/* 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 my_exit_jump _((void)) __attribute__((noreturn));
static void nuke_stacks _((void));
static void open_script _((char *, bool, SV *));
-#ifdef USE_THREADS
-static void thread_destruct _((void *));
-#endif /* USE_THREADS */
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;
PerlInterpreter *
-perl_alloc()
+perl_alloc(void)
{
PerlInterpreter *sv_interp;
}
void
-perl_construct( sv_interp )
-register PerlInterpreter *sv_interp;
+perl_construct(register PerlInterpreter *sv_interp)
{
-#if defined(USE_THREADS) && !defined(FAKE_THREADS)
- struct thread *thr;
-#endif
+#ifdef USE_THREADS
+ int i;
+#ifndef FAKE_THREADS
+ struct perl_thread *thr;
+#endif /* FAKE_THREADS */
+#endif /* USE_THREADS */
if (!(curinterp = sv_interp))
return;
Zero(sv_interp, 1, PerlInterpreter);
#endif
+ /* Init the real globals (and main thread)? */
+ if (!linestr) {
#ifdef USE_THREADS
-#ifdef NEED_PTHREAD_INIT
- pthread_init();
-#endif /* NEED_PTHREAD_INIT */
- New(53, thr, 1, struct thread);
-#ifdef FAKE_THREADS
- self = thr;
- thr->next = thr->prev = thr->next_run = thr->prev_run = thr;
- thr->wait_queue = 0;
- thr->private = 0;
+
+ INIT_THREADS;
+#ifdef ALLOC_THREAD_KEY
+ ALLOC_THREAD_KEY;
#else
- self = pthread_self();
- if (pthread_key_create(&thr_key, thread_destruct))
- croak("panic: pthread_key_create");
- if (pthread_setspecific(thr_key, (void *) thr))
- croak("panic: pthread_setspecific");
-#endif /* !FAKE_THREADS */
- nthreads = 1;
- cvcache = newHV();
- thrflags = 0;
- curcop = &compiling;
+ if (pthread_key_create(&thr_key, 0))
+ croak("panic: pthread_key_create");
+#endif
+ MUTEX_INIT(&sv_mutex);
+ /*
+ * Safe to use basic SV functions from now on (though
+ * not things like mortals or tainting yet).
+ */
+ MUTEX_INIT(&eval_mutex);
+ COND_INIT(&eval_cond);
+ MUTEX_INIT(&threads_mutex);
+ COND_INIT(&nthreads_cond);
+#ifdef EMULATE_ATOMIC_REFCOUNTS
+ MUTEX_INIT(&svref_mutex);
+#endif /* EMULATE_ATOMIC_REFCOUNTS */
+
+ thr = init_main_thread();
#endif /* USE_THREADS */
- /* Init the real globals? */
- if (!linestr) {
linestr = NEWSV(65,80);
sv_upgrade(linestr,SVt_PVIV);
nrs = newSVpv("\n", 1);
rs = SvREFCNT_inc(nrs);
- MUTEX_INIT(&malloc_mutex);
- MUTEX_INIT(&sv_mutex);
- MUTEX_INIT(&eval_mutex);
- MUTEX_INIT(&nthreads_mutex);
- COND_INIT(&nthreads_cond);
-
+ sighandlerp = sighandler;
pidstatus = newHV();
#ifdef MSDOS
#endif
}
+ init_stacks(ARGS);
#ifdef MULTIPLICITY
I_REINIT;
perl_destruct_level = 1;
#endif
init_ids();
+ lex_state = LEX_NOTPARSING;
start_env.je_prev = NULL;
start_env.je_ret = -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 */
- init_stacks(ARGS);
DEBUG( {
New(51,debname,128,char);
New(52,debdelim,128,char);
ENTER;
}
-#ifdef USE_THREADS
-void
-thread_destruct(arg)
-void *arg;
-{
- struct thread *thr = (struct thread *) arg;
- /*
- * Decrement the global thread count and signal anyone listening.
- * The only official thread listening is the original thread while
- * in perl_destruct. It waits until it's the only thread and then
- * performs END blocks and other process clean-ups.
- */
- DEBUG_L(fprintf(stderr, "thread_destruct: 0x%lx\n", (unsigned long) thr));
-
- Safefree(thr);
- MUTEX_LOCK(&nthreads_mutex);
- nthreads--;
- COND_BROADCAST(&nthreads_cond);
- MUTEX_UNLOCK(&nthreads_mutex);
-}
-#endif /* USE_THREADS */
-
void
-perl_destruct(sv_interp)
-register PerlInterpreter *sv_interp;
+perl_destruct(register PerlInterpreter *sv_interp)
{
dTHR;
int destruct_level; /* 0=none, 1=full, 2=full with checks */
I32 last_sv_count;
HV *hv;
+#ifdef USE_THREADS
+ Thread t;
+#endif /* USE_THREADS */
if (!(curinterp = sv_interp))
return;
#ifdef USE_THREADS
#ifndef FAKE_THREADS
- /* Wait until all user-created threads go away */
- MUTEX_LOCK(&nthreads_mutex);
+ /* Pass 1 on any remaining threads: detach joinables, join zombies */
+ retry_cleanup:
+ MUTEX_LOCK(&threads_mutex);
+ DEBUG_L(PerlIO_printf(PerlIO_stderr(),
+ "perl_destruct: waiting for %d threads...\n",
+ nthreads - 1));
+ for (t = thr->next; t != thr; t = t->next) {
+ MUTEX_LOCK(&t->mutex);
+ switch (ThrSTATE(t)) {
+ AV *av;
+ case THRf_ZOMBIE:
+ DEBUG_L(PerlIO_printf(PerlIO_stderr(),
+ "perl_destruct: joining zombie %p\n", t));
+ ThrSETSTATE(t, THRf_DEAD);
+ MUTEX_UNLOCK(&t->mutex);
+ nthreads--;
+ /*
+ * The SvREFCNT_dec below may take a long time (e.g. av
+ * may contain an object scalar whose destructor gets
+ * called) so we have to unlock threads_mutex and start
+ * all over again.
+ */
+ MUTEX_UNLOCK(&threads_mutex);
+ JOIN(t, &av);
+ SvREFCNT_dec((SV*)av);
+ DEBUG_L(PerlIO_printf(PerlIO_stderr(),
+ "perl_destruct: joined zombie %p OK\n", t));
+ goto retry_cleanup;
+ case THRf_R_JOINABLE:
+ DEBUG_L(PerlIO_printf(PerlIO_stderr(),
+ "perl_destruct: detaching thread %p\n", t));
+ ThrSETSTATE(t, THRf_R_DETACHED);
+ /*
+ * We unlock threads_mutex and t->mutex in the opposite order
+ * from which we locked them just so that DETACH won't
+ * deadlock if it panics. It's only a breach of good style
+ * not a bug since they are unlocks not locks.
+ */
+ MUTEX_UNLOCK(&threads_mutex);
+ DETACH(t);
+ MUTEX_UNLOCK(&t->mutex);
+ goto retry_cleanup;
+ default:
+ DEBUG_L(PerlIO_printf(PerlIO_stderr(),
+ "perl_destruct: ignoring %p (state %u)\n",
+ t, ThrSTATE(t)));
+ MUTEX_UNLOCK(&t->mutex);
+ /* fall through and out */
+ }
+ }
+ /* We leave the above "Pass 1" loop with threads_mutex still locked */
+
+ /* Pass 2 on remaining threads: wait for the thread count to drop to one */
while (nthreads > 1)
{
- DEBUG_L(fprintf(stderr, "perl_destruct: waiting for %d threads\n",
- nthreads - 1));
- COND_WAIT(&nthreads_cond, &nthreads_mutex);
+ DEBUG_L(PerlIO_printf(PerlIO_stderr(),
+ "perl_destruct: final wait for %d threads\n",
+ nthreads - 1));
+ COND_WAIT(&nthreads_cond, &threads_mutex);
}
/* At this point, we're the last thread */
- MUTEX_UNLOCK(&nthreads_mutex);
- DEBUG_L(fprintf(stderr, "perl_destruct: armageddon has arrived\n"));
- MUTEX_DESTROY(&nthreads_mutex);
+ MUTEX_UNLOCK(&threads_mutex);
+ DEBUG_L(PerlIO_printf(PerlIO_stderr(), "perl_destruct: armageddon has arrived\n"));
+ MUTEX_DESTROY(&threads_mutex);
COND_DESTROY(&nthreads_cond);
#endif /* !defined(FAKE_THREADS) */
#endif /* USE_THREADS */
#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;
/* startup and shutdown function lists */
SvREFCNT_dec(beginav);
SvREFCNT_dec(endav);
+ SvREFCNT_dec(initav);
beginav = Nullav;
endav = Nullav;
-
- /* temp stack during pp_sort() */
- SvREFCNT_dec(sortstack);
- sortstack = Nullav;
+ initav = Nullav;
/* shortcuts just get cleared */
envgv = Nullgv;
DEBUG_P(debprofdump());
#ifdef USE_THREADS
MUTEX_DESTROY(&sv_mutex);
- MUTEX_DESTROY(&malloc_mutex);
MUTEX_DESTROY(&eval_mutex);
-#endif /* USE_THREADS */
+ COND_DESTROY(&eval_cond);
+ /* As the penultimate thing, free the non-arena SV for thrsv */
+ Safefree(SvPVX(thrsv));
+ Safefree(SvANY(thrsv));
+ Safefree(thrsv);
+ thrsv = Nullsv;
+#endif /* USE_THREADS */
+
/* As the absolutely last thing, free the non-arena SV for mess() */
if (mess_sv) {
}
void
-perl_free(sv_interp)
-PerlInterpreter *sv_interp;
+perl_free(PerlInterpreter *sv_interp)
{
if (!(curinterp = sv_interp))
return;
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(sv_interp, xsinit, argc, argv, env)
-PerlInterpreter *sv_interp;
-void (*xsinit)_((void));
-int argc;
-char **argv;
-char **env;
+perl_parse(PerlInterpreter *sv_interp, void (*xsinit) (void), int argc, char **argv, char **env)
{
dTHR;
register SV *sv;
#ifndef VMS /* VMS doesn't have environ array */
origenviron = environ;
#endif
- e_tmpname = Nullch;
if (do_undump) {
/* my_exit() was called */
while (scopestack_ix > oldscope)
LEAVE;
+ FREETMPS;
curstash = defstash;
if (endav)
call_list(oldscope, endav);
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':
+
+ case 'I': /* -I handled both here and in moreswitches() */
forbid_setid("-I");
- sv_catpv(sv,"-");
- sv_catpv(sv,s);
- sv_catpv(sv," ");
- if (*++s) {
- incpush(s, TRUE);
- }
- else if (argv[1]) {
- incpush(argv[1], TRUE);
- sv_catpv(sv,argv[1]);
+ if (!*++s && (s=argv[1]) != Nullch) {
argc--,argv++;
- sv_catpv(sv," ");
}
+ while (s && isSPACE(*s))
+ ++s;
+ if (s && *s) {
+ char *e, *p;
+ for (e = s; *e && !isSPACE(*e); e++) ;
+ p = savepvn(s, e-s);
+ incpush(p, TRUE);
+ sv_catpv(sv,"-I");
+ sv_catpv(sv,p);
+ sv_catpv(sv," ");
+ Safefree(p);
+ } /* XXX else croak? */
break;
case 'P':
forbid_setid("-P");
if (*s)
cddir = savepv(s);
break;
- case '-':
- argc--,argv++;
- goto switch_end;
case 0:
break;
+ case '-':
+ if (!*++s || isSPACE(*s)) {
+ argc--,argv++;
+ goto switch_end;
+ }
+ /* catch use of gnu style long options */
+ if (strEQ(s, "version")) {
+ s = "v";
+ goto reswitch;
+ }
+ if (strEQ(s, "help")) {
+ s = "h";
+ goto reswitch;
+ }
+ s--;
+ /* FALL THROUGH */
default:
- croak("Unrecognized switch: -%s",s);
+ croak("Unrecognized switch: -%s (-h will show valid options)",s);
}
}
switch_end:
- if (!tainting && (s = getenv("PERL5OPT"))) {
- for (;;) {
+ if (!tainting && (s = PerlEnv_getenv("PERL5OPT"))) {
+ while (s && *s) {
while (isSPACE(*s))
s++;
if (*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 = "-";
CvOWNER(compcv) = 0;
New(666, CvMUTEXP(compcv), 1, perl_mutex);
MUTEX_INIT(CvMUTEXP(compcv));
- New(666, CvCONDP(compcv), 1, perl_cond);
- COND_INIT(CvCONDP(compcv));
#endif /* USE_THREADS */
comppadlist = newAV();
boot_core_UNIVERSAL();
if (xsinit)
(*xsinit)(); /* in case linked C routines want magical variables */
-#ifdef VMS
+#if defined(VMS) || defined(WIN32) || defined(DJGPP)
init_os_extras();
#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);
- sv_setsv(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), rs);
-
+ sv_setsv(perl_get_sv("/", TRUE), rs);
if (do_undump)
my_unexec();
LEAVE;
FREETMPS;
-#ifdef DEBUGGING_MSTATS
- if ((s=getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2)
+#ifdef MYMALLOC
+ if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2)
dump_mstats("after compilation:");
#endif
}
int
-perl_run(sv_interp)
-PerlInterpreter *sv_interp;
+perl_run(PerlInterpreter *sv_interp)
{
- dTHR;
+ dSP;
I32 oldscope;
dJMPENV;
int ret;
/* my_exit() was called */
while (scopestack_ix > oldscope)
LEAVE;
+ FREETMPS;
curstash = defstash;
if (endav)
call_list(oldscope, endav);
- FREETMPS;
-#ifdef DEBUGGING_MSTATS
- if (getenv("PERL_DEBUG_MSTATS"))
+#ifdef MYMALLOC
+ 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;
}
- DEBUG_r(PerlIO_printf(PerlIO_stderr(), "%s $` $& $' support.\n",
+ DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n",
sawampersand ? "Enabling" : "Omitting"));
if (!restartop) {
PerlIO_printf(PerlIO_stderr(), "%s syntax OK\n", origfilename);
my_exit(0);
}
- if (perldb && DBsingle)
- sv_setiv(DBsingle, 1);
+ if (PERLDB_SINGLE && DBsingle)
+ sv_setiv(DBsingle, 1);
if (initav)
call_list(oldscope, initav);
}
}
SV*
-perl_get_sv(name, create)
-char* name;
-I32 create;
+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;
}
AV*
-perl_get_av(name, create)
-char* name;
-I32 create;
+perl_get_av(char *name, I32 create)
{
GV* gv = gv_fetchpv(name, create, SVt_PVAV);
if (create)
}
HV*
-perl_get_hv(name, create)
-char* name;
-I32 create;
+perl_get_hv(char *name, I32 create)
{
GV* gv = gv_fetchpv(name, create, SVt_PVHV);
if (create)
}
CV*
-perl_get_cv(name, create)
-char* name;
-I32 create;
+perl_get_cv(char *name, I32 create)
{
GV* gv = gv_fetchpv(name, create, SVt_PVCV);
if (create && !GvCVu(gv))
/* Be sure to refetch the stack pointer after calling these routines. */
I32
-perl_call_argv(subname, flags, argv)
-char *subname;
-I32 flags; /* See G_* flags in cop.h */
-register char **argv; /* null terminated arg list */
+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(subname, flags)
-char *subname; /* name of the subroutine */
-I32 flags; /* See G_* flags in cop.h */
+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
-perl_call_method(methname, flags)
-char *methname; /* name of the subroutine */
-I32 flags; /* See G_* flags in cop.h */
+perl_call_method(char *methname, I32 flags)
+ /* 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);
}
/* May be called with any of a CV, a GV, or an SV containing the name. */
I32
-perl_call_sv(sv, flags)
-SV* sv;
-I32 flags; /* See G_* flags in cop.h */
+perl_call_sv(SV *sv, I32 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;
bool oldcatch = CATCH_GET;
dJMPENV;
int ret;
+ OP* oldop = op;
if (flags & G_DISCARD) {
ENTER;
oldmark = TOPMARK;
oldscope = scopestack_ix;
- if (perldb && curstash != debstash
+ if (PERLDB_SUB && curstash != debstash
/* Handle first BEGIN of -d. */
&& (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(GvSV(errgv),"");
+ sv_setpv(ERRSV,"");
}
markstack_ptr++;
runops();
retval = stack_sp - (stack_base + oldmark);
if ((flags & G_EVAL) && !(flags & G_KEEPERR))
- sv_setpv(GvSV(errgv),"");
+ 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);
FREETMPS;
LEAVE;
}
+ op = oldop;
return retval;
}
/* Eval a string. The G_EVAL flag is always assumed. */
I32
-perl_eval_sv(sv, flags)
-SV* sv;
-I32 flags; /* See G_* flags in cop.h */
+perl_eval_sv(SV *sv, I32 flags)
+
+ /* 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;
int ret;
-
+ OP* oldop = op;
+
if (flags & G_DISCARD) {
ENTER;
SAVETMPS;
runops();
retval = stack_sp - (stack_base + oldmark);
if (!(flags & G_KEEPERR))
- sv_setpv(GvSV(errgv),"");
+ sv_setpv(ERRSV,"");
cleanup:
JMPENV_POP;
FREETMPS;
LEAVE;
}
+ op = oldop;
return retval;
}
SV*
-perl_eval_pv(p, croak_on_error)
-char* p;
-I32 croak_on_error;
+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(GvSV(errgv)))
- croak(SvPVx(GvSV(errgv), na));
+ if (croak_on_error && SvTRUE(ERRSV))
+ croak(SvPVx(ERRSV, na));
return sv;
}
/* Require a module. */
void
-perl_require_pv(pv)
-char* pv;
+perl_require_pv(char *pv)
{
SV* sv = sv_newmortal();
sv_setpv(sv, "require '");
}
void
-magicname(sym,name,namlen)
-char *sym;
-char *name;
-I32 namlen;
+magicname(char *sym, char *name, I32 namlen)
{
register GV *gv;
}
static void
-usage(name) /* XXX move this out into a module ? */
-char *name;
+usage(char *name) /* XXX move this out into a module ? */
+
{
/* This message really ought to be max 23 lines.
* Removed -h because the user already knows that opton. Others? */
+
+ static char *usage[] = {
+"-0[octal] specify record separator (\\0, if no argument)",
+"-a autosplit mode with -n or -p (splits $_ into @F)",
+"-c check syntax only (runs BEGIN and END blocks)",
+"-d[:debugger] run scripts under debugger",
+"-D[number/list] set debugging flags (argument is a bit mask or flags)",
+"-e 'command' one line of script. Several -e's allowed. Omit [programfile].",
+"-F/pattern/ split() pattern for autosplit (-a). The //'s are optional.",
+"-i[extension] edit <> files in place (make backup if extension supplied)",
+"-Idirectory specify @INC/#include directory (may be used more than once)",
+"-l[octal] enable line ending processing, specifies line terminator",
+"-[mM][-]module.. executes `use/no module...' before executing your script.",
+"-n assume 'while (<>) { ... }' loop around your script",
+"-p assume loop like -n but print line also like sed",
+"-P run script through C preprocessor before compilation",
+"-s enable some switch parsing for switches after script name",
+"-S look for the script using PATH environment variable",
+"-T turn on tainting checks",
+"-u dump core after parsing script",
+"-U allow unsafe operations",
+"-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",
+"\n",
+NULL
+};
+ char **p = usage;
+
printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name);
- printf("\n -0[octal] specify record separator (\\0, if no argument)");
- printf("\n -a autosplit mode with -n or -p (splits $_ into @F)");
- printf("\n -c check syntax only (runs BEGIN and END blocks)");
- printf("\n -d[:debugger] run scripts under debugger");
- printf("\n -D[number/list] set debugging flags (argument is a bit mask or flags)");
- printf("\n -e 'command' one line of script. Several -e's allowed. Omit [programfile].");
- printf("\n -F/pattern/ split() pattern for autosplit (-a). The //'s are optional.");
- printf("\n -i[extension] edit <> files in place (make backup if extension supplied)");
- printf("\n -Idirectory specify @INC/#include directory (may be used more then once)");
- printf("\n -l[octal] enable line ending processing, specifies line teminator");
- printf("\n -[mM][-]module.. executes `use/no module...' before executing your script.");
- 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");
- 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");
- printf("\n -u dump core after parsing script");
- printf("\n -U allow unsafe operations");
- printf("\n -v print version number and patchlevel of perl");
- printf("\n -V[:variable] print perl configuration information");
- printf("\n -w TURN WARNINGS ON FOR COMPILATION OF YOUR SCRIPT.");
- printf("\n -x[directory] strip off text before #!perl line and perhaps cd to directory\n");
+ while (*p)
+ printf("\n %s", *p++);
}
/* This routine handles any switches that can be given during run */
char *
-moreswitches(s)
-char *s;
+moreswitches(char *s)
{
I32 numlen;
U32 rschar;
switch (*s) {
case '0':
+ {
+ dTHR;
rschar = scan_oct(s, 4, &numlen);
SvREFCNT_dec(nrs);
if (rschar & ~((U8)~0))
nrs = newSVpv(&ch, 1);
}
return s + numlen;
+ }
case 'F':
minus_F = TRUE;
splitstr = savepv(s + 1);
s += strlen(s);
}
if (!perldb) {
- perldb = TRUE;
+ perldb = PERLDB_ALL;
init_debugger();
}
return s;
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++) ;
- *s = '\0';
- break;
- case 'I':
+ 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");
- if (*++s) {
+ ++s;
+ while (*s && isSPACE(*s))
+ ++s;
+ if (*s) {
char *e, *p;
for (e = s; *e && !isSPACE(*e); e++) ;
p = savepvn(s, e-s);
incpush(p, TRUE);
Safefree(p);
- if (*e)
- return e;
+ s = e;
}
else
croak("No space allowed after -I");
- break;
+ return s;
case 'l':
minus_l = TRUE;
s++;
s += numlen;
}
else {
+ dTHR;
if (RsPARA(nrs)) {
ors = "\n\n";
orslen = 2;
return s;
case 'v':
#if defined(SUBVERSION) && SUBVERSION > 0
- printf("\nThis is perl, version 5.%03d_%02d", PATCHLEVEL, SUBVERSION);
+ printf("\nThis is perl, version 5.%03d_%02d built for %s",
+ PATCHLEVEL, SUBVERSION, ARCHNAME);
#else
- printf("\nThis is perl, version %s",patchlevel);
+ printf("\nThis is perl, version %s built for %s",
+ patchlevel, ARCHNAME);
+#endif
+#if defined(LOCAL_PATCH_COUNT)
+ if (LOCAL_PATCH_COUNT > 0)
+ printf("\n(with %d registered patch%s, see perl -V for more detail)",
+ 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("\n\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n");
+ 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()
+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>
}
static void
-init_main_stash()
+init_main_stash(void)
{
dTHR;
GV *gv;
defgv = gv_fetchpv("_",TRUE, SVt_PVAV);
errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV));
GvMULTI_on(errgv);
- sv_setpvn(GvSV(errgv), "", 0);
+ (void)form("%240s",""); /* Preallocate temp - for immediate signals. */
+ 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 $/ before switches are processed. */
sv_setpvn(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), "\n", 1);
}
-#ifdef CAN_PROTOTYPE
static void
open_script(char *scriptname, bool dosearch, SV *sv)
-#else
-static void
-open_script(scriptname,dosearch,sv)
-char *scriptname;
-bool dosearch;
-SV *sv;
-#endif
{
dTHR;
- char *xfound = Nullch;
- char *xfailed = Nullch;
register char *s;
- I32 len;
- int retval;
-#if defined(DOSISH) && !defined(OS2) && !defined(atarist)
-# define SEARCH_EXTS ".bat", ".cmd", NULL
-# define MAX_EXT_LEN 4
-#endif
-#ifdef VMS
-# define SEARCH_EXTS ".pl", ".com", NULL
-# define MAX_EXT_LEN 4
-#endif
- /* additional extensions to try in each dir if scriptname not found */
-#ifdef SEARCH_EXTS
- char *ext[] = { SEARCH_EXTS };
- int extidx = (strchr(scriptname,'.')) ? -1 : 0; /* has ext already */
-#else
-# define MAX_EXT_LEN 0
-#endif
-#ifdef VMS
- if (dosearch) {
- int hasdir, idx = 0, deftypes = 1;
-
- hasdir = (strpbrk(scriptname,":[</") != Nullch) ;
- /* The first time through, just add SEARCH_EXTS to whatever we
- * already have, so we can check for default file types. */
- while (deftypes ||
- (!hasdir && my_trnlnm("DCL$PATH",tokenbuf,idx++)) )
- {
- if (deftypes) {
- deftypes = 0;
- *tokenbuf = '\0';
- }
- if ((strlen(tokenbuf) + strlen(scriptname)
- + MAX_EXT_LEN) >= sizeof tokenbuf)
- continue; /* don't search dir with too-long name */
- strcat(tokenbuf, scriptname);
-#else /* !VMS */
- if (dosearch && !strchr(scriptname, '/') && (s = getenv("PATH"))) {
- bufend = s + strlen(s);
- while (s < bufend) {
-#ifndef atarist
- s = delimcpy(tokenbuf, tokenbuf + sizeof tokenbuf, s, bufend,
-#ifdef DOSISH
- ';',
-#else
- ':',
-#endif
- &len);
-#else /* atarist */
- for (len = 0; *s && *s != ',' && *s != ';'; len++, s++) {
- if (len < sizeof tokenbuf)
- tokenbuf[len] = *s;
- }
- if (len < sizeof tokenbuf)
- tokenbuf[len] = '\0';
-#endif /* atarist */
- 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] != '/'
-#endif
-#if defined(atarist) || defined(DOSISH)
- && tokenbuf[len - 1] != '\\'
-#endif
- )
- tokenbuf[len++] = '/';
- (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);
- }
- if (!xfound)
- croak("Can't execute %s", xfailed ? xfailed : scriptname );
- 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
}
static void
-validate_suid(validarg, scriptname)
-char *validarg;
-char *scriptname;
+validate_suid(char *validarg, char *scriptname)
{
int which;
*/
#ifdef DOSUID
+ 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
- Fstat(PerlIO_fileno(rsfp),&statbuf); /* may be either wrapped or real suid */
+ dTHR;
+ 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)
}
static void
-find_beginning()
+find_beginning(void)
{
register char *s, *s2;
/*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()
+init_ids(void)
{
uid = (int)getuid();
euid = (int)geteuid();
}
static void
-forbid_setid(s)
-char *s;
+forbid_setid(char *s)
{
if (euid != uid)
croak("No %s allowed while running setuid", s);
}
static void
-init_debugger()
+init_debugger(void)
{
dTHR;
curstash = debstash;
curstash = defstash;
}
+#ifndef STRESS_REALLOC
+#define REASONABLE(size) (size)
+#else
+#define REASONABLE(size) (1) /* unreasonable */
+#endif
+
void
-init_stacks(ARGS)
-dARGS
+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;
+ stack_max = stack_base + AvMAX(curstack);
- cxstack_max = 8192 / sizeof(CONTEXT) - 2; /* Use most of 8K. */
- New(50,cxstack,cxstack_max + 1,CONTEXT);
- cxstack_ix = -1;
-
- 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()
+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);
static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */
static void
-init_lexer()
+init_lexer(void)
{
tmpfp = rsfp;
+ rsfp = Nullfp;
lex_start(linestr);
rsfp = tmpfp;
subname = newSVpv("main",4);
}
static void
-init_predump_symbols()
+init_predump_symbols(void)
{
dTHR;
GV *tmpgv;
GV *othergv;
- sv_setpvn(GvSV(gv_fetchpv("\"", TRUE, SVt_PV)), " ", 1);
-
+ sv_setpvn(perl_get_sv("\"", TRUE), " ", 1);
stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO);
GvMULTI_on(stdingv);
IoIFP(GvIOp(stdingv)) = PerlIO_stdin();
}
static void
-init_postdump_symbols(argc,argv,env)
-register int argc;
-register char **argv;
-register char **env;
+init_postdump_symbols(register int argc, register char **argv, register char **env)
{
+ dTHR;
char *s;
SV *sv;
GV* tmpgv;
if (!(s = strchr(*env,'=')))
continue;
*s++ = '\0';
-#ifdef WIN32
+#if defined(WIN32) || defined(MSDOS)
(void)strupr(*env);
#endif
sv = newSVpv(s--,0);
(void)hv_store(hv, *env, s - *env, sv, 0);
*s = '=';
+#if defined(__BORLANDC__) && defined(USE_WIN32_RTL_ENV)
+ /* Sins of the RTL. See note in my_setenv(). */
+ (void)PerlEnv_putenv(savepv(*env));
+#endif
}
#endif
#ifdef DYNAMIC_ENV_FETCH
}
static void
-init_perllib()
+init_perllib(void)
{
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);
}
#endif
static void
-incpush(p, addsubdirs)
-char *p;
-int addsubdirs;
+incpush(char *p, int addsubdirs)
{
SV *subdir = Nullsv;
static char *archpat_auto;
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 $@ is initialised early */
+ return thr;
+}
+#endif /* USE_THREADS */
+
void
-call_list(oldscope, list)
-I32 oldscope;
-AV* list;
+call_list(I32 oldscope, AV *list)
{
dTHR;
line_t oldline = curcop->cop_line;
dJMPENV;
int ret;
- while (AvFILL(list) >= 0) {
+ while (AvFILL(list) >= 0) {
CV *cv = (CV*)av_shift(list);
SAVEFREESV(cv);
JMPENV_PUSH(ret);
switch (ret) {
case 0: {
- SV* atsv = GvSV(errgv);
+ SV* atsv = ERRSV;
PUSHMARK(stack_sp);
perl_call_sv((SV*)cv, G_EVAL|G_DISCARD);
(void)SvPV(atsv, len);
/* my_exit() was called */
while (scopestack_ix > oldscope)
LEAVE;
+ FREETMPS;
curstash = defstash;
if (endav)
call_list(oldscope, endav);
- FREETMPS;
JMPENV_POP;
curcop = &compiling;
curcop->cop_line = oldline;
}
void
-my_exit(status)
-U32 status;
+my_exit(U32 status)
{
dTHR;
#ifdef USE_THREADS
- DEBUG_L(PerlIO_printf(Perl_debug_log, "my_exit: thread 0x%lx, status %lu\n",
- (unsigned long) thr, (unsigned long) status));
+ DEBUG_L(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n",
+ thr, (unsigned long) status));
#endif /* USE_THREADS */
switch (status) {
case 0:
}
void
-my_failure_exit()
+my_failure_exit(void)
{
#ifdef VMS
if (vaxc$errno & 1) {
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()
+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);
}
+
+
+
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