/* perl.c
*
- * Copyright (c) 1987-1997 Larry Wall
+ * Copyright (c) 1987-1998 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.
char *getenv _((char *)); /* Usually in <stdlib.h> */
#endif
+#ifdef I_FCNTL
+#include <fcntl.h>
+#endif
+#ifdef I_SYS_FILE
+#include <sys/file.h>
+#endif
+
dEXTCONST char rcsid[] = "perl.c\nPatch level: ###\n";
#ifdef IAMSUID
static void init_debugger _((void));
static void init_lexer _((void));
static void init_main_stash _((void));
+#ifdef USE_THREADS
+static struct perl_thread * init_main_thread _((void));
+#endif /* USE_THREADS */
static void init_perllib _((void));
static void init_postdump_symbols _((int, char **, char **));
static void init_predump_symbols _((void));
static void open_script _((char *, bool, SV *));
static void usage _((char *));
static void validate_suid _((char *, char*));
+static I32 read_e_script _((int idx, SV *buf_sv, int maxlen));
static int fdscript = -1;
-#if defined(DEBUGGING) && defined(USE_THREADS) && defined(__linux__)
-#include <asm/sigcontext.h>
-static void
-catch_sigsegv(int signo, struct sigcontext_struct sc)
-{
- signal(SIGSEGV, SIG_DFL);
- fprintf(stderr, "Segmentation fault dereferencing 0x%lx\n"
- "return_address = 0x%lx, eip = 0x%lx\n",
- sc.cr2, __builtin_return_address(0), sc.eip);
- fprintf(stderr, "thread = 0x%lx\n", (unsigned long)THR);
-}
-#endif
-
PerlInterpreter *
perl_alloc(void)
{
#ifdef USE_THREADS
int i;
#ifndef FAKE_THREADS
- struct thread *thr;
+ struct perl_thread *thr;
#endif /* FAKE_THREADS */
#endif /* USE_THREADS */
#ifdef USE_THREADS
INIT_THREADS;
+#ifdef ALLOC_THREAD_KEY
+ ALLOC_THREAD_KEY;
+#else
if (pthread_key_create(&thr_key, 0))
croak("panic: pthread_key_create");
- MUTEX_INIT(&malloc_mutex);
+#endif
MUTEX_INIT(&sv_mutex);
/*
* Safe to use basic SV functions from now on (though
COND_INIT(&eval_cond);
MUTEX_INIT(&threads_mutex);
COND_INIT(&nthreads_cond);
- MUTEX_INIT(&keys_mutex);
+#ifdef EMULATE_ATOMIC_REFCOUNTS
+ MUTEX_INIT(&svref_mutex);
+#endif /* EMULATE_ATOMIC_REFCOUNTS */
- thr = new_struct_thread(0);
+ thr = init_main_thread();
#endif /* USE_THREADS */
linestr = NEWSV(65,80);
#endif
}
+ init_stacks(ARGS);
#ifdef MULTIPLICITY
I_REINIT;
perl_destruct_level = 1;
localpatches = local_patches; /* For possible -v */
#endif
- PerlIO_init(); /* Hook to IO system */
+ PerlIO_init(); /* Hook to IO system */
- fdpid = newAV(); /* for remembering popen pids by fd */
+ fdpid = newAV(); /* for remembering popen pids by fd */
+ modglobal = newHV(); /* pointers to per-interpreter module globals */
- for (i = 0; i < N_PER_THREAD_MAGICALS; i++)
- magical_keys[i] = NOT_IN_PAD;
- keys = newSVpv("", 0);
- init_stacks(ARGS);
DEBUG( {
New(51,debname,128,char);
New(52,debdelim,128,char);
#ifdef DEBUGGING
{
char *s;
- if (s = getenv("PERL_DESTRUCT_LEVEL")) {
+ if (s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL")) {
int i = atoi(s);
if (destruct_level < i)
destruct_level = i;
op_free(main_root);
main_root = Nullop;
}
+ curcop = &compiling;
main_start = Nullop;
SvREFCNT_dec(main_cv);
main_cv = Nullcv;
SvREFCNT_dec(parsehook);
parsehook = Nullsv;
+ /* call exit list functions */
+ while (exitlistlen-- > 0)
+ exitlist[exitlistlen].fn(exitlist[exitlistlen].ptr);
+
+ Safefree(exitlist);
+
if (destruct_level == 0){
DEBUG_P(debprofdump());
Safefree(inplace);
inplace = Nullch;
- Safefree(e_tmpname);
- e_tmpname = Nullch;
-
- if (e_fp) {
- PerlIO_close(e_fp);
- e_fp = Nullfp;
+ if (e_script) {
+ SvREFCNT_dec(e_script);
+ e_script = Nullsv;
}
/* magical thingies */
/* defgv, aka *_ should be taken care of elsewhere */
-#if 0 /* just about all regexp stuff, seems to be ok */
-
- /* shortcuts to regexp stuff */
- leftgv = Nullgv;
- ampergv = Nullgv;
-
- SAVEFREEOP(curpm);
- SAVEFREEOP(oldlastpm); /* for saving regexp context during debugger */
-
- regprecomp = NULL; /* uncompiled string. */
- regparse = NULL; /* Input-scan pointer. */
- regxend = NULL; /* End of input for compile */
- regnpar = 0; /* () count. */
- regcode = NULL; /* Code-emit pointer; ®dummy = don't. */
- regsize = 0; /* Code size. */
- regnaughty = 0; /* How bad is this pattern? */
- regsawback = 0; /* Did we see \1, ...? */
-
- reginput = NULL; /* String-input pointer. */
- regbol = NULL; /* Beginning of input, for ^ check. */
- regeol = NULL; /* End of input, for $ check. */
- regstartp = (char **)NULL; /* Pointer to startp array. */
- regendp = (char **)NULL; /* Ditto for endp. */
- reglastparen = 0; /* Similarly for lastparen. */
- regtill = NULL; /* How far we are required to go. */
- regflags = 0; /* are we folding, multilining? */
- regprev = (char)NULL; /* char before regbol, \n if none */
-
-#endif /* if 0 */
-
/* clean up after study() */
SvREFCNT_dec(lastscream);
lastscream = Nullsv;
endav = Nullav;
initav = Nullav;
- /* temp stack during pp_sort() */
- SvREFCNT_dec(sortstack);
- sortstack = Nullav;
-
/* shortcuts just get cleared */
envgv = Nullgv;
siggv = Nullgv;
incgv = Nullgv;
- errhv = Nullhv;
- errsv = Nullsv;
+ errgv = Nullgv;
argvgv = Nullgv;
argvoutgv = Nullgv;
stdingv = Nullgv;
DEBUG_P(debprofdump());
#ifdef USE_THREADS
MUTEX_DESTROY(&sv_mutex);
- MUTEX_DESTROY(&malloc_mutex);
MUTEX_DESTROY(&eval_mutex);
COND_DESTROY(&eval_cond);
Safefree(sv_interp);
}
+void
+perl_atexit(void (*fn) (void *), void *ptr)
+{
+ Renew(exitlist, exitlistlen+1, PerlExitListEntry);
+ exitlist[exitlistlen].fn = fn;
+ exitlist[exitlistlen].ptr = ptr;
+ ++exitlistlen;
+}
+
int
perl_parse(PerlInterpreter *sv_interp, void (*xsinit) (void), int argc, char **argv, char **env)
{
#ifndef VMS /* VMS doesn't have environ array */
origenviron = environ;
#endif
- e_tmpname = Nullch;
if (do_undump) {
s = argv[0]+1;
reswitch:
switch (*s) {
+ case ' ':
case '0':
case 'F':
case 'a':
case 'e':
if (euid != uid || egid != gid)
croak("No -e allowed in setuid scripts");
- if (!e_fp) {
- e_tmpname = savepv(TMPPATH);
- (void)mktemp(e_tmpname);
- if (!*e_tmpname)
- croak("Can't mktemp()");
- e_fp = PerlIO_open(e_tmpname,"w");
- if (!e_fp)
- croak("Cannot open temporary file");
+ if (!e_script) {
+ e_script = newSVpv("",0);
+ filter_add(read_e_script, NULL);
}
if (*++s)
- PerlIO_puts(e_fp,s);
+ sv_catpv(e_script, s);
else if (argv[1]) {
- PerlIO_puts(e_fp,argv[1]);
+ sv_catpv(e_script, argv[1]);
argc--,argv++;
}
else
croak("No code specified for -e");
- (void)PerlIO_putc(e_fp,'\n');
+ sv_catpv(e_script, "\n");
break;
+
case 'I': /* -I handled both here and in moreswitches() */
forbid_setid("-I");
if (!*++s && (s=argv[1]) != Nullch) {
}
switch_end:
- if (!tainting && (s = getenv("PERL5OPT"))) {
+ if (!tainting && (s = PerlEnv_getenv("PERL5OPT"))) {
while (s && *s) {
while (isSPACE(*s))
s++;
if (!scriptname)
scriptname = argv[0];
- if (e_fp) {
- if (PerlIO_flush(e_fp) || PerlIO_error(e_fp) || PerlIO_close(e_fp)) {
-#ifndef MULTIPLICITY
- warn("Did you forget to compile with -DMULTIPLICITY?");
-#endif
- croak("Can't write to temp file for -e: %s", Strerror(errno));
- }
- e_fp = Nullfp;
+ if (e_script) {
argc++,argv--;
- scriptname = e_tmpname;
+ scriptname = BIT_BUCKET; /* don't look for script or read stdin */
}
else if (scriptname == Nullch) {
#ifdef MSDOS
- if ( isatty(PerlIO_fileno(PerlIO_stdin())) )
+ if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) )
moreswitches("h");
#endif
scriptname = "-";
boot_core_UNIVERSAL();
if (xsinit)
(*xsinit)(); /* in case linked C routines want magical variables */
-#if defined(VMS) || defined(WIN32)
+#if defined(VMS) || defined(WIN32) || defined(DJGPP)
init_os_extras();
#endif
-#if defined(DEBUGGING) && defined(USE_THREADS) && defined(__linux__)
- DEBUG_L(signal(SIGSEGV, (void(*)(int))catch_sigsegv););
-#endif
-
init_predump_symbols();
+ /* init_postdump_symbols not currently designed to be called */
+ /* more than once (ENV isn't cleared first, for example) */
+ /* But running with -u leaves %ENV & @ARGV undefined! XXX */
if (!do_undump)
init_postdump_symbols(argc,argv,env);
/* now parse the script */
+ SETERRNO(0,SS$_NORMAL);
error_count = 0;
if (yyparse() || error_count) {
if (minus_c)
curcop->cop_line = 0;
curstash = defstash;
preprocess = FALSE;
- if (e_tmpname) {
- (void)UNLINK(e_tmpname);
- Safefree(e_tmpname);
- e_tmpname = Nullch;
+ if (e_script) {
+ SvREFCNT_dec(e_script);
+ e_script = Nullsv;
}
/* now that script is parsed, we can modify record separator */
SvREFCNT_dec(rs);
rs = SvREFCNT_inc(nrs);
-#ifdef USE_THREADS
- sv_setsv(*av_fetch(thr->specific, find_thread_magical("/"), TRUE), rs);
-#else
- sv_setsv(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), rs);
-#endif /* USE_THREADS */
+ sv_setsv(perl_get_sv("/", TRUE), rs);
if (do_undump)
my_unexec();
FREETMPS;
#ifdef MYMALLOC
- if ((s=getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2)
+ if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2)
dump_mstats("after compilation:");
#endif
int
perl_run(PerlInterpreter *sv_interp)
{
- dTHR;
+ dSP;
I32 oldscope;
dJMPENV;
int ret;
if (endav)
call_list(oldscope, endav);
#ifdef MYMALLOC
- if (getenv("PERL_DEBUG_MSTATS"))
+ if (PerlEnv_getenv("PERL_DEBUG_MSTATS"))
dump_mstats("after execution: ");
#endif
JMPENV_POP;
JMPENV_POP;
return 1;
}
- if (curstack != mainstack) {
- dSP;
- SWITCHSTACK(curstack, mainstack);
- }
+ POPSTACK_TO(mainstack);
break;
}
SV*
perl_get_sv(char *name, I32 create)
{
- GV* gv = gv_fetchpv(name, create, SVt_PV);
+ GV *gv;
+#ifdef USE_THREADS
+ if (name[1] == '\0' && !isALPHA(name[0])) {
+ PADOFFSET tmp = find_threadsv(name);
+ if (tmp != NOT_IN_PAD) {
+ dTHR;
+ return THREADSV(tmp);
+ }
+ }
+#endif /* USE_THREADS */
+ gv = gv_fetchpv(name, create, SVt_PV);
if (gv)
return GvSV(gv);
return Nullsv;
/* Be sure to refetch the stack pointer after calling these routines. */
I32
-perl_call_argv(char *subname, I32 flags, register char **argv)
+perl_call_argv(char *sub_name, I32 flags, register char **argv)
/* See G_* flags in cop.h */
/* null terminated arg list */
{
- dTHR;
dSP;
- PUSHMARK(sp);
+ PUSHMARK(SP);
if (argv) {
while (*argv) {
XPUSHs(sv_2mortal(newSVpv(*argv,0)));
}
PUTBACK;
}
- return perl_call_pv(subname, flags);
+ return perl_call_pv(sub_name, flags);
}
I32
-perl_call_pv(char *subname, I32 flags)
+perl_call_pv(char *sub_name, I32 flags)
/* name of the subroutine */
/* See G_* flags in cop.h */
{
- return perl_call_sv((SV*)perl_get_cv(subname, TRUE), flags);
+ return perl_call_sv((SV*)perl_get_cv(sub_name, TRUE), flags);
}
I32
/* name of the subroutine */
/* See G_* flags in cop.h */
{
- dTHR;
dSP;
OP myop;
if (!op)
XPUSHs(sv_2mortal(newSVpv(methname,0)));
PUTBACK;
pp_method(ARGS);
+ if(op == &myop)
+ op = Nullop;
return perl_call_sv(*stack_sp--, flags);
}
/* See G_* flags in cop.h */
{
- dTHR;
+ dSP;
LOGOP myop; /* fake syntax tree node */
- SV** sp = stack_sp;
I32 oldmark;
I32 retval;
I32 oldscope;
&& (DBcv || (DBcv = GvCV(DBsub)))
/* Try harder, since this may have been a sighandler, thus
* curstash may be meaningless. */
- && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != debstash))
+ && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != debstash)
+ && !(flags & G_NODEBUG))
op->op_private |= OPpENTERSUB_DB;
if (flags & G_EVAL) {
markstack_ptr--;
/* we're trying to emulate pp_entertry() here */
{
- register CONTEXT *cx;
+ register PERL_CONTEXT *cx;
I32 gimme = GIMME_V;
ENTER;
if (flags & G_KEEPERR)
in_eval |= 4;
else
- sv_setpv(errsv,"");
+ sv_setpv(ERRSV,"");
}
markstack_ptr++;
runops();
retval = stack_sp - (stack_base + oldmark);
if ((flags & G_EVAL) && !(flags & G_KEEPERR))
- sv_setpv(errsv,"");
+ sv_setpv(ERRSV,"");
cleanup:
if (flags & G_EVAL) {
SV **newsp;
PMOP *newpm;
I32 gimme;
- register CONTEXT *cx;
+ register PERL_CONTEXT *cx;
I32 optype;
POPBLOCK(cx,newpm);
/* See G_* flags in cop.h */
{
- dTHR;
+ dSP;
UNOP myop; /* fake syntax tree node */
- SV** sp = stack_sp;
- I32 oldmark = sp - stack_base;
+ I32 oldmark = SP - stack_base;
I32 retval;
I32 oldscope;
dJMPENV;
runops();
retval = stack_sp - (stack_base + oldmark);
if (!(flags & G_KEEPERR))
- sv_setpv(errsv,"");
+ sv_setpv(ERRSV,"");
cleanup:
JMPENV_POP;
SV*
perl_eval_pv(char *p, I32 croak_on_error)
{
- dTHR;
dSP;
SV* sv = newSVpv(p, 0);
- PUSHMARK(sp);
+ PUSHMARK(SP);
perl_eval_sv(sv, G_SCALAR);
SvREFCNT_dec(sv);
sv = POPs;
PUTBACK;
- if (croak_on_error && SvTRUE(errsv))
- croak(SvPV(errsv, na));
+ if (croak_on_error && SvTRUE(ERRSV))
+ croak(SvPVx(ERRSV, na));
return sv;
}
"-T turn on tainting checks",
"-u dump core after parsing script",
"-U allow unsafe operations",
-"-v print version number and patchlevel of perl",
+"-v print version number, patchlevel plus VERY IMPORTANT perl info",
"-V[:variable] print perl configuration information",
"-w TURN WARNINGS ON FOR COMPILATION OF YOUR SCRIPT. Recommended.",
"-x[directory] strip off text before #!perl line and perhaps cd to directory",
return s;
case 'h':
usage(origargv[0]);
- exit(0);
+ PerlProc_exit(0);
case 'i':
if (inplace)
Safefree(inplace);
inplace = savepv(s+1);
/*SUPPRESS 530*/
for (s = inplace; *s && !isSPACE(*s); s++) ;
- if (*s)
+ if (*s) {
*s++ = '\0';
+ if (*s == '-') /* Additional switches on #! line. */
+ s++;
+ }
return s;
case 'I': /* -I handled both here and in parse_perl() */
forbid_setid("-I");
LOCAL_PATCH_COUNT, (LOCAL_PATCH_COUNT!=1) ? "es" : "");
#endif
- printf("\n\nCopyright 1987-1997, Larry Wall\n");
+ printf("\n\nCopyright 1987-1998, Larry Wall\n");
#ifdef MSDOS
printf("\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n");
#endif
#ifdef DJGPP
printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n");
+ printf("djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1998\n");
#endif
#ifdef OS2
printf("\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n"
- "Version 5 port Copyright (c) 1994-1997, Andreas Kaiser, Ilya Zakharevich\n");
+ "Version 5 port Copyright (c) 1994-1998, Andreas Kaiser, Ilya Zakharevich\n");
#endif
#ifdef atarist
printf("atariST series port, ++jrb bammi@cadence.com\n");
#endif
printf("\n\
Perl may be copied only under the terms of either the Artistic License or the\n\
-GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n");
- exit(0);
+GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n\
+Complete documentation for Perl, including FAQ lists, should be found on\n\
+this system using `man perl' or `perldoc perl'. If you have access to the\n\
+Internet, point your browser at http://www.perl.com/, the Perl Home Page.\n\n");
+ PerlProc_exit(0);
case 'w':
dowarn = TRUE;
s++;
break;
case '-':
case 0:
+#ifdef WIN32
+ case '\r':
+#endif
case '\n':
case '\t':
break;
/* compliments of Tom Christiansen */
/* unexec() can be found in the Gnu emacs distribution */
+/* Known to work with -DUNEXEC and using unexelf.c from GNU emacs-20.2 */
void
my_unexec(void)
#ifdef UNEXEC
SV* prog;
SV* file;
- int status;
+ int status = 1;
extern int etext;
- prog = newSVpv(BIN_EXP);
+ prog = newSVpv(BIN_EXP, 0);
sv_catpv(prog, "/perl");
- file = newSVpv(origfilename);
+ file = newSVpv(origfilename, 0);
sv_catpv(file, ".perldump");
- status = unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0);
- if (status)
- PerlIO_printf(PerlIO_stderr(), "unexec of %s into %s failed!\n",
- SvPVX(prog), SvPVX(file));
- exit(status);
+ unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0);
+ /* unexec prints msg to stderr in case of failure */
+ PerlProc_exit(status);
#else
# ifdef VMS
# include <lib$routines.h>
incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV)));
GvMULTI_on(incgv);
defgv = gv_fetchpv("_",TRUE, SVt_PVAV);
- errsv = newSVpv("", 0);
- errhv = newHV();
+ errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV));
+ GvMULTI_on(errgv);
(void)form("%240s",""); /* Preallocate temp - for immediate signals. */
- sv_grow(errsv, 240); /* Preallocate - for immediate signals. */
- sv_setpvn(errsv, "", 0);
+ sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */
+ sv_setpvn(ERRSV, "", 0);
curstash = defstash;
compiling.cop_stash = defstash;
debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV));
+ globalstash = GvHV(gv_fetchpv("CORE::GLOBAL::", GV_ADDMULTI, SVt_PVHV));
/* We must init $/ before switches are processed. */
sv_setpvn(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), "\n", 1);
}
-#ifdef CAN_PROTOTYPE
static void
open_script(char *scriptname, bool dosearch, SV *sv)
-#else
-static void
-open_script(scriptname,dosearch,sv)
-char *scriptname;
-bool dosearch;
-SV *sv;
-#endif
{
dTHR;
- char *xfound = Nullch;
- char *xfailed = Nullch;
register char *s;
- I32 len;
- int retval;
-#if defined(DOSISH) && !defined(OS2) && !defined(atarist)
-# define SEARCH_EXTS ".bat", ".cmd", NULL
-# define MAX_EXT_LEN 4
-#endif
-#ifdef OS2
-# define SEARCH_EXTS ".cmd", ".btm", ".bat", ".pl", NULL
-# define MAX_EXT_LEN 4
-#endif
-#ifdef VMS
-# define SEARCH_EXTS ".pl", ".com", NULL
-# define MAX_EXT_LEN 4
-#endif
- /* additional extensions to try in each dir if scriptname not found */
-#ifdef SEARCH_EXTS
- char *ext[] = { SEARCH_EXTS };
- int extidx = 0, i = 0;
- char *curext = Nullch;
-#else
-# define MAX_EXT_LEN 0
-#endif
-
- /*
- * If dosearch is true and if scriptname does not contain path
- * delimiters, search the PATH for scriptname.
- *
- * If SEARCH_EXTS is also defined, will look for each
- * scriptname{SEARCH_EXTS} whenever scriptname is not found
- * while searching the PATH.
- *
- * Assuming SEARCH_EXTS is C<".foo",".bar",NULL>, PATH search
- * proceeds as follows:
- * If DOSISH:
- * + look for ./scriptname{,.foo,.bar}
- * + search the PATH for scriptname{,.foo,.bar}
- *
- * If !DOSISH:
- * + look *only* in the PATH for scriptname{,.foo,.bar} (note
- * this will not look in '.' if it's not in the PATH)
- */
-
-#ifdef VMS
- if (dosearch) {
- int hasdir, idx = 0, deftypes = 1;
- bool seen_dot = 1;
-
- hasdir = (strpbrk(scriptname,":[</") != Nullch) ;
- /* The first time through, just add SEARCH_EXTS to whatever we
- * already have, so we can check for default file types. */
- while (deftypes ||
- (!hasdir && my_trnlnm("DCL$PATH",tokenbuf,idx++)) )
- {
- if (deftypes) {
- deftypes = 0;
- *tokenbuf = '\0';
- }
- if ((strlen(tokenbuf) + strlen(scriptname)
- + MAX_EXT_LEN) >= sizeof tokenbuf)
- continue; /* don't search dir with too-long name */
- strcat(tokenbuf, scriptname);
-#else /* !VMS */
-
-#ifdef DOSISH
- if (strEQ(scriptname, "-"))
- dosearch = 0;
- if (dosearch) { /* Look in '.' first. */
- char *cur = scriptname;
-#ifdef SEARCH_EXTS
- if ((curext = strrchr(scriptname,'.'))) /* possible current ext */
- while (ext[i])
- if (strEQ(ext[i++],curext)) {
- extidx = -1; /* already has an ext */
- break;
- }
- do {
-#endif
- DEBUG_p(PerlIO_printf(Perl_debug_log,
- "Looking for %s\n",cur));
- if (Stat(cur,&statbuf) >= 0) {
- dosearch = 0;
- scriptname = cur;
-#ifdef SEARCH_EXTS
- break;
-#endif
- }
-#ifdef SEARCH_EXTS
- if (cur == scriptname) {
- len = strlen(scriptname);
- if (len+MAX_EXT_LEN+1 >= sizeof(tokenbuf))
- break;
- cur = strcpy(tokenbuf, scriptname);
- }
- } while (extidx >= 0 && ext[extidx] /* try an extension? */
- && strcpy(tokenbuf+len, ext[extidx++]));
-#endif
- }
-#endif
- if (dosearch && !strchr(scriptname, '/')
-#ifdef DOSISH
- && !strchr(scriptname, '\\')
-#endif
- && (s = getenv("PATH"))) {
- bool seen_dot = 0;
-
- bufend = s + strlen(s);
- while (s < bufend) {
-#if defined(atarist) || defined(DOSISH)
- for (len = 0; *s
-# ifdef atarist
- && *s != ','
-# endif
- && *s != ';'; len++, s++) {
- if (len < sizeof tokenbuf)
- tokenbuf[len] = *s;
- }
- if (len < sizeof tokenbuf)
- tokenbuf[len] = '\0';
-#else /* ! (atarist || DOSISH) */
- s = delimcpy(tokenbuf, tokenbuf + sizeof tokenbuf, s, bufend,
- ':',
- &len);
-#endif /* ! (atarist || DOSISH) */
- if (s < bufend)
- s++;
- if (len + 1 + strlen(scriptname) + MAX_EXT_LEN >= sizeof tokenbuf)
- continue; /* don't search dir with too-long name */
- if (len
-#if defined(atarist) || defined(DOSISH)
- && tokenbuf[len - 1] != '/'
- && tokenbuf[len - 1] != '\\'
-#endif
- )
- tokenbuf[len++] = '/';
- if (len == 2 && tokenbuf[0] == '.')
- seen_dot = 1;
- (void)strcpy(tokenbuf + len, scriptname);
-#endif /* !VMS */
-
-#ifdef SEARCH_EXTS
- len = strlen(tokenbuf);
- if (extidx > 0) /* reset after previous loop */
- extidx = 0;
- do {
-#endif
- DEBUG_p(PerlIO_printf(Perl_debug_log, "Looking for %s\n",tokenbuf));
- retval = Stat(tokenbuf,&statbuf);
-#ifdef SEARCH_EXTS
- } while ( retval < 0 /* not there */
- && extidx>=0 && ext[extidx] /* try an extension? */
- && strcpy(tokenbuf+len, ext[extidx++])
- );
-#endif
- if (retval < 0)
- continue;
- if (S_ISREG(statbuf.st_mode)
- && cando(S_IRUSR,TRUE,&statbuf)
-#ifndef DOSISH
- && cando(S_IXUSR,TRUE,&statbuf)
-#endif
- )
- {
- xfound = tokenbuf; /* bingo! */
- break;
- }
- if (!xfailed)
- xfailed = savepv(tokenbuf);
- }
-#ifndef DOSISH
- if (!xfound && !seen_dot && !xfailed && (Stat(scriptname,&statbuf) < 0))
-#endif
- seen_dot = 1; /* Disable message. */
- if (!xfound)
- croak("Can't %s %s%s%s",
- (xfailed ? "execute" : "find"),
- (xfailed ? xfailed : scriptname),
- (xfailed ? "" : " on PATH"),
- (xfailed || seen_dot) ? "" : ", '.' not in PATH");
- if (xfailed)
- Safefree(xfailed);
- scriptname = xfound;
- }
+ scriptname = find_script(scriptname, dosearch, NULL, 0);
if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) {
char *s = scriptname + 8;
}
else
fdscript = -1;
- origfilename = savepv(e_tmpname ? "-e" : scriptname);
+ origfilename = savepv(e_script ? "-e" : scriptname);
curcop->cop_filegv = gv_fetchfile(origfilename);
if (strEQ(origfilename,"-"))
scriptname = "";
if (fdscript >= 0) {
- rsfp = PerlIO_fdopen(fdscript,"r");
+ rsfp = PerlIO_fdopen(fdscript,PERL_SCRIPT_MODE);
#if defined(HAS_FCNTL) && defined(F_SETFD)
if (rsfp)
fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */
croak("Can't do seteuid!\n");
}
#endif /* IAMSUID */
- rsfp = my_popen(SvPVX(cmd), "r");
+ rsfp = PerlProc_popen(SvPVX(cmd), "r");
SvREFCNT_dec(cmd);
SvREFCNT_dec(cpp);
}
rsfp = PerlIO_stdin();
}
else {
- rsfp = PerlIO_open(scriptname,"r");
+ rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE);
#if defined(HAS_FCNTL) && defined(F_SETFD)
if (rsfp)
fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */
#endif
}
- if (e_tmpname) {
- e_fp = rsfp;
- }
if (!rsfp) {
#ifdef DOSUID
#ifndef IAMSUID /* in case script is not readable before setuid */
- if (euid && Stat(SvPVX(GvSV(curcop->cop_filegv)),&statbuf) >= 0 &&
+ if (euid && PerlLIO_stat(SvPVX(GvSV(curcop->cop_filegv)),&statbuf) >= 0 &&
statbuf.st_mode & (S_ISUID|S_ISGID)) {
/* try again */
- execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv);
+ PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv);
croak("Can't do setuid\n");
}
#endif
dTHR;
char *s, *s2;
- if (Fstat(PerlIO_fileno(rsfp),&statbuf) < 0) /* normal stat is insecure */
+ if (PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf) < 0) /* normal stat is insecure */
croak("Can't stat script \"%s\"",origfilename);
if (fdscript < 0 && statbuf.st_mode & (S_ISUID|S_ISGID)) {
I32 len;
* But I don't think it's too important. The manual lies when
* it says access() is useful in setuid programs.
*/
- if (access(SvPVX(GvSV(curcop->cop_filegv)),1)) /*double check*/
+ if (PerlLIO_access(SvPVX(GvSV(curcop->cop_filegv)),1)) /*double check*/
croak("Permission denied");
#else
/* If we can swap euid and uid, then we can determine access rights
#endif
|| getuid() != euid || geteuid() != uid)
croak("Can't swap uid and euid"); /* really paranoid */
- if (Stat(SvPVX(GvSV(curcop->cop_filegv)),&tmpstatbuf) < 0)
+ if (PerlLIO_stat(SvPVX(GvSV(curcop->cop_filegv)),&tmpstatbuf) < 0)
croak("Permission denied"); /* testing full pathname here */
if (tmpstatbuf.st_dev != statbuf.st_dev ||
tmpstatbuf.st_ino != statbuf.st_ino) {
(void)PerlIO_close(rsfp);
- if (rsfp = my_popen("/bin/mail root","w")) { /* heh, heh */
+ if (rsfp = PerlProc_popen("/bin/mail root","w")) { /* heh, heh */
PerlIO_printf(rsfp,
"User %ld tried to run dev %ld ino %ld in place of dev %ld ino %ld!\n\
(Filename of set-id script was %s, uid %ld gid %ld.)\n\nSincerely,\nperl\n",
(long)statbuf.st_dev, (long)statbuf.st_ino,
SvPVX(GvSV(curcop->cop_filegv)),
(long)statbuf.st_uid, (long)statbuf.st_gid);
- (void)my_pclose(rsfp);
+ (void)PerlProc_pclose(rsfp);
}
croak("Permission denied\n");
}
(void)PerlIO_close(rsfp);
#ifndef IAMSUID
/* try again */
- execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv);
+ PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv);
#endif
croak("Can't do setuid\n");
}
/* exec the real perl, substituting fd script for scriptname. */
/* (We pass script name as "subdir" of fd, which perl will grok.) */
PerlIO_rewind(rsfp);
- lseek(PerlIO_fileno(rsfp),(Off_t)0,0); /* just in case rewind didn't */
+ PerlLIO_lseek(PerlIO_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");
#if defined(HAS_FCNTL) && defined(F_SETFD)
fcntl(PerlIO_fileno(rsfp),F_SETFD,0); /* ensure no close-on-exec */
#endif
- execv(form("%s/perl%s", BIN_EXP, patchlevel), origargv); /* try again */
+ PerlProc_execv(form("%s/perl%s", BIN_EXP, patchlevel), origargv); /* try again */
croak("Can't do setuid\n");
#endif /* IAMSUID */
#else /* !DOSUID */
if (euid != uid || egid != gid) { /* (suidperl doesn't exist, in fact) */
#ifndef SETUID_SCRIPTS_ARE_SECURE_NOW
dTHR;
- Fstat(PerlIO_fileno(rsfp),&statbuf); /* may be either wrapped or real suid */
+ PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf); /* may be either wrapped or real suid */
if ((euid != uid && euid == statbuf.st_uid && statbuf.st_mode & S_ISUID)
||
(egid != gid && egid == statbuf.st_gid && statbuf.st_mode & S_ISGID)
/*SUPPRESS 530*/
while (s = moreswitches(s)) ;
}
- if (cddir && chdir(cddir) < 0)
+ if (cddir && PerlDir_chdir(cddir) < 0)
croak("Can't chdir to %s",cddir);
}
}
}
+
+static I32
+read_e_script(int idx, SV *buf_sv, int maxlen)
+{
+ char *p, *nl;
+ FILTER_READ(idx+1, buf_sv, maxlen);
+ p = SvPVX(e_script);
+ nl = strchr(p, '\n');
+ nl = (nl) ? nl+1 : SvEND(e_script);
+ if (nl-p == 0)
+ return 0;
+ sv_catpvn(buf_sv, p, nl-p);
+ sv_chop(e_script, nl);
+ return 1;
+}
+
+
static void
init_ids(void)
{
curstash = defstash;
}
+#ifndef STRESS_REALLOC
+#define REASONABLE(size) (size)
+#else
+#define REASONABLE(size) (1) /* unreasonable */
+#endif
+
void
init_stacks(ARGSproto)
{
- curstack = newAV();
+ /* start with 128-item stack and 8K cxstack */
+ curstackinfo = new_stackinfo(REASONABLE(128),
+ REASONABLE(8192/sizeof(PERL_CONTEXT) - 1));
+ curstackinfo->si_type = SI_MAIN;
+ curstack = curstackinfo->si_stack;
mainstack = curstack; /* remember in case we switch stacks */
- AvREAL_off(curstack); /* not a real array */
- av_extend(curstack,127);
stack_base = AvARRAY(curstack);
stack_sp = stack_base;
- stack_max = stack_base + 127;
-
- cxstack_max = 8192 / sizeof(CONTEXT) - 2; /* Use most of 8K. */
- New(50,cxstack,cxstack_max + 1,CONTEXT);
- cxstack_ix = -1;
+ stack_max = stack_base + AvMAX(curstack);
- New(50,tmps_stack,128,SV*);
+ New(50,tmps_stack,REASONABLE(128),SV*);
tmps_floor = -1;
tmps_ix = -1;
- tmps_max = 128;
+ tmps_max = REASONABLE(128);
/*
* The following stacks almost certainly should be per-interpreter,
if (markstack) {
markstack_ptr = markstack;
} else {
- New(54,markstack,64,I32);
+ New(54,markstack,REASONABLE(32),I32);
markstack_ptr = markstack;
- markstack_max = markstack + 64;
+ markstack_max = markstack + REASONABLE(32);
}
+ SET_MARKBASE;
+
if (scopestack) {
scopestack_ix = 0;
} else {
- New(54,scopestack,32,I32);
+ New(54,scopestack,REASONABLE(32),I32);
scopestack_ix = 0;
- scopestack_max = 32;
+ scopestack_max = REASONABLE(32);
}
if (savestack) {
savestack_ix = 0;
} else {
- New(54,savestack,128,ANY);
+ New(54,savestack,REASONABLE(128),ANY);
savestack_ix = 0;
- savestack_max = 128;
+ savestack_max = REASONABLE(128);
}
if (retstack) {
retstack_ix = 0;
} else {
- New(54,retstack,16,OP*);
+ New(54,retstack,REASONABLE(16),OP*);
retstack_ix = 0;
- retstack_max = 16;
+ retstack_max = REASONABLE(16);
}
}
+#undef REASONABLE
+
static void
nuke_stacks(void)
{
dTHR;
- Safefree(cxstack);
+ while (curstackinfo->si_next)
+ curstackinfo = curstackinfo->si_next;
+ while (curstackinfo) {
+ PERL_SI *p = curstackinfo->si_prev;
+ /* curstackinfo->si_stack got nuked by sv_free_arenas() */
+ Safefree(curstackinfo->si_cxstack);
+ Safefree(curstackinfo);
+ curstackinfo = p;
+ }
Safefree(tmps_stack);
DEBUG( {
Safefree(debname);
GV *tmpgv;
GV *othergv;
-#ifdef USE_THREADS
- sv_setpvn(*av_fetch(thr->specific,find_thread_magical("\""),TRUE), " ", 1);
-#else
- sv_setpvn(GvSV(gv_fetchpv("\"", TRUE, SVt_PV)), " ", 1);
-#endif /* USE_THREADS */
-
+ sv_setpvn(perl_get_sv("\"", TRUE), " ", 1);
stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO);
GvMULTI_on(stdingv);
IoIFP(GvIOp(stdingv)) = PerlIO_stdin();
if (!(s = strchr(*env,'=')))
continue;
*s++ = '\0';
-#ifdef WIN32
+#if defined(WIN32) || defined(MSDOS)
(void)strupr(*env);
#endif
sv = newSVpv(s--,0);
*s = '=';
#if defined(__BORLANDC__) && defined(USE_WIN32_RTL_ENV)
/* Sins of the RTL. See note in my_setenv(). */
- (void)putenv(savepv(*env));
+ (void)PerlEnv_putenv(savepv(*env));
#endif
}
#endif
char *s;
if (!tainting) {
#ifndef VMS
- s = getenv("PERL5LIB");
+ s = PerlEnv_getenv("PERL5LIB");
if (s)
incpush(s, TRUE);
else
- incpush(getenv("PERLLIB"), FALSE);
+ incpush(PerlEnv_getenv("PERLLIB"), FALSE);
#else /* VMS */
/* Treat PERL5?LIB as a possible search list logical name -- the
* "natural" VMS idiom for a Unix path string. We allow each
}
/* Use the ~-expanded versions of APPLLIB (undocumented),
- ARCHLIB PRIVLIB SITEARCH SITELIB and OLDARCHLIB
+ ARCHLIB PRIVLIB SITEARCH and SITELIB
*/
#ifdef APPLLIB_EXP
- incpush(APPLLIB_EXP, FALSE);
+ incpush(APPLLIB_EXP, TRUE);
#endif
#ifdef ARCHLIB_EXP
#ifdef SITELIB_EXP
incpush(SITELIB_EXP, FALSE);
#endif
-#ifdef OLDARCHLIB_EXP /* 5.00[01] compatibility */
- incpush(OLDARCHLIB_EXP, FALSE);
-#endif
-
if (!tainting)
incpush(".", FALSE);
}
return;
if (addsubdirs) {
- subdir = newSV(0);
+ subdir = NEWSV(55,0);
if (!archpat_auto) {
STRLEN len = (sizeof(ARCHNAME) + strlen(patchlevel)
+ sizeof("//auto"));
/* Break at all separators */
while (p && *p) {
- SV *libdir = newSV(0);
+ SV *libdir = NEWSV(55,0);
char *s;
/* skip any consecutive separators */
/* .../archname/version if -d .../archname/version/auto */
sv_setsv(subdir, libdir);
sv_catpv(subdir, archpat_auto);
- if (Stat(SvPVX(subdir), &tmpstatbuf) >= 0 &&
+ if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 &&
S_ISDIR(tmpstatbuf.st_mode))
av_push(GvAVn(incgv),
newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto"));
/* .../archname if -d .../archname/auto */
sv_insert(subdir, SvCUR(libdir) + sizeof(ARCHNAME),
strlen(patchlevel) + 1, "", 0);
- if (Stat(SvPVX(subdir), &tmpstatbuf) >= 0 &&
+ if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 &&
S_ISDIR(tmpstatbuf.st_mode))
av_push(GvAVn(incgv),
newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto"));
SvREFCNT_dec(subdir);
}
+#ifdef USE_THREADS
+static struct perl_thread *
+init_main_thread()
+{
+ struct perl_thread *thr;
+ XPV *xpv;
+
+ Newz(53, thr, 1, struct perl_thread);
+ curcop = &compiling;
+ thr->cvcache = newHV();
+ thr->threadsv = newAV();
+ /* thr->threadsvp is set when find_threadsv is called */
+ thr->specific = newAV();
+ thr->errhv = newHV();
+ thr->flags = THRf_R_JOINABLE;
+ MUTEX_INIT(&thr->mutex);
+ /* Handcraft thrsv similarly to mess_sv */
+ New(53, thrsv, 1, SV);
+ Newz(53, xpv, 1, XPV);
+ SvFLAGS(thrsv) = SVt_PV;
+ SvANY(thrsv) = (void*)xpv;
+ SvREFCNT(thrsv) = 1 << 30; /* practically infinite */
+ SvPVX(thrsv) = (char*)thr;
+ SvCUR_set(thrsv, sizeof(thr));
+ SvLEN_set(thrsv, sizeof(thr));
+ *SvEND(thrsv) = '\0'; /* in the trailing_nul field */
+ thr->oursv = thrsv;
+ chopset = " \n-";
+
+ MUTEX_LOCK(&threads_mutex);
+ nthreads++;
+ thr->tid = 0;
+ thr->next = thr;
+ thr->prev = thr;
+ MUTEX_UNLOCK(&threads_mutex);
+
+#ifdef HAVE_THREAD_INTERN
+ init_thread_intern(thr);
+#endif
+
+#ifdef SET_THREAD_SELF
+ SET_THREAD_SELF(thr);
+#else
+ thr->self = pthread_self();
+#endif /* SET_THREAD_SELF */
+ SET_THR(thr);
+
+ /*
+ * These must come after the SET_THR because sv_setpvn does
+ * SvTAINT and the taint fields require dTHR.
+ */
+ toptarget = NEWSV(0,0);
+ sv_upgrade(toptarget, SVt_PVFM);
+ sv_setpvn(toptarget, "", 0);
+ bodytarget = NEWSV(0,0);
+ sv_upgrade(bodytarget, SVt_PVFM);
+ sv_setpvn(bodytarget, "", 0);
+ formtarget = bodytarget;
+ thr->errsv = newSVpv("", 0);
+ (void) find_threadsv("@"); /* Ensure $@ is initialised early */
+ return thr;
+}
+#endif /* USE_THREADS */
+
void
call_list(I32 oldscope, AV *list)
{
dJMPENV;
int ret;
- while (AvFILL(list) >= 0) {
+ while (AvFILL(list) >= 0) {
CV *cv = (CV*)av_shift(list);
SAVEFREESV(cv);
JMPENV_PUSH(ret);
switch (ret) {
case 0: {
- SV* atsv = sv_mortalcopy(errsv);
+ SV* atsv = ERRSV;
PUSHMARK(stack_sp);
perl_call_sv((SV*)cv, G_EVAL|G_DISCARD);
(void)SvPV(atsv, len);
STATUS_NATIVE_SET(vaxc$errno);
}
#else
+ int exitstatus;
if (errno & 255)
STATUS_POSIX_SET(errno);
- else if (STATUS_POSIX == 0)
- STATUS_POSIX_SET(255);
+ else {
+ exitstatus = STATUS_POSIX >> 8;
+ if (exitstatus & 255)
+ STATUS_POSIX_SET(exitstatus);
+ else
+ STATUS_POSIX_SET(255);
+ }
#endif
my_exit_jump();
}
static void
my_exit_jump(void)
{
- dTHR;
- register CONTEXT *cx;
+ dSP;
+ register PERL_CONTEXT *cx;
I32 gimme;
SV **newsp;
- if (e_tmpname) {
- if (e_fp) {
- PerlIO_close(e_fp);
- e_fp = Nullfp;
- }
- (void)UNLINK(e_tmpname);
- Safefree(e_tmpname);
- e_tmpname = Nullch;
+ if (e_script) {
+ SvREFCNT_dec(e_script);
+ e_script = Nullsv;
}
+ POPSTACK_TO(mainstack);
if (cxstack_ix >= 0) {
if (cxstack_ix > 0)
dounwind(0);
JMPENV_JUMP(2);
}
+
+
+
https://perl5.git.perl.org / perl5.git / blobdiff