#endif
#endif
+#ifdef __Lynx__
+/* Missing protos on LynxOS */
+int putenv(char *);
+#endif
+
#ifdef I_SYS_WAIT
# include <sys/wait.h>
#endif
* XXX This advice seems to be widely ignored :-( --AD August 1996.
*/
+static char *
+S_write_no_mem(pTHX)
+{
+ /* Can't use PerlIO to write as it allocates memory */
+ PerlLIO_write(PerlIO_fileno(Perl_error_log),
+ PL_no_mem, strlen(PL_no_mem));
+ my_exit(1);
+ NORETURN_FUNCTION_END;
+}
+
/* paranoid version of system's malloc() */
Malloc_t
my_exit(1);
}
#endif /* HAS_64K_LIMIT */
+#ifdef PERL_TRACK_MEMPOOL
+ size += sTHX;
+#endif
#ifdef DEBUGGING
if ((long)size < 0)
Perl_croak_nocontext("panic: malloc");
ptr = (Malloc_t)PerlMem_malloc(size?size:1); /* malloc(0) is NASTY on our system */
PERL_ALLOC_CHECK(ptr);
DEBUG_m(PerlIO_printf(Perl_debug_log, "0x%"UVxf": (%05ld) malloc %ld bytes\n",PTR2UV(ptr),(long)PL_an++,(long)size));
- if (ptr != Nullch)
+ if (ptr != Nullch) {
+#ifdef PERL_TRACK_MEMPOOL
+ *(tTHX*)ptr = aTHX;
+ ptr = (Malloc_t)((char*)ptr+sTHX);
+#endif
return ptr;
+}
else if (PL_nomemok)
return Nullch;
else {
- /* Can't use PerlIO to write as it allocates memory */
- PerlLIO_write(PerlIO_fileno(Perl_error_log),
- PL_no_mem, strlen(PL_no_mem));
- my_exit(1);
- return Nullch;
+ return write_no_mem();
}
/*NOTREACHED*/
}
if (!where)
return safesysmalloc(size);
+#ifdef PERL_TRACK_MEMPOOL
+ where = (Malloc_t)((char*)where-sTHX);
+ size += sTHX;
+ if (*(tTHX*)where != aTHX) {
+ /* int *nowhere = NULL; *nowhere = 0; */
+ Perl_croak_nocontext("panic: realloc from wrong pool");
+ }
+#endif
#ifdef DEBUGGING
if ((long)size < 0)
Perl_croak_nocontext("panic: realloc");
DEBUG_m(PerlIO_printf(Perl_debug_log, "0x%"UVxf": (%05ld) rfree\n",PTR2UV(where),(long)PL_an++));
DEBUG_m(PerlIO_printf(Perl_debug_log, "0x%"UVxf": (%05ld) realloc %ld bytes\n",PTR2UV(ptr),(long)PL_an++,(long)size));
- if (ptr != Nullch)
+ if (ptr != Nullch) {
+#ifdef PERL_TRACK_MEMPOOL
+ ptr = (Malloc_t)((char*)ptr+sTHX);
+#endif
return ptr;
+ }
else if (PL_nomemok)
return Nullch;
else {
- /* Can't use PerlIO to write as it allocates memory */
- PerlLIO_write(PerlIO_fileno(Perl_error_log),
- PL_no_mem, strlen(PL_no_mem));
- my_exit(1);
- return Nullch;
+ return write_no_mem();
}
/*NOTREACHED*/
}
Free_t
Perl_safesysfree(Malloc_t where)
{
-#ifdef PERL_IMPLICIT_SYS
+ dVAR;
+#if defined(PERL_IMPLICIT_SYS) || defined(PERL_TRACK_MEMPOOL)
dTHX;
#endif
DEBUG_m( PerlIO_printf(Perl_debug_log, "0x%"UVxf": (%05ld) free\n",PTR2UV(where),(long)PL_an++));
if (where) {
- /*SUPPRESS 701*/
+#ifdef PERL_TRACK_MEMPOOL
+ where = (Malloc_t)((char*)where-sTHX);
+ if (*(tTHX*)where != aTHX) {
+ /* int *nowhere = NULL; *nowhere = 0; */
+ Perl_croak_nocontext("panic: free from wrong pool");
+ }
+#endif
PerlMem_free(where);
}
}
Perl_croak_nocontext("panic: calloc");
#endif
size *= count;
+#ifdef PERL_TRACK_MEMPOOL
+ size += sTHX;
+#endif
ptr = (Malloc_t)PerlMem_malloc(size?size:1); /* malloc(0) is NASTY on our system */
PERL_ALLOC_CHECK(ptr);
DEBUG_m(PerlIO_printf(Perl_debug_log, "0x%"UVxf": (%05ld) calloc %ld x %ld bytes\n",PTR2UV(ptr),(long)PL_an++,(long)count,(long)size));
if (ptr != Nullch) {
memset((void*)ptr, 0, size);
+#ifdef PERL_TRACK_MEMPOOL
+ *(tTHX*)ptr = aTHX;
+ ptr = (Malloc_t)((char*)ptr+sTHX);
+#endif
return ptr;
}
else if (PL_nomemok)
return Nullch;
- else {
- /* Can't use PerlIO to write as it allocates memory */
- PerlLIO_write(PerlIO_fileno(Perl_error_log),
- PL_no_mem, strlen(PL_no_mem));
- my_exit(1);
- return Nullch;
- }
- /*NOTREACHED*/
+ return write_no_mem();
}
/* These must be defined when not using Perl's malloc for binary
char *
Perl_instr(pTHX_ register const char *big, register const char *little)
{
- register const char *s, *x;
register I32 first;
if (!little)
if (!first)
return (char*)big;
while (*big) {
+ register const char *s, *x;
if (*big++ != first)
continue;
for (x=big,s=little; *s; /**/ ) {
if (!*x)
return Nullch;
- if (*s++ != *x++) {
- s--;
+ if (*s != *x)
break;
+ else {
+ s++;
+ x++;
}
}
if (!*s)
char *
Perl_ninstr(pTHX_ register const char *big, register const char *bigend, const char *little, const char *lend)
{
- register const char *s, *x;
register const I32 first = *little;
- register const char *littleend = lend;
+ register const char * const littleend = lend;
if (!first && little >= littleend)
return (char*)big;
return Nullch;
bigend -= littleend - little++;
while (big <= bigend) {
+ register const char *s, *x;
if (*big++ != first)
continue;
for (x=big,s=little; s < littleend; /**/ ) {
- if (*s++ != *x++) {
- s--;
+ if (*s != *x)
break;
+ else {
+ s++;
+ x++;
}
}
if (s >= littleend)
Perl_rninstr(pTHX_ register const char *big, const char *bigend, const char *little, const char *lend)
{
register const char *bigbeg;
- register const char *s, *x;
register const I32 first = *little;
- register const char *littleend = lend;
+ register const char * const littleend = lend;
if (!first && little >= littleend)
return (char*)bigend;
bigbeg = big;
big = bigend - (littleend - little++);
while (big >= bigbeg) {
+ register const char *s, *x;
if (*big-- != first)
continue;
for (x=big+2,s=little; s < littleend; /**/ ) {
- if (*s++ != *x++) {
- s--;
+ if (*s != *x)
break;
+ else {
+ x++;
+ s++;
}
}
if (s >= littleend)
void
Perl_fbm_compile(pTHX_ SV *sv, U32 flags)
{
- register U8 *s;
- register U8 *table;
+ register const U8 *s;
register U32 i;
STRLEN len;
I32 rarest = 0;
U32 frequency = 256;
if (flags & FBMcf_TAIL) {
- MAGIC *mg = SvUTF8(sv) && SvMAGICAL(sv) ? mg_find(sv, PERL_MAGIC_utf8) : NULL;
+ MAGIC * const mg = SvUTF8(sv) && SvMAGICAL(sv) ? mg_find(sv, PERL_MAGIC_utf8) : NULL;
sv_catpvn(sv, "\n", 1); /* Taken into account in fbm_instr() */
if (mg && mg->mg_len >= 0)
mg->mg_len++;
}
- s = (U8*)SvPV_force(sv, len);
- (void)SvUPGRADE(sv, SVt_PVBM);
+ s = (U8*)SvPV_force_mutable(sv, len);
+ SvUPGRADE(sv, SVt_PVBM);
if (len == 0) /* TAIL might be on a zero-length string. */
return;
if (len > 2) {
- U8 mlen;
- unsigned char *sb;
+ const unsigned char *sb;
+ const U8 mlen = (len>255) ? 255 : (U8)len;
+ register U8 *table;
- if (len > 255)
- mlen = 255;
- else
- mlen = (U8)len;
Sv_Grow(sv, len + 256 + FBM_TABLE_OFFSET);
- table = (unsigned char*)(SvPVX(sv) + len + FBM_TABLE_OFFSET);
+ table = (unsigned char*)(SvPVX_mutable(sv) + len + FBM_TABLE_OFFSET);
s = table - 1 - FBM_TABLE_OFFSET; /* last char */
memset((void*)table, mlen, 256);
table[-1] = (U8)flags;
sv_magic(sv, Nullsv, PERL_MAGIC_bm, Nullch, 0); /* deep magic */
SvVALID_on(sv);
- s = (unsigned char*)(SvPVX(sv)); /* deeper magic */
+ s = (const unsigned char*)(SvPVX_const(sv)); /* deeper magic */
for (i = 0; i < len; i++) {
if (PL_freq[s[i]] < frequency) {
rarest = i;
{
register unsigned char *s;
STRLEN l;
- register unsigned char *little = (unsigned char *)SvPV(littlestr,l);
+ register const unsigned char *little
+ = (const unsigned char *)SvPV_const(littlestr,l);
register STRLEN littlelen = l;
register const I32 multiline = flags & FBMrf_MULTILINE;
&& ((STRLEN)(bigend - big) == littlelen - 1)
&& (littlelen == 1
|| (*big == *little &&
- memEQ(big, little, littlelen - 1))))
+ memEQ((char *)big, (char *)little, littlelen - 1))))
return (char*)big;
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];
+ const unsigned char c1 = little[0];
+ const unsigned char c2 = little[1];
s = big + 1;
bigend--;
return Nullch;
}
if (SvTYPE(littlestr) != SVt_PVBM || !SvVALID(littlestr)) {
- char *b = ninstr((char*)big,(char*)bigend,
+ char * const b = ninstr((char*)big,(char*)bigend,
(char*)little, (char*)little + littlelen);
if (!b && SvTAIL(littlestr)) { /* Automatically multiline! */
}
{ /* Do actual FBM. */
- register const unsigned char *table = little + littlelen + FBM_TABLE_OFFSET;
- register unsigned char *oldlittle;
+ register const unsigned char * const table = little + littlelen + FBM_TABLE_OFFSET;
+ register const unsigned char *oldlittle;
if (littlelen > (STRLEN)(bigend - big))
return Nullch;
register I32 tmp;
top2:
- /*SUPPRESS 560*/
if ((tmp = table[*s])) {
if ((s += tmp) < bigend)
goto top2;
goto check_end;
}
else { /* less expensive than calling strncmp() */
- register unsigned char *olds = s;
+ register unsigned char * const olds = s;
tmp = littlelen;
/* start_shift, end_shift are positive quantities which give offsets
of ends of some substring of bigstr.
- If `last' we want the last occurrence.
+ If "last" we want the last occurrence.
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.
char *
Perl_screaminstr(pTHX_ SV *bigstr, SV *littlestr, I32 start_shift, I32 end_shift, I32 *old_posp, I32 last)
{
- register unsigned char *s, *x;
- register unsigned char *big;
+ register const unsigned char *big;
register I32 pos;
register I32 previous;
register I32 first;
- register unsigned char *little;
+ register const unsigned char *little;
register I32 stop_pos;
- register unsigned char *littleend;
+ register const unsigned char *littleend;
I32 found = 0;
if (*old_posp == -1
cant_find:
if ( BmRARE(littlestr) == '\n'
&& BmPREVIOUS(littlestr) == SvCUR(littlestr) - 1) {
- little = (unsigned char *)(SvPVX(littlestr));
+ little = (const unsigned char *)(SvPVX_const(littlestr));
littleend = little + SvCUR(littlestr);
first = *little++;
goto check_tail;
return Nullch;
}
- little = (unsigned char *)(SvPVX(littlestr));
+ little = (const unsigned char *)(SvPVX_const(littlestr));
littleend = little + SvCUR(littlestr);
first = *little++;
/* The value of pos we can start at: */
previous = BmPREVIOUS(littlestr);
- big = (unsigned char *)(SvPVX(bigstr));
+ big = (const unsigned char *)(SvPVX_const(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) {
}
big -= previous;
do {
+ register const unsigned char *s, *x;
if (pos >= stop_pos) break;
if (big[pos] != first)
continue;
if (!SvTAIL(littlestr) || (end_shift > 0))
return Nullch;
/* Ignore the trailing "\n". This code is not microoptimized */
- big = (unsigned char *)(SvPVX(bigstr) + SvCUR(bigstr));
+ big = (const unsigned char *)(SvPVX_const(bigstr) + SvCUR(bigstr));
stop_pos = littleend - little; /* Actual littlestr len */
if (stop_pos == 0)
return (char*)big;
I32
Perl_ibcmp_locale(pTHX_ const char *s1, const char *s2, register I32 len)
{
+ dVAR;
register const U8 *a = (const U8 *)s1;
register const U8 *b = (const U8 *)s2;
while (len--) {
char *
Perl_savepv(pTHX_ const char *pv)
{
- register char *newaddr;
-#ifdef PERL_MALLOC_WRAP
- STRLEN pvlen;
-#endif
if (!pv)
return Nullch;
+ else {
+ char *newaddr;
+ const STRLEN pvlen = strlen(pv)+1;
+ Newx(newaddr,pvlen,char);
+ return memcpy(newaddr,pv,pvlen);
+ }
-#ifdef PERL_MALLOC_WRAP
- pvlen = strlen(pv)+1;
- New(902,newaddr,pvlen,char);
-#else
- New(902,newaddr,strlen(pv)+1,char);
-#endif
- return strcpy(newaddr,pv);
}
/* same thing but with a known length */
{
register char *newaddr;
- New(903,newaddr,len+1,char);
+ Newx(newaddr,len+1,char);
/* Give a meaning to NULL pointer mainly for the use in sv_magic() */
if (pv) {
/* might not be null terminated */
newaddr[len] = '\0';
- return CopyD(pv,newaddr,len,char);
+ return (char *) CopyD(pv,newaddr,len,char);
}
else {
- return ZeroD(newaddr,len+1,char);
+ return (char *) ZeroD(newaddr,len+1,char);
}
}
Perl_savesharedpv(pTHX_ const char *pv)
{
register char *newaddr;
+ STRLEN pvlen;
if (!pv)
return Nullch;
- newaddr = (char*)PerlMemShared_malloc(strlen(pv)+1);
+ pvlen = strlen(pv)+1;
+ newaddr = (char*)PerlMemShared_malloc(pvlen);
if (!newaddr) {
- PerlLIO_write(PerlIO_fileno(Perl_error_log),
- PL_no_mem, strlen(PL_no_mem));
- my_exit(1);
+ return write_no_mem();
}
- return strcpy(newaddr,pv);
+ return memcpy(newaddr,pv,pvlen);
}
/*
Perl_savesvpv(pTHX_ SV *sv)
{
STRLEN len;
- const char *pv = SvPV(sv, len);
+ const char * const pv = SvPV_const(sv, len);
register char *newaddr;
++len;
- New(903,newaddr,len,char);
- return CopyD(pv,newaddr,len,char);
+ Newx(newaddr,len,char);
+ return (char *) CopyD(pv,newaddr,len,char);
}
return PL_mess_sv;
/* Create as PVMG now, to avoid any upgrading later */
- New(905, sv, 1, SV);
- Newz(905, any, 1, XPVMG);
+ Newx(sv, 1, SV);
+ Newxz(any, 1, XPVMG);
SvFLAGS(sv) = SVt_PVMG;
SvANY(sv) = (void*)any;
+ SvPV_set(sv, 0);
SvREFCNT(sv) = 1 << 30; /* practically infinite */
PL_mess_sv = sv;
return sv;
char *
Perl_vform(pTHX_ const char *pat, va_list *args)
{
- SV *sv = mess_alloc();
+ SV * const sv = mess_alloc();
sv_vsetpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*));
return SvPVX(sv);
}
}
STATIC COP*
-S_closest_cop(pTHX_ COP *cop, OP *o)
+S_closest_cop(pTHX_ COP *cop, const OP *o)
{
/* Look for PL_op starting from o. cop is the last COP we've seen. */
/* Nothing found. */
- return 0;
+ return Null(COP *);
}
SV *
Perl_vmess(pTHX_ const char *pat, va_list *args)
{
- SV *sv = mess_alloc();
- static char dgd[] = " during global destruction.\n";
+ SV * const sv = mess_alloc();
+ static const 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') {
OutCopFILE(cop), (IV)CopLINE(cop));
if (GvIO(PL_last_in_gv) && IoLINES(GvIOp(PL_last_in_gv))) {
const bool line_mode = (RsSIMPLE(PL_rs) &&
- SvCUR(PL_rs) == 1 && *SvPVX(PL_rs) == '\n');
+ SvCUR(PL_rs) == 1 && *SvPVX_const(PL_rs) == '\n');
Perl_sv_catpvf(aTHX_ sv, ", <%s> %s %"IVdf,
PL_last_in_gv == PL_argvgv ?
"" : GvNAME(PL_last_in_gv),
void
Perl_write_to_stderr(pTHX_ const char* message, int msglen)
{
+ dVAR;
IO *io;
MAGIC *mg;
else {
#ifdef USE_SFIO
/* SFIO can really mess with your errno */
- int e = errno;
+ const int e = errno;
#endif
- PerlIO *serr = Perl_error_log;
+ PerlIO * const serr = Perl_error_log;
PERL_WRITE_MSG_TO_CONSOLE(serr, message, msglen);
(void)PerlIO_flush(serr);
/* Common code used by vcroak, vdie and vwarner */
-void S_vdie_common(pTHX_ const char *message, STRLEN msglen, I32 utf8);
-
-char *
-S_vdie_croak_common(pTHX_ const char* pat, va_list* args, STRLEN* msglen,
- I32* utf8)
-{
- char *message;
-
- if (pat) {
- SV *msv = vmess(pat, args);
- if (PL_errors && SvCUR(PL_errors)) {
- sv_catsv(PL_errors, msv);
- message = SvPV(PL_errors, *msglen);
- SvCUR_set(PL_errors, 0);
- }
- else
- message = SvPV(msv,*msglen);
- *utf8 = SvUTF8(msv);
- }
- else {
- message = Nullch;
- }
-
- DEBUG_S(PerlIO_printf(Perl_debug_log,
- "%p: die/croak: message = %s\ndiehook = %p\n",
- thr, message, PL_diehook));
- if (PL_diehook) {
- S_vdie_common(aTHX_ message, *msglen, *utf8);
- }
- return message;
-}
-
-void
+STATIC void
S_vdie_common(pTHX_ const char *message, STRLEN msglen, I32 utf8)
{
HV *stash;
GV *gv;
CV *cv;
/* sv_2cv might call Perl_croak() */
- SV *olddiehook = PL_diehook;
+ SV * const olddiehook = PL_diehook;
assert(PL_diehook);
ENTER;
}
}
+STATIC const char *
+S_vdie_croak_common(pTHX_ const char* pat, va_list* args, STRLEN* msglen,
+ I32* utf8)
+{
+ dVAR;
+ const char *message;
+
+ if (pat) {
+ SV * const msv = vmess(pat, args);
+ if (PL_errors && SvCUR(PL_errors)) {
+ sv_catsv(PL_errors, msv);
+ message = SvPV_const(PL_errors, *msglen);
+ SvCUR_set(PL_errors, 0);
+ }
+ else
+ message = SvPV_const(msv,*msglen);
+ *utf8 = SvUTF8(msv);
+ }
+ else {
+ message = Nullch;
+ }
+
+ DEBUG_S(PerlIO_printf(Perl_debug_log,
+ "%p: die/croak: message = %s\ndiehook = %p\n",
+ thr, message, PL_diehook));
+ if (PL_diehook) {
+ S_vdie_common(aTHX_ message, *msglen, *utf8);
+ }
+ return message;
+}
+
OP *
Perl_vdie(pTHX_ const char* pat, va_list *args)
{
"%p: die: curstack = %p, mainstack = %p\n",
thr, PL_curstack, PL_mainstack));
- message = S_vdie_croak_common(aTHX_ pat, args, &msglen, &utf8);
+ message = vdie_croak_common(pat, args, &msglen, &utf8);
PL_restartop = die_where(message, msglen);
SvFLAGS(ERRSV) |= utf8;
JMPENV_JUMP(3);
}
else if (!message)
- message = SvPVx(ERRSV, msglen);
+ message = SvPVx_const(ERRSV, msglen);
write_to_stderr(message, msglen);
my_failure_exit();
void
Perl_vwarn(pTHX_ const char* pat, va_list *args)
{
- char *message;
- HV *stash;
- GV *gv;
- CV *cv;
- SV *msv;
+ dVAR;
STRLEN msglen;
- I32 utf8 = 0;
-
- msv = vmess(pat, args);
- utf8 = SvUTF8(msv);
- message = SvPV(msv, msglen);
+ SV * const msv = vmess(pat, args);
+ const I32 utf8 = SvUTF8(msv);
+ const char * const message = SvPV_const(msv, msglen);
if (PL_warnhook) {
/* sv_2cv might call Perl_warn() */
- SV *oldwarnhook = PL_warnhook;
+ SV * const oldwarnhook = PL_warnhook;
+ CV * cv;
+ HV * stash;
+ GV * gv;
+
ENTER;
SAVESPTR(PL_warnhook);
PL_warnhook = Nullsv;
SV *msg;
ENTER;
+ SAVESPTR(PL_warnhook);
+ PL_warnhook = Nullsv;
save_re_context();
msg = newSVpvn(message, msglen);
SvFLAGS(msg) |= utf8;
void
Perl_warner_nocontext(U32 err, const char *pat, ...)
{
- dTHX;
+ dTHX;
va_list args;
va_start(args, pat);
vwarner(err, pat, &args);
void
Perl_vwarner(pTHX_ U32 err, const char* pat, va_list* args)
{
+ dVAR;
if (ckDEAD(err)) {
- SV *msv = vmess(pat, args);
+ SV * const msv = vmess(pat, args);
STRLEN msglen;
- const char *message = SvPV(msv, msglen);
- I32 utf8 = SvUTF8(msv);
+ const char * const message = SvPV_const(msv, msglen);
+ const I32 utf8 = SvUTF8(msv);
if (PL_diehook) {
assert(message);
}
}
+/* implements the ckWARN? macros */
+
+bool
+Perl_ckwarn(pTHX_ U32 w)
+{
+ return
+ (
+ isLEXWARN_on
+ && PL_curcop->cop_warnings != pWARN_NONE
+ && (
+ PL_curcop->cop_warnings == pWARN_ALL
+ || isWARN_on(PL_curcop->cop_warnings, unpackWARN1(w))
+ || (unpackWARN2(w) &&
+ isWARN_on(PL_curcop->cop_warnings, unpackWARN2(w)))
+ || (unpackWARN3(w) &&
+ isWARN_on(PL_curcop->cop_warnings, unpackWARN3(w)))
+ || (unpackWARN4(w) &&
+ isWARN_on(PL_curcop->cop_warnings, unpackWARN4(w)))
+ )
+ )
+ ||
+ (
+ isLEXWARN_off && PL_dowarn & G_WARN_ON
+ )
+ ;
+}
+
+/* implements the ckWARN?_d macro */
+
+bool
+Perl_ckwarn_d(pTHX_ U32 w)
+{
+ return
+ isLEXWARN_off
+ || PL_curcop->cop_warnings == pWARN_ALL
+ || (
+ PL_curcop->cop_warnings != pWARN_NONE
+ && (
+ isWARN_on(PL_curcop->cop_warnings, unpackWARN1(w))
+ || (unpackWARN2(w) &&
+ isWARN_on(PL_curcop->cop_warnings, unpackWARN2(w)))
+ || (unpackWARN3(w) &&
+ isWARN_on(PL_curcop->cop_warnings, unpackWARN3(w)))
+ || (unpackWARN4(w) &&
+ isWARN_on(PL_curcop->cop_warnings, unpackWARN4(w)))
+ )
+ )
+ ;
+}
+
+
+
/* since we've already done strlen() for both nam and val
* we can use that info to make things faster than
* sprintf(s, "%s=%s", nam, val)
void
Perl_my_setenv(pTHX_ const char *nam, const char *val)
{
+ dVAR;
#ifdef USE_ITHREADS
/* only parent thread can modify process environment */
if (PL_curinterp == aTHX)
I32 max;
char **tmpenv;
- /*SUPPRESS 530*/
for (max = i; environ[max]; max++) ;
tmpenv = (char**)safesysmalloc((max+2) * sizeof(char*));
for (j=0; j<max; j++) { /* copy environment */
my_setenv_format(environ[i], nam, nlen, val, vlen);
} else {
# endif
-# if defined(__CYGWIN__) || defined( EPOC)
- setenv(nam, val, 1);
+# if defined(__CYGWIN__) || defined(EPOC) || defined(__SYMBIAN32__)
+# if defined(HAS_UNSETENV)
+ if (val == NULL) {
+ (void)unsetenv(nam);
+ } else {
+ (void)setenv(nam, val, 1);
+ }
+# else /* ! HAS_UNSETENV */
+ (void)setenv(nam, val, 1);
+# endif /* HAS_UNSETENV */
# else
- char *new_env;
- int nlen = strlen(nam), vlen;
- if (!val) {
- val = "";
- }
- vlen = strlen(val);
- new_env = (char*)safesysmalloc((nlen + vlen + 2) * sizeof(char));
- /* all that work just for this */
- my_setenv_format(new_env, nam, nlen, val, vlen);
- (void)putenv(new_env);
+# if defined(HAS_UNSETENV)
+ if (val == NULL) {
+ (void)unsetenv(nam);
+ } else {
+ const int nlen = strlen(nam);
+ const int vlen = strlen(val);
+ char * const new_env =
+ (char*)safesysmalloc((nlen + vlen + 2) * sizeof(char));
+ my_setenv_format(new_env, nam, nlen, val, vlen);
+ (void)putenv(new_env);
+ }
+# else /* ! HAS_UNSETENV */
+ char *new_env;
+ const int nlen = strlen(nam);
+ int vlen;
+ if (!val) {
+ val = "";
+ }
+ vlen = strlen(val);
+ new_env = (char*)safesysmalloc((nlen + vlen + 2) * sizeof(char));
+ /* all that work just for this */
+ my_setenv_format(new_env, nam, nlen, val, vlen);
+ (void)putenv(new_env);
+# endif /* HAS_UNSETENV */
# endif /* __CYGWIN__ */
#ifndef PERL_USE_SAFE_PUTENV
}
void
Perl_my_setenv(pTHX_ const char *nam, const char *val)
{
+ dVAR;
register char *envstr;
const int nlen = strlen(nam);
int vlen;
val = "";
}
vlen = strlen(val);
- New(904, envstr, nlen+vlen+2, char);
+ Newx(envstr, nlen+vlen+2, char);
my_setenv_format(envstr, nam, nlen, val, vlen);
(void)PerlEnv_putenv(envstr);
Safefree(envstr);
I32
Perl_setenv_getix(pTHX_ const char *nam)
{
- register I32 i, len = strlen(nam);
+ register I32 i;
+ register const I32 len = strlen(nam);
for (i = 0; environ[i]; i++) {
if (
#ifdef UNLINK_ALL_VERSIONS
I32
-Perl_unlnk(pTHX_ char *f) /* unlink all versions of a file */
+Perl_unlnk(pTHX_ const char *f) /* unlink all versions of a file */
{
I32 i;
char *
Perl_my_bcopy(register const char *from,register char *to,register I32 len)
{
- char *retval = to;
+ char * const retval = to;
if (from - to >= 0) {
while (len--)
void *
Perl_my_memset(register char *loc, register I32 ch, register I32 len)
{
- char *retval = loc;
+ char * const retval = loc;
while (len--)
*loc++ = ch;
char *
Perl_my_bzero(register char *loc, register I32 len)
{
- char *retval = loc;
+ char * const retval = loc;
while (len--)
*loc++ = 0;
register I32 tmp;
while (len--) {
- if (tmp = *a++ - *b++)
+ if ((tmp = *a++ - *b++))
return tmp;
}
return 0;
LOCK_FDPID_MUTEX;
sv = *av_fetch(PL_fdpid,p[This],TRUE);
UNLOCK_FDPID_MUTEX;
- (void)SvUPGRADE(sv,SVt_IV);
- SvIVX(sv) = pid;
+ SvUPGRADE(sv,SVt_IV);
+ SvIV_set(sv, pid);
PL_forkprocess = pid;
/* If we managed to get status pipe check for exec fail */
if (did_pipes && pid > 0) {
/* VMS' my_popen() is in VMS.c, same with OS/2. */
#if (!defined(DOSISH) || defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(__OPEN_VM) && !defined(EPOC) && !defined(MACOS_TRADITIONAL)
PerlIO *
-Perl_my_popen(pTHX_ char *cmd, char *mode)
+Perl_my_popen(pTHX_ const char *cmd, const char *mode)
{
int p[2];
register I32 This, that;
register Pid_t pid;
SV *sv;
- I32 doexec = !(*cmd == '-' && cmd[1] == '\0');
+ const I32 doexec = !(*cmd == '-' && cmd[1] == '\0');
I32 did_pipes = 0;
int pp[2];
#ifndef OS2
if (doexec) {
#if !defined(HAS_FCNTL) || !defined(F_SETFD)
- int fd;
-
#ifndef NOFILE
#define NOFILE 20
#endif
PerlProc__exit(1);
}
#endif /* defined OS2 */
- /*SUPPRESS 560*/
if ((tmpgv = gv_fetchpv("$",TRUE, SVt_PV))) {
SvREADONLY_off(GvSV(tmpgv));
sv_setiv(GvSV(tmpgv), PerlProc_getpid());
PL_ppid = (IV)getppid();
#endif
PL_forkprocess = 0;
+#ifdef PERL_USES_PL_PIDSTATUS
hv_clear(PL_pidstatus); /* we have no children */
+#endif
return Nullfp;
#undef THIS
#undef THAT
LOCK_FDPID_MUTEX;
sv = *av_fetch(PL_fdpid,p[This],TRUE);
UNLOCK_FDPID_MUTEX;
- (void)SvUPGRADE(sv,SVt_IV);
- SvIVX(sv) = pid;
+ SvUPGRADE(sv,SVt_IV);
+ SvIV_set(sv, pid);
PL_forkprocess = pid;
if (did_pipes && pid > 0) {
int errkid;
void
Perl_atfork_lock(void)
{
+ dVAR;
#if defined(USE_ITHREADS)
/* locks must be held in locking order (if any) */
# ifdef MYMALLOC
void
Perl_atfork_unlock(void)
{
+ dVAR;
#if defined(USE_ITHREADS)
/* locks must be released in same order as in atfork_lock() */
# ifdef MYMALLOC
PerlIO_printf(Perl_debug_log," %d",fd);
}
PerlIO_printf(Perl_debug_log,"\n");
+ return;
}
#endif /* DUMP_FDS */
Sighandler_t
Perl_rsignal(pTHX_ int signo, Sighandler_t handler)
{
+ dVAR;
struct sigaction act, oact;
#ifdef USE_ITHREADS
/* only "parent" interpreter can diddle signals */
if (PL_curinterp != aTHX)
- return SIG_ERR;
+ return (Sighandler_t) SIG_ERR;
#endif
- act.sa_handler = handler;
+ act.sa_handler = (void(*)(int))handler;
sigemptyset(&act.sa_mask);
act.sa_flags = 0;
#ifdef SA_RESTART
act.sa_flags |= SA_RESTART; /* SVR4, 4.3+BSD */
#endif
#if defined(SA_NOCLDWAIT) && !defined(BSDish) /* See [perl #18849] */
- if (signo == SIGCHLD && handler == (Sighandler_t)SIG_IGN)
+ if (signo == SIGCHLD && handler == (Sighandler_t) SIG_IGN)
act.sa_flags |= SA_NOCLDWAIT;
#endif
if (sigaction(signo, &act, &oact) == -1)
- return SIG_ERR;
+ return (Sighandler_t) SIG_ERR;
else
- return oact.sa_handler;
+ return (Sighandler_t) oact.sa_handler;
}
Sighandler_t
struct sigaction oact;
if (sigaction(signo, (struct sigaction *)NULL, &oact) == -1)
- return SIG_ERR;
+ return (Sighandler_t) SIG_ERR;
else
- return oact.sa_handler;
+ return (Sighandler_t) oact.sa_handler;
}
int
Perl_rsignal_save(pTHX_ int signo, Sighandler_t handler, Sigsave_t *save)
{
+ dVAR;
struct sigaction act;
#ifdef USE_ITHREADS
return -1;
#endif
- act.sa_handler = handler;
+ act.sa_handler = (void(*)(int))handler;
sigemptyset(&act.sa_mask);
act.sa_flags = 0;
#ifdef SA_RESTART
act.sa_flags |= SA_RESTART; /* SVR4, 4.3+BSD */
#endif
#if defined(SA_NOCLDWAIT) && !defined(BSDish) /* See [perl #18849] */
- if (signo == SIGCHLD && handler == (Sighandler_t)SIG_IGN)
+ if (signo == SIGCHLD && handler == (Sighandler_t) SIG_IGN)
act.sa_flags |= SA_NOCLDWAIT;
#endif
return sigaction(signo, &act, save);
int
Perl_rsignal_restore(pTHX_ int signo, Sigsave_t *save)
{
+ dVAR;
#ifdef USE_ITHREADS
/* only "parent" interpreter can diddle signals */
if (PL_curinterp != aTHX)
#if defined(USE_ITHREADS) && !defined(WIN32)
/* only "parent" interpreter can diddle signals */
if (PL_curinterp != aTHX)
- return SIG_ERR;
+ return (Sighandler_t) SIG_ERR;
#endif
return PerlProc_signal(signo, handler);
}
-static int sig_trapped; /* XXX signals are process-wide anyway, so we
- ignore the implications of this for threading */
-
static
Signal_t
sig_trap(int signo)
{
- sig_trapped++;
+ dVAR;
+ PL_sig_trapped++;
}
Sighandler_t
Perl_rsignal_state(pTHX_ int signo)
{
+ dVAR;
Sighandler_t oldsig;
#if defined(USE_ITHREADS) && !defined(WIN32)
/* only "parent" interpreter can diddle signals */
if (PL_curinterp != aTHX)
- return SIG_ERR;
+ return (Sighandler_t) SIG_ERR;
#endif
- sig_trapped = 0;
+ PL_sig_trapped = 0;
oldsig = PerlProc_signal(signo, sig_trap);
PerlProc_signal(signo, oldsig);
- if (sig_trapped)
+ if (PL_sig_trapped)
PerlProc_kill(PerlProc_getpid(), signo);
return oldsig;
}
return -1;
#endif
*save = PerlProc_signal(signo, handler);
- return (*save == SIG_ERR) ? -1 : 0;
+ return (*save == (Sighandler_t) SIG_ERR) ? -1 : 0;
}
int
if (PL_curinterp != aTHX)
return -1;
#endif
- return (PerlProc_signal(signo, *save) == SIG_ERR) ? -1 : 0;
+ return (PerlProc_signal(signo, *save) == (Sighandler_t) SIG_ERR) ? -1 : 0;
}
#endif /* !HAS_SIGACTION */
Pid_t pid2;
bool close_failed;
int saved_errno = 0;
-#ifdef VMS
- int saved_vaxc_errno;
-#endif
#ifdef WIN32
int saved_win32_errno;
#endif
#endif
if ((close_failed = (PerlIO_close(ptr) == EOF))) {
saved_errno = errno;
-#ifdef VMS
- saved_vaxc_errno = vaxc$errno;
-#endif
#ifdef WIN32
saved_win32_errno = GetLastError();
#endif
if(PerlProc_kill(pid, 0) < 0) { return(pid); } /* HOM 12/23/91 */
#endif
#ifndef PERL_MICRO
- rsignal_save(SIGHUP, SIG_IGN, &hstat);
- rsignal_save(SIGINT, SIG_IGN, &istat);
- rsignal_save(SIGQUIT, SIG_IGN, &qstat);
+ rsignal_save(SIGHUP, (Sighandler_t) SIG_IGN, &hstat);
+ rsignal_save(SIGINT, (Sighandler_t) SIG_IGN, &istat);
+ rsignal_save(SIGQUIT, (Sighandler_t) SIG_IGN, &qstat);
#endif
do {
pid2 = wait4pid(pid, &status, 0);
rsignal_restore(SIGQUIT, &qstat);
#endif
if (close_failed) {
- SETERRNO(saved_errno, saved_vaxc_errno);
+ SETERRNO(saved_errno, 0);
return -1;
}
return(pid2 < 0 ? pid2 : status == 0 ? 0 : (errno = 0, status));
I32
Perl_wait4pid(pTHX_ Pid_t pid, int *statusp, int flags)
{
- I32 result;
+ I32 result = 0;
if (!pid)
return -1;
-#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
+#ifdef PERL_USES_PL_PIDSTATUS
{
- SV *sv;
- SV** svp;
- char spid[TYPE_CHARS(IV)];
-
if (pid > 0) {
- sprintf(spid, "%"IVdf, (IV)pid);
- svp = hv_fetch(PL_pidstatus,spid,strlen(spid),FALSE);
+ /* The keys in PL_pidstatus are now the raw 4 (or 8) bytes of the
+ pid, rather than a string form. */
+ SV * const * const svp = hv_fetch(PL_pidstatus,(const char*) &pid,sizeof(Pid_t),FALSE);
if (svp && *svp != &PL_sv_undef) {
*statusp = SvIVX(*svp);
- (void)hv_delete(PL_pidstatus,spid,strlen(spid),G_DISCARD);
+ (void)hv_delete(PL_pidstatus,(const char*) &pid,sizeof(Pid_t),
+ G_DISCARD);
return pid;
}
}
hv_iterinit(PL_pidstatus);
if ((entry = hv_iternext(PL_pidstatus))) {
- pid = atoi(hv_iterkey(entry,(I32*)statusp));
- sv = hv_iterval(PL_pidstatus,entry);
+ SV * const sv = hv_iterval(PL_pidstatus,entry);
+ I32 len;
+ const char * const spid = hv_iterkey(entry,&len);
+
+ assert (len == sizeof(Pid_t));
+ memcpy((char *)&pid, spid, len);
*statusp = SvIVX(sv);
- sprintf(spid, "%"IVdf, (IV)pid);
- (void)hv_delete(PL_pidstatus,spid,strlen(spid),G_DISCARD);
+ /* The hash iterator is currently on this entry, so simply
+ calling hv_delete would trigger the lazy delete, which on
+ aggregate does more work, beacuse next call to hv_iterinit()
+ would spot the flag, and have to call the delete routine,
+ while in the meantime any new entries can't re-use that
+ memory. */
+ hv_iterinit(PL_pidstatus);
+ (void)hv_delete(PL_pidstatus,spid,len,G_DISCARD);
return pid;
}
}
result = wait4((pid==-1)?0:pid,statusp,flags,Null(struct rusage *));
goto finish;
#endif
-#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
+#ifdef PERL_USES_PL_PIDSTATUS
+#if defined(HAS_WAITPID) && defined(HAS_WAITPID_RUNTIME)
hard_way:
+#endif
{
if (flags)
Perl_croak(aTHX_ "Can't do waitpid with flags");
}
}
#endif
+#if defined(HAS_WAITPID) || defined(HAS_WAIT4)
finish:
+#endif
if (result < 0 && errno == EINTR) {
PERL_ASYNC_CHECK();
}
}
#endif /* !DOSISH || OS2 || WIN32 || NETWARE */
+#ifdef PERL_USES_PL_PIDSTATUS
void
-/*SUPPRESS 590*/
Perl_pidgone(pTHX_ Pid_t pid, int status)
{
register SV *sv;
- char spid[TYPE_CHARS(IV)];
- sprintf(spid, "%"IVdf, (IV)pid);
- sv = *hv_fetch(PL_pidstatus,spid,strlen(spid),TRUE);
- (void)SvUPGRADE(sv,SVt_IV);
- SvIVX(sv) = status;
+ sv = *hv_fetch(PL_pidstatus,(const char*)&pid,sizeof(Pid_t),TRUE);
+ SvUPGRADE(sv,SVt_IV);
+ SvIV_set(sv, status);
return;
}
+#endif
#if defined(atarist) || defined(OS2) || defined(EPOC)
int pclose();
#endif
{
/* Needs work for PerlIO ! */
- FILE *f = PerlIO_findFILE(ptr);
- I32 result = pclose(f);
+ FILE * const f = PerlIO_findFILE(ptr);
+ const I32 result = pclose(f);
PerlIO_releaseFILE(ptr,f);
return result;
}
Perl_my_pclose(pTHX_ PerlIO *ptr)
{
/* Needs work for PerlIO ! */
- FILE *f = PerlIO_findFILE(ptr);
+ FILE * const f = PerlIO_findFILE(ptr);
I32 result = djgpp_pclose(f);
result = (result << 8) & 0xff00;
PerlIO_releaseFILE(ptr,f);
Perl_repeatcpy(pTHX_ register char *to, register const char *from, I32 len, register I32 count)
{
register I32 todo;
- register const char *frombase = from;
+ register const char * const frombase = from;
if (len == 1) {
register const char c = *from;
#ifndef HAS_RENAME
I32
-Perl_same_dirent(pTHX_ char *a, char *b)
+Perl_same_dirent(pTHX_ const char *a, const char *b)
{
char *fa = strrchr(a,'/');
char *fb = strrchr(b,'/');
Stat_t tmpstatbuf1;
Stat_t tmpstatbuf2;
- SV *tmpsv = sv_newmortal();
+ SV * const tmpsv = sv_newmortal();
if (fa)
fa++;
if (strNE(a,b))
return FALSE;
if (fa == a)
- sv_setpv(tmpsv, ".");
+ sv_setpvn(tmpsv, ".", 1);
else
sv_setpvn(tmpsv, a, fa - a);
- if (PerlLIO_stat(SvPVX(tmpsv), &tmpstatbuf1) < 0)
+ if (PerlLIO_stat(SvPVX_const(tmpsv), &tmpstatbuf1) < 0)
return FALSE;
if (fb == b)
- sv_setpv(tmpsv, ".");
+ sv_setpvn(tmpsv, ".", 1);
else
sv_setpvn(tmpsv, b, fb - b);
- if (PerlLIO_stat(SvPVX(tmpsv), &tmpstatbuf2) < 0)
+ if (PerlLIO_stat(SvPVX_const(tmpsv), &tmpstatbuf2) < 0)
return FALSE;
return tmpstatbuf1.st_dev == tmpstatbuf2.st_dev &&
tmpstatbuf1.st_ino == tmpstatbuf2.st_ino;
#endif /* !HAS_RENAME */
char*
-Perl_find_script(pTHX_ const char *scriptname, bool dosearch, const char **search_ext, I32 flags)
+Perl_find_script(pTHX_ const char *scriptname, bool dosearch,
+ const char *const *const search_ext, I32 flags)
{
const char *xfound = Nullch;
char *xfailed = Nullch;
#endif
/* additional extensions to try in each dir if scriptname not found */
#ifdef SEARCH_EXTS
- const char *exts[] = { SEARCH_EXTS };
- const char **ext = search_ext ? search_ext : exts;
+ static const char *const exts[] = { SEARCH_EXTS };
+ const char *const *const ext = search_ext ? search_ext : exts;
int extidx = 0, i = 0;
const char *curext = Nullch;
#else
- (void)search_ext;
+ PERL_UNUSED_ARG(search_ext);
# define MAX_EXT_LEN 0
#endif
# ifdef ALWAYS_DEFTYPES
len = strlen(scriptname);
if (!(len == 1 && *scriptname == '-') && scriptname[len-1] != ':') {
- int hasdir, idx = 0, deftypes = 1;
+ int idx = 0, deftypes = 1;
bool seen_dot = 1;
- hasdir = !dosearch || (strpbrk(scriptname,":[</") != Nullch) ;
+ const int hasdir = !dosearch || (strpbrk(scriptname,":[</") != Nullch);
# else
if (dosearch) {
- int hasdir, idx = 0, deftypes = 1;
+ int idx = 0, deftypes = 1;
bool seen_dot = 1;
- hasdir = (strpbrk(scriptname,":[</") != Nullch) ;
+ const int hasdir = (strpbrk(scriptname,":[</") != Nullch);
# endif
/* The first time through, just add SEARCH_EXTS to whatever we
* already have, so we can check for default file types. */
if (strEQ(scriptname, "-"))
dosearch = 0;
if (dosearch) { /* Look in '.' first. */
- char *cur = scriptname;
+ const char *cur = scriptname;
#ifdef SEARCH_EXTS
if ((curext = strrchr(scriptname,'.'))) /* possible current ext */
while (ext[i])
len = strlen(scriptname);
if (len+MAX_EXT_LEN+1 >= sizeof(tmpbuf))
break;
+ /* FIXME? Convert to memcpy */
cur = strcpy(tmpbuf, scriptname);
}
} while (extidx >= 0 && ext[extidx] /* try an extension? */
tmpbuf[len++] = ':';
#else
if (len
-#if defined(atarist) || defined(__MINT__) || defined(DOSISH)
+# if defined(atarist) || defined(__MINT__) || defined(DOSISH)
&& tmpbuf[len - 1] != '/'
&& tmpbuf[len - 1] != '\\'
-#endif
+# endif
)
tmpbuf[len++] = '/';
if (len == 2 && tmpbuf[0] == '.')
seen_dot = 1;
#endif
+ /* FIXME? Convert to memcpy by storing previous strlen(scriptname)
+ */
(void)strcpy(tmpbuf + len, scriptname);
#endif /* !VMS */
}
scriptname = Nullch;
}
- if (xfailed)
- Safefree(xfailed);
+ Safefree(xfailed);
scriptname = xfound;
}
return (scriptname ? savepv(scriptname) : Nullch);
void *
Perl_get_context(void)
{
+ dVAR;
#if defined(USE_ITHREADS)
# ifdef OLD_PTHREADS_API
pthread_addr_t t;
void
Perl_set_context(void *t)
{
+ dVAR;
#if defined(USE_ITHREADS)
# ifdef I_MACH_CTHREADS
cthread_set_data(cthread_self(), t);
if (pthread_setspecific(PL_thr_key, t))
Perl_croak_nocontext("panic: pthread_setspecific");
# endif
+#else
+ PERL_UNUSED_ARG(t);
#endif
}
#endif /* !PERL_GET_CONTEXT_DEFINED */
-#ifdef PERL_GLOBAL_STRUCT
+#if defined(PERL_GLOBAL_STRUCT) && !defined(PERL_GLOBAL_STRUCT_PRIVATE)
struct perl_vars *
Perl_GetVars(pTHX)
{
}
#endif
-const char **
+char **
Perl_get_op_names(pTHX)
{
- return PL_op_name;
+ return (char **)PL_op_name;
}
-const char **
+char **
Perl_get_op_descs(pTHX)
{
- return PL_op_desc;
+ return (char **)PL_op_desc;
}
const char *
U32 *
Perl_get_opargs(pTHX)
{
- return PL_opargs;
+ return (U32 *)PL_opargs;
}
PPADDR_t*
Perl_get_ppaddr(pTHX)
{
+ dVAR;
return (PPADDR_t*)PL_ppaddr;
}
char *
Perl_getenv_len(pTHX_ const char *env_elem, unsigned long *len)
{
- char *env_trans = PerlEnv_getenv(env_elem);
+ char * const env_trans = PerlEnv_getenv(env_elem);
if (env_trans)
*len = strlen(env_trans);
return env_trans;
MGVTBL*
Perl_get_vtbl(pTHX_ int vtbl_id)
{
- MGVTBL* result = Null(MGVTBL*);
+ const MGVTBL* result;
switch(vtbl_id) {
case want_vtbl_sv:
case want_vtbl_utf8:
result = &PL_vtbl_utf8;
break;
+ default:
+ result = Null(MGVTBL*);
+ break;
}
- return result;
+ return (MGVTBL*)result;
}
I32
void
Perl_report_evil_fh(pTHX_ const GV *gv, const IO *io, I32 op)
{
- const char *func =
+ const char * const func =
op == OP_READLINE ? "readline" : /* "<HANDLE>" not nice */
op == OP_LEAVEWRITE ? "write" : /* "write exit" not nice */
PL_op_desc[op];
- const char *pars = OP_IS_FILETEST(op) ? "" : "()";
- const char *type = OP_IS_SOCKET(op)
+ const char * const pars = OP_IS_FILETEST(op) ? "" : "()";
+ const char * const type = OP_IS_SOCKET(op)
|| (gv && io && IoTYPE(io) == IoTYPE_SOCKET)
? "socket" : "filehandle";
- const char *name = NULL;
-
- if (gv && isGV(gv)) {
- name = GvENAME(gv);
- }
+ const char * const name = gv && isGV(gv) ? GvENAME(gv) : NULL;
if (op == OP_phoney_OUTPUT_ONLY || op == OP_phoney_INPUT_ONLY) {
if (ckWARN(WARN_IO)) {
- const char *direction = (op == OP_phoney_INPUT_ONLY) ? "in" : "out";
+ const char * const direction = (op == OP_phoney_INPUT_ONLY) ? "in" : "out";
if (name && *name)
Perl_warner(aTHX_ packWARN(WARN_IO),
"Filehandle %s opened only for %sput",
{
#ifdef HAS_TM_TM_ZONE
Time_t now;
+ const struct tm* my_tm;
(void)time(&now);
- Copy(localtime(&now), ptm, 1, struct tm);
+ my_tm = localtime(&now);
+ if (my_tm)
+ Copy(my_tm, ptm, 1, struct tm);
+#else
+ PERL_UNUSED_ARG(ptm);
#endif
}
} STMT_END;
#endif
buflen = 64;
- New(0, buf, buflen, char);
+ Newx(buf, buflen, char);
len = strftime(buf, buflen, fmt, &mytm);
/*
** The following is needed to handle to the situation where
const int fmtlen = strlen(fmt);
const int bufsize = fmtlen + buflen;
- New(0, buf, bufsize, char);
+ Newx(buf, bufsize, char);
while (buf) {
buflen = strftime(buf, bufsize, fmt, &mytm);
if (buflen > 0 && buflen < bufsize)
}
#else
Perl_croak(aTHX_ "panic: no strftime");
+ return NULL;
#endif
}
* size from the heap if they are given a NULL buffer pointer.
* The problem is that this behaviour is not portable. */
if (getcwd(buf, sizeof(buf) - 1)) {
- STRLEN len = strlen(buf);
- sv_setpvn(sv, buf, len);
+ sv_setpv(sv, buf);
return TRUE;
}
else {
Stat_t statbuf;
int orig_cdev, orig_cino, cdev, cino, odev, oino, tdev, tino;
- int namelen, pathlen=0;
- DIR *dir;
+ int pathlen=0;
Direntry_t *dp;
- (void)SvUPGRADE(sv, SVt_PV);
+ SvUPGRADE(sv, SVt_PV);
if (PerlLIO_lstat(".", &statbuf) < 0) {
SV_CWD_RETURN_UNDEF;
cino = orig_cino;
for (;;) {
+ DIR *dir;
odev = cdev;
oino = cino;
while ((dp = PerlDir_read(dir)) != NULL) {
#ifdef DIRNAMLEN
- namelen = dp->d_namlen;
+ const int namelen = dp->d_namlen;
#else
- namelen = strlen(dp->d_name);
+ const int namelen = strlen(dp->d_name);
#endif
/* skip . and .. */
if (SV_CWD_ISDOT(dp)) {
if (pathlen) {
/* shift down */
- Move(SvPVX(sv), SvPVX(sv) + namelen + 1, pathlen, char);
+ Move(SvPVX_const(sv), SvPVX(sv) + namelen + 1, pathlen, char);
}
/* prepend current directory to the front */
*SvEND(sv) = '\0';
SvPOK_only(sv);
- if (PerlDir_chdir(SvPVX(sv)) < 0) {
+ if (PerlDir_chdir(SvPVX_const(sv)) < 0) {
SV_CWD_RETURN_UNDEF;
}
}
=cut
*/
-char *
+const char *
Perl_scan_version(pTHX_ const char *s, SV *rv, bool qv)
{
- const char *start = s;
- const char *pos = s;
- I32 saw_period = 0;
- bool saw_under = 0;
- SV* sv = newSVrv(rv, "version"); /* create an SV and upgrade the RV */
- (void)sv_upgrade(sv, SVt_PVAV); /* needs to be an AV type */
- AvREAL_on((AV*)sv);
-
- /* pre-scan the imput string to check for decimals */
+ const char *start;
+ const char *pos;
+ const char *last;
+ int saw_period = 0;
+ int alpha = 0;
+ int width = 3;
+ AV * const av = newAV();
+ SV * const hv = newSVrv(rv, "version"); /* create an SV and upgrade the RV */
+ (void)sv_upgrade(hv, SVt_PVHV); /* needs to be an HV type */
+
+#ifndef NODEFAULT_SHAREKEYS
+ HvSHAREKEYS_on(hv); /* key-sharing on by default */
+#endif
+
+ while (isSPACE(*s)) /* leading whitespace is OK */
+ s++;
+
+ if (*s == 'v') {
+ s++; /* get past 'v' */
+ qv = 1; /* force quoted version processing */
+ }
+
+ start = last = pos = s;
+
+ /* pre-scan the input string to check for decimals/underbars */
while ( *pos == '.' || *pos == '_' || isDIGIT(*pos) )
{
if ( *pos == '.' )
{
- if ( saw_under )
+ if ( alpha )
Perl_croak(aTHX_ "Invalid version format (underscores before decimal)");
saw_period++ ;
+ last = pos;
}
else if ( *pos == '_' )
{
- if ( saw_under )
+ if ( alpha )
Perl_croak(aTHX_ "Invalid version format (multiple underscores)");
- saw_under = 1;
+ alpha = 1;
+ width = pos - last - 1; /* natural width of sub-version */
}
pos++;
}
- pos = s;
- if (*pos == 'v') {
- pos++; /* get past 'v' */
+ if ( saw_period > 1 )
qv = 1; /* force quoted version processing */
- }
+
+ pos = s;
+
+ if ( qv )
+ hv_store((HV *)hv, "qv", 2, newSViv(qv), 0);
+ if ( alpha )
+ hv_store((HV *)hv, "alpha", 5, newSViv(alpha), 0);
+ if ( !qv && width < 3 )
+ hv_store((HV *)hv, "width", 5, newSViv(width), 0);
+
while (isDIGIT(*pos))
pos++;
if (!isALPHA(*pos)) {
I32 rev;
- if (*s == 'v') s++; /* get past 'v' */
-
for (;;) {
rev = 0;
{
/* this is atoi() that delimits on underscores */
- const char *end = pos;
+ const char *end = pos;
I32 mult = 1;
I32 orev;
- if ( s < pos && s > start && *(s-1) == '_' ) {
- mult *= -1; /* alpha version */
- }
+
/* the following if() will only be true after the decimal
* point of a version originally created with a bare
* floating point number, i.e. not quoted in any way
*/
- if ( !qv && s > start+1 && saw_period == 1 ) {
+ if ( !qv && s > start && saw_period == 1 ) {
mult *= 100;
while ( s < end ) {
orev = rev;
if ( PERL_ABS(orev) > PERL_ABS(rev) )
Perl_croak(aTHX_ "Integer overflow in version");
s++;
+ if ( *s == '_' )
+ s++;
}
}
else {
}
}
}
-
+
/* Append revision */
- av_push((AV *)sv, newSViv(rev));
- if ( (*pos == '.' || *pos == '_') && isDIGIT(pos[1]))
+ av_push(av, newSViv(rev));
+ if ( *pos == '.' && isDIGIT(pos[1]) )
+ s = ++pos;
+ else if ( *pos == '_' && isDIGIT(pos[1]) )
s = ++pos;
else if ( isDIGIT(*pos) )
s = pos;
s = pos;
break;
}
- while ( isDIGIT(*pos) ) {
- if ( saw_period == 1 && pos-s == 3 )
- break;
- pos++;
+ if ( qv ) {
+ while ( isDIGIT(*pos) )
+ pos++;
+ }
+ else {
+ int digits = 0;
+ while ( ( isDIGIT(*pos) || *pos == '_' ) && digits < 3 ) {
+ if ( *pos != '_' )
+ digits++;
+ pos++;
+ }
}
}
}
- if ( qv ) { /* quoted versions always become full version objects */
- I32 len = av_len((AV *)sv);
+ if ( qv ) { /* quoted versions always get at least three terms*/
+ I32 len = av_len(av);
/* This for loop appears to trigger a compiler bug on OS X, as it
loops infinitely. Yes, len is negative. No, it makes no sense.
Compiler in question is:
*/
len = 2 - len;
while (len-- > 0)
- av_push((AV *)sv, newSViv(0));
+ av_push(av, newSViv(0));
}
- return (char *)s;
+
+ if ( av_len(av) == -1 ) /* oops, someone forgot to pass a value */
+ av_push(av, newSViv(0));
+
+ /* And finally, store the AV in the hash */
+ hv_store((HV *)hv, "version", 7, newRV_noinc((SV *)av), 0);
+ return s;
}
/*
SV *
Perl_new_version(pTHX_ SV *ver)
{
- SV *rv = newSV(0);
+ SV * const rv = newSV(0);
if ( sv_derived_from(ver,"version") ) /* can just copy directly */
{
I32 key;
- AV *av = (AV *)SvRV(ver);
- SV* sv = newSVrv(rv, "version"); /* create an SV and upgrade the RV */
- (void)sv_upgrade(sv, SVt_PVAV); /* needs to be an AV type */
- AvREAL_on((AV*)sv);
- for ( key = 0; key <= av_len(av); key++ )
+ AV * const av = newAV();
+ AV *sav;
+ /* This will get reblessed later if a derived class*/
+ SV * const hv = newSVrv(rv, "version");
+ (void)sv_upgrade(hv, SVt_PVHV); /* needs to be an HV type */
+#ifndef NODEFAULT_SHAREKEYS
+ HvSHAREKEYS_on(hv); /* key-sharing on by default */
+#endif
+
+ if ( SvROK(ver) )
+ ver = SvRV(ver);
+
+ /* Begin copying all of the elements */
+ if ( hv_exists((HV *)ver, "qv", 2) )
+ hv_store((HV *)hv, "qv", 2, &PL_sv_yes, 0);
+
+ if ( hv_exists((HV *)ver, "alpha", 5) )
+ hv_store((HV *)hv, "alpha", 5, &PL_sv_yes, 0);
+
+ if ( hv_exists((HV*)ver, "width", 5 ) )
+ {
+ const I32 width = SvIV(*hv_fetch((HV*)ver, "width", 5, FALSE));
+ hv_store((HV *)hv, "width", 5, newSViv(width), 0);
+ }
+
+ sav = (AV *)SvRV(*hv_fetch((HV*)ver, "version", 7, FALSE));
+ /* This will get reblessed later if a derived class*/
+ for ( key = 0; key <= av_len(sav); key++ )
{
- I32 rev = SvIV(*av_fetch(av, key, FALSE));
- av_push((AV *)sv, newSViv(rev));
+ const I32 rev = SvIV(*av_fetch(sav, key, FALSE));
+ av_push(av, newSViv(rev));
}
+
+ hv_store((HV *)hv, "version", 7, newRV_noinc((SV *)av), 0);
return rv;
}
#ifdef SvVOK
if ( SvVOK(ver) ) { /* already a v-string */
- char *version;
- MAGIC* mg = mg_find(ver,PERL_MAGIC_vstring);
- version = savepvn( (const char*)mg->mg_ptr,mg->mg_len );
- sv_setpv(rv,version);
+ const MAGIC* const mg = mg_find(ver,PERL_MAGIC_vstring);
+ const STRLEN len = mg->mg_len;
+ char * const version = savepvn( (const char*)mg->mg_ptr, len);
+ sv_setpvn(rv,version,len);
Safefree(version);
}
else {
if ( SvNOK(ver) ) /* may get too much accuracy */
{
char tbuf[64];
- sprintf(tbuf,"%.9"NVgf, SvNVX(ver));
- version = savepv(tbuf);
+ const STRLEN len = my_sprintf(tbuf,"%.9"NVgf, SvNVX(ver));
+ version = savepvn(tbuf, len);
}
#ifdef SvVOK
else if ( SvVOK(ver) ) { /* already a v-string */
- MAGIC* mg = mg_find(ver,PERL_MAGIC_vstring);
+ const MAGIC* const mg = mg_find(ver,PERL_MAGIC_vstring);
version = savepvn( (const char*)mg->mg_ptr,mg->mg_len );
qv = 1;
}
#endif
else /* must be a string or something like a string */
{
- version = savesvpv(ver);
+ version = savepv(SvPV_nolen(ver));
}
(void)scan_version(version, ver, qv);
Safefree(version);
return ver;
}
+/*
+=for apidoc vverify
+
+Validates that the SV contains a valid version object.
+
+ bool vverify(SV *vobj);
+
+Note that it only confirms the bare minimum structure (so as not to get
+confused by derived classes which may contain additional hash entries):
+
+=over 4
+
+=item * The SV contains a [reference to a] hash
+
+=item * The hash contains a "version" key
+
+=item * The "version" key has [a reference to] an AV as its value
+
+=back
+
+=cut
+*/
+
+bool
+Perl_vverify(pTHX_ SV *vs)
+{
+ SV *sv;
+ if ( SvROK(vs) )
+ vs = SvRV(vs);
+
+ /* see if the appropriate elements exist */
+ if ( SvTYPE(vs) == SVt_PVHV
+ && hv_exists((HV*)vs, "version", 7)
+ && (sv = SvRV(*hv_fetch((HV*)vs, "version", 7, FALSE)))
+ && SvTYPE(sv) == SVt_PVAV )
+ return TRUE;
+ else
+ return FALSE;
+}
/*
=for apidoc vnumify
Perl_vnumify(pTHX_ SV *vs)
{
I32 i, len, digit;
- SV *sv = newSV(0);
+ int width;
+ bool alpha = FALSE;
+ SV * const sv = newSV(0);
+ AV *av;
if ( SvROK(vs) )
vs = SvRV(vs);
- len = av_len((AV *)vs);
+
+ if ( !vverify(vs) )
+ Perl_croak(aTHX_ "Invalid version object");
+
+ /* see if various flags exist */
+ if ( hv_exists((HV*)vs, "alpha", 5 ) )
+ alpha = TRUE;
+ if ( hv_exists((HV*)vs, "width", 5 ) )
+ width = SvIV(*hv_fetch((HV*)vs, "width", 5, FALSE));
+ else
+ width = 3;
+
+
+ /* attempt to retrieve the version array */
+ if ( !(av = (AV *)SvRV(*hv_fetch((HV*)vs, "version", 7, FALSE)) ) ) {
+ sv_catpvn(sv,"0",1);
+ return sv;
+ }
+
+ len = av_len(av);
if ( len == -1 )
{
- Perl_sv_catpv(aTHX_ sv,"0");
+ sv_catpvn(sv,"0",1);
return sv;
}
- digit = SvIVX(*av_fetch((AV *)vs, 0, 0));
- Perl_sv_setpvf(aTHX_ sv,"%d.", (int)PERL_ABS(digit));
+
+ digit = SvIV(*av_fetch(av, 0, 0));
+ Perl_sv_setpvf(aTHX_ sv, "%d.", (int)PERL_ABS(digit));
for ( i = 1 ; i < len ; i++ )
{
- digit = SvIVX(*av_fetch((AV *)vs, i, 0));
- Perl_sv_catpvf(aTHX_ sv,"%03d", (int)PERL_ABS(digit));
+ digit = SvIV(*av_fetch(av, i, 0));
+ if ( width < 3 ) {
+ const int denom = (width == 2 ? 10 : 100);
+ const div_t term = div((int)PERL_ABS(digit),denom);
+ Perl_sv_catpvf(aTHX_ sv, "%0*d_%d", width, term.quot, term.rem);
+ }
+ else {
+ Perl_sv_catpvf(aTHX_ sv, "%0*d", width, (int)digit);
+ }
}
if ( len > 0 )
{
- digit = SvIVX(*av_fetch((AV *)vs, len, 0));
- if ( (int)PERL_ABS(digit) != 0 || len == 1 )
- {
- if ( digit < 0 ) /* alpha version */
- Perl_sv_catpv(aTHX_ sv,"_");
- /* Don't display additional trailing zeros */
- Perl_sv_catpvf(aTHX_ sv,"%03d", (int)PERL_ABS(digit));
- }
+ digit = SvIV(*av_fetch(av, len, 0));
+ if ( alpha && width == 3 ) /* alpha version */
+ sv_catpvn(sv,"_",1);
+ Perl_sv_catpvf(aTHX_ sv, "%0*d", width, (int)digit);
}
else /* len == 0 */
{
- Perl_sv_catpv(aTHX_ sv,"000");
+ sv_catpvn(sv,"000",3);
}
return sv;
}
Perl_vnormal(pTHX_ SV *vs)
{
I32 i, len, digit;
- SV *sv = newSV(0);
+ bool alpha = FALSE;
+ SV * const sv = newSV(0);
+ AV *av;
if ( SvROK(vs) )
vs = SvRV(vs);
- len = av_len((AV *)vs);
+
+ if ( !vverify(vs) )
+ Perl_croak(aTHX_ "Invalid version object");
+
+ if ( hv_exists((HV*)vs, "alpha", 5 ) )
+ alpha = TRUE;
+ av = (AV *)SvRV(*hv_fetch((HV*)vs, "version", 7, FALSE));
+
+ len = av_len(av);
if ( len == -1 )
{
- Perl_sv_catpv(aTHX_ sv,"");
+ sv_catpvn(sv,"",0);
return sv;
}
- digit = SvIVX(*av_fetch((AV *)vs, 0, 0));
- Perl_sv_setpvf(aTHX_ sv,"%"IVdf,(IV)digit);
- for ( i = 1 ; i <= len ; i++ )
+ digit = SvIV(*av_fetch(av, 0, 0));
+ Perl_sv_setpvf(aTHX_ sv, "v%"IVdf, (IV)digit);
+ for ( i = 1 ; i < len ; i++ ) {
+ digit = SvIV(*av_fetch(av, i, 0));
+ Perl_sv_catpvf(aTHX_ sv, ".%"IVdf, (IV)digit);
+ }
+
+ if ( len > 0 )
{
- digit = SvIVX(*av_fetch((AV *)vs, i, 0));
- if ( digit < 0 )
- Perl_sv_catpvf(aTHX_ sv,"_%"IVdf,(IV)-digit);
+ /* handle last digit specially */
+ digit = SvIV(*av_fetch(av, len, 0));
+ if ( alpha )
+ Perl_sv_catpvf(aTHX_ sv, "_%"IVdf, (IV)digit);
else
- Perl_sv_catpvf(aTHX_ sv,".%"IVdf,(IV)digit);
+ Perl_sv_catpvf(aTHX_ sv, ".%"IVdf, (IV)digit);
}
-
+
if ( len <= 2 ) { /* short version, must be at least three */
for ( len = 2 - len; len != 0; len-- )
- Perl_sv_catpv(aTHX_ sv,".0");
+ sv_catpvn(sv,".0",2);
}
-
return sv;
-}
+}
/*
=for apidoc vstringify
SV *
Perl_vstringify(pTHX_ SV *vs)
{
- I32 len, digit;
if ( SvROK(vs) )
vs = SvRV(vs);
- len = av_len((AV *)vs);
- digit = SvIVX(*av_fetch((AV *)vs, len, 0));
- if ( len < 2 || ( len == 2 && digit < 0 ) )
- return vnumify(vs);
- else
+ if ( !vverify(vs) )
+ Perl_croak(aTHX_ "Invalid version object");
+
+ if ( hv_exists((HV *)vs, "qv", 2) )
return vnormal(vs);
+ else
+ return vnumify(vs);
}
/*
*/
int
-Perl_vcmp(pTHX_ SV *lsv, SV *rsv)
+Perl_vcmp(pTHX_ SV *lhv, SV *rhv)
{
I32 i,l,m,r,retval;
- if ( SvROK(lsv) )
- lsv = SvRV(lsv);
- if ( SvROK(rsv) )
- rsv = SvRV(rsv);
- l = av_len((AV *)lsv);
- r = av_len((AV *)rsv);
+ bool lalpha = FALSE;
+ bool ralpha = FALSE;
+ I32 left = 0;
+ I32 right = 0;
+ AV *lav, *rav;
+ if ( SvROK(lhv) )
+ lhv = SvRV(lhv);
+ if ( SvROK(rhv) )
+ rhv = SvRV(rhv);
+
+ if ( !vverify(lhv) )
+ Perl_croak(aTHX_ "Invalid version object");
+
+ if ( !vverify(rhv) )
+ Perl_croak(aTHX_ "Invalid version object");
+
+ /* get the left hand term */
+ lav = (AV *)SvRV(*hv_fetch((HV*)lhv, "version", 7, FALSE));
+ if ( hv_exists((HV*)lhv, "alpha", 5 ) )
+ lalpha = TRUE;
+
+ /* and the right hand term */
+ rav = (AV *)SvRV(*hv_fetch((HV*)rhv, "version", 7, FALSE));
+ if ( hv_exists((HV*)rhv, "alpha", 5 ) )
+ ralpha = TRUE;
+
+ l = av_len(lav);
+ r = av_len(rav);
m = l < r ? l : r;
retval = 0;
i = 0;
while ( i <= m && retval == 0 )
{
- I32 left = SvIV(*av_fetch((AV *)lsv,i,0));
- I32 right = SvIV(*av_fetch((AV *)rsv,i,0));
- bool lalpha = left < 0 ? 1 : 0;
- bool ralpha = right < 0 ? 1 : 0;
- left = abs(left);
- right = abs(right);
- if ( left < right || (left == right && lalpha && !ralpha) )
+ left = SvIV(*av_fetch(lav,i,0));
+ right = SvIV(*av_fetch(rav,i,0));
+ if ( left < right )
retval = -1;
- if ( left > right || (left == right && ralpha && !lalpha) )
+ if ( left > right )
retval = +1;
i++;
}
+ /* tiebreaker for alpha with identical terms */
+ if ( retval == 0 && l == r && left == right && ( lalpha || ralpha ) )
+ {
+ if ( lalpha && !ralpha )
+ {
+ retval = -1;
+ }
+ else if ( ralpha && !lalpha)
+ {
+ retval = +1;
+ }
+ }
+
if ( l != r && retval == 0 ) /* possible match except for trailing 0's */
{
if ( l < r )
{
while ( i <= r && retval == 0 )
{
- if ( SvIV(*av_fetch((AV *)rsv,i,0)) != 0 )
+ if ( SvIV(*av_fetch(rav,i,0)) != 0 )
retval = -1; /* not a match after all */
i++;
}
{
while ( i <= l && retval == 0 )
{
- if ( SvIV(*av_fetch((AV *)lsv,i,0)) != 0 )
+ if ( SvIV(*av_fetch(lav,i,0)) != 0 )
retval = +1; /* not a match after all */
i++;
}
errno = ECONNABORTED;
tidy_up_and_fail:
{
- int save_errno = errno;
+ const int save_errno = errno;
if (sockets[0] != -1)
PerlLIO_close(sockets[0]);
if (sockets[1] != -1)
return 0;
abort_tidy_up_and_fail:
- errno = ECONNABORTED; /* I hope this is portable and appropriate. */
+#ifdef ECONNABORTED
+ errno = ECONNABORTED; /* This would be the standard thing to do. */
+#else
+# ifdef ECONNREFUSED
+ errno = ECONNREFUSED; /* E.g. Symbian does not have ECONNABORTED. */
+# else
+ errno = ETIMEDOUT; /* Desperation time. */
+# endif
+#endif
tidy_up_and_fail:
{
- int save_errno = errno;
+ const int save_errno = errno;
if (listener != -1)
PerlLIO_close(listener);
if (connector != -1)
=for apidoc sv_nosharing
Dummy routine which "shares" an SV when there is no sharing module present.
-Exists to avoid test for a NULL function pointer and because it could potentially warn under
-some level of strict-ness.
+Or "locks" it. Or "unlocks" it. In other words, ignores its single SV argument.
+Exists to avoid test for a NULL function pointer and because it could
+potentially warn under some level of strict-ness.
=cut
*/
void
Perl_sv_nosharing(pTHX_ SV *sv)
{
- (void)sv;
-}
-
-/*
-=for apidoc sv_nolocking
-
-Dummy routine which "locks" an SV when there is no locking module present.
-Exists to avoid test for a NULL function pointer and because it could potentially warn under
-some level of strict-ness.
-
-=cut
-*/
-
-void
-Perl_sv_nolocking(pTHX_ SV *sv)
-{
- (void)sv;
-}
-
-
-/*
-=for apidoc sv_nounlocking
-
-Dummy routine which "unlocks" an SV when there is no locking module present.
-Exists to avoid test for a NULL function pointer and because it could potentially warn under
-some level of strict-ness.
-
-=cut
-*/
-
-void
-Perl_sv_nounlocking(pTHX_ SV *sv)
-{
- (void)sv;
+ PERL_UNUSED_ARG(sv);
}
U32
#endif
fd = PerlLIO_open(PERL_RANDOM_DEVICE, 0);
if (fd != -1) {
- if (PerlLIO_read(fd, &u, sizeof u) != sizeof u)
+ if (PerlLIO_read(fd, (void*)&u, sizeof u) != sizeof u)
u = 0;
PerlLIO_close(fd);
if (u)
return myseed;
}
+
+#ifdef USE_ITHREADS
+bool
+Perl_stashpv_hvname_match(pTHX_ const COP *c, const HV *hv)
+{
+ const char * const stashpv = CopSTASHPV(c);
+ const char * const name = HvNAME_get(hv);
+
+ if (stashpv == name)
+ return TRUE;
+ if (stashpv && name)
+ if (strEQ(stashpv, name))
+ return TRUE;
+ return FALSE;
+}
+#endif
+
+
+#ifdef PERL_GLOBAL_STRUCT
+
+struct perl_vars *
+Perl_init_global_struct(pTHX)
+{
+ struct perl_vars *plvarsp = NULL;
+#ifdef PERL_GLOBAL_STRUCT
+# define PERL_GLOBAL_STRUCT_INIT
+# include "opcode.h" /* the ppaddr and check */
+ const IV nppaddr = sizeof(Gppaddr)/sizeof(Perl_ppaddr_t);
+ const IV ncheck = sizeof(Gcheck) /sizeof(Perl_check_t);
+# ifdef PERL_GLOBAL_STRUCT_PRIVATE
+ /* PerlMem_malloc() because can't use even safesysmalloc() this early. */
+ plvarsp = (struct perl_vars*)PerlMem_malloc(sizeof(struct perl_vars));
+ if (!plvarsp)
+ exit(1);
+# else
+ plvarsp = PL_VarsPtr;
+# endif /* PERL_GLOBAL_STRUCT_PRIVATE */
+# undef PERLVAR
+# undef PERLVARA
+# undef PERLVARI
+# undef PERLVARIC
+# undef PERLVARISC
+# define PERLVAR(var,type) /**/
+# define PERLVARA(var,n,type) /**/
+# define PERLVARI(var,type,init) plvarsp->var = init;
+# define PERLVARIC(var,type,init) plvarsp->var = init;
+# define PERLVARISC(var,init) Copy(init, plvarsp->var, sizeof(init), char);
+# include "perlvars.h"
+# undef PERLVAR
+# undef PERLVARA
+# undef PERLVARI
+# undef PERLVARIC
+# undef PERLVARISC
+# ifdef PERL_GLOBAL_STRUCT
+ plvarsp->Gppaddr = PerlMem_malloc(nppaddr * sizeof(Perl_ppaddr_t));
+ if (!plvarsp->Gppaddr)
+ exit(1);
+ plvarsp->Gcheck = PerlMem_malloc(ncheck * sizeof(Perl_check_t));
+ if (!plvarsp->Gcheck)
+ exit(1);
+ Copy(Gppaddr, plvarsp->Gppaddr, nppaddr, Perl_ppaddr_t);
+ Copy(Gcheck, plvarsp->Gcheck, ncheck, Perl_check_t);
+# endif
+# ifdef PERL_SET_VARS
+ PERL_SET_VARS(plvarsp);
+# endif
+# undef PERL_GLOBAL_STRUCT_INIT
+#endif
+ return plvarsp;
+}
+
+#endif /* PERL_GLOBAL_STRUCT */
+
+#ifdef PERL_GLOBAL_STRUCT
+
+void
+Perl_free_global_struct(pTHX_ struct perl_vars *plvarsp)
+{
+#ifdef PERL_GLOBAL_STRUCT
+# ifdef PERL_UNSET_VARS
+ PERL_UNSET_VARS(plvarsp);
+# endif
+ free(plvarsp->Gppaddr);
+ free(plvarsp->Gcheck);
+# ifdef PERL_GLOBAL_STRUCT_PRIVATE
+ free(plvarsp);
+# endif
+#endif
+}
+
+#endif /* PERL_GLOBAL_STRUCT */
+
+#ifdef PERL_MEM_LOG
+
+#define PERL_MEM_LOG_SPRINTF_BUF_SIZE 128
+
+Malloc_t
+Perl_mem_log_alloc(const UV n, const UV typesize, const char *typename, Malloc_t newalloc, const char *filename, const int linenumber, const char *funcname)
+{
+#ifdef PERL_MEM_LOG_STDERR
+ /* We can't use PerlIO for obvious reasons. */
+ char buf[PERL_MEM_LOG_SPRINTF_BUF_SIZE];
+ const STRLEN len = my_sprintf(buf,
+ "alloc: %s:%d:%s: %"IVdf" %"UVuf
+ " %s = %"IVdf": %"UVxf"\n",
+ filename, linenumber, funcname, n, typesize,
+ typename, n * typesize, PTR2UV(newalloc));
+ PerlLIO_write(2, buf, len);
+#endif
+ return newalloc;
+}
+
+Malloc_t
+Perl_mem_log_realloc(const UV n, const UV typesize, const char *typename, Malloc_t oldalloc, Malloc_t newalloc, const char *filename, const int linenumber, const char *funcname)
+{
+#ifdef PERL_MEM_LOG_STDERR
+ /* We can't use PerlIO for obvious reasons. */
+ char buf[PERL_MEM_LOG_SPRINTF_BUF_SIZE];
+ const STRLEN len = my_sprintf(buf, "realloc: %s:%d:%s: %"IVdf" %"UVuf
+ " %s = %"IVdf": %"UVxf" -> %"UVxf"\n",
+ filename, linenumber, funcname, n, typesize,
+ typename, n * typesize, PTR2UV(oldalloc),
+ PTR2UV(newalloc));
+ PerlLIO_write(2, buf, len);
+#endif
+ return newalloc;
+}
+
+Malloc_t
+Perl_mem_log_free(Malloc_t oldalloc, const char *filename, const int linenumber, const char *funcname)
+{
+#ifdef PERL_MEM_LOG_STDERR
+ /* We can't use PerlIO for obvious reasons. */
+ char buf[PERL_MEM_LOG_SPRINTF_BUF_SIZE];
+ const STRLEN len = my_sprintf(buf, "free: %s:%d:%s: %"UVxf"\n",
+ filename, linenumber, funcname,
+ PTR2UV(oldalloc));
+ PerlLIO_write(2, buf, len);
+#endif
+ return oldalloc;
+}
+
+#endif /* PERL_MEM_LOG */
+
+/*
+=for apidoc my_sprintf
+
+The C library C<sprintf>, wrapped if necessary, to ensure that it will return
+the length of the string written to the buffer. Only rare pre-ANSI systems
+need the wrapper function - usually this is a direct call to C<sprintf>.
+
+=cut
+*/
+#ifndef SPRINTF_RETURNS_STRLEN
+int
+Perl_my_sprintf(char *buffer, const char* pat, ...)
+{
+ va_list args;
+ va_start(args, pat);
+ vsprintf(buffer, pat, args);
+ va_end(args);
+ return strlen(buffer);
+}
+#endif
+
+void
+Perl_my_clearenv(pTHX)
+{
+ dVAR;
+#if ! defined(PERL_MICRO)
+# if defined(PERL_IMPLICIT_SYS) || defined(WIN32)
+ PerlEnv_clearenv();
+# else /* ! (PERL_IMPLICIT_SYS || WIN32) */
+# if defined(USE_ENVIRON_ARRAY)
+# if defined(USE_ITHREADS)
+ /* only the parent thread can clobber the process environment */
+ if (PL_curinterp == aTHX)
+# endif /* USE_ITHREADS */
+ {
+# if ! defined(PERL_USE_SAFE_PUTENV)
+ if ( !PL_use_safe_putenv) {
+ I32 i;
+ if (environ == PL_origenviron)
+ environ = (char**)safesysmalloc(sizeof(char*));
+ else
+ for (i = 0; environ[i]; i++)
+ (void)safesysfree(environ[i]);
+ }
+ environ[0] = NULL;
+# else /* PERL_USE_SAFE_PUTENV */
+# if defined(HAS_CLEARENV)
+ (void)clearenv();
+# elif defined(HAS_UNSETENV)
+ int bsiz = 80; /* Most envvar names will be shorter than this. */
+ char *buf = (char*)safesysmalloc(bsiz * sizeof(char));
+ while (*environ != NULL) {
+ char *e = strchr(*environ, '=');
+ int l = e ? e - *environ : strlen(*environ);
+ if (bsiz < l + 1) {
+ (void)safesysfree(buf);
+ bsiz = l + 1;
+ buf = (char*)safesysmalloc(bsiz * sizeof(char));
+ }
+ strncpy(buf, *environ, l);
+ *(buf + l) = '\0';
+ (void)unsetenv(buf);
+ }
+ (void)safesysfree(buf);
+# else /* ! HAS_CLEARENV && ! HAS_UNSETENV */
+ /* Just null environ and accept the leakage. */
+ *environ = NULL;
+# endif /* HAS_CLEARENV || HAS_UNSETENV */
+# endif /* ! PERL_USE_SAFE_PUTENV */
+ }
+# endif /* USE_ENVIRON_ARRAY */
+# endif /* PERL_IMPLICIT_SYS || WIN32 */
+#endif /* PERL_MICRO */
+}
+
+/*
+ * Local variables:
+ * c-indentation-style: bsd
+ * c-basic-offset: 4
+ * indent-tabs-mode: t
+ * End:
+ *
+ * ex: set ts=8 sts=4 sw=4 noet:
+ */
https://perl5.git.perl.org / perl5.git / blobdiff