static void init_postdump_symbols _((int, char **, char **));
static void init_predump_symbols _((void));
static void init_stacks _((void));
+static void nuke_stacks _((void));
static void open_script _((char *, bool, SV *));
static void usage _((char *));
static void validate_suid _((char *, char*));
linestr = NEWSV(65,80);
sv_upgrade(linestr,SVt_PVIV);
- SvREADONLY_on(&sv_undef);
+ if (!SvREADONLY(&sv_undef)) {
+ SvREADONLY_on(&sv_undef);
- sv_setpv(&sv_no,No);
- SvNV(&sv_no);
- SvREADONLY_on(&sv_no);
+ sv_setpv(&sv_no,No);
+ SvNV(&sv_no);
+ SvREADONLY_on(&sv_no);
- sv_setpv(&sv_yes,Yes);
- SvNV(&sv_yes);
- SvREADONLY_on(&sv_yes);
+ sv_setpv(&sv_yes,Yes);
+ SvNV(&sv_yes);
+ SvREADONLY_on(&sv_yes);
+ }
nrs = newSVpv("\n", 1);
rs = SvREFCNT_inc(nrs);
#endif
#if defined(LOCAL_PATCH_COUNT)
- Ilocalpatches = local_patches; /* For possible -v */
+ localpatches = local_patches; /* For possible -v */
#endif
fdpid = newAV(); /* for remembering popen pids by fd */
LEAVE;
FREETMPS;
- if (sv_objcount) {
- /* We must account for everything. First the syntax tree. */
- if (main_root) {
- curpad = AvARRAY(comppad);
- op_free(main_root);
- main_root = 0;
- }
+ /* We must account for everything. First the syntax tree. */
+ if (main_root) {
+ curpad = AvARRAY(comppad);
+ op_free(main_root);
+ main_root = 0;
}
if (sv_objcount) {
/*
/* Now absolutely destruct everything, somehow or other, loops or no. */
last_sv_count = 0;
+ SvFLAGS(strtab) |= SVTYPEMASK; /* don't clean out strtab now */
while (sv_count != 0 && sv_count != last_sv_count) {
last_sv_count = sv_count;
sv_clean_all();
}
+ SvFLAGS(strtab) &= ~SVTYPEMASK;
+ SvFLAGS(strtab) |= SVt_PVHV;
+
+ /* Destruct the global string table. */
+ {
+ /* Yell and reset the HeVAL() slots that are still holding refcounts,
+ * so that sv_free() won't fail on them.
+ */
+ I32 riter;
+ I32 max;
+ HE *hent;
+ HE **array;
+
+ riter = 0;
+ max = HvMAX(strtab);
+ array = HvARRAY(strtab);
+ hent = array[0];
+ for (;;) {
+ if (hent) {
+ warn("Unbalanced string table refcount: (%d) for \"%s\"",
+ HeVAL(hent) - Nullsv, HeKEY(hent));
+ HeVAL(hent) = Nullsv;
+ hent = HeNEXT(hent);
+ }
+ if (!hent) {
+ if (++riter > max)
+ break;
+ hent = array[riter];
+ }
+ }
+ }
+ SvREFCNT_dec(strtab);
+
if (sv_count != 0)
warn("Scalars leaked: %d\n", sv_count);
+
sv_free_arenas();
+ linestr = NULL; /* No SVs have survived, need to clean out */
+ if (origfilename)
+ Safefree(origfilename);
+ nuke_stacks();
+ hints = 0; /* Reset hints. Should hints be per-interpreter ? */
+
DEBUG_P(debprofdump());
}
if (!(curinterp = sv_interp))
return 255;
+#if defined(NeXT) && defined(__DYNAMIC__)
+ _dyld_lookup_and_bind
+ ("__environ", (unsigned long *) &environ_pointer, NULL);
+#endif /* environ */
+
origargv = argv;
origargc = argc;
#ifndef VMS /* VMS doesn't have environ array */
preambleav = newAV();
av_push(preambleav, newSVpv("use Config qw(myconfig config_vars)",0));
if (*++s != ':') {
- Sv = newSVpv("print myconfig(),'@INC: '.\"@INC\\n\"",0);
+ Sv = newSVpv("print myconfig();",0);
+#ifdef VMS
+ sv_catpv(Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\",");
+#else
+ sv_catpv(Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\",");
+#endif
+#if defined(DEBUGGING) || defined(NOEMBED) || defined(MULTIPLICITY)
+ strcpy(buf,"\" Compile-time options:");
+# ifdef DEBUGGING
+ strcat(buf," DEBUGGING");
+# endif
+# ifdef NOEMBED
+ strcat(buf," NOEMBED");
+# endif
+# ifdef MULTIPLICITY
+ strcat(buf," MULTIPLICITY");
+# endif
+ strcat(buf,"\\n\",");
+ sv_catpv(Sv,buf);
+#endif
+#if defined(LOCAL_PATCH_COUNT)
+ if (LOCAL_PATCH_COUNT > 0)
+ { int i;
+ sv_catpv(Sv,"print \" Locally applied patches:\\n\",");
+ for (i = 1; i <= LOCAL_PATCH_COUNT; i++) {
+ if (localpatches[i]) {
+ sprintf(buf,"\" \\t%s\\n\",",localpatches[i]);
+ sv_catpv(Sv,buf);
+ }
+ }
+ }
+#endif
+ sprintf(buf,"\" Built under %s\\n\",",OSNAME);
+ sv_catpv(Sv,buf);
+#ifdef __DATE__
+# ifdef __TIME__
+ sprintf(buf,"\" Compiled at %s %s\\n\"",__DATE__,__TIME__);
+# else
+ sprintf(buf,"\" Compiled on %s\\n\"",__DATE__);
+# endif
+ sv_catpv(Sv,buf);
+#endif
+ sv_catpv(Sv,"; $\"=\"\\n \"; print \" \\@INC:\\n @INC\\n\"");
}
else {
Sv = newSVpv("config_vars(qw(",0);
compcv = (CV*)NEWSV(1104,0);
sv_upgrade((SV *)compcv, SVt_PVCV);
- pad = newAV();
- comppad = pad;
+ comppad = newAV();
av_push(comppad, Nullsv);
curpad = AvARRAY(comppad);
- padname = newAV();
- comppad_name = padname;
+ comppad_name = newAV();
comppad_name_fill = 0;
min_intro_pending = 0;
padix = 0;
av_store(comppadlist, 1, (SV*)comppad);
CvPADLIST(compcv) = comppadlist;
+ boot_core_UNIVERSAL();
if (xsinit)
(*xsinit)(); /* in case linked C routines want magical variables */
#ifdef VMS
FREETMPS;
return 1;
}
- if (stack != mainstack) {
+ if (curstack != mainstack) {
dSP;
- SWITCHSTACK(stack, mainstack);
+ SWITCHSTACK(curstack, mainstack);
}
break;
}
+ DEBUG_r(fprintf(stderr, "%s $` $& $' support.\n",
+ sawampersand ? "Enabling" : "Omitting"));
+
if (!restartop) {
DEBUG_x(dump_all());
- DEBUG(fprintf(stderr,"\nEXECUTING...\n\n"));
+ DEBUG(fprintf(Perl_debug_log,"\nEXECUTING...\n\n"));
if (minus_c) {
fprintf(stderr,"%s syntax OK\n", origfilename);
I32 retval;
Sigjmp_buf oldtop;
I32 oldscope;
+ static CV *DBcv;
if (flags & G_DISCARD) {
ENTER;
if (flags & G_ARRAY)
myop.op_flags |= OPf_LIST;
+ if (perldb && curstash != debstash
+ && (DBcv || (DBcv = GvCV(DBsub)))) /* to handle first BEGIN of -d */
+ op->op_private |= OPpENTERSUB_DB;
+
if (flags & G_EVAL) {
Copy(top_env, oldtop, 1, Sigjmp_buf);
return retval;
}
-/* Eval a string. */
+/* Eval a string. The G_EVAL flag is always assumed. */
I32
perl_eval_sv(sv, flags)
if (!(flags & G_NOARGS))
myop.op_flags = OPf_STACKED;
myop.op_next = Nullop;
+ myop.op_type = OP_ENTEREVAL;
myop.op_flags |= OPf_KNOW;
+ if (flags & G_KEEPERR)
+ myop.op_flags |= OPf_SPECIAL;
if (flags & G_ARRAY)
- myop.op_flags |= OPf_LIST;
+ myop.op_flags |= OPf_LIST;
Copy(top_env, oldtop, 1, Sigjmp_buf);
if (op)
runops();
retval = stack_sp - (stack_base + oldmark);
- if ((flags & G_EVAL) && !(flags & G_KEEPERR))
+ if (!(flags & G_KEEPERR))
sv_setpv(GvSV(errgv),"");
cleanup:
printf("\n -n assume 'while (<>) { ... }' loop arround your script");
printf("\n -p assume loop like -n but print line also like sed");
printf("\n -P run script through C preprocessor before compilation");
-#ifdef OS2
- printf("\n -R enable REXX variable pool");
-#endif
printf("\n -s enable some switch parsing for switches after script name");
printf("\n -S look for the script using PATH environment variable");
printf("\n -T turn on tainting checks");
}
else {
if (RsPARA(nrs)) {
- ors = savepvn("\n\n", 2);
+ ors = "\n\n";
orslen = 2;
}
else
ors = SvPV(nrs, orslen);
+ ors = savepvn(ors, orslen);
}
return s;
case 'M':
printf("\nThis is perl, version %s",patchlevel);
#endif
-#if defined(DEBUGGING) || defined(EMBED) || defined(MULTIPLICITY)
- fputs(" with", stdout);
-#ifdef DEBUGGING
- fputs(" DEBUGGING", stdout);
-#endif
-#ifdef EMBED
- fputs(" EMBED", stdout);
-#endif
-#ifdef MULTIPLICITY
- fputs(" MULTIPLICITY", stdout);
-#endif
-#endif
-
-#if defined(LOCAL_PATCH_COUNT)
- if (LOCAL_PATCH_COUNT > 0)
- { int i;
- fputs("\n\tLocally applied patches:\n", stdout);
- for (i = 1; i <= LOCAL_PATCH_COUNT; i++) {
- if (Ilocalpatches[i])
- fprintf(stdout, "\t %s\n", Ilocalpatches[i]);
- }
- }
-#endif
- printf("\n\tbuilt under %s",OSNAME);
-#ifdef __DATE__
-# ifdef __TIME__
- printf(" at %s %s",__DATE__,__TIME__);
-# else
- printf(" on %s",__DATE__);
-# endif
-#endif
- fputs("\n\t+ suidperl security patch", stdout);
fputs("\n\nCopyright 1987-1996, Larry Wall\n",stdout);
+ fputs("\n\t+ suidperl security patch", stdout);
#ifdef MSDOS
fputs("MS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n",
stdout);
#endif
#ifdef OS2
fputs("OS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n"
- "Version 5 port Copyright (c) 1994-1995, Andreas Kaiser\n", stdout);
+ "Version 5 port Copyright (c) 1994-1996, Andreas Kaiser, Ilya Zakharevich\n", stdout);
#endif
#ifdef atarist
fputs("atariST series port, ++jrb bammi@cadence.com\n", stdout);
init_main_stash()
{
GV *gv;
+
+ /* Note that strtab is a rather special HV. Assumptions are made
+ about not iterating on it, and not adding tie magic to it.
+ It is properly deallocated in perl_destruct() */
+ strtab = newHV();
+ HvSHAREKEYS_off(strtab); /* mandatory */
+ Newz(506,((XPVHV*)SvANY(strtab))->xhv_array,
+ sizeof(HE*) * (((XPVHV*)SvANY(strtab))->xhv_max + 1), char);
+
curstash = defstash = newHV();
curstname = newSVpv("main",4);
gv = gv_fetchpv("main::",TRUE, SVt_PVHV);
#endif
#ifdef VMS
- if (dosearch && !strpbrk(scriptname,":[</") && (my_getenv("DCL$PATH"))) {
- int idx = 0;
-
- while (my_trnlnm("DCL$PATH",tokenbuf,idx++)) {
+ if (dosearch) {
+ int hasdir, idx = 0, deftypes = 1;
+
+ hasdir = (strpbrk(scriptname,":[</") != Nullch) ;
+ /* The first time through, just add SEARCH_EXTS to whatever we
+ * already have, so we can check for default file types. */
+ while (deftypes || (!hasdir && my_trnlnm("DCL$PATH",tokenbuf,idx++)) ) {
+ if (deftypes) { deftypes = 0; *tokenbuf = '\0'; }
strcat(tokenbuf,scriptname);
#else /* !VMS */
if (dosearch && !strchr(scriptname, '/') && (s = getenv("PATH"))) {
extidx = 0;
do {
#endif
- DEBUG_p(fprintf(stderr,"Looking for %s\n",tokenbuf));
+ DEBUG_p(fprintf(Perl_debug_log,"Looking for %s\n",tokenbuf));
retval = Stat(tokenbuf,&statbuf);
#ifdef SEARCH_EXTS
} while ( retval < 0 /* not there */
*/
#ifdef DOSUID
- char *s;
+ char *s, *s2;
if (Fstat(fileno(rsfp),&statbuf) < 0) /* normal stat is insecure */
croak("Can't stat script \"%s\"",origfilename);
s = tokenbuf+2;
if (*s == ' ') s++;
while (!isSPACE(*s)) s++;
- if (strnNE(s-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */
+ for (s2 = s; (s2 > tokenbuf+2 &&
+ (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ;
+ if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */
croak("Not a perl script");
while (*s == ' ' || *s == '\t') s++;
/*
/* exec the real perl, substituting fd script for scriptname. */
/* (We pass script name as "subdir" of fd, which perl will grok.) */
rewind(rsfp);
+ lseek(fileno(rsfp),(Off_t)0,0); /* just in case rewind didn't */
for (which = 1; origargv[which] && origargv[which] != scriptname; which++) ;
if (!origargv[which])
croak("Permission denied");
static void
find_beginning()
{
- register char *s;
+ register char *s, *s2;
/* skip forward in input to the real script? */
while (doextract) {
if ((s = sv_gets(linestr, rsfp, 0)) == Nullch)
croak("No Perl script found in input\n");
- if (*s == '#' && s[1] == '!' && instr(s,"perl")) {
+ if (*s == '#' && s[1] == '!' && (s = instr(s,"perl"))) {
ungetc('\n',rsfp); /* to keep line count right */
doextract = FALSE;
- if (s = instr(s,"perl -")) {
- s += 6;
- /*SUPPRESS 530*/
- while (s = moreswitches(s)) ;
+ while (*s && !(isSPACE (*s) || *s == '#')) s++;
+ s2 = s;
+ while (*s == ' ' || *s == '\t') s++;
+ if (*s++ == '-') {
+ while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--;
+ if (strnEQ(s2-4,"perl",4))
+ /*SUPPRESS 530*/
+ while (s = moreswitches(s)) ;
}
if (cddir && chdir(cddir) < 0)
croak("Can't chdir to %s",cddir);
static void
init_stacks()
{
- stack = newAV();
- mainstack = stack; /* remember in case we switch stacks */
- AvREAL_off(stack); /* not a real array */
- av_extend(stack,127);
+ curstack = newAV();
+ mainstack = curstack; /* remember in case we switch stacks */
+ AvREAL_off(curstack); /* not a real array */
+ av_extend(curstack,127);
- stack_base = AvARRAY(stack);
+ stack_base = AvARRAY(curstack);
stack_sp = stack_base;
stack_max = stack_base + 127;
- New(54,markstack,64,I32);
- markstack_ptr = markstack;
- markstack_max = markstack + 64;
+ /* Shouldn't these stacks be per-interpreter? */
+ if (markstack) {
+ markstack_ptr = markstack;
+ } else {
+ New(54,markstack,64,I32);
+ markstack_ptr = markstack;
+ markstack_max = markstack + 64;
+ }
- New(54,scopestack,32,I32);
- scopestack_ix = 0;
- scopestack_max = 32;
+ if (scopestack) {
+ scopestack_ix = 0;
+ } else {
+ New(54,scopestack,32,I32);
+ scopestack_ix = 0;
+ scopestack_max = 32;
+ }
- New(54,savestack,128,ANY);
- savestack_ix = 0;
- savestack_max = 128;
+ if (savestack) {
+ savestack_ix = 0;
+ } else {
+ New(54,savestack,128,ANY);
+ savestack_ix = 0;
+ savestack_max = 128;
+ }
- New(54,retstack,16,OP*);
- retstack_ix = 0;
- retstack_max = 16;
+ if (retstack) {
+ retstack_ix = 0;
+ } else {
+ New(54,retstack,16,OP*);
+ retstack_ix = 0;
+ retstack_max = 16;
+ }
cxstack_max = 8192 / sizeof(CONTEXT) - 2; /* Use most of 8K. */
New(50,cxstack,cxstack_max + 1,CONTEXT);
} )
}
+static void
+nuke_stacks()
+{
+ Safefree(cxstack);
+ Safefree(tmps_stack);
+}
+
static FILE *tmpfp; /* moved outside init_lexer() because of UNICOS bug */
static void
init_lexer()
statname = NEWSV(66,0); /* last filename we did stat on */
- osname = savepv(OSNAME);
+ if (!osname)
+ osname = savepv(OSNAME);
}
static void
projects / p5sagit/p5-mst-13.2.git / commitdiff