/* util.c
*
* Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- * 2000, 2001, 2002, 2003, 2004, 2005, by Larry Wall and others
+ * 2000, 2001, 2002, 2003, 2004, 2005, 2006, by Larry Wall and others
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
* XXX This advice seems to be widely ignored :-( --AD August 1996.
*/
+static char *
+S_write_no_mem(pTHX)
+{
+ dVAR;
+ /* 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
+ ((struct perl_memory_debug_header *)ptr)->interpreter = aTHX;
+# ifdef PERL_POISON
+ ((struct perl_memory_debug_header *)ptr)->size = size;
+ ((struct perl_memory_debug_header *)ptr)->in_use = PERL_POISON_INUSE;
+# endif
+ 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 (((struct perl_memory_debug_header *)where)->interpreter != aTHX) {
+ Perl_croak_nocontext("panic: realloc from wrong pool");
+ }
+# ifdef PERL_POISON
+ if (((struct perl_memory_debug_header *)where)->size > size) {
+ const MEM_SIZE freed_up =
+ ((struct perl_memory_debug_header *)where)->size - size;
+ char *start_of_freed = ((char *)where) + size;
+ Poison(start_of_freed, freed_up, char);
+ }
+ ((struct perl_memory_debug_header *)where)->size = size;
+# endif
+#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)
{
- dVAR;
-#ifdef PERL_IMPLICIT_SYS
+#if defined(PERL_IMPLICIT_SYS) || defined(PERL_TRACK_MEMPOOL)
dTHX;
+#else
+ dVAR;
#endif
DEBUG_m( PerlIO_printf(Perl_debug_log, "0x%"UVxf": (%05ld) free\n",PTR2UV(where),(long)PL_an++));
if (where) {
+#ifdef PERL_TRACK_MEMPOOL
+ where = (Malloc_t)((char*)where-sTHX);
+ if (((struct perl_memory_debug_header *)where)->interpreter != aTHX) {
+ Perl_croak_nocontext("panic: free from wrong pool");
+ }
+# ifdef PERL_POISON
+ {
+ if (((struct perl_memory_debug_header *)where)->in_use
+ == PERL_POISON_FREE) {
+ Perl_croak_nocontext("panic: duplicate free");
+ }
+ if (((struct perl_memory_debug_header *)where)->in_use
+ != PERL_POISON_INUSE) {
+ Perl_croak_nocontext("panic: bad free ");
+ }
+ ((struct perl_memory_debug_header *)where)->in_use
+ = PERL_POISON_FREE;
+ }
+ Poison(where, ((struct perl_memory_debug_header *)where)->size, char);
+# endif
+#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
+ ((struct perl_memory_debug_header *)ptr)->interpreter = aTHX;
+# ifdef PERL_POISON
+ ((struct perl_memory_debug_header *)ptr)->size = size;
+ ((struct perl_memory_debug_header *)ptr)->in_use = PERL_POISON_INUSE;
+# endif
+ 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
for (x=big,s=little; *s; /**/ ) {
if (!*x)
return Nullch;
- if (*s++ != *x++) {
- s--;
+ if (*s != *x)
break;
+ else {
+ s++;
+ x++;
}
}
if (!*s)
/* same as instr but allow embedded nulls */
char *
-Perl_ninstr(pTHX_ register const char *big, register const char *bigend, const char *little, const char *lend)
+Perl_ninstr(pTHX_ const char *big, const char *bigend, const char *little, const char *lend)
{
- register const I32 first = *little;
- register const char *littleend = lend;
-
- if (!first && little >= littleend)
- return (char*)big;
- if (bigend - big < littleend - little)
- 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--;
- break;
- }
- }
- if (s >= littleend)
- return (char*)(big-1);
+ if (little >= lend)
+ return (char*)big;
+ {
+ char first = *little++;
+ const char *s, *x;
+ bigend -= lend - little;
+ OUTER:
+ while (big <= bigend) {
+ if (*big++ != first)
+ goto OUTER;
+ for (x=big,s=little; s < lend; x++,s++) {
+ if (*s != *x)
+ goto OUTER;
+ }
+ return (char*)(big-1);
+ }
}
return Nullch;
}
{
register const char *bigbeg;
register const I32 first = *little;
- register const char *littleend = lend;
+ register const char * const littleend = lend;
- if (!first && little >= littleend)
+ if (little >= littleend)
return (char*)bigend;
bigbeg = big;
big = bigend - (littleend - little++);
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)
{
+ dVAR;
register const U8 *s;
register U32 i;
STRLEN len;
if (flags & FBMcf_TAIL) {
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() */
+ sv_catpvs(sv, "\n"); /* Taken into account in fbm_instr() */
if (mg && mg->mg_len >= 0)
mg->mg_len++;
}
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 const unsigned char * const table = little + littlelen + FBM_TABLE_OFFSET;
register const unsigned char *oldlittle;
if (littlelen > (STRLEN)(bigend - big))
char *
Perl_screaminstr(pTHX_ SV *bigstr, SV *littlestr, I32 start_shift, I32 end_shift, I32 *old_posp, I32 last)
{
+ dVAR;
register const unsigned char *big;
register I32 pos;
register I32 previous;
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 memcpy(newaddr,pv,pvlen);
}
Perl_savesvpv(pTHX_ SV *sv)
{
STRLEN len;
- const char *pv = SvPV_const(sv, len);
+ const char * const pv = SvPV_const(sv, len);
register char *newaddr;
++len;
STATIC SV *
S_mess_alloc(pTHX)
{
+ dVAR;
SV *sv;
XPVMG *any;
if (!PL_dirty)
- return sv_2mortal(newSVpvn("",0));
+ return sv_2mortal(newSVpvs(""));
if (PL_mess_sv)
return PL_mess_sv;
Newxz(any, 1, XPVMG);
SvFLAGS(sv) = SVt_PVMG;
SvANY(sv) = (void*)any;
- SvPV_set(sv, 0);
+ SvPV_set(sv, NULL);
SvREFCNT(sv) = 1 << 30; /* practically infinite */
PL_mess_sv = sv;
return sv;
STATIC COP*
S_closest_cop(pTHX_ COP *cop, const OP *o)
{
+ dVAR;
/* Look for PL_op starting from o. cop is the last COP we've seen. */
- if (!o || o == PL_op) return cop;
+ if (!o || o == PL_op)
+ return cop;
if (o->op_flags & OPf_KIDS) {
OP *kid;
- for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling)
- {
+ for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling) {
COP *new_cop;
/* If the OP_NEXTSTATE has been optimised away we can still use it
/* Keep searching, and return when we've found something. */
new_cop = closest_cop(cop, kid);
- if (new_cop) return new_cop;
+ if (new_cop)
+ return new_cop;
}
}
SV *
Perl_vmess(pTHX_ const char *pat, va_list *args)
{
- SV *sv = mess_alloc();
+ dVAR;
+ 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*));
}
}
-/* Common code used by vcroak, vdie and vwarner */
+/* Common code used by vcroak, vdie, vwarn and vwarner */
-STATIC void
-S_vdie_common(pTHX_ const char *message, STRLEN msglen, I32 utf8)
+STATIC bool
+S_vdie_common(pTHX_ const char *message, STRLEN msglen, I32 utf8, bool warn)
{
+ dVAR;
HV *stash;
GV *gv;
CV *cv;
- /* sv_2cv might call Perl_croak() */
- SV * const olddiehook = PL_diehook;
+ SV **const hook = warn ? &PL_warnhook : &PL_diehook;
+ /* sv_2cv might call Perl_croak() or Perl_warner() */
+ SV * const oldhook = *hook;
+
+ assert(oldhook);
- assert(PL_diehook);
ENTER;
- SAVESPTR(PL_diehook);
- PL_diehook = Nullsv;
- cv = sv_2cv(olddiehook, &stash, &gv, 0);
+ SAVESPTR(*hook);
+ *hook = NULL;
+ cv = sv_2cv(oldhook, &stash, &gv, 0);
LEAVE;
if (cv && !CvDEPTH(cv) && (CvROOT(cv) || CvXSUB(cv))) {
dSP;
ENTER;
save_re_context();
- if (message) {
+ if (warn) {
+ SAVESPTR(*hook);
+ *hook = NULL;
+ }
+ if (warn || message) {
msg = newSVpvn(message, msglen);
SvFLAGS(msg) |= utf8;
SvREADONLY_on(msg);
msg = ERRSV;
}
- PUSHSTACKi(PERLSI_DIEHOOK);
+ PUSHSTACKi(warn ? PERLSI_WARNHOOK : PERLSI_DIEHOOK);
PUSHMARK(SP);
XPUSHs(msg);
PUTBACK;
call_sv((SV*)cv, G_DISCARD);
POPSTACK;
LEAVE;
+ return TRUE;
}
+ return FALSE;
}
STATIC const char *
"%p: die/croak: message = %s\ndiehook = %p\n",
thr, message, PL_diehook));
if (PL_diehook) {
- S_vdie_common(aTHX_ message, *msglen, *utf8);
+ S_vdie_common(aTHX_ message, *msglen, *utf8, FALSE);
}
return message;
}
OP *
Perl_vdie(pTHX_ const char* pat, va_list *args)
{
+ dVAR;
const char *message;
const int was_in_eval = PL_in_eval;
STRLEN msglen;
void
Perl_vcroak(pTHX_ const char* pat, va_list *args)
{
+ dVAR;
const char *message;
STRLEN msglen;
I32 utf8 = 0;
const char * const message = SvPV_const(msv, msglen);
if (PL_warnhook) {
- /* sv_2cv might call Perl_warn() */
- SV * const oldwarnhook = PL_warnhook;
- CV * cv;
- HV * stash;
- GV * gv;
-
- ENTER;
- SAVESPTR(PL_warnhook);
- PL_warnhook = Nullsv;
- cv = sv_2cv(oldwarnhook, &stash, &gv, 0);
- LEAVE;
- if (cv && !CvDEPTH(cv) && (CvROOT(cv) || CvXSUB(cv))) {
- dSP;
- SV *msg;
-
- ENTER;
- SAVESPTR(PL_warnhook);
- PL_warnhook = Nullsv;
- save_re_context();
- msg = newSVpvn(message, msglen);
- SvFLAGS(msg) |= utf8;
- SvREADONLY_on(msg);
- SAVEFREESV(msg);
-
- PUSHSTACKi(PERLSI_WARNHOOK);
- PUSHMARK(SP);
- XPUSHs(msg);
- PUTBACK;
- call_sv((SV*)cv, G_DISCARD);
- POPSTACK;
- LEAVE;
+ if (vdie_common(message, msglen, utf8, TRUE))
return;
- }
}
write_to_stderr(message, msglen);
if (ckDEAD(err)) {
SV * const msv = vmess(pat, args);
STRLEN msglen;
- const char *message = SvPV_const(msv, msglen);
+ const char * const message = SvPV_const(msv, msglen);
const I32 utf8 = SvUTF8(msv);
if (PL_diehook) {
assert(message);
- S_vdie_common(aTHX_ message, msglen, utf8);
+ S_vdie_common(aTHX_ message, msglen, utf8, FALSE);
}
if (PL_in_eval) {
PL_restartop = die_where(message, msglen);
bool
Perl_ckwarn(pTHX_ U32 w)
{
+ dVAR;
return
(
isLEXWARN_on
bool
Perl_ckwarn_d(pTHX_ U32 w)
{
+ dVAR;
return
isLEXWARN_off
|| PL_curcop->cop_warnings == pWARN_ALL
if (val == NULL) {
(void)unsetenv(nam);
} else {
- int nlen = strlen(nam);
- int vlen = strlen(val);
- char *new_env =
+ 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;
- int nlen = strlen(nam), vlen;
+ const int nlen = strlen(nam);
+ int vlen;
if (!val) {
val = "";
}
Perl_my_popen_list(pTHX_ char *mode, int n, SV **args)
{
#if (!defined(DOSISH) || defined(HAS_FORK) || defined(AMIGAOS)) && !defined(OS2) && !defined(VMS) && !defined(__OPEN_VM) && !defined(EPOC) && !defined(MACOS_TRADITIONAL) && !defined(NETWARE)
+ dVAR;
int p[2];
register I32 This, that;
register Pid_t pid;
PerlIO *
Perl_my_popen(pTHX_ const char *cmd, const char *mode)
{
+ dVAR;
int p[2];
register I32 This, that;
register Pid_t pid;
return PerlProc_signal(signo, handler);
}
-static
-Signal_t
+static Signal_t
sig_trap(int signo)
{
dVAR;
I32
Perl_my_pclose(pTHX_ PerlIO *ptr)
{
+ dVAR;
Sigsave_t hstat, istat, qstat;
int status;
SV **svp;
I32
Perl_wait4pid(pTHX_ Pid_t pid, int *statusp, int flags)
{
+ dVAR;
I32 result = 0;
if (!pid)
return -1;
#ifdef PERL_USES_PL_PIDSTATUS
{
if (pid > 0) {
- SV** svp;
-
/* The keys in PL_pidstatus are now the raw 4 (or 8) bytes of the
pid, rather than a string form. */
-
- svp = hv_fetch(PL_pidstatus,(const char*) &pid,sizeof(Pid_t),FALSE);
+ 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,(const char*) &pid,sizeof(Pid_t),
hv_iterinit(PL_pidstatus);
if ((entry = hv_iternext(PL_pidstatus))) {
- SV *sv = hv_iterval(PL_pidstatus,entry);
+ SV * const sv = hv_iterval(PL_pidstatus,entry);
I32 len;
- const char *spid = hv_iterkey(entry,&len);
+ const char * const spid = hv_iterkey(entry,&len);
assert (len == sizeof(Pid_t));
memcpy((char *)&pid, spid, len);
#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;
char *fb = strrchr(b,'/');
Stat_t tmpstatbuf1;
Stat_t tmpstatbuf2;
- SV *tmpsv = sv_newmortal();
+ SV * const tmpsv = sv_newmortal();
if (fa)
fa++;
Perl_find_script(pTHX_ const char *scriptname, bool dosearch,
const char *const *const search_ext, I32 flags)
{
+ dVAR;
const char *xfound = Nullch;
char *xfailed = Nullch;
char tmpbuf[MAXPATHLEN];
#endif
/* additional extensions to try in each dir if scriptname not found */
#ifdef SEARCH_EXTS
- const char *const exts[] = { SEARCH_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;
# 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. */
MGVTBL*
Perl_get_vtbl(pTHX_ int vtbl_id)
{
- const 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 (MGVTBL*)result;
}
Perl_getcwd_sv(pTHX_ register SV *sv)
{
#ifndef PERL_MICRO
-
+ dVAR;
#ifndef INCOMPLETE_TAINTS
SvTAINTED_on(sv);
#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)) {
- sv_setpvn(sv, buf, strlen(buf));
+ sv_setpv(sv, buf);
return TRUE;
}
else {
int saw_period = 0;
int alpha = 0;
int width = 3;
- AV *av = newAV();
- SV *hv = newSVrv(rv, "version"); /* create an SV and upgrade the RV */
+ 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
pos++;
}
+ if ( alpha && !saw_period )
+ Perl_croak(aTHX_ "Invalid version format (alpha without decimal)");
+
if ( saw_period > 1 )
qv = 1; /* force quoted version processing */
SV *
Perl_new_version(pTHX_ SV *ver)
{
+ dVAR;
SV * const rv = newSV(0);
if ( sv_derived_from(ver,"version") ) /* can just copy directly */
{
if ( hv_exists((HV*)ver, "width", 5 ) )
{
- const I32 width = SvIV(*hv_fetch((HV*)ver, "width", 5, FALSE));
+ const I32 width = SvIV(*hv_fetchs((HV*)ver, "width", FALSE));
hv_store((HV *)hv, "width", 5, newSViv(width), 0);
}
- sav = (AV *)SvRV(*hv_fetch((HV*)ver, "version", 7, FALSE));
+ sav = (AV *)SvRV(*hv_fetchs((HV*)ver, "version", FALSE));
/* This will get reblessed later if a derived class*/
for ( key = 0; key <= av_len(sav); key++ )
{
#ifdef SvVOK
}
#endif
- upg_version(rv);
- return rv;
+ return upg_version(rv);
}
/*
SV *
Perl_upg_version(pTHX_ SV *ver)
{
- char *version;
+ const char *version, *s;
bool qv = 0;
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 */
{
version = savepv(SvPV_nolen(ver));
}
- (void)scan_version(version, ver, qv);
+ s = scan_version(version, ver, qv);
+ if ( *s != '\0' )
+ if(ckWARN(WARN_MISC))
+ Perl_warner(aTHX_ packWARN(WARN_MISC),
+ "Version string '%s' contains invalid data; "
+ "ignoring: '%s'", version, s);
Safefree(version);
return ver;
}
/* 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)))
+ && (sv = SvRV(*hv_fetchs((HV*)vs, "version", FALSE)))
&& SvTYPE(sv) == SVt_PVAV )
return TRUE;
else
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));
+ width = SvIV(*hv_fetchs((HV*)vs, "width", 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);
+ if ( !(av = (AV *)SvRV(*hv_fetchs((HV*)vs, "version", FALSE)) ) ) {
+ sv_catpvs(sv,"0");
return sv;
}
len = av_len(av);
if ( len == -1 )
{
- sv_catpvn(sv,"0",1);
+ sv_catpvs(sv,"0");
return sv;
}
{
digit = SvIV(*av_fetch(av, i, 0));
if ( width < 3 ) {
- const int denom = (int)pow(10,(3-width));
+ 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);
}
{
digit = SvIV(*av_fetch(av, len, 0));
if ( alpha && width == 3 ) /* alpha version */
- sv_catpvn(sv,"_",1);
+ sv_catpvs(sv,"_");
Perl_sv_catpvf(aTHX_ sv, "%0*d", width, (int)digit);
}
else /* len == 0 */
{
- sv_catpvn(sv,"000",3);
+ sv_catpvs(sv, "000");
}
return sv;
}
if ( hv_exists((HV*)vs, "alpha", 5 ) )
alpha = TRUE;
- av = (AV *)SvRV(*hv_fetch((HV*)vs, "version", 7, FALSE));
+ av = (AV *)SvRV(*hv_fetchs((HV*)vs, "version", FALSE));
len = av_len(av);
if ( len == -1 )
{
- sv_catpvn(sv,"",0);
+ sv_catpvs(sv,"");
return sv;
}
digit = SvIV(*av_fetch(av, 0, 0));
if ( len <= 2 ) { /* short version, must be at least three */
for ( len = 2 - len; len != 0; len-- )
- sv_catpvn(sv,".0",2);
+ sv_catpvs(sv,".0");
}
return sv;
}
Perl_croak(aTHX_ "Invalid version object");
/* get the left hand term */
- lav = (AV *)SvRV(*hv_fetch((HV*)lhv, "version", 7, FALSE));
+ lav = (AV *)SvRV(*hv_fetchs((HV*)lhv, "version", 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));
+ rav = (AV *)SvRV(*hv_fetchs((HV*)rhv, "version", FALSE));
if ( hv_exists((HV*)rhv, "alpha", 5 ) )
ralpha = TRUE;
#endif
tidy_up_and_fail:
{
- int save_errno = errno;
+ const int save_errno = errno;
if (listener != -1)
PerlLIO_close(listener);
if (connector != -1)
U32
Perl_seed(pTHX)
{
+ dVAR;
/*
* This is really just a quick hack which grabs various garbage
* values. It really should be a real hash algorithm which
UV
Perl_get_hash_seed(pTHX)
{
+ dVAR;
const char *s = PerlEnv_getenv("PERL_HASH_SEED");
UV myseed = 0;
#ifdef PERL_GLOBAL_STRUCT
# define PERL_GLOBAL_STRUCT_INIT
# include "opcode.h" /* the ppaddr and check */
- IV nppaddr = sizeof(Gppaddr)/sizeof(Perl_ppaddr_t);
- IV ncheck = sizeof(Gcheck) /sizeof(Perl_check_t);
+ 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));
#ifdef PERL_MEM_LOG_STDERR
/* We can't use PerlIO for obvious reasons. */
char buf[PERL_MEM_LOG_SPRINTF_BUF_SIZE];
- 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, strlen(buf));
+ 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;
}
#ifdef PERL_MEM_LOG_STDERR
/* We can't use PerlIO for obvious reasons. */
char buf[PERL_MEM_LOG_SPRINTF_BUF_SIZE];
- 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, strlen(buf));
+ 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;
}
#ifdef PERL_MEM_LOG_STDERR
/* We can't use PerlIO for obvious reasons. */
char buf[PERL_MEM_LOG_SPRINTF_BUF_SIZE];
- sprintf(buf, "free: %s:%d:%s: %"UVxf"\n",
- filename, linenumber, funcname, PTR2UV(oldalloc));
- PerlLIO_write(2, buf, strlen(buf));
+ 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
+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 */
+}
+
+#ifdef PERL_IMPLICIT_CONTEXT
+
+/* implements the MY_CXT_INIT macro. The first time a module is loaded,
+the global PL_my_cxt_index is incremented, and that value is assigned to
+that module's static my_cxt_index (who's address is passed as an arg).
+Then, for each interpreter this function is called for, it makes sure a
+void* slot is available to hang the static data off, by allocating or
+extending the interpreter's PL_my_cxt_list array */
+
+void *
+Perl_my_cxt_init(pTHX_ int *index, size_t size)
+{
+ dVAR;
+ void *p;
+ if (*index == -1) {
+ /* this module hasn't been allocated an index yet */
+ MUTEX_LOCK(&PL_my_ctx_mutex);
+ *index = PL_my_cxt_index++;
+ MUTEX_UNLOCK(&PL_my_ctx_mutex);
+ }
+
+ /* make sure the array is big enough */
+ if (PL_my_cxt_size <= *index) {
+ if (PL_my_cxt_size) {
+ while (PL_my_cxt_size <= *index)
+ PL_my_cxt_size *= 2;
+ Renew(PL_my_cxt_list, PL_my_cxt_size, void *);
+ }
+ else {
+ PL_my_cxt_size = 16;
+ Newx(PL_my_cxt_list, PL_my_cxt_size, void *);
+ }
+ }
+ /* newSV() allocates one more than needed */
+ p = (void*)SvPVX(newSV(size-1));
+ PL_my_cxt_list[*index] = p;
+ Zero(p, size, char);
+ return p;
+}
+#endif
+
/*
* Local variables:
* c-indentation-style: bsd
projects / p5sagit/p5-mst-13.2.git / blobdiff