-/* $Header: util.c,v 3.0.1.11 91/01/11 18:33:10 lwall Locked $
+/* util.c
*
- * Copyright (c) 1989, Larry Wall
+ * Copyright (c) 1991-1994, Larry Wall
*
- * You may distribute under the terms of the GNU General Public License
- * as specified in the README file that comes with the perl 3.0 kit.
+ * You may distribute under the terms of either the GNU General Public
+ * License or the Artistic License, as specified in the README file.
*
- * $Log: util.c,v $
- * Revision 3.0.1.11 91/01/11 18:33:10 lwall
- * patch42: die could exit with 0 value on some machines
- * patch42: Configure checks typecasting behavior better
- *
- * Revision 3.0.1.10 90/11/10 02:19:28 lwall
- * patch38: random cleanup
- * patch38: sequence of s/^x//; s/x$//; could screw up malloc
- *
- * Revision 3.0.1.9 90/10/20 02:21:01 lwall
- * patch37: tried to take strlen of integer on systems without wait4 or waitpid
- * patch37: unreachable return eliminated
- *
- * Revision 3.0.1.8 90/10/16 11:26:57 lwall
- * patch29: added waitpid
- * patch29: various portability fixes
- * patch29: scripts now run at almost full speed under the debugger
- *
- * Revision 3.0.1.7 90/08/13 22:40:26 lwall
- * patch28: the NSIG hack didn't work right on Xenix
- * patch28: rename was busted on systems without rename system call
- *
- * Revision 3.0.1.6 90/08/09 05:44:55 lwall
- * patch19: fixed double include of <signal.h>
- * patch19: various MSDOS and OS/2 patches folded in
- * patch19: open(STDOUT,"|command") left wrong descriptor attached to STDOUT
- *
- * Revision 3.0.1.5 90/03/27 16:35:13 lwall
- * patch16: MSDOS support
- * patch16: support for machines that can't cast negative floats to unsigned ints
- * patch16: tail anchored pattern could dump if string to search was shorter
- *
- * Revision 3.0.1.4 90/03/01 10:26:48 lwall
- * patch9: fbminstr() called instr() rather than ninstr()
- * patch9: nested evals clobbered their longjmp environment
- * patch9: piped opens returned undefined rather than 0 in child
- * patch9: the x operator is now up to 10 times faster
- *
- * Revision 3.0.1.3 89/12/21 20:27:41 lwall
- * patch7: errno may now be a macro with an lvalue
- *
- * Revision 3.0.1.2 89/11/17 15:46:35 lwall
- * patch5: BZERO separate from BCOPY now
- * patch5: byteorder now is a hex value
- *
- * Revision 3.0.1.1 89/11/11 05:06:13 lwall
- * patch2: made dup2 a little better
- *
- * Revision 3.0 89/10/18 15:32:43 lwall
- * 3.0 baseline
- *
+ */
+
+/*
+ * "Very useful, no doubt, that was to Saruman; yet it seems that he was
+ * not content." --Gandalf
*/
#include "EXTERN.h"
#include <signal.h>
#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
-#ifdef I_VARARGS
-# include <varargs.h>
+/* Put this after #includes because fork and vfork prototypes may
+ conflict.
+*/
+#ifndef HAS_VFORK
+# define vfork fork
+#endif
+
+#ifdef I_FCNTL
+# include <fcntl.h>
+#endif
+#ifdef I_SYS_FILE
+# include <sys/file.h>
#endif
#define FLUSH
-static char nomem[] = "Out of memory!\n";
+#ifdef LEAKTEST
+static void xstat _((void));
+#endif
-/* paranoid version of malloc */
+#ifndef safemalloc
-#ifdef DEBUGGING
-static int an = 0;
-#endif
+/* paranoid version of malloc */
/* NOTE: Do not call the next three routines directly. Use the macros
* in handy.h, so that we can easily redefine everything to do tracking of
* allocated hunks back to the original New to track down any memory leaks.
+ * XXX This advice seems to be widely ignored :-( --AD August 1996.
*/
-char *
+Malloc_t
safemalloc(size)
#ifdef MSDOS
unsigned long size;
MEM_SIZE size;
#endif /* MSDOS */
{
- char *ptr;
- char *malloc();
-
+ Malloc_t ptr;
#ifdef MSDOS
if (size > 0xffff) {
- fprintf(stderr, "Allocation too large: %lx\n", size) FLUSH;
- exit(1);
+ PerlIO_printf(PerlIO_stderr(), "Allocation too large: %lx\n", size) FLUSH;
+ my_exit(1);
}
#endif /* MSDOS */
#ifdef DEBUGGING
if ((long)size < 0)
- fatal("panic: malloc");
+ croak("panic: malloc");
#endif
ptr = malloc(size?size:1); /* malloc(0) is NASTY on our system */
-#ifdef DEBUGGING
-# ifndef I286
- if (debug & 128)
- fprintf(stderr,"0x%x: (%05d) malloc %d bytes\n",ptr,an++,size);
-# else
- if (debug & 128)
- fprintf(stderr,"0x%lx: (%05d) malloc %d bytes\n",ptr,an++,size);
-# endif
+#if !(defined(I286) || defined(atarist))
+ DEBUG_m(PerlIO_printf(Perl_debug_log, "0x%x: (%05d) malloc %ld bytes\n",ptr,an++,(long)size));
+#else
+ DEBUG_m(PerlIO_printf(Perl_debug_log, "0x%lx: (%05d) malloc %ld bytes\n",ptr,an++,(long)size));
#endif
if (ptr != Nullch)
return ptr;
+ else if (nomemok)
+ return Nullch;
else {
- fputs(nomem,stderr) FLUSH;
- exit(1);
+ PerlIO_puts(PerlIO_stderr(),no_mem) FLUSH;
+ my_exit(1);
}
/*NOTREACHED*/
-#ifdef lint
- return ptr;
-#endif
}
/* paranoid version of realloc */
-char *
+Malloc_t
saferealloc(where,size)
-char *where;
+Malloc_t where;
#ifndef MSDOS
MEM_SIZE size;
#else
unsigned long size;
#endif /* MSDOS */
{
- char *ptr;
- char *realloc();
+ Malloc_t ptr;
+#if !defined(STANDARD_C) && !defined(HAS_REALLOC_PROTOTYPE)
+ Malloc_t realloc();
+#endif /* !defined(STANDARD_C) && !defined(HAS_REALLOC_PROTOTYPE) */
#ifdef MSDOS
if (size > 0xffff) {
- fprintf(stderr, "Reallocation too large: %lx\n", size) FLUSH;
- exit(1);
+ PerlIO_printf(PerlIO_stderr(), "Reallocation too large: %lx\n", size) FLUSH;
+ my_exit(1);
}
#endif /* MSDOS */
if (!where)
- fatal("Null realloc");
+ croak("Null realloc");
#ifdef DEBUGGING
if ((long)size < 0)
- fatal("panic: realloc");
+ croak("panic: realloc");
#endif
ptr = realloc(where,size?size:1); /* realloc(0) is NASTY on our system */
-#ifdef DEBUGGING
-# ifndef I286
- if (debug & 128) {
- fprintf(stderr,"0x%x: (%05d) rfree\n",where,an++);
- fprintf(stderr,"0x%x: (%05d) realloc %d bytes\n",ptr,an++,size);
- }
-# else
- if (debug & 128) {
- fprintf(stderr,"0x%lx: (%05d) rfree\n",where,an++);
- fprintf(stderr,"0x%lx: (%05d) realloc %d bytes\n",ptr,an++,size);
- }
-# endif
+
+#if !(defined(I286) || defined(atarist))
+ DEBUG_m( {
+ PerlIO_printf(Perl_debug_log, "0x%x: (%05d) rfree\n",where,an++);
+ PerlIO_printf(Perl_debug_log, "0x%x: (%05d) realloc %ld bytes\n",ptr,an++,(long)size);
+ } )
+#else
+ DEBUG_m( {
+ PerlIO_printf(Perl_debug_log, "0x%lx: (%05d) rfree\n",where,an++);
+ PerlIO_printf(Perl_debug_log, "0x%lx: (%05d) realloc %ld bytes\n",ptr,an++,(long)size);
+ } )
#endif
+
if (ptr != Nullch)
return ptr;
+ else if (nomemok)
+ return Nullch;
else {
- fputs(nomem,stderr) FLUSH;
- exit(1);
+ PerlIO_puts(PerlIO_stderr(),no_mem) FLUSH;
+ my_exit(1);
}
/*NOTREACHED*/
-#ifdef lint
- return ptr;
-#endif
}
/* safe version of free */
void
safefree(where)
-char *where;
+Malloc_t where;
{
-#ifdef DEBUGGING
-# ifndef I286
- if (debug & 128)
- fprintf(stderr,"0x%x: (%05d) free\n",where,an++);
-# else
- if (debug & 128)
- fprintf(stderr,"0x%lx: (%05d) free\n",where,an++);
-# endif
+#if !(defined(I286) || defined(atarist))
+ DEBUG_m( PerlIO_printf(Perl_debug_log, "0x%x: (%05d) free\n",where,an++));
+#else
+ DEBUG_m( PerlIO_printf(Perl_debug_log, "0x%lx: (%05d) free\n",where,an++));
#endif
if (where) {
+ /*SUPPRESS 701*/
free(where);
}
}
+/* safe version of calloc */
+
+Malloc_t
+safecalloc(count, size)
+MEM_SIZE count;
+MEM_SIZE size;
+{
+ Malloc_t ptr;
+
+#ifdef MSDOS
+ if (size * count > 0xffff) {
+ PerlIO_printf(PerlIO_stderr(), "Allocation too large: %lx\n", size * count) FLUSH;
+ my_exit(1);
+ }
+#endif /* MSDOS */
+#ifdef DEBUGGING
+ if ((long)size < 0 || (long)count < 0)
+ croak("panic: calloc");
+#endif
+#if !(defined(I286) || defined(atarist))
+ DEBUG_m(PerlIO_printf(PerlIO_stderr(), "0x%x: (%05d) calloc %ld x %ld bytes\n",ptr,an++,(long)count,(long)size));
+#else
+ DEBUG_m(PerlIO_printf(PerlIO_stderr(), "0x%lx: (%05d) calloc %ld x %ld bytes\n",ptr,an++,(long)count,(long)size));
+#endif
+ size *= count;
+ ptr = malloc(size?size:1); /* malloc(0) is NASTY on our system */
+ if (ptr != Nullch) {
+ memset((void*)ptr, 0, size);
+ return ptr;
+ }
+ else if (nomemok)
+ return Nullch;
+ else {
+ PerlIO_puts(PerlIO_stderr(),no_mem) FLUSH;
+ my_exit(1);
+ }
+ /*NOTREACHED*/
+}
+
+#endif /* !safemalloc */
+
#ifdef LEAKTEST
#define ALIGN sizeof(long)
-char *
+Malloc_t
safexmalloc(x,size)
-int x;
+I32 x;
MEM_SIZE size;
{
- register char *where;
+ register Malloc_t where;
where = safemalloc(size + ALIGN);
xcount[x]++;
return where + ALIGN;
}
-char *
+Malloc_t
safexrealloc(where,size)
-char *where;
+Malloc_t where;
MEM_SIZE size;
{
- return saferealloc(where - ALIGN, size + ALIGN) + ALIGN;
+ register Malloc_t new = saferealloc(where - ALIGN, size + ALIGN);
+ return new + ALIGN;
}
void
safexfree(where)
-char *where;
+Malloc_t where;
{
- int x;
+ I32 x;
if (!where)
return;
safefree(where);
}
+Malloc_t
+safexcalloc(x,count,size)
+I32 x;
+MEM_SIZE count;
+MEM_SIZE size;
+{
+ register Malloc_t where;
+
+ where = safexmalloc(x, size * count + ALIGN);
+ xcount[x]++;
+ memset((void*)where + ALIGN, 0, size * count);
+ where[0] = x % 100;
+ where[1] = x / 100;
+ return where + ALIGN;
+}
+
+static void
xstat()
{
- register int i;
+ register I32 i;
for (i = 0; i < MAXXCOUNT; i++) {
- if (xcount[i] != lastxcount[i]) {
- fprintf(stderr,"%2d %2d\t%ld\n", i / 100, i % 100, xcount[i]);
+ if (xcount[i] > lastxcount[i]) {
+ PerlIO_printf(PerlIO_stderr(),"%2d %2d\t%ld\n", i / 100, i % 100, xcount[i]);
lastxcount[i] = xcount[i];
}
}
register char *from;
register char *fromend;
register int delim;
-int *retlen;
+I32 *retlen;
{
char *origto = to;
register char *little;
{
register char *s, *x;
- register int first;
+ register I32 first;
if (!little)
return big;
char *lend;
{
register char *s, *x;
- register int first = *little;
+ register I32 first = *little;
register char *littleend = lend;
- if (!first && little > littleend)
+ if (!first && little >= littleend)
return big;
+ if (bigend - big < littleend - little)
+ return Nullch;
bigend -= littleend - little++;
while (big <= bigend) {
if (*big++ != first)
{
register char *bigbeg;
register char *s, *x;
- register int first = *little;
+ register I32 first = *little;
register char *littleend = lend;
- if (!first && little > littleend)
+ if (!first && little >= littleend)
return bigend;
bigbeg = big;
big = bigend - (littleend - little++);
return Nullch;
}
-unsigned char fold[] = {
- 0, 1, 2, 3, 4, 5, 6, 7,
- 8, 9, 10, 11, 12, 13, 14, 15,
- 16, 17, 18, 19, 20, 21, 22, 23,
- 24, 25, 26, 27, 28, 29, 30, 31,
- 32, 33, 34, 35, 36, 37, 38, 39,
- 40, 41, 42, 43, 44, 45, 46, 47,
- 48, 49, 50, 51, 52, 53, 54, 55,
- 56, 57, 58, 59, 60, 61, 62, 63,
- 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
- 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
- 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
- 'x', 'y', 'z', 91, 92, 93, 94, 95,
- 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
- 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
- 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
- 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
- 128, 129, 130, 131, 132, 133, 134, 135,
- 136, 137, 138, 139, 140, 141, 142, 143,
- 144, 145, 146, 147, 148, 149, 150, 151,
- 152, 153, 154, 155, 156, 157, 158, 159,
- 160, 161, 162, 163, 164, 165, 166, 167,
- 168, 169, 170, 171, 172, 173, 174, 175,
- 176, 177, 178, 179, 180, 181, 182, 183,
- 184, 185, 186, 187, 188, 189, 190, 191,
- 192, 193, 194, 195, 196, 197, 198, 199,
- 200, 201, 202, 203, 204, 205, 206, 207,
- 208, 209, 210, 211, 212, 213, 214, 215,
- 216, 217, 218, 219, 220, 221, 222, 223,
- 224, 225, 226, 227, 228, 229, 230, 231,
- 232, 233, 234, 235, 236, 237, 238, 239,
- 240, 241, 242, 243, 244, 245, 246, 247,
- 248, 249, 250, 251, 252, 253, 254, 255
-};
-
-static unsigned char freq[] = {
- 1, 2, 84, 151, 154, 155, 156, 157,
- 165, 246, 250, 3, 158, 7, 18, 29,
- 40, 51, 62, 73, 85, 96, 107, 118,
- 129, 140, 147, 148, 149, 150, 152, 153,
- 255, 182, 224, 205, 174, 176, 180, 217,
- 233, 232, 236, 187, 235, 228, 234, 226,
- 222, 219, 211, 195, 188, 193, 185, 184,
- 191, 183, 201, 229, 181, 220, 194, 162,
- 163, 208, 186, 202, 200, 218, 198, 179,
- 178, 214, 166, 170, 207, 199, 209, 206,
- 204, 160, 212, 216, 215, 192, 175, 173,
- 243, 172, 161, 190, 203, 189, 164, 230,
- 167, 248, 227, 244, 242, 255, 241, 231,
- 240, 253, 169, 210, 245, 237, 249, 247,
- 239, 168, 252, 251, 254, 238, 223, 221,
- 213, 225, 177, 197, 171, 196, 159, 4,
- 5, 6, 8, 9, 10, 11, 12, 13,
- 14, 15, 16, 17, 19, 20, 21, 22,
- 23, 24, 25, 26, 27, 28, 30, 31,
- 32, 33, 34, 35, 36, 37, 38, 39,
- 41, 42, 43, 44, 45, 46, 47, 48,
- 49, 50, 52, 53, 54, 55, 56, 57,
- 58, 59, 60, 61, 63, 64, 65, 66,
- 67, 68, 69, 70, 71, 72, 74, 75,
- 76, 77, 78, 79, 80, 81, 82, 83,
- 86, 87, 88, 89, 90, 91, 92, 93,
- 94, 95, 97, 98, 99, 100, 101, 102,
- 103, 104, 105, 106, 108, 109, 110, 111,
- 112, 113, 114, 115, 116, 117, 119, 120,
- 121, 122, 123, 124, 125, 126, 127, 128,
- 130, 131, 132, 133, 134, 135, 136, 137,
- 138, 139, 141, 142, 143, 144, 145, 146
-};
+/* Initialize locale (and the fold[] array).*/
+int
+perl_init_i18nl10n(printwarn)
+ int printwarn;
+{
+ int ok = 1;
+ /* returns
+ * 1 = set ok or not applicable,
+ * 0 = fallback to C locale,
+ * -1 = fallback to C locale failed
+ */
+#if defined(HAS_SETLOCALE) && defined(LC_CTYPE)
+ char * lang = getenv("LANG");
+ char * lc_all = getenv("LC_ALL");
+ char * lc_ctype = getenv("LC_CTYPE");
+ int i;
+
+ if (setlocale(LC_CTYPE, "") == NULL && (lc_all || lc_ctype || lang)) {
+ char *doit;
+
+ if (printwarn > 1 ||
+ printwarn && (!(doit = getenv("PERL_BADLANG")) || atoi(doit))) {
+ PerlIO_printf(PerlIO_stderr(), "warning: setlocale(LC_CTYPE, \"\") failed.\n");
+ PerlIO_printf(PerlIO_stderr(),
+ "warning: LC_ALL = \"%s\", LC_CTYPE = \"%s\", LANG = \"%s\",\n",
+ lc_all ? lc_all : "(null)",
+ lc_ctype ? lc_ctype : "(null)",
+ lang ? lang : "(null)"
+ );
+ PerlIO_printf(PerlIO_stderr(), "warning: falling back to the \"C\" locale.\n");
+ }
+ ok = 0;
+ if (setlocale(LC_CTYPE, "C") == NULL)
+ ok = -1;
+ }
+
+ for (i = 0; i < 256; i++) {
+ if (isUPPER(i)) fold[i] = toLOWER(i);
+ else if (isLOWER(i)) fold[i] = toUPPER(i);
+ else fold[i] = i;
+ }
+#endif
+ return ok;
+}
void
-fbmcompile(str, iflag)
-STR *str;
-int iflag;
+fbm_compile(sv, iflag)
+SV *sv;
+I32 iflag;
{
register unsigned char *s;
register unsigned char *table;
- register int i;
- register int len = str->str_cur;
- int rarest = 0;
- unsigned int frequency = 256;
-
- Str_Grow(str,len+258);
-#ifndef lint
- table = (unsigned char*)(str->str_ptr + len + 1);
-#else
- table = Null(unsigned char*);
-#endif
+ register U32 i;
+ register U32 len = SvCUR(sv);
+ I32 rarest = 0;
+ U32 frequency = 256;
+
+ if (len > 255)
+ return; /* can't have offsets that big */
+ Sv_Grow(sv,len+258);
+ table = (unsigned char*)(SvPVX(sv) + len + 1);
s = table - 2;
for (i = 0; i < 256; i++) {
table[i] = len;
}
i = 0;
-#ifndef lint
- while (s >= (unsigned char*)(str->str_ptr))
-#endif
+ while (s >= (unsigned char*)(SvPVX(sv)))
{
if (table[*s] == len) {
#ifndef pdp11
table[*s] = table[fold[*s]] = i;
#else
if (iflag) {
- int j;
+ I32 j;
j = fold[*s];
table[j] = i;
table[*s] = i;
}
s--,i++;
}
- str->str_pok |= SP_FBM; /* deep magic */
+ sv_upgrade(sv, SVt_PVBM);
+ sv_magic(sv, Nullsv, 'B', Nullch, 0); /* deep magic */
+ SvVALID_on(sv);
-#ifndef lint
- s = (unsigned char*)(str->str_ptr); /* deeper magic */
-#else
- s = Null(unsigned char*);
-#endif
+ s = (unsigned char*)(SvPVX(sv)); /* deeper magic */
if (iflag) {
- register unsigned int tmp, foldtmp;
- str->str_pok |= SP_CASEFOLD;
+ register U32 tmp, foldtmp;
+ SvCASEFOLD_on(sv);
for (i = 0; i < len; i++) {
tmp=freq[s[i]];
foldtmp=freq[fold[s[i]]];
}
}
}
- str->str_rare = s[rarest];
- str->str_state = rarest;
-#ifdef DEBUGGING
- if (debug & 512)
- fprintf(stderr,"rarest char %c at %d\n",str->str_rare, str->str_state);
-#endif
+ BmRARE(sv) = s[rarest];
+ BmPREVIOUS(sv) = rarest;
+ DEBUG_r(PerlIO_printf(Perl_debug_log, "rarest char %c at %d\n",BmRARE(sv),BmPREVIOUS(sv)));
}
char *
-fbminstr(big, bigend, littlestr)
+fbm_instr(big, bigend, littlestr)
unsigned char *big;
register unsigned char *bigend;
-STR *littlestr;
+SV *littlestr;
{
register unsigned char *s;
- register int tmp;
- register int littlelen;
+ register I32 tmp;
+ register I32 littlelen;
register unsigned char *little;
register unsigned char *table;
register unsigned char *olds;
register unsigned char *oldlittle;
-#ifndef lint
- if (!(littlestr->str_pok & SP_FBM))
- return ninstr((char*)big,(char*)bigend,
- littlestr->str_ptr, littlestr->str_ptr + littlestr->str_cur);
-#endif
+ if (SvTYPE(littlestr) != SVt_PVBM || !SvVALID(littlestr)) {
+ STRLEN len;
+ char *l = SvPV(littlestr,len);
+ if (!len)
+ return (char*)big;
+ return ninstr((char*)big,(char*)bigend, l, l + len);
+ }
- littlelen = littlestr->str_cur;
-#ifndef lint
- if (littlestr->str_pok & SP_TAIL && !multiline) { /* tail anchored? */
+ littlelen = SvCUR(littlestr);
+ if (SvTAIL(littlestr) && !multiline) { /* tail anchored? */
if (littlelen > bigend - big)
return Nullch;
- little = (unsigned char*)littlestr->str_ptr;
- if (littlestr->str_pok & SP_CASEFOLD) { /* oops, fake it */
+ little = (unsigned char*)SvPVX(littlestr);
+ if (SvCASEFOLD(littlestr)) { /* oops, fake it */
big = bigend - littlelen; /* just start near end */
if (bigend[-1] == '\n' && little[littlelen-1] != '\n')
big--;
}
else {
s = bigend - littlelen;
- if (*s == *little && bcmp(s,little,littlelen)==0)
+ if (*s == *little && memcmp((char*)s,(char*)little,littlelen)==0)
return (char*)s; /* how sweet it is */
else if (bigend[-1] == '\n' && little[littlelen-1] != '\n'
&& s > big) {
s--;
- if (*s == *little && bcmp(s,little,littlelen)==0)
+ if (*s == *little && memcmp((char*)s,(char*)little,littlelen)==0)
return (char*)s;
}
return Nullch;
}
}
- table = (unsigned char*)(littlestr->str_ptr + littlelen + 1);
-#else
- table = Null(unsigned char*);
-#endif
+ table = (unsigned char*)(SvPVX(littlestr) + littlelen + 1);
if (--littlelen >= bigend - big)
return Nullch;
s = big + littlelen;
oldlittle = little = table - 2;
- if (littlestr->str_pok & SP_CASEFOLD) { /* case insensitive? */
+ if (SvCASEFOLD(littlestr)) { /* case insensitive? */
if (s < bigend) {
top1:
+ /*SUPPRESS 560*/
if (tmp = table[*s]) {
#ifdef POINTERRIGOR
if (bigend - s > tmp) {
goto top1;
return Nullch;
}
-#ifndef lint
return (char *)s;
-#endif
}
}
}
else {
if (s < bigend) {
top2:
+ /*SUPPRESS 560*/
if (tmp = table[*s]) {
#ifdef POINTERRIGOR
if (bigend - s > tmp) {
goto top2;
return Nullch;
}
-#ifndef lint
return (char *)s;
-#endif
}
}
}
char *
screaminstr(bigstr, littlestr)
-STR *bigstr;
-STR *littlestr;
+SV *bigstr;
+SV *littlestr;
{
register unsigned char *s, *x;
register unsigned char *big;
- register int pos;
- register int previous;
- register int first;
+ register I32 pos;
+ register I32 previous;
+ register I32 first;
register unsigned char *little;
register unsigned char *bigend;
register unsigned char *littleend;
- if ((pos = screamfirst[littlestr->str_rare]) < 0)
+ if ((pos = screamfirst[BmRARE(littlestr)]) < 0)
return Nullch;
-#ifndef lint
- little = (unsigned char *)(littlestr->str_ptr);
-#else
- little = Null(unsigned char *);
-#endif
- littleend = little + littlestr->str_cur;
+ little = (unsigned char *)(SvPVX(littlestr));
+ littleend = little + SvCUR(littlestr);
first = *little++;
- previous = littlestr->str_state;
-#ifndef lint
- big = (unsigned char *)(bigstr->str_ptr);
-#else
- big = Null(unsigned char*);
-#endif
- bigend = big + bigstr->str_cur;
- big -= previous;
+ previous = BmPREVIOUS(littlestr);
+ big = (unsigned char *)(SvPVX(bigstr));
+ bigend = big + SvCUR(bigstr);
while (pos < previous) {
-#ifndef lint
if (!(pos += screamnext[pos]))
-#endif
return Nullch;
}
- if (littlestr->str_pok & SP_CASEFOLD) { /* case insignificant? */
+#ifdef POINTERRIGOR
+ if (SvCASEFOLD(littlestr)) { /* case insignificant? */
+ do {
+ if (big[pos-previous] != first && big[pos-previous] != fold[first])
+ continue;
+ for (x=big+pos+1-previous,s=little; s < littleend; /**/ ) {
+ if (x >= bigend)
+ return Nullch;
+ if (*s++ != *x++ && fold[*(s-1)] != *(x-1)) {
+ s--;
+ break;
+ }
+ }
+ if (s == littleend)
+ return (char *)(big+pos-previous);
+ } while (
+ pos += screamnext[pos] /* does this goof up anywhere? */
+ );
+ }
+ else {
+ do {
+ if (big[pos-previous] != first)
+ continue;
+ for (x=big+pos+1-previous,s=little; s < littleend; /**/ ) {
+ if (x >= bigend)
+ return Nullch;
+ if (*s++ != *x++) {
+ s--;
+ break;
+ }
+ }
+ if (s == littleend)
+ return (char *)(big+pos-previous);
+ } while ( pos += screamnext[pos] );
+ }
+#else /* !POINTERRIGOR */
+ big -= previous;
+ if (SvCASEFOLD(littlestr)) { /* case insignificant? */
do {
if (big[pos] != first && big[pos] != fold[first])
continue;
}
}
if (s == littleend)
-#ifndef lint
return (char *)(big+pos);
-#else
- return Nullch;
-#endif
} while (
-#ifndef lint
pos += screamnext[pos] /* does this goof up anywhere? */
-#else
- pos += screamnext[0]
-#endif
);
}
else {
}
}
if (s == littleend)
-#ifndef lint
return (char *)(big+pos);
-#else
- return Nullch;
-#endif
} while (
-#ifndef lint
pos += screamnext[pos]
-#else
- pos += screamnext[0]
-#endif
);
}
+#endif /* POINTERRIGOR */
return Nullch;
}
+I32
+ibcmp(a,b,len)
+register U8 *a;
+register U8 *b;
+register I32 len;
+{
+ while (len--) {
+ if (*a == *b) {
+ a++,b++;
+ continue;
+ }
+ if (fold[*a++] == *b++)
+ continue;
+ return 1;
+ }
+ return 0;
+}
+
/* copy a string to a safe spot */
char *
-savestr(str)
-char *str;
+savepv(sv)
+char *sv;
{
register char *newaddr;
- New(902,newaddr,strlen(str)+1,char);
- (void)strcpy(newaddr,str);
+ New(902,newaddr,strlen(sv)+1,char);
+ (void)strcpy(newaddr,sv);
return newaddr;
}
/* same thing but with a known length */
char *
-nsavestr(str, len)
-char *str;
-register int len;
+savepvn(sv, len)
+char *sv;
+register I32 len;
{
register char *newaddr;
New(903,newaddr,len+1,char);
- (void)bcopy(str,newaddr,len); /* might not be null terminated */
+ Copy(sv,newaddr,len,char); /* might not be null terminated */
newaddr[len] = '\0'; /* is now */
return newaddr;
}
-/* grow a static string to at least a certain length */
+#if !defined(I_STDARG) && !defined(I_VARARGS)
-void
-growstr(strptr,curlen,newlen)
-char **strptr;
-int *curlen;
-int newlen;
-{
- if (newlen > *curlen) { /* need more room? */
- if (*curlen)
- Renew(*strptr,newlen,char);
- else
- New(905,*strptr,newlen,char);
- *curlen = newlen;
- }
-}
+/*
+ * Fallback on the old hackers way of doing varargs
+ */
-#ifndef VARARGS
/*VARARGS1*/
+char *
mess(pat,a1,a2,a3,a4)
char *pat;
long a1, a2, a3, a4;
{
char *s;
+ char *s_start;
+ I32 usermess = strEQ(pat,"%s");
+ SV *tmpstr;
+
+ s = s_start = buf;
+ if (usermess) {
+ tmpstr = sv_newmortal();
+ sv_setpv(tmpstr, (char*)a1);
+ *s++ = SvPVX(tmpstr)[SvCUR(tmpstr)-1];
+ }
+ else {
+ (void)sprintf(s,pat,a1,a2,a3,a4);
+ s += strlen(s);
+ }
- s = buf;
- (void)sprintf(s,pat,a1,a2,a3,a4);
- s += strlen(s);
if (s[-1] != '\n') {
- if (curcmd->c_line) {
- (void)sprintf(s," at %s line %ld",
- stab_val(curcmd->c_filestab)->str_ptr, (long)curcmd->c_line);
- s += strlen(s);
- }
- if (last_in_stab &&
- stab_io(last_in_stab) &&
- stab_io(last_in_stab)->lines ) {
- (void)sprintf(s,", <%s> line %ld",
- last_in_stab == argvstab ? "" : stab_name(last_in_stab),
- (long)stab_io(last_in_stab)->lines);
- s += strlen(s);
+ if (dirty)
+ strcpy(s, " during global destruction.\n");
+ else {
+ if (curcop->cop_line) {
+ (void)sprintf(s," at %s line %ld",
+ SvPVX(GvSV(curcop->cop_filegv)), (long)curcop->cop_line);
+ s += strlen(s);
+ }
+ if (GvIO(last_in_gv) &&
+ IoLINES(GvIOp(last_in_gv)) ) {
+ (void)sprintf(s,", <%s> %s %ld",
+ last_in_gv == argvgv ? "" : GvENAME(last_in_gv),
+ strEQ(rs,"\n") ? "line" : "chunk",
+ (long)IoLINES(GvIOp(last_in_gv)));
+ s += strlen(s);
+ }
+ (void)strcpy(s,".\n");
+ s += 2;
}
- (void)strcpy(s,".\n");
+ if (usermess)
+ sv_catpv(tmpstr,buf+1);
}
+
+ if (s - s_start >= sizeof(buf)) { /* Ooops! */
+ if (usermess)
+ PerlIO_puts(PerlIO_stderr(), SvPVX(tmpstr));
+ else
+ PerlIO_puts(PerlIO_stderr(), buf);
+ PerlIO_puts(PerlIO_stderr(),"panic: message overflow - memory corrupted!\n");
+ my_exit(1);
+ }
+ if (usermess)
+ return SvPVX(tmpstr);
+ else
+ return buf;
}
/*VARARGS1*/
-fatal(pat,a1,a2,a3,a4)
+void croak(pat,a1,a2,a3,a4)
char *pat;
long a1, a2, a3, a4;
{
- extern FILE *e_fp;
- extern char *e_tmpname;
char *tmps;
-
- mess(pat,a1,a2,a3,a4);
- if (in_eval) {
- str_set(stab_val(stabent("@",TRUE)),buf);
- tmps = "_EVAL_";
- while (loop_ptr >= 0 && (!loop_stack[loop_ptr].loop_label ||
- strNE(tmps,loop_stack[loop_ptr].loop_label) )) {
-#ifdef DEBUGGING
- if (debug & 4) {
- deb("(Skipping label #%d %s)\n",loop_ptr,
- loop_stack[loop_ptr].loop_label);
- }
-#endif
- loop_ptr--;
+ char *message;
+ HV *stash;
+ GV *gv;
+ CV *cv;
+
+ message = mess(pat,a1,a2,a3,a4);
+ if (diehook) {
+ SV *olddiehook = diehook;
+ diehook = Nullsv; /* sv_2cv might call croak() */
+ cv = sv_2cv(olddiehook, &stash, &gv, 0);
+ diehook = olddiehook;
+ if (cv && !CvDEPTH(cv)) {
+ dSP;
+
+ PUSHMARK(sp);
+ EXTEND(sp, 1);
+ PUSHs(sv_2mortal(newSVpv(message,0)));
+ PUTBACK;
+ perl_call_sv((SV*)cv, G_DISCARD);
}
-#ifdef DEBUGGING
- if (debug & 4) {
- deb("(Found label #%d %s)\n",loop_ptr,
- loop_stack[loop_ptr].loop_label);
- }
-#endif
- if (loop_ptr < 0) {
- in_eval = 0;
- fatal("Bad label: %s", tmps);
- }
- longjmp(loop_stack[loop_ptr].loop_env, 1);
}
- fputs(buf,stderr);
- (void)fflush(stderr);
- if (e_fp)
+ if (in_eval) {
+ restartop = die_where(message);
+ Siglongjmp(top_env, 3);
+ }
+ PerlIO_puts(PerlIO_stderr(),message);
+ (void)PerlIO_flush(PerlIO_stderr());
+ if (e_tmpname) {
+ if (e_fp) {
+ PerlIO_close(e_fp);
+ e_fp = Nullfp;
+ }
(void)UNLINK(e_tmpname);
- statusvalue >>= 8;
- exit((int)((errno&255)?errno:((statusvalue&255)?statusvalue:255)));
+ Safefree(e_tmpname);
+ e_tmpname = Nullch;
+ }
+ statusvalue = SHIFTSTATUS(statusvalue);
+#ifdef VMS
+ my_exit((U32)vaxc$errno?vaxc$errno:errno?errno:statusvalue?statusvalue:SS$_ABORT);
+#else
+ my_exit((U32)((errno&255)?errno:((statusvalue&255)?statusvalue:255)));
+#endif
}
/*VARARGS1*/
-warn(pat,a1,a2,a3,a4)
+void warn(pat,a1,a2,a3,a4)
char *pat;
long a1, a2, a3, a4;
{
- mess(pat,a1,a2,a3,a4);
- fputs(buf,stderr);
+ char *message;
+ SV *sv;
+ HV *stash;
+ GV *gv;
+ CV *cv;
+
+ message = mess(pat,a1,a2,a3,a4);
+ if (warnhook) {
+ SV *oldwarnhook = warnhook;
+ warnhook = Nullsv; /* sv_2cv might end up calling warn() */
+ cv = sv_2cv(oldwarnhook, &stash, &gv, 0);
+ warnhook = oldwarnhook;
+ if (cv && !CvDEPTH(cv)) {
+ dSP;
+
+ PUSHMARK(sp);
+ EXTEND(sp, 1);
+ PUSHs(sv_2mortal(newSVpv(message,0)));
+ PUTBACK;
+ perl_call_sv((SV*)cv, G_DISCARD);
+ return;
+ }
+ }
+ PerlIO_puts(PerlIO_stderr(),message);
#ifdef LEAKTEST
-#ifdef DEBUGGING
- if (debug & 4096)
- xstat();
-#endif
+ DEBUG_L(xstat());
#endif
- (void)fflush(stderr);
+ (void)PerlIO_flush(PerlIO_stderr());
}
+
+#else /* !defined(I_STDARG) && !defined(I_VARARGS) */
+
+#ifdef I_STDARG
+char *
+mess(char *pat, va_list *args)
#else
/*VARARGS0*/
-mess(args)
-va_list args;
-{
+char *
+mess(pat, args)
char *pat;
+ va_list *args;
+#endif
+{
char *s;
-#ifdef CHARVSPRINTF
+ char *s_start;
+ SV *tmpstr;
+ I32 usermess;
+#ifndef HAS_VPRINTF
+#ifdef USE_CHAR_VSPRINTF
char *vsprintf();
#else
- int vsprintf();
+ I32 vsprintf();
#endif
-
- s = buf;
-#ifdef lint
- pat = Nullch;
-#else
- pat = va_arg(args, char *);
#endif
- (void) vsprintf(s,pat,args);
- s += strlen(s);
+ s = s_start = buf;
+ usermess = strEQ(pat, "%s");
+ if (usermess) {
+ tmpstr = sv_newmortal();
+ sv_setpv(tmpstr, va_arg(*args, char *));
+ *s++ = SvPVX(tmpstr)[SvCUR(tmpstr)-1];
+ }
+ else {
+ (void) vsprintf(s,pat,*args);
+ s += strlen(s);
+ }
+ va_end(*args);
+
if (s[-1] != '\n') {
- if (curcmd->c_line) {
- (void)sprintf(s," at %s line %ld",
- stab_val(curcmd->c_filestab)->str_ptr, (long)curcmd->c_line);
- s += strlen(s);
- }
- if (last_in_stab &&
- stab_io(last_in_stab) &&
- stab_io(last_in_stab)->lines ) {
- (void)sprintf(s,", <%s> line %ld",
- last_in_stab == argvstab ? "" : last_in_stab->str_magic->str_ptr,
- (long)stab_io(last_in_stab)->lines);
- s += strlen(s);
+ if (dirty)
+ strcpy(s, " during global destruction.\n");
+ else {
+ if (curcop->cop_line) {
+ (void)sprintf(s," at %s line %ld",
+ SvPVX(GvSV(curcop->cop_filegv)), (long)curcop->cop_line);
+ s += strlen(s);
+ }
+ if (GvIO(last_in_gv) && IoLINES(GvIOp(last_in_gv))) {
+ bool line_mode = (RsSIMPLE(rs) &&
+ SvLEN(rs) == 1 && *SvPVX(rs) == '\n');
+ (void)sprintf(s,", <%s> %s %ld",
+ last_in_gv == argvgv ? "" : GvNAME(last_in_gv),
+ line_mode ? "line" : "chunk",
+ (long)IoLINES(GvIOp(last_in_gv)));
+ s += strlen(s);
+ }
+ (void)strcpy(s,".\n");
+ s += 2;
}
- (void)strcpy(s,".\n");
+ if (usermess)
+ sv_catpv(tmpstr,buf+1);
}
+
+ if (s - s_start >= sizeof(buf)) { /* Ooops! */
+ if (usermess)
+ PerlIO_puts(PerlIO_stderr(), SvPVX(tmpstr));
+ else
+ PerlIO_puts(PerlIO_stderr(), buf);
+ PerlIO_puts(PerlIO_stderr(), "panic: message overflow - memory corrupted!\n");
+ my_exit(1);
+ }
+ if (usermess)
+ return SvPVX(tmpstr);
+ else
+ return buf;
}
+#ifdef I_STDARG
+void
+croak(char* pat, ...)
+#else
/*VARARGS0*/
-fatal(va_alist)
-va_dcl
+void
+croak(pat, va_alist)
+ char *pat;
+ va_dcl
+#endif
{
va_list args;
- extern FILE *e_fp;
- extern char *e_tmpname;
- char *tmps;
+ char *message;
+ HV *stash;
+ GV *gv;
+ CV *cv;
-#ifndef lint
- va_start(args);
+#ifdef I_STDARG
+ va_start(args, pat);
#else
- args = 0;
+ va_start(args);
#endif
- mess(args);
+ message = mess(pat, &args);
va_end(args);
- if (in_eval) {
- str_set(stab_val(stabent("@",TRUE)),buf);
- tmps = "_EVAL_";
- while (loop_ptr >= 0 && (!loop_stack[loop_ptr].loop_label ||
- strNE(tmps,loop_stack[loop_ptr].loop_label) )) {
-#ifdef DEBUGGING
- if (debug & 4) {
- deb("(Skipping label #%d %s)\n",loop_ptr,
- loop_stack[loop_ptr].loop_label);
- }
-#endif
- loop_ptr--;
- }
-#ifdef DEBUGGING
- if (debug & 4) {
- deb("(Found label #%d %s)\n",loop_ptr,
- loop_stack[loop_ptr].loop_label);
- }
-#endif
- if (loop_ptr < 0) {
- in_eval = 0;
- fatal("Bad label: %s", tmps);
+ if (diehook) {
+ SV *olddiehook = diehook;
+ diehook = Nullsv; /* sv_2cv might call croak() */
+ cv = sv_2cv(olddiehook, &stash, &gv, 0);
+ diehook = olddiehook;
+ if (cv && !CvDEPTH(cv)) {
+ dSP;
+
+ PUSHMARK(sp);
+ EXTEND(sp, 1);
+ PUSHs(sv_2mortal(newSVpv(message,0)));
+ PUTBACK;
+ perl_call_sv((SV*)cv, G_DISCARD);
}
- longjmp(loop_stack[loop_ptr].loop_env, 1);
}
- fputs(buf,stderr);
- (void)fflush(stderr);
- if (e_fp)
+ if (in_eval) {
+ restartop = die_where(message);
+ Siglongjmp(top_env, 3);
+ }
+ PerlIO_puts(PerlIO_stderr(),message);
+ (void)PerlIO_flush(PerlIO_stderr());
+ if (e_tmpname) {
+ if (e_fp) {
+ PerlIO_close(e_fp);
+ e_fp = Nullfp;
+ }
(void)UNLINK(e_tmpname);
- statusvalue >>= 8;
- exit((int)((errno&255)?errno:((statusvalue&255)?statusvalue:255)));
+ Safefree(e_tmpname);
+ e_tmpname = Nullch;
+ }
+ statusvalue = SHIFTSTATUS(statusvalue);
+#ifdef VMS
+ my_exit((U32)(vaxc$errno?vaxc$errno:(statusvalue?statusvalue:44)));
+#else
+ my_exit((U32)((errno&255)?errno:((statusvalue&255)?statusvalue:255)));
+#endif
}
+void
+#ifdef I_STDARG
+warn(char* pat,...)
+#else
/*VARARGS0*/
-warn(va_alist)
-va_dcl
+warn(pat,va_alist)
+ char *pat;
+ va_dcl
+#endif
{
va_list args;
+ char *message;
+ HV *stash;
+ GV *gv;
+ CV *cv;
-#ifndef lint
- va_start(args);
+#ifdef I_STDARG
+ va_start(args, pat);
#else
- args = 0;
+ va_start(args);
#endif
- mess(args);
+ message = mess(pat, &args);
va_end(args);
- fputs(buf,stderr);
+ if (warnhook) {
+ SV *oldwarnhook = warnhook;
+ warnhook = Nullsv; /* sv_2cv might end up calling warn() */
+ cv = sv_2cv(oldwarnhook, &stash, &gv, 0);
+ warnhook = oldwarnhook;
+ if (cv && !CvDEPTH(cv)) {
+ dSP;
+
+ PUSHMARK(sp);
+ EXTEND(sp, 1);
+ PUSHs(sv_2mortal(newSVpv(message,0)));
+ PUTBACK;
+ perl_call_sv((SV*)cv, G_DISCARD);
+ return;
+ }
+ }
+ PerlIO_puts(PerlIO_stderr(),message);
#ifdef LEAKTEST
-#ifdef DEBUGGING
- if (debug & 4096)
- xstat();
-#endif
+ DEBUG_L(xstat());
#endif
- (void)fflush(stderr);
+ (void)PerlIO_flush(PerlIO_stderr());
}
-#endif
-
-static bool firstsetenv = TRUE;
-extern char **environ;
+#endif /* !defined(I_STDARG) && !defined(I_VARARGS) */
+#ifndef VMS /* VMS' my_setenv() is in VMS.c */
void
-setenv(nam,val)
+my_setenv(nam,val)
char *nam, *val;
{
- register int i=envix(nam); /* where does it go? */
-
+ register I32 i=setenv_getix(nam); /* where does it go? */
+
+ if (environ == origenviron) { /* need we copy environment? */
+ I32 j;
+ I32 max;
+ char **tmpenv;
+
+ /*SUPPRESS 530*/
+ for (max = i; environ[max]; max++) ;
+ New(901,tmpenv, max+2, char*);
+ for (j=0; j<max; j++) /* copy environment */
+ tmpenv[j] = savepv(environ[j]);
+ tmpenv[max] = Nullch;
+ environ = tmpenv; /* tell exec where it is now */
+ }
if (!val) {
while (environ[i]) {
environ[i] = environ[i+1];
return;
}
if (!environ[i]) { /* does not exist yet */
- if (firstsetenv) { /* need we copy environment? */
- int j;
- char **tmpenv;
-
- New(901,tmpenv, i+2, char*);
- firstsetenv = FALSE;
- for (j=0; j<i; j++) /* copy environment */
- tmpenv[j] = environ[j];
- environ = tmpenv; /* tell exec where it is now */
- }
- else
- Renew(environ, i+2, char*); /* just expand it a bit */
+ Renew(environ, i+2, char*); /* just expand it a bit */
environ[i+1] = Nullch; /* make sure it's null terminated */
}
+ else
+ Safefree(environ[i]);
New(904, environ[i], strlen(nam) + strlen(val) + 2, char);
- /* this may or may not be in */
- /* the old environ structure */
#ifndef MSDOS
(void)sprintf(environ[i],"%s=%s",nam,val);/* all that work just for this */
#else
/* MS-DOS requires environment variable names to be in uppercase */
- strcpy(environ[i],nam); strupr(environ[i],nam);
+ /* [Tom Dinger, 27 August 1990: Well, it doesn't _require_ it, but
+ * some utilities and applications may break because they only look
+ * for upper case strings. (Fixed strupr() bug here.)]
+ */
+ strcpy(environ[i],nam); strupr(environ[i]);
(void)sprintf(environ[i] + strlen(nam),"=%s",val);
#endif /* MSDOS */
}
-int
-envix(nam)
+I32
+setenv_getix(nam)
char *nam;
{
- register int i, len = strlen(nam);
+ register I32 i, len = strlen(nam);
for (i = 0; environ[i]; i++) {
if (strnEQ(environ[i],nam,len) && environ[i][len] == '=')
} /* potential SEGV's */
return i;
}
+#endif /* !VMS */
-#ifdef EUNICE
+#ifdef UNLINK_ALL_VERSIONS
+I32
unlnk(f) /* unlink all versions of a file */
char *f;
{
- int i;
+ I32 i;
for (i = 0; unlink(f) >= 0; i++) ;
return i ? 0 : -1;
}
#endif
-#ifndef MEMCPY
-#ifndef BCOPY
+#if !defined(HAS_BCOPY) || !defined(HAS_SAFE_BCOPY)
char *
-bcopy(from,to,len)
+my_bcopy(from,to,len)
register char *from;
register char *to;
-register int len;
+register I32 len;
{
char *retval = to;
- while (len--)
- *to++ = *from++;
+ if (from - to >= 0) {
+ while (len--)
+ *to++ = *from++;
+ }
+ else {
+ to += len;
+ from += len;
+ while (len--)
+ *(--to) = *(--from);
+ }
return retval;
}
#endif
-#ifndef BZERO
+#if !defined(HAS_BZERO) && !defined(HAS_MEMSET)
char *
-bzero(loc,len)
+my_bzero(loc,len)
register char *loc;
-register int len;
+register I32 len;
{
char *retval = loc;
return retval;
}
#endif
-#endif
-#ifdef VARARGS
-#ifndef VPRINTF
+#ifndef HAS_MEMCMP
+I32
+my_memcmp(s1,s2,len)
+register unsigned char *s1;
+register unsigned char *s2;
+register I32 len;
+{
+ register I32 tmp;
-#ifdef CHARVSPRINTF
+ while (len--) {
+ if (tmp = *s1++ - *s2++)
+ return tmp;
+ }
+ return 0;
+}
+#endif /* HAS_MEMCMP */
+
+#if defined(I_STDARG) || defined(I_VARARGS)
+#ifndef HAS_VPRINTF
+
+#ifdef USE_CHAR_VSPRINTF
char *
#else
int
fakebuf._ptr = dest;
fakebuf._cnt = 32767;
+#ifndef _IOSTRG
+#define _IOSTRG 0
+#endif
fakebuf._flag = _IOWRT|_IOSTRG;
_doprnt(pat, args, &fakebuf); /* what a kludge */
(void)putc('\0', &fakebuf);
-#ifdef CHARVSPRINTF
+#ifdef USE_CHAR_VSPRINTF
return(dest);
#else
return 0; /* perl doesn't use return value */
#endif
}
-#ifdef DEBUGGING
-int
-vfprintf(fd, pat, args)
-FILE *fd;
-char *pat, *args;
-{
- _doprnt(pat, args, fd);
- return 0; /* wrong, but perl doesn't use the return value */
-}
-#endif
-#endif /* VPRINTF */
-#endif /* VARARGS */
+#endif /* HAS_VPRINTF */
+#endif /* I_VARARGS || I_STDARGS */
#ifdef MYSWAP
#if BYTEORDER != 0x4321
short
+#ifndef CAN_PROTOTYPE
my_swap(s)
short s;
+#else
+my_swap(short s)
+#endif
{
#if (BYTEORDER & 1) == 0
short result;
}
long
-htonl(l)
+#ifndef CAN_PROTOTYPE
+my_htonl(l)
register long l;
+#else
+my_htonl(long l)
+#endif
{
union {
long result;
return u.result;
#else
#if ((BYTEORDER - 0x1111) & 0x444) || !(BYTEORDER & 0xf)
- fatal("Unknown BYTEORDER\n");
+ croak("Unknown BYTEORDER\n");
#else
- register int o;
- register int s;
+ register I32 o;
+ register I32 s;
for (o = BYTEORDER - 0x1111, s = 0; s < (sizeof(long)*8); o >>= 4, s += 8) {
u.c[o & 0xf] = (l >> s) & 255;
}
long
-ntohl(l)
+#ifndef CAN_PROTOTYPE
+my_ntohl(l)
register long l;
+#else
+my_ntohl(long l)
+#endif
{
union {
long l;
return u.l;
#else
#if ((BYTEORDER - 0x1111) & 0x444) || !(BYTEORDER & 0xf)
- fatal("Unknown BYTEORDER\n");
+ croak("Unknown BYTEORDER\n");
#else
- register int o;
- register int s;
+ register I32 o;
+ register I32 s;
u.l = l;
l = 0;
}
#endif /* BYTEORDER != 0x4321 */
-#endif /* HTONS */
+#endif /* MYSWAP */
+
+/*
+ * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
+ * If these functions are defined,
+ * the BYTEORDER is neither 0x1234 nor 0x4321.
+ * However, this is not assumed.
+ * -DWS
+ */
-#ifndef MSDOS
-FILE *
-mypopen(cmd,mode)
+#define HTOV(name,type) \
+ type \
+ name (n) \
+ register type n; \
+ { \
+ union { \
+ type value; \
+ char c[sizeof(type)]; \
+ } u; \
+ register I32 i; \
+ register I32 s; \
+ for (i = 0, s = 0; i < sizeof(u.c); i++, s += 8) { \
+ u.c[i] = (n >> s) & 0xFF; \
+ } \
+ return u.value; \
+ }
+
+#define VTOH(name,type) \
+ type \
+ name (n) \
+ register type n; \
+ { \
+ union { \
+ type value; \
+ char c[sizeof(type)]; \
+ } u; \
+ register I32 i; \
+ register I32 s; \
+ u.value = n; \
+ n = 0; \
+ for (i = 0, s = 0; i < sizeof(u.c); i++, s += 8) { \
+ n += (u.c[i] & 0xFF) << s; \
+ } \
+ return n; \
+ }
+
+#if defined(HAS_HTOVS) && !defined(htovs)
+HTOV(htovs,short)
+#endif
+#if defined(HAS_HTOVL) && !defined(htovl)
+HTOV(htovl,long)
+#endif
+#if defined(HAS_VTOHS) && !defined(vtohs)
+VTOH(vtohs,short)
+#endif
+#if defined(HAS_VTOHL) && !defined(vtohl)
+VTOH(vtohl,long)
+#endif
+
+#if (!defined(DOSISH) || defined(HAS_FORK)) && !defined(VMS) /* VMS' my_popen() is in
+ VMS.c, same with OS/2. */
+PerlIO *
+my_popen(cmd,mode)
char *cmd;
char *mode;
{
int p[2];
- register int this, that;
- register int pid;
- STR *str;
- int doexec = strNE(cmd,"-");
+ register I32 this, that;
+ register I32 pid;
+ SV *sv;
+ I32 doexec = strNE(cmd,"-");
if (pipe(p) < 0)
return Nullfp;
this = (*mode == 'w');
that = !this;
+ if (tainting) {
+ if (doexec) {
+ taint_env();
+ taint_proper("Insecure %s%s", "EXEC");
+ }
+ }
while ((pid = (doexec?vfork():fork())) < 0) {
if (errno != EAGAIN) {
close(p[this]);
if (!doexec)
- fatal("Can't fork");
+ croak("Can't fork");
return Nullfp;
}
sleep(5);
}
if (pid == 0) {
+ GV* tmpgv;
+
#define THIS that
#define THAT this
close(p[THAT]);
close(p[THIS]);
}
if (doexec) {
-#if !defined(FCNTL) || !defined(F_SETFD)
+#if !defined(HAS_FCNTL) || !defined(F_SETFD)
int fd;
#ifndef NOFILE
#define NOFILE 20
#endif
- for (fd = 3; fd < NOFILE; fd++)
+ for (fd = maxsysfd + 1; fd < NOFILE; fd++)
close(fd);
#endif
do_exec(cmd); /* may or may not use the shell */
_exit(1);
}
- if (tmpstab = stabent("$",allstabs))
- str_numset(STAB_STR(tmpstab),(double)getpid());
+ /*SUPPRESS 560*/
+ if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV))
+ sv_setiv(GvSV(tmpgv),(I32)getpid());
forkprocess = 0;
- hclear(pidstatus); /* we have no children */
+ hv_clear(pidstatus); /* we have no children */
return Nullfp;
#undef THIS
#undef THAT
close(p[this]);
p[this] = p[that];
}
- str = afetch(fdpid,p[this],TRUE);
- str->str_u.str_useful = pid;
+ sv = *av_fetch(fdpid,p[this],TRUE);
+ (void)SvUPGRADE(sv,SVt_IV);
+ SvIVX(sv) = pid;
forkprocess = pid;
- return fdopen(p[this], mode);
+ return PerlIO_fdopen(p[this], mode);
}
-#endif /* !MSDOS */
+#else
+#if defined(atarist)
+FILE *popen();
+PerlIO *
+my_popen(cmd,mode)
+char *cmd;
+char *mode;
+{
+ /* Needs work for PerlIO ! */
+ return popen(PerlIO_exportFILE(cmd), mode);
+}
+#endif
+
+#endif /* !DOSISH */
-#ifdef NOTDEF
-dumpfds(s)
+#ifdef DUMP_FDS
+dump_fds(s)
char *s;
{
int fd;
struct stat tmpstatbuf;
- fprintf(stderr,"%s", s);
+ PerlIO_printf(PerlIO_stderr(),"%s", s);
for (fd = 0; fd < 32; fd++) {
- if (fstat(fd,&tmpstatbuf) >= 0)
- fprintf(stderr," %d",fd);
+ if (Fstat(fd,&tmpstatbuf) >= 0)
+ PerlIO_printf(PerlIO_stderr()," %d",fd);
}
- fprintf(stderr,"\n");
+ PerlIO_printf(PerlIO_stderr(),"\n");
}
#endif
-#ifndef DUP2
+#ifndef HAS_DUP2
+int
dup2(oldfd,newfd)
int oldfd;
int newfd;
{
-#if defined(FCNTL) && defined(F_DUPFD)
+#if defined(HAS_FCNTL) && defined(F_DUPFD)
+ if (oldfd == newfd)
+ return oldfd;
close(newfd);
- fcntl(oldfd, F_DUPFD, newfd);
+ return fcntl(oldfd, F_DUPFD, newfd);
#else
- int fdtmp[20];
- int fdx = 0;
+ int fdtmp[256];
+ I32 fdx = 0;
int fd;
+ if (oldfd == newfd)
+ return oldfd;
close(newfd);
- while ((fd = dup(oldfd)) != newfd) /* good enough for low fd's */
+ while ((fd = dup(oldfd)) != newfd && fd >= 0) /* good enough for low fd's */
fdtmp[fdx++] = fd;
while (fdx > 0)
close(fdtmp[--fdx]);
+ return fd;
#endif
}
#endif
-#ifndef MSDOS
-int
-mypclose(ptr)
-FILE *ptr;
+#if (!defined(DOSISH) || defined(HAS_FORK)) && !defined(VMS) /* VMS' my_popen() is in VMS.c */
+I32
+my_pclose(ptr)
+PerlIO *ptr;
{
-#ifdef VOIDSIG
- void (*hstat)(), (*istat)(), (*qstat)();
-#else
- int (*hstat)(), (*istat)(), (*qstat)();
-#endif
+ Signal_t (*hstat)(), (*istat)(), (*qstat)();
int status;
- STR *str;
+ SV **svp;
int pid;
- str = afetch(fdpid,fileno(ptr),TRUE);
- astore(fdpid,fileno(ptr),Nullstr);
- fclose(ptr);
- pid = (int)str->str_u.str_useful;
+ svp = av_fetch(fdpid,PerlIO_fileno(ptr),TRUE);
+ pid = (int)SvIVX(*svp);
+ SvREFCNT_dec(*svp);
+ *svp = &sv_undef;
+ PerlIO_close(ptr);
+#ifdef UTS
+ if(kill(pid, 0) < 0) { return(pid); } /* HOM 12/23/91 */
+#endif
hstat = signal(SIGHUP, SIG_IGN);
istat = signal(SIGINT, SIG_IGN);
qstat = signal(SIGQUIT, SIG_IGN);
- pid = wait4pid(pid, &status, 0);
+ do {
+ pid = wait4pid(pid, &status, 0);
+ } while (pid == -1 && errno == EINTR);
signal(SIGHUP, hstat);
signal(SIGINT, istat);
signal(SIGQUIT, qstat);
return(pid < 0 ? pid : status);
}
+#endif /* !DOSISH */
-int
+#if !defined(DOSISH) || defined(OS2)
+I32
wait4pid(pid,statusp,flags)
int pid;
int *statusp;
int flags;
{
- int result;
- STR *str;
+ SV *sv;
+ SV** svp;
char spid[16];
if (!pid)
return -1;
-#ifdef WAIT4
- return wait4(pid,statusp,flags,Null(struct rusage *));
-#else
-#ifdef WAITPID
- return waitpid(pid,statusp,flags);
-#else
if (pid > 0) {
sprintf(spid, "%d", pid);
- str = hfetch(pidstatus,spid,strlen(spid),FALSE);
- if (str != &str_undef) {
- *statusp = (int)str->str_u.str_useful;
- hdelete(pidstatus,spid,strlen(spid));
+ svp = hv_fetch(pidstatus,spid,strlen(spid),FALSE);
+ if (svp && *svp != &sv_undef) {
+ *statusp = SvIVX(*svp);
+ (void)hv_delete(pidstatus,spid,strlen(spid),G_DISCARD);
return pid;
}
}
else {
- HENT *entry;
+ HE *entry;
- hiterinit(pidstatus);
- if (entry = hiternext(pidstatus)) {
- pid = atoi(hiterkey(entry,statusp));
- str = hiterval(entry);
- *statusp = (int)str->str_u.str_useful;
+ hv_iterinit(pidstatus);
+ if (entry = hv_iternext(pidstatus)) {
+ pid = atoi(hv_iterkey(entry,(I32*)statusp));
+ sv = hv_iterval(pidstatus,entry);
+ *statusp = SvIVX(sv);
sprintf(spid, "%d", pid);
- hdelete(pidstatus,spid,strlen(spid));
+ (void)hv_delete(pidstatus,spid,strlen(spid),G_DISCARD);
return pid;
}
}
- if (flags)
- fatal("Can't do waitpid with flags");
- else {
- register int count;
- register STR *str;
-
- while ((result = wait(statusp)) != pid && pid > 0 && result >= 0)
- pidgone(result,*statusp);
- if (result < 0)
- *statusp = -1;
+#ifdef HAS_WAITPID
+ return waitpid(pid,statusp,flags);
+#else
+#ifdef HAS_WAIT4
+ return wait4((pid==-1)?0:pid,statusp,flags,Null(struct rusage *));
+#else
+ {
+ I32 result;
+ if (flags)
+ croak("Can't do waitpid with flags");
+ else {
+ while ((result = wait(statusp)) != pid && pid > 0 && result >= 0)
+ pidgone(result,*statusp);
+ if (result < 0)
+ *statusp = -1;
+ }
+ return result;
}
- return result;
#endif
#endif
}
-#endif /* !MSDOS */
+#endif /* !DOSISH */
+void
+/*SUPPRESS 590*/
pidgone(pid,status)
int pid;
int status;
{
-#if defined(WAIT4) || defined(WAITPID)
-#else
- register STR *str;
+ register SV *sv;
char spid[16];
sprintf(spid, "%d", pid);
- str = hfetch(pidstatus,spid,strlen(spid),TRUE);
- str->str_u.str_useful = status;
-#endif
+ sv = *hv_fetch(pidstatus,spid,strlen(spid),TRUE);
+ (void)SvUPGRADE(sv,SVt_IV);
+ SvIVX(sv) = status;
return;
}
-#ifndef MEMCMP
-memcmp(s1,s2,len)
-register unsigned char *s1;
-register unsigned char *s2;
-register int len;
+#if defined(atarist) || (defined(OS2) && !defined(HAS_FORK))
+int pclose();
+I32
+my_pclose(ptr)
+PerlIO *ptr;
{
- register int tmp;
-
- while (len--) {
- if (tmp = *s1++ - *s2++)
- return tmp;
- }
- return 0;
+ /* Needs work for PerlIO ! */
+ FILE *f = PerlIO_findFILE(ptr);
+ I32 result = pclose(f);
+ PerlIO_releaseFILE(ptr,f);
+ return result;
}
-#endif /* MEMCMP */
+#endif
void
repeatcpy(to,from,len,count)
register char *to;
register char *from;
-int len;
-register int count;
+I32 len;
+register I32 count;
{
- register int todo;
+ register I32 todo;
register char *frombase = from;
if (len == 1) {
}
#ifndef CASTNEGFLOAT
-unsigned long
-castulong(f)
+U32
+cast_ulong(f)
double f;
{
long along;
along = (long)f;
return (unsigned long)along;
}
+# undef BIGDOUBLE
#endif
-#ifndef RENAME
-int
+#ifndef CASTI32
+
+/* Unfortunately, on some systems the cast_uv() function doesn't
+ work with the system-supplied definition of ULONG_MAX. The
+ comparison (f >= ULONG_MAX) always comes out true. It must be a
+ problem with the compiler constant folding.
+
+ In any case, this workaround should be fine on any two's complement
+ system. If it's not, supply a '-DMY_ULONG_MAX=whatever' in your
+ ccflags.
+ --Andy Dougherty <doughera@lafcol.lafayette.edu>
+*/
+
+/* 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)
+#endif
+
+I32
+cast_i32(f)
+double f;
+{
+ if (f >= I32_MAX)
+ return (I32) I32_MAX;
+ if (f <= I32_MIN)
+ return (I32) I32_MIN;
+ return (I32) f;
+}
+
+IV
+cast_iv(f)
+double f;
+{
+ if (f >= IV_MAX)
+ return (IV) IV_MAX;
+ if (f <= IV_MIN)
+ return (IV) IV_MIN;
+ return (IV) f;
+}
+
+UV
+cast_uv(f)
+double f;
+{
+ if (f >= MY_UV_MAX)
+ return (UV) MY_UV_MAX;
+ return (UV) f;
+}
+
+#endif
+
+#ifndef HAS_RENAME
+I32
same_dirent(a,b)
char *a;
char *b;
{
- char *fa = rindex(a,'/');
- char *fb = rindex(b,'/');
+ char *fa = strrchr(a,'/');
+ char *fb = strrchr(b,'/');
struct stat tmpstatbuf1;
struct stat tmpstatbuf2;
#ifndef MAXPATHLEN
strcpy(tmpbuf,".");
else
strncpy(tmpbuf, a, fa - a);
- if (stat(tmpbuf, &tmpstatbuf1) < 0)
+ if (Stat(tmpbuf, &tmpstatbuf1) < 0)
return FALSE;
if (fb == b)
strcpy(tmpbuf,".");
else
strncpy(tmpbuf, b, fb - b);
- if (stat(tmpbuf, &tmpstatbuf2) < 0)
+ if (Stat(tmpbuf, &tmpstatbuf2) < 0)
return FALSE;
return tmpstatbuf1.st_dev == tmpstatbuf2.st_dev &&
tmpstatbuf1.st_ino == tmpstatbuf2.st_ino;
}
-#endif /* !RENAME */
+#endif /* !HAS_RENAME */
+
+unsigned long
+scan_oct(start, len, retlen)
+char *start;
+I32 len;
+I32 *retlen;
+{
+ register char *s = start;
+ register unsigned long retval = 0;
+
+ while (len && *s >= '0' && *s <= '7') {
+ retval <<= 3;
+ retval |= *s++ - '0';
+ len--;
+ }
+ if (dowarn && len && (*s == '8' || *s == '9'))
+ warn("Illegal octal digit ignored");
+ *retlen = s - start;
+ return retval;
+}
+
+unsigned long
+scan_hex(start, len, retlen)
+char *start;
+I32 len;
+I32 *retlen;
+{
+ register char *s = start;
+ register unsigned long retval = 0;
+ char *tmp;
+
+ while (len-- && *s && (tmp = strchr(hexdigit, *s))) {
+ retval <<= 4;
+ retval |= (tmp - hexdigit) & 15;
+ s++;
+ }
+ *retlen = s - start;
+ return retval;
+}
+
+
+#ifdef HUGE_VAL
+/*
+ * This hack is to force load of "huge" support from libm.a
+ * So it is in perl for (say) POSIX to use.
+ * Needed for SunOS with Sun's 'acc' for example.
+ */
+double
+Perl_huge()
+{
+ return HUGE_VAL;
+}
+#endif
projects / p5sagit/p5-mst-13.2.git / blobdiff