/* util.c
*
- * Copyright (c) 1991-2000, Larry Wall
+ * Copyright (c) 1991-2001, 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.
#endif
#endif
-/* XXX If this causes problems, set i_unistd=undef in the hint file. */
-#ifdef I_UNISTD
-# include <unistd.h>
-#endif
-
#ifdef I_VFORK
# include <vfork.h>
#endif
Malloc_t PerlMem_realloc();
#endif /* !defined(STANDARD_C) && !defined(HAS_REALLOC_PROTOTYPE) */
-#ifdef HAS_64K_LIMIT
+#ifdef HAS_64K_LIMIT
if (size > 0xffff) {
PerlIO_printf(Perl_error_log,
"Reallocation too large: %lx\n", size) FLUSH;
#endif
ptr = (Malloc_t)PerlMem_realloc(where,size);
PERL_ALLOC_CHECK(ptr);
-
+
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 (!wh)
return safexmalloc(0,size);
-
+
{
MEM_SIZE old = sizeof_chunk(where - ALIGN);
int t = typeof_chunk(where - ALIGN);
register char* new = (char*)saferealloc(where - ALIGN, size + ALIGN);
-
+
xycount[t][SIZE_TO_Y(old)]--;
xycount[t][SIZE_TO_Y(size)]++;
xcount[t] += size - old;
I32 x;
char *where = (char*)wh;
MEM_SIZE size;
-
+
if (!where)
return;
where -= ALIGN;
for (j = 0; j < MAXYCOUNT; j++) {
subtot[j] = 0;
}
-
+
PerlIO_printf(Perl_debug_log, " Id subtot 4 8 12 16 20 24 28 32 36 40 48 56 64 72 80 80+\n", total);
for (i = 0; i < MAXXCOUNT; i++) {
total += xcount[i];
}
if (flag == 0
? xcount[i] /* Have something */
- : (flag == 2
+ : (flag == 2
? xcount[i] != lastxcount[i] /* Changed */
: xcount[i] > lastxcount[i])) { /* Growed */
- PerlIO_printf(Perl_debug_log,"%2d %02d %7ld ", i / 100, i % 100,
+ PerlIO_printf(Perl_debug_log,"%2d %02d %7ld ", i / 100, i % 100,
flag == 2 ? xcount[i] - lastxcount[i] : xcount[i]);
lastxcount[i] = xcount[i];
for (j = 0; j < MAXYCOUNT; j++) {
- if ( flag == 0
+ if ( flag == 0
? xycount[i][j] /* Have something */
- : (flag == 2
+ : (flag == 2
? xycount[i][j] != lastxycount[i][j] /* Changed */
: xycount[i][j] > lastxycount[i][j])) { /* Growed */
- PerlIO_printf(Perl_debug_log,"%3ld ",
- flag == 2
- ? xycount[i][j] - lastxycount[i][j]
+ PerlIO_printf(Perl_debug_log,"%3ld ",
+ flag == 2
+ ? xycount[i][j] - lastxycount[i][j]
: xycount[i][j]);
lastxycount[i][j] = xycount[i][j];
} else {
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;
+ if (lc && lc->decimal_point) {
+ if (lc->decimal_point[0] == '.' && lc->decimal_point[1] == 0) {
+ SvREFCNT_dec(PL_numeric_radix);
+ PL_numeric_radix = 0;
+ }
+ else {
+ if (PL_numeric_radix)
+ sv_setpv(PL_numeric_radix, lc->decimal_point);
+ else
+ PL_numeric_radix = newSVpv(lc->decimal_point, 0);
+ }
+ }
else
PL_numeric_radix = 0;
# endif /* HAS_LOCALECONV */
* -1 = fallback to C locale failed
*/
-#ifdef USE_LOCALE
+#if defined(USE_LOCALE)
#ifdef USE_LOCALE_CTYPE
char *curctype = NULL;
if (setlocale_failure) {
char *p;
- bool locwarn = (printwarn > 1 ||
+ bool locwarn = (printwarn > 1 ||
(printwarn &&
(!(p = PerlEnv_getenv("PERL_BADLANG")) || atoi(p))));
if (locwarn) {
#ifdef LC_ALL
-
+
PerlIO_printf(Perl_error_log,
"perl: warning: Setting locale failed.\n");
#else /* !LC_ALL */
-
+
PerlIO_printf(Perl_error_log,
"perl: warning: Setting locale failed for the categories:\n\t");
#ifdef USE_LOCALE_CTYPE
lc_all ? lc_all : "unset",
lc_all ? '"' : ')');
+#if defined(USE_ENVIRON_ARRAY)
{
char **e;
for (e = environ; *e; e++) {
(int)(p - *e), *e, p + 1);
}
}
+#else
+ PerlIO_printf(Perl_error_log,
+ "\t(possibly more locale environment variables)\n");
+#endif
PerlIO_printf(Perl_error_log,
"\tLANG = %c%s%c\n",
register I32 multiline = flags & FBMrf_MULTILINE;
if (bigend - big < littlelen) {
- if ( SvTAIL(littlestr)
+ if ( SvTAIL(littlestr)
&& (bigend - big == littlelen - 1)
- && (littlelen == 1
+ && (littlelen == 1
|| (*big == *little &&
memEQ((char *)big, (char *)little, littlelen - 1))))
return (char*)big;
}
if (SvTAIL(littlestr) && !multiline) { /* tail anchored? */
s = bigend - littlelen;
- if (s >= big && bigend[-1] == '\n' && *s == *little
+ if (s >= big && bigend[-1] == '\n' && *s == *little
/* Automatically of length > 2 */
&& memEQ((char*)s + 1, (char*)little + 1, littlelen - 2))
{
}
return b;
}
-
+
{ /* Do actual FBM. */
register unsigned char *table = little + littlelen + FBM_TABLE_OFFSET;
register unsigned char *oldlittle;
of ends of some substring of bigstr.
If `last' we want the last occurence.
old_posp is the way of communication between consequent calls if
- the next call needs to find the .
+ the next call needs to find the .
The initial *old_posp should be -1.
Note that we take into account SvTAIL, so one can get extra
char *
Perl_screaminstr(pTHX_ SV *bigstr, SV *littlestr, I32 start_shift, I32 end_shift, I32 *old_posp, I32 last)
{
- dTHR;
register unsigned char *s, *x;
register unsigned char *big;
register I32 pos;
? (pos = PL_screamfirst[BmRARE(littlestr)]) < 0
: (((pos = *old_posp), pos += PL_screamnext[pos]) == 0)) {
cant_find:
- if ( BmRARE(littlestr) == '\n'
+ if ( BmRARE(littlestr) == '\n'
&& BmPREVIOUS(littlestr) == SvCUR(littlestr) - 1) {
little = (unsigned char *)(SvPVX(littlestr));
littleend = little + SvCUR(littlestr);
found = 1;
}
} while ( pos += PL_screamnext[pos] );
- if (last && found)
+ if (last && found)
return (char *)(big+(*old_posp));
#endif /* POINTERRIGOR */
check_tail:
STATIC SV *
S_mess_alloc(pTHX)
{
- dTHR;
SV *sv;
XPVMG *any;
sv_vsetpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*));
if (!SvCUR(sv) || *(SvEND(sv) - 1) != '\n') {
- dTHR;
if (CopLINE(PL_curcop))
Perl_sv_catpvf(aTHX_ sv, " at %s line %"IVdf,
CopFILE(PL_curcop), (IV)CopLINE(PL_curcop));
SvCUR(PL_rs) == 1 && *SvPVX(PL_rs) == '\n');
Perl_sv_catpvf(aTHX_ sv, ", <%s> %s %"IVdf,
PL_last_in_gv == PL_argvgv ? "" : GvNAME(PL_last_in_gv),
- line_mode ? "line" : "chunk",
+ line_mode ? "line" : "chunk",
(IV)IoLINES(GvIOp(PL_last_in_gv)));
}
#ifdef USE_THREADS
OP *
Perl_vdie(pTHX_ const char* pat, va_list *args)
{
- dTHR;
char *message;
int was_in_eval = PL_in_eval;
HV *stash;
void
Perl_vcroak(pTHX_ const char* pat, va_list *args)
{
- dTHR;
char *message;
HV *stash;
GV *gv;
if (PL_warnhook) {
/* sv_2cv might call Perl_warn() */
- dTHR;
SV *oldwarnhook = PL_warnhook;
ENTER;
SAVESPTR(PL_warnhook);
PerlIO_write(serr, message, msglen);
#ifdef LEAKTEST
- DEBUG_L(*message == '!'
+ DEBUG_L(*message == '!'
? (xstat(message[1]=='!'
? (message[2]=='!' ? 2 : 1)
: 0)
void
Perl_vwarner(pTHX_ U32 err, const char* pat, va_list* args)
{
- dTHR;
char *message;
HV *stash;
GV *gv;
if (cv && !CvDEPTH(cv) && (CvROOT(cv) || CvXSUB(cv))) {
dSP;
SV *msg;
-
+
ENTER;
save_re_context();
msg = newSVpvn(message, msglen);
SvREADONLY_on(msg);
SAVEFREESV(msg);
-
+
PUSHSTACKi(PERLSI_DIEHOOK);
PUSHMARK(sp);
XPUSHs(msg);
else {
if (PL_warnhook) {
/* sv_2cv might call Perl_warn() */
- dTHR;
SV *oldwarnhook = PL_warnhook;
ENTER;
SAVESPTR(PL_warnhook);
if (cv && !CvDEPTH(cv) && (CvROOT(cv) || CvXSUB(cv))) {
dSP;
SV *msg;
-
+
ENTER;
save_re_context();
msg = newSVpvn(message, msglen);
SvREADONLY_on(msg);
SAVEFREESV(msg);
-
+
PUSHSTACKi(PERLSI_WARNHOOK);
PUSHMARK(sp);
XPUSHs(msg);
PerlIO *serr = Perl_error_log;
PerlIO_write(serr, message, msglen);
#ifdef LEAKTEST
- DEBUG_L(*message == '!'
+ DEBUG_L(*message == '!'
? (xstat(message[1]=='!'
? (message[2]=='!' ? 2 : 1)
: 0)
if (doexec) {
return my_syspopen(aTHX_ cmd,mode);
}
-#endif
+#endif
This = (*mode == 'w');
that = !This;
if (doexec && PL_tainting) {
PerlLIO_close(pp[0]);
did_pipes = 0;
if (n) { /* Error */
+ int pid2, status;
if (n != sizeof(int))
Perl_croak(aTHX_ "panic: kid popen errno read");
+ do {
+ pid2 = wait4pid(pid, &status, 0);
+ } while (pid2 == -1 && errno == EINTR);
errno = errkid; /* Propagate errno from kid */
return Nullfp;
}
PerlIO *
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);
+ /* Call system's popen() to get a FILE *, then import it.
+ used 0 for 2nd parameter to PerlIO_importFILE;
+ apparently not used
+ */
+ return PerlIO_importFILE(popen(cmd, mode), 0);
}
#endif
sigemptyset(&act.sa_mask);
act.sa_flags = 0;
#ifdef SA_RESTART
+#if !defined(USE_PERLIO) || defined(PERL_OLD_SIGNALS)
act.sa_flags |= SA_RESTART; /* SVR4, 4.3+BSD */
#endif
+#endif
#ifdef SA_NOCLDWAIT
if (signo == SIGCHLD && handler == (Sighandler_t)SIG_IGN)
act.sa_flags |= SA_NOCLDWAIT;
sigemptyset(&act.sa_mask);
act.sa_flags = 0;
#ifdef SA_RESTART
+#if !defined(USE_PERLIO) || defined(PERL_OLD_SIGNALS)
act.sa_flags |= SA_RESTART; /* SVR4, 4.3+BSD */
#endif
+#endif
#ifdef SA_NOCLDWAIT
if (signo == SIGCHLD && handler == (Sighandler_t)SIG_IGN)
act.sa_flags |= SA_NOCLDWAIT;
LOCK_FDPID_MUTEX;
svp = av_fetch(PL_fdpid,PerlIO_fileno(ptr),TRUE);
UNLOCK_FDPID_MUTEX;
- pid = SvIVX(*svp);
+ pid = (SvTYPE(*svp) == SVt_IV) ? SvIVX(*svp) : -1;
SvREFCNT_dec(*svp);
*svp = &PL_sv_undef;
#ifdef OS2
if (pid == -1) { /* Opened by popen. */
return my_syspclose(ptr);
}
-#endif
+#endif
if ((close_failed = (PerlIO_close(ptr) == EOF))) {
saved_errno = errno;
#ifdef VMS
#else
I32
Perl_my_pclose(pTHX_ PerlIO *ptr)
-#endif
+#endif
{
/* Needs work for PerlIO ! */
FILE *f = PerlIO_findFILE(ptr);
/* Code modified to prefer proper named type ranges, I32, IV, or UV, instead
of LONG_(MIN/MAX).
-- Kenneth Albanowski <kjahds@kjahds.com>
-*/
+*/
#ifndef MY_UV_MAX
# define MY_UV_MAX ((UV)IV_MAX * (UV)2 + (UV)1)
continue;
}
else {
- dTHR;
if (ckWARN(WARN_DIGIT))
Perl_warner(aTHX_ WARN_DIGIT,
"Illegal binary digit '%c' ignored", *s);
register UV xuv = ruv << 1;
if ((xuv >> 1) != ruv) {
- dTHR;
overflowed = TRUE;
rnv = (NV) ruv;
if (ckWARN_d(WARN_OVERFLOW))
#if UVSIZE > 4
|| (!overflowed && ruv > 0xffffffff )
#endif
- ) {
- dTHR;
+ ) {
if (ckWARN(WARN_PORTABLE))
Perl_warner(aTHX_ WARN_PORTABLE,
"Binary number > 0b11111111111111111111111111111111 non-portable");
* 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_DIGIT))
Perl_warner(aTHX_ WARN_DIGIT,
"Illegal octal digit '%c' ignored", *s);
register UV xuv = ruv << 3;
if ((xuv >> 3) != ruv) {
- dTHR;
overflowed = TRUE;
rnv = (NV) ruv;
if (ckWARN_d(WARN_OVERFLOW))
|| (!overflowed && ruv > 0xffffffff )
#endif
) {
- dTHR;
if (ckWARN(WARN_PORTABLE))
Perl_warner(aTHX_ WARN_PORTABLE,
"Octal number > 037777777777 non-portable");
register char *s = start;
register NV rnv = 0.0;
register UV ruv = 0;
- register bool seenx = FALSE;
register bool overflowed = FALSE;
char *hexdigit;
+ if (len > 2) {
+ if (s[0] == 'x') {
+ s++;
+ len--;
+ }
+ else if (len > 3 && s[0] == '0' && s[1] == 'x') {
+ s+=2;
+ len-=2;
+ }
+ }
+
for (; len-- && *s; s++) {
hexdigit = strchr((char *) PL_hexdigit, *s);
if (!hexdigit) {
--len;
++s;
}
- else if (seenx == FALSE && *s == 'x' && ruv == 0) {
- /* Disallow 0xxx0x0xxx... */
- seenx = TRUE;
- continue;
- }
else {
- dTHR;
if (ckWARN(WARN_DIGIT))
Perl_warner(aTHX_ WARN_DIGIT,
"Illegal hexadecimal digit '%c' ignored", *s);
register UV xuv = ruv << 4;
if ((xuv >> 4) != ruv) {
- dTHR;
overflowed = TRUE;
rnv = (NV) ruv;
if (ckWARN_d(WARN_OVERFLOW))
#if UVSIZE > 4
|| (!overflowed && ruv > 0xffffffff )
#endif
- ) {
- dTHR;
+ ) {
if (ckWARN(WARN_PORTABLE))
Perl_warner(aTHX_ WARN_PORTABLE,
"Hexadecimal number > 0xffffffff non-portable");
char*
Perl_find_script(pTHX_ char *scriptname, bool dosearch, char **search_ext, I32 flags)
{
- dTHR;
char *xfound = Nullch;
char *xfailed = Nullch;
char tmpbuf[MAXPATHLEN];
}
#ifndef DOSISH
if (!xfound && !seen_dot && !xfailed &&
- (PerlLIO_stat(scriptname,&PL_statbuf) < 0
+ (PerlLIO_stat(scriptname,&PL_statbuf) < 0
|| S_ISDIR(PL_statbuf.st_mode)))
#endif
seen_dot = 1; /* Disable message. */
{
perl_os_thread t;
perl_cond cond = *cp;
-
+
if (!cond)
return;
t = cond->thread;
{
perl_os_thread t;
perl_cond cond, cond_next;
-
+
for (cond = *cp; cond; cond = cond_next) {
t = cond->thread;
/* Insert t in the runnable queue just ahead of us */
if (thr->i.next_run == thr)
Perl_croak(aTHX_ "panic: perl_cond_wait called by last runnable thread");
-
+
New(666, cond, 1, struct perl_wait_queue);
cond->thread = thr;
cond->next = *cp;
Perl_condpair_magic(pTHX_ SV *sv)
{
MAGIC *mg;
-
+
SvUPGRADE(sv, SVt_PVMG);
mg = mg_find(sv, 'm');
if (!mg) {
PL_tainted = t->Ttainted;
PL_curpm = t->Tcurpm; /* XXX No PMOP ref count */
PL_nrs = newSVsv(t->Tnrs);
- PL_rs = SvREFCNT_inc(PL_nrs);
+ PL_rs = t->Tnrs ? SvREFCNT_inc(PL_nrs) : Nullsv;
PL_last_in_gv = Nullgv;
- PL_ofslen = t->Tofslen;
- PL_ofs = savepvn(t->Tofs, PL_ofslen);
+ PL_ofs_sv = t->Tofs_sv ? SvREFCNT_inc(PL_ofs_sv) : Nullsv;
PL_defoutgv = (GV*)SvREFCNT_inc(t->Tdefoutgv);
PL_chopset = t->Tchopset;
PL_bodytarget = newSVsv(t->Tbodytarget);
"new_struct_thread: copied threadsv %"IVdf" %p->%p\n",
(IV)i, t, thr));
}
- }
+ }
thr->threadsvp = AvARRAY(thr->threadsv);
MUTEX_LOCK(&PL_threads_mutex);
#if defined(HUGE_VAL) || (defined(USE_LONG_DOUBLE) && defined(HUGE_VALL))
/*
* This hack is to force load of "huge" support from libm.a
- * So it is in perl for (say) POSIX to use.
+ * So it is in perl for (say) POSIX to use.
* Needed for SunOS with Sun's 'acc' for example.
*/
-NV
+NV
Perl_huge(void)
{
# if defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
name = SvPVX(sv);
}
- if (name && *name) {
+ if (op == OP_phoney_OUTPUT_ONLY || op == OP_phoney_INPUT_ONLY) {
+ if (name && *name)
+ Perl_warner(aTHX_ WARN_IO, "Filehandle %s opened only for %sput",
+ name,
+ (op == OP_phoney_INPUT_ONLY ? "in" : "out"));
+ else
+ Perl_warner(aTHX_ WARN_IO, "Filehandle opened only for %sput",
+ (op == OP_phoney_INPUT_ONLY ? "in" : "out"));
+ } else if (name && *name) {
Perl_warner(aTHX_ warn_type,
"%s%s on %s %s %s", func, pars, vile, type, name);
if (io && IoDIRP(io) && !(IoFLAGS(io) & IOf_FAKE_DIRP))
func, pars);
}
}
+
+#ifdef EBCDIC
+int
+Perl_ebcdic_control(pTHX_ int ch)
+{
+ if (ch > 'a') {
+ char *ctlp;
+
+ if (islower(ch))
+ ch = toupper(ch);
+
+ if ((ctlp = strchr(controllablechars, ch)) == 0) {
+ Perl_die(aTHX_ "unrecognised control character '%c'\n", ch);
+ }
+
+ if (ctlp == controllablechars)
+ return('\177'); /* DEL */
+ else
+ return((unsigned char)(ctlp - controllablechars - 1));
+ } else { /* Want uncontrol */
+ if (ch == '\177' || ch == -1)
+ return('?');
+ else if (ch == '\157')
+ return('\177');
+ else if (ch == '\174')
+ return('\000');
+ else if (ch == '^') /* '\137' in 1047, '\260' in 819 */
+ return('\036');
+ else if (ch == '\155')
+ return('\037');
+ else if (0 < ch && ch < (sizeof(controllablechars) - 1))
+ return(controllablechars[ch+1]);
+ else
+ Perl_die(aTHX_ "invalid control request: '\\%03o'\n", ch & 0xFF);
+ }
+}
+#endif