGPP)
FILE *popen();
PerlIO *
-my_popen(cmd,mode)
-char *cmd;
-char *mode;
+Perl_my_popen(pTHX_ char *cmd, char *mode)
{
/* Needs work for PerlIO ! */
/* used 0 for 2nd parameter to PerlIO-exportFILE; apparently not used */
+ PERL_FLUSHALL_FOR_CHILD;
return popen(PerlIO_exportFILE(cmd, 0), mode);
}
#endif
#ifdef DUMP_FDS
void
-dump_fds(char *s)
+Perl_dump_fds(pTHX_ char *s)
{
int fd;
struct stat tmpstatbuf;
#ifndef HAS_DUP2
int
-dup2(oldfd,newfd)
-int oldfd;
-int newfd;
+dup2(int oldfd, int newfd)
{
#if defined(HAS_FCNTL) && defined(F_DUPFD)
if (oldfd == newfd)
#ifdef HAS_SIGACTION
Sighandler_t
-rsignal(int signo, Sighandler_t handler)
+Perl_rsignal(pTHX_ int signo, Sighandler_t handler)
{
struct sigaction act, oact;
}
Sighandler_t
-rsignal_state(int signo)
+Perl_rsignal_state(pTHX_ int signo)
{
struct sigaction oact;
}
int
-rsignal_save(int signo, Sighandler_t handler, Sigsave_t *save)
+Perl_rsignal_save(pTHX_ int signo, Sighandler_t handler, Sigsave_t *save)
{
struct sigaction act;
}
int
-rsignal_restore(int signo, Sigsave_t *save)
+Perl_rsignal_restore(pTHX_ int signo, Sigsave_t *save)
{
return sigaction(signo, save, (struct sigaction *)NULL);
}
#else /* !HAS_SIGACTION */
Sighandler_t
-rsignal(int signo, Sighandler_t handler)
+Perl_rsignal(pTHX_ int signo, Sighandler_t handler)
{
return PerlProc_signal(signo, handler);
}
}
Sighandler_t
-rsignal_state(int signo)
+Perl_rsignal_state(pTHX_ int signo)
{
Sighandler_t oldsig;
}
int
-rsignal_save(int signo, Sighandler_t handler, Sigsave_t *save)
+Perl_rsignal_save(pTHX_ int signo, Sighandler_t handler, Sigsave_t *save)
{
*save = PerlProc_signal(signo, handler);
return (*save == SIG_ERR) ? -1 : 0;
}
int
-rsignal_restore(int signo, Sigsave_t *save)
+Perl_rsignal_restore(pTHX_ int signo, Sigsave_t *save)
{
return (PerlProc_signal(signo, *save) == SIG_ERR) ? -1 : 0;
}
#endif /* !HAS_SIGACTION */
/* VMS' my_pclose() is in VMS.c; same with OS/2 */
-#if (!defined(DOSISH) || defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(__OPEN_VM)
+#if (!defined(DOSISH) || defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(__OPEN_VM) && !defined(EPOC)
I32
-my_pclose(PerlIO *ptr)
+Perl_my_pclose(pTHX_ PerlIO *ptr)
{
Sigsave_t hstat, istat, qstat;
int status;
#if !defined(DOSISH) || defined(OS2) || defined(WIN32)
I32
-wait4pid(int pid, int *statusp, int flags)
+Perl_wait4pid(pTHX_ int pid, int *statusp, int flags)
{
SV *sv;
SV** svp;
{
I32 result;
if (flags)
- croak("Can't do waitpid with flags");
+ Perl_croak(aTHX_ "Can't do waitpid with flags");
else {
while ((result = PerlProc_wait(statusp)) != pid && pid > 0 && result >= 0)
pidgone(result,*statusp);
void
/*SUPPRESS 590*/
-pidgone(int pid, int status)
+Perl_pidgone(pTHX_ int pid, int status)
{
register SV *sv;
char spid[TYPE_CHARS(int)];
#ifdef HAS_FORK
int /* Cannot prototype with I32
in os2ish.h. */
-my_syspclose(ptr)
+my_syspclose(PerlIO *ptr)
#else
I32
-my_pclose(ptr)
+Perl_my_pclose(pTHX_ PerlIO *ptr)
#endif
-PerlIO *ptr;
{
/* Needs work for PerlIO ! */
FILE *f = PerlIO_findFILE(ptr);
#endif
void
-repeatcpy(register char *to, register char *from, I32 len, register I32 count)
+Perl_repeatcpy(pTHX_ register char *to, register const char *from, I32 len, register I32 count)
{
register I32 todo;
- register char *frombase = from;
+ register const char *frombase = from;
if (len == 1) {
- todo = *from;
+ register const char c = *from;
while (count-- > 0)
- *to++ = todo;
+ *to++ = c;
return;
}
while (count-- > 0) {
}
U32
-cast_ulong(double f)
+Perl_cast_ulong(pTHX_ NV f)
{
long along;
#endif
I32
-cast_i32(double f)
+Perl_cast_i32(pTHX_ NV f)
{
if (f >= I32_MAX)
return (I32) I32_MAX;
}
IV
-cast_iv(double f)
+Perl_cast_iv(pTHX_ NV f)
{
- if (f >= IV_MAX)
- return (IV) IV_MAX;
+ if (f >= IV_MAX) {
+ UV uv;
+
+ if (f >= (NV)UV_MAX)
+ return (IV) UV_MAX;
+ uv = (UV) f;
+ return (IV)uv;
+ }
if (f <= IV_MIN)
return (IV) IV_MIN;
return (IV) f;
}
UV
-cast_uv(double f)
+Perl_cast_uv(pTHX_ NV f)
{
if (f >= MY_UV_MAX)
return (UV) MY_UV_MAX;
+ if (f < 0) {
+ IV iv;
+
+ if (f < IV_MIN)
+ return (UV)IV_MIN;
+ iv = (IV) f;
+ return (UV) iv;
+ }
return (UV) f;
}
#ifndef HAS_RENAME
I32
-same_dirent(char *a, char *b)
+Perl_same_dirent(pTHX_ char *a, char *b)
{
char *fa = strrchr(a,'/');
char *fb = strrchr(b,'/');
}
#endif /* !HAS_RENAME */
-UV
-scan_oct(char *start, I32 len, I32 *retlen)
+NV
+Perl_scan_bin(pTHX_ char *start, I32 len, I32 *retlen)
{
register char *s = start;
- register UV retval = 0;
- bool overflowed = FALSE;
-
- while (len && *s >= '0' && *s <= '7') {
- register UV n = retval << 3;
- if (!overflowed && (n >> 3) != retval) {
- warn("Integer overflow in octal number");
- overflowed = TRUE;
+ register NV rnv = 0.0;
+ register UV ruv = 0;
+ register bool seenb = FALSE;
+ register bool overflowed = FALSE;
+
+ for (; len-- && *s; s++) {
+ if (!(*s == '0' || *s == '1')) {
+ if (*s == '_')
+ continue; /* Note: does not check for __ and the like. */
+ if (seenb == FALSE && *s == 'b' && ruv == 0) {
+ /* Disallow 0bbb0b0bbb... */
+ seenb = TRUE;
+ continue;
+ }
+ else {
+ dTHR;
+ if (ckWARN(WARN_UNSAFE))
+ Perl_warner(aTHX_ WARN_UNSAFE,
+ "Illegal binary digit '%c' ignored", *s);
+ break;
+ }
+ }
+ if (!overflowed) {
+ register UV xuv = ruv << 1;
+
+ if ((xuv >> 1) != ruv) {
+ dTHR;
+ overflowed = TRUE;
+ rnv = (NV) ruv;
+ if (ckWARN_d(WARN_UNSAFE))
+ Perl_warner(aTHX_ WARN_UNSAFE,
+ "Integer overflow in binary number");
+ } else
+ ruv = xuv | (*s - '0');
+ }
+ if (overflowed) {
+ rnv *= 2;
+ /* If an NV has not enough bits in its mantissa to
+ * represent an UV this summing of small low-order numbers
+ * is a waste of time (because the NV cannot preserve
+ * the low-order bits anyway): we could just remember when
+ * did we overflow and in the end just multiply rnv by the
+ * right amount. */
+ rnv += (*s - '0');
}
- retval = n | (*s++ - '0');
- len--;
}
- if (len && (*s == '8' || *s == '9')) {
+ if (!overflowed)
+ rnv = (NV) ruv;
+ if ( ( overflowed && rnv > 4294967295.0)
+#if UV_SIZEOF > 4
+ || (!overflowed && ruv > 0xffffffff )
+#endif
+ ) {
dTHR;
- if (ckWARN(WARN_OCTAL))
- warner(WARN_OCTAL, "Illegal octal digit ignored");
+ if (ckWARN(WARN_UNSAFE))
+ Perl_warner(aTHX_ WARN_UNSAFE,
+ "Binary number > 0b11111111111111111111111111111111 non-portable");
}
*retlen = s - start;
- return retval;
+ return rnv;
}
-UV
-scan_hex(char *start, I32 len, I32 *retlen)
+NV
+Perl_scan_oct(pTHX_ char *start, I32 len, I32 *retlen)
+{
+ register char *s = start;
+ register NV rnv = 0.0;
+ register UV ruv = 0;
+ register bool overflowed = FALSE;
+
+ for (; len-- && *s; s++) {
+ if (!(*s >= '0' && *s <= '7')) {
+ if (*s == '_')
+ continue; /* Note: does not check for __ and the like. */
+ else {
+ /* Allow \octal to work the DWIM way (that is, stop scanning
+ * as soon as non-octal characters are seen, complain only iff
+ * someone seems to want to use the digits eight and nine). */
+ if (*s == '8' || *s == '9') {
+ dTHR;
+ if (ckWARN(WARN_OCTAL))
+ Perl_warner(aTHX_ WARN_OCTAL,
+ "Illegal octal digit '%c' ignored", *s);
+ }
+ break;
+ }
+ }
+ if (!overflowed) {
+ register UV xuv = ruv << 3;
+
+ if ((xuv >> 3) != ruv) {
+ dTHR;
+ overflowed = TRUE;
+ rnv = (NV) ruv;
+ if (ckWARN_d(WARN_UNSAFE))
+ Perl_warner(aTHX_ WARN_UNSAFE,
+ "Integer overflow in octal number");
+ } else
+ ruv = xuv | (*s - '0');
+ }
+ if (overflowed) {
+ rnv *= 8.0;
+ /* If an NV has not enough bits in its mantissa to
+ * represent an UV this summing of small low-order numbers
+ * is a waste of time (because the NV cannot preserve
+ * the low-order bits anyway): we could just remember when
+ * did we overflow and in the end just multiply rnv by the
+ * right amount of 8-tuples. */
+ rnv += (NV)(*s - '0');
+ }
+ }
+ if (!overflowed)
+ rnv = (NV) ruv;
+ if ( ( overflowed && rnv > 4294967295.0)
+#if UV_SIZEOF > 4
+ || (!overflowed && ruv > 0xffffffff )
+#endif
+ ) {
+ dTHR;
+ if (ckWARN(WARN_UNSAFE))
+ Perl_warner(aTHX_ WARN_UNSAFE,
+ "Octal number > 037777777777 non-portable");
+ }
+ *retlen = s - start;
+ return rnv;
+}
+
+NV
+Perl_scan_hex(pTHX_ char *start, I32 len, I32 *retlen)
{
register char *s = start;
- register UV retval = 0;
- bool overflowed = FALSE;
- char *tmp = s;
- register UV n;
-
- while (len-- && *s) {
- tmp = strchr((char *) PL_hexdigit, *s++);
- if (!tmp) {
- if (*(s-1) == '_' || (*(s-1) == 'x' && retval == 0))
+ register NV rnv = 0.0;
+ register UV ruv = 0;
+ register bool seenx = FALSE;
+ register bool overflowed = FALSE;
+ char *hexdigit;
+
+ for (; len-- && *s; s++) {
+ hexdigit = strchr((char *) PL_hexdigit, *s);
+ if (!hexdigit) {
+ if (*s == '_')
+ continue; /* Note: does not check for __ and the like. */
+ if (seenx == FALSE && *s == 'x' && ruv == 0) {
+ /* Disallow 0xxx0x0xxx... */
+ seenx = TRUE;
continue;
+ }
else {
dTHR;
- --s;
if (ckWARN(WARN_UNSAFE))
- warner(WARN_UNSAFE,"Illegal hex digit ignored");
+ Perl_warner(aTHX_ WARN_UNSAFE,
+ "Illegal hexadecimal digit '%c' ignored", *s);
break;
}
}
- n = retval << 4;
- if (!overflowed && (n >> 4) != retval) {
- warn("Integer overflow in hex number");
- overflowed = TRUE;
+ if (!overflowed) {
+ register UV xuv = ruv << 4;
+
+ if ((xuv >> 4) != ruv) {
+ dTHR;
+ overflowed = TRUE;
+ rnv = (NV) ruv;
+ if (ckWARN_d(WARN_UNSAFE))
+ Perl_warner(aTHX_ WARN_UNSAFE,
+ "Integer overflow in hexadecimal number");
+ } else
+ ruv = xuv | ((hexdigit - PL_hexdigit) & 15);
+ }
+ if (overflowed) {
+ rnv *= 16.0;
+ /* If an NV has not enough bits in its mantissa to
+ * represent an UV this summing of small low-order numbers
+ * is a waste of time (because the NV cannot preserve
+ * the low-order bits anyway): we could just remember when
+ * did we overflow and in the end just multiply rnv by the
+ * right amount of 16-tuples. */
+ rnv += (NV)((hexdigit - PL_hexdigit) & 15);
}
- retval = n | ((tmp - PL_hexdigit) & 15);
+ }
+ if (!overflowed)
+ rnv = (NV) ruv;
+ if ( ( overflowed && rnv > 4294967295.0)
+#if UV_SIZEOF > 4
+ || (!overflowed && ruv > 0xffffffff )
+#endif
+ ) {
+ dTHR;
+ if (ckWARN(WARN_UNSAFE))
+ Perl_warner(aTHX_ WARN_UNSAFE,
+ "Hexadecimal number > 0xffffffff non-portable");
}
*retlen = s - start;
- return retval;
+ return rnv;
}
char*
-find_script(char *scriptname, bool dosearch, char **search_ext, I32 flags)
+Perl_find_script(pTHX_ char *scriptname, bool dosearch, char **search_ext, I32 flags)
{
dTHR;
char *xfound = Nullch;
char *xfailed = Nullch;
- char tmpbuf[512];
+ char tmpbuf[MAXPATHLEN];
register char *s;
I32 len;
int retval;
if (len + 1 + strlen(scriptname) + MAX_EXT_LEN >= sizeof tmpbuf)
continue; /* don't search dir with too-long name */
if (len
-#if defined(atarist) || defined(DOSISH)
+#if defined(atarist) || defined(__MINT__) || defined(DOSISH)
&& tmpbuf[len - 1] != '/'
&& tmpbuf[len - 1] != '\\'
#endif
seen_dot = 1; /* Disable message. */
if (!xfound) {
if (flags & 1) { /* do or die? */
- croak("Can't %s %s%s%s",
+ Perl_croak(aTHX_ "Can't %s %s%s%s",
(xfailed ? "execute" : "find"),
(xfailed ? xfailed : scriptname),
(xfailed ? "" : " on PATH"),
}
void
-perl_cond_init(perl_cond *cp)
+Perl_cond_init(pTHX_ perl_cond *cp)
{
*cp = 0;
}
void
-perl_cond_signal(perl_cond *cp)
+Perl_cond_signal(pTHX_ perl_cond *cp)
{
perl_os_thread t;
perl_cond cond = *cp;
}
void
-perl_cond_broadcast(perl_cond *cp)
+Perl_cond_broadcast(pTHX_ perl_cond *cp)
{
perl_os_thread t;
perl_cond cond, cond_next;
}
void
-perl_cond_wait(perl_cond *cp)
+Perl_cond_wait(pTHX_ perl_cond *cp)
{
perl_cond cond;
if (thr->i.next_run == thr)
- croak("panic: perl_cond_wait called by last runnable thread");
+ Perl_croak(aTHX_ "panic: perl_cond_wait called by last runnable thread");
New(666, cond, 1, struct perl_wait_queue);
cond->thread = thr;
#ifdef PTHREAD_GETSPECIFIC_INT
struct perl_thread *
-getTHR _((void))
+Perl_getTHR(pTHX)
{
pthread_addr_t t;
if (pthread_getspecific(PL_thr_key, &t))
- croak("panic: pthread_getspecific");
+ Perl_croak(aTHX_ "panic: pthread_getspecific");
return (struct perl_thread *) t;
}
#endif
MAGIC *
-condpair_magic(SV *sv)
+Perl_condpair_magic(pTHX_ SV *sv)
{
MAGIC *mg;
COND_INIT(&cp->owner_cond);
COND_INIT(&cp->cond);
cp->owner = 0;
- LOCK_SV_MUTEX;
+ MUTEX_LOCK(&PL_cred_mutex); /* XXX need separate mutex? */
mg = mg_find(sv, 'm');
if (mg) {
/* someone else beat us to initialising it */
- UNLOCK_SV_MUTEX;
+ MUTEX_UNLOCK(&PL_cred_mutex); /* XXX need separate mutex? */
MUTEX_DESTROY(&cp->mutex);
COND_DESTROY(&cp->owner_cond);
COND_DESTROY(&cp->cond);
mg = SvMAGIC(sv);
mg->mg_ptr = (char *)cp;
mg->mg_len = sizeof(cp);
- UNLOCK_SV_MUTEX;
+ MUTEX_UNLOCK(&PL_cred_mutex); /* XXX need separate mutex? */
DEBUG_S(WITH_THR(PerlIO_printf(PerlIO_stderr(),
"%p: condpair_magic %p\n", thr, sv));)
}
* thread calling new_struct_thread) clearly satisfies this constraint.
*/
struct perl_thread *
-new_struct_thread(struct perl_thread *t)
+Perl_new_struct_thread(pTHX_ struct perl_thread *t)
{
+#if !defined(PERL_IMPLICIT_CONTEXT)
struct perl_thread *thr;
+#endif
SV *sv;
SV **svp;
I32 i;
- sv = newSVpv("", 0);
+ sv = newSVpvn("", 0);
SvGROW(sv, sizeof(struct perl_thread) + 1);
SvCUR_set(sv, sizeof(struct perl_thread));
thr = (Thread) SvPVX(sv);
Zero(thr, 1, struct perl_thread);
#endif
+ PL_protect = MEMBER_TO_FPTR(Perl_default_protect);
+
thr->oursv = sv;
- init_stacks(ARGS);
+ init_stacks();
PL_curcop = &PL_compiling;
+ thr->interp = t->interp;
thr->cvcache = newHV();
thr->threadsv = newAV();
thr->specific = newAV();
- thr->errsv = newSVpv("", 0);
+ thr->errsv = newSVpvn("", 0);
thr->errhv = newHV();
thr->flags = THRf_R_JOINABLE;
MUTEX_INIT(&thr->mutex);
- PL_curcop = t->Tcurcop; /* XXX As good a guess as any? */
- PL_defstash = t->Tdefstash; /* XXX maybe these should */
- PL_curstash = t->Tcurstash; /* always be set to main? */
-
-
/* top_env needs to be non-zero. It points to an area
in which longjmp() stuff is stored, as C callstack
info there at least is thread specific this has to
PL_start_env.je_mustcatch = TRUE;
PL_top_env = &PL_start_env;
- PL_in_eval = FALSE;
+ PL_in_eval = EVAL_NULL; /* ~(EVAL_INEVAL|EVAL_WARNONLY|EVAL_KEEPERR) */
PL_restartop = 0;
+ PL_statname = NEWSV(66,0);
+ PL_maxscream = -1;
+ PL_regcompp = MEMBER_TO_FPTR(Perl_pregcomp);
+ PL_regexecp = MEMBER_TO_FPTR(Perl_regexec_flags);
+ PL_regint_start = MEMBER_TO_FPTR(Perl_re_intuit_start);
+ PL_regint_string = MEMBER_TO_FPTR(Perl_re_intuit_string);
+ PL_regfree = MEMBER_TO_FPTR(Perl_pregfree);
+ PL_regindent = 0;
+ PL_reginterp_cnt = 0;
+ PL_lastscream = Nullsv;
+ PL_screamfirst = 0;
+ PL_screamnext = 0;
+ PL_reg_start_tmp = 0;
+ PL_reg_start_tmpl = 0;
+
+ /* parent thread's data needs to be locked while we make copy */
+ MUTEX_LOCK(&t->mutex);
+
+ PL_protect = t->Tprotect;
+
+ PL_curcop = t->Tcurcop; /* XXX As good a guess as any? */
+ PL_defstash = t->Tdefstash; /* XXX maybe these should */
+ PL_curstash = t->Tcurstash; /* always be set to main? */
+
PL_tainted = t->Ttainted;
PL_curpm = t->Tcurpm; /* XXX No PMOP ref count */
PL_nrs = newSVsv(t->Tnrs);
PL_bodytarget = newSVsv(t->Tbodytarget);
PL_toptarget = newSVsv(t->Ttoptarget);
- PL_statname = NEWSV(66,0);
- PL_maxscream = -1;
- PL_regcompp = FUNC_NAME_TO_PTR(pregcomp);
- PL_regexecp = FUNC_NAME_TO_PTR(regexec_flags);
- PL_regindent = 0;
- PL_reginterp_cnt = 0;
- PL_lastscream = Nullsv;
- PL_screamfirst = 0;
- PL_screamnext = 0;
- PL_reg_start_tmp = 0;
- PL_reg_start_tmpl = 0;
-
/* Initialise all per-thread SVs that the template thread used */
svp = AvARRAY(t->threadsv);
for (i = 0; i <= AvFILLp(t->threadsv); i++, svp++) {
thr->next->prev = thr;
MUTEX_UNLOCK(&PL_threads_mutex);
+ /* done copying parent's state */
+ MUTEX_UNLOCK(&t->mutex);
+
#ifdef HAVE_THREAD_INTERN
- init_thread_intern(thr);
+ Perl_init_thread_intern(thr);
#endif /* HAVE_THREAD_INTERN */
return thr;
}
* So it is in perl for (say) POSIX to use.
* Needed for SunOS with Sun's 'acc' for example.
*/
-double
+NV
Perl_huge(void)
{
return HUGE_VAL;
#ifdef PERL_GLOBAL_STRUCT
struct perl_vars *
-Perl_GetVars(void)
+Perl_GetVars(pTHX)
{
return &PL_Vars;
}
#endif
char **
-get_op_names(void)
+Perl_get_op_names(pTHX)
{
return PL_op_name;
}
char **
-get_op_descs(void)
+Perl_get_op_descs(pTHX)
{
return PL_op_desc;
}
char *
-get_no_modify(void)
+Perl_get_no_modify(pTHX)
{
return (char*)PL_no_modify;
}
U32 *
-get_opargs(void)
+Perl_get_opargs(pTHX)
{
return PL_opargs;
}
-SV **
-get_specialsv_list(void)
+PPADDR_t*
+Perl_get_ppaddr(pTHX)
+{
+ return &PL_ppaddr;
+}
+
+#ifndef HAS_GETENV_LEN
+char *
+Perl_getenv_len(pTHX_ char *env_elem, unsigned long *len)
{
- return PL_specialsv_list;
+ char *env_trans = PerlEnv_getenv(env_elem);
+ if (env_trans)
+ *len = strlen(env_trans);
+ return env_trans;
}
+#endif
MGVTBL*
-get_vtbl(int vtbl_id)
+Perl_get_vtbl(pTHX_ int vtbl_id)
{
MGVTBL* result = Null(MGVTBL*);
case want_vtbl_regdatum:
result = &PL_vtbl_regdatum;
break;
+#ifdef USE_LOCALE_COLLATE
case want_vtbl_collxfrm:
result = &PL_vtbl_collxfrm;
break;
+#endif
case want_vtbl_amagic:
result = &PL_vtbl_amagic;
break;
case want_vtbl_amagicelem:
result = &PL_vtbl_amagicelem;
break;
+ case want_vtbl_backref:
+ result = &PL_vtbl_backref;
+ break;
}
return result;
}
+I32
+Perl_my_fflush_all(pTHX)
+{
+#ifdef FFLUSH_NULL
+ return PerlIO_flush(NULL);
+#else
+ long open_max = -1;
+# if defined(FFLUSH_ALL) && defined(HAS_STDIO_STREAM_ARRAY)
+# ifdef PERL_FFLUSH_ALL_FOPEN_MAX
+ open_max = PERL_FFLUSH_ALL_FOPEN_MAX;
+# else
+# if defined(HAS_SYSCONF) && defined(_SC_OPEN_MAX)
+ open_max = sysconf(_SC_OPEN_MAX);
+# else
+# ifdef FOPEN_MAX
+ open_max = FOPEN_MAX;
+# else
+# ifdef OPEN_MAX
+ open_max = OPEN_MAX;
+# else
+# ifdef _NFILE
+ open_max = _NFILE;
+# endif
+# endif
+# endif
+# endif
+# endif
+ if (open_max > 0) {
+ long i;
+ for (i = 0; i < open_max; i++)
+ if (STDIO_STREAM_ARRAY[i]._file >= 0 &&
+ STDIO_STREAM_ARRAY[i]._file < open_max &&
+ STDIO_STREAM_ARRAY[i]._flag)
+ PerlIO_flush(&STDIO_STREAM_ARRAY[i]);
+ return 0;
+ }
+# endif
+ SETERRNO(EBADF,RMS$_IFI);
+ return EOF;
+#endif
+}
+
+NV
+Perl_my_atof(pTHX_ const char* s) {
+#ifdef USE_LOCALE_NUMERIC
+ if ((PL_hints & HINT_LOCALE) && PL_numeric_local) {
+ NV x, y;
+
+ x = Perl_atof(s);
+ SET_NUMERIC_STANDARD();
+ y = Perl_atof(s);
+ SET_NUMERIC_LOCAL();
+ if ((y < 0.0 && y < x) || (y > 0.0 && y > x))
+ return y;
+ return x;
+ }
+ else
+ return Perl_atof(s);
+#else
+ return Perl_atof(s);
+#endif
+}
https://perl5.git.perl.org / perl5.git / blobdiff