/* perl.c
*
* Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- * 2000, 2001, 2002, 2003, 2004, by Larry Wall and others
+ * 2000, 2001, 2002, 2003, 2004, 2005, by Larry Wall and others
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
#endif
#endif
+static void
+S_init_tls_and_interp(PerlInterpreter *my_perl)
+{
+ if (!PL_curinterp) {
+ PERL_SET_INTERP(my_perl);
#if defined(USE_ITHREADS)
-# define INIT_TLS_AND_INTERP \
- STMT_START { \
- if (!PL_curinterp) { \
- PERL_SET_INTERP(my_perl); \
- INIT_THREADS; \
- ALLOC_THREAD_KEY; \
- PERL_SET_THX(my_perl); \
- OP_REFCNT_INIT; \
- MUTEX_INIT(&PL_dollarzero_mutex); \
- } \
- else { \
- PERL_SET_THX(my_perl); \
- } \
- } STMT_END
-#else
-# define INIT_TLS_AND_INTERP \
- STMT_START { \
- if (!PL_curinterp) { \
- PERL_SET_INTERP(my_perl); \
- } \
- PERL_SET_THX(my_perl); \
- } STMT_END
+ INIT_THREADS;
+ ALLOC_THREAD_KEY;
+ PERL_SET_THX(my_perl);
+ OP_REFCNT_INIT;
+ MUTEX_INIT(&PL_dollarzero_mutex);
# endif
+ }
+ else {
+ PERL_SET_THX(my_perl);
+ }
+}
#ifdef PERL_IMPLICIT_SYS
PerlInterpreter *
PerlInterpreter *my_perl;
/* New() needs interpreter, so call malloc() instead */
my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, sizeof(PerlInterpreter));
- INIT_TLS_AND_INTERP;
+ S_init_tls_and_interp(my_perl);
Zero(my_perl, 1, PerlInterpreter);
PL_Mem = ipM;
PL_MemShared = ipMS;
perl_alloc(void)
{
PerlInterpreter *my_perl;
-#ifdef USE_5005THREADS
- dTHX;
-#endif
/* New() needs interpreter, so call malloc() instead */
my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter));
- INIT_TLS_AND_INTERP;
- return ZeroD(my_perl, 1, PerlInterpreter);
+ S_init_tls_and_interp(my_perl);
+ return (PerlInterpreter *) ZeroD(my_perl, 1, PerlInterpreter);
}
#endif /* PERL_IMPLICIT_SYS */
#endif
/* Init the real globals (and main thread)? */
if (!PL_linestr) {
-#ifdef PERL_FLEXIBLE_EXCEPTIONS
- PL_protect = MEMBER_TO_FPTR(Perl_default_protect); /* for exceptions */
-#endif
-
PL_curcop = &PL_compiling; /* needed by ckWARN, right away */
PL_linestr = NEWSV(65,79);
{
volatile int destruct_level; /* 0=none, 1=full, 2=full with checks */
HV *hv;
-#ifdef USE_5005THREADS
- dTHX;
-#endif /* USE_5005THREADS */
/* wait for all pseudo-forked children to finish */
PERL_WAIT_FOR_CHILDREN;
{
char *s;
if ((s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"))) {
- int i = atoi(s);
+ const int i = atoi(s);
if (destruct_level < i)
destruct_level = i;
}
if (SvTYPE(sv) != SVTYPEMASK) {
PerlIO_printf(Perl_debug_log, "leaked: sv=0x%p"
" flags=0x08%"UVxf
- " refcnt=%"UVuf pTHX__FORMAT "\n",
- sv, sv->sv_flags, sv->sv_refcnt pTHX__VALUE);
+ " refcnt=%"UVuf pTHX__FORMAT "\n"
+ "\tallocated at %s:%d %s %s%s\n",
+ sv, sv->sv_flags, sv->sv_refcnt pTHX__VALUE,
+ sv->sv_debug_file ? sv->sv_debug_file : "(unknown)",
+ sv->sv_debug_line,
+ sv->sv_debug_inpad ? "for" : "by",
+ sv->sv_debug_optype ?
+ PL_op_name[sv->sv_debug_optype]: "(none)",
+ sv->sv_debug_cloned ? " (cloned)" : ""
+ );
}
}
}
#endif
}
+#if defined(USE_5005THREADS) || defined(USE_ITHREADS)
+/* provide destructors to clean up the thread key when libperl is unloaded */
+#ifndef WIN32 /* handled during DLL_PROCESS_DETACH in win32/perllib.c */
+
+#if defined(__hpux) && !defined(__GNUC__)
+#pragma fini "perl_fini"
+#endif
+
+#if defined(__GNUC__) && defined(__attribute__)
+/* want to make sure __attribute__ works here even
+ * for -Dd_attribut=undef builds.
+ */
+#undef __attribute__
+#endif
+
+static void __attribute__((destructor))
+perl_fini()
+{
+ if (PL_curinterp)
+ FREE_THREAD_KEY;
+}
+
+#endif /* WIN32 */
+#endif /* THREADS */
+
void
Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr)
{
++PL_exitlistlen;
}
+#ifdef HAS_PROCSELFEXE
+/* This is a function so that we don't hold on to MAXPATHLEN
+ bytes of stack longer than necessary
+ */
+STATIC void
+S_procself_val(pTHX_ SV *sv, const char *arg0)
+{
+ char buf[MAXPATHLEN];
+ int len = readlink(PROCSELFEXE_PATH, buf, sizeof(buf) - 1);
+
+ /* On Playstation2 Linux V1.0 (kernel 2.2.1) readlink(/proc/self/exe)
+ includes a spurious NUL which will cause $^X to fail in system
+ or backticks (this will prevent extensions from being built and
+ many tests from working). readlink is not meant to add a NUL.
+ Normal readlink works fine.
+ */
+ if (len > 0 && buf[len-1] == '\0') {
+ len--;
+ }
+
+ /* FreeBSD's implementation is acknowledged to be imperfect, sometimes
+ returning the text "unknown" from the readlink rather than the path
+ to the executable (or returning an error from the readlink). Any valid
+ path has a '/' in it somewhere, so use that to validate the result.
+ See http://www.freebsd.org/cgi/query-pr.cgi?pr=35703
+ */
+ if (len > 0 && memchr(buf, '/', len)) {
+ sv_setpvn(sv,buf,len);
+ }
+ else {
+ sv_setpv(sv,arg0);
+ }
+}
+#endif /* HAS_PROCSELFEXE */
+
+STATIC void
+S_set_caret_X(pTHX) {
+ GV* tmpgv = gv_fetchpv("\030",TRUE, SVt_PV); /* $^X */
+ if (tmpgv) {
+#ifdef HAS_PROCSELFEXE
+ S_procself_val(aTHX_ GvSV(tmpgv), PL_origargv[0]);
+#else
+#ifdef OS2
+ sv_setpv(GvSV(tmpgv), os2_execname(aTHX));
+#else
+ sv_setpv(GvSV(tmpgv),PL_origargv[0]);
+#endif
+#endif
+ }
+}
+
/*
=for apidoc perl_parse
I32 oldscope;
int ret;
dJMPENV;
-#ifdef USE_5005THREADS
- dTHX;
-#endif
#ifdef SETUID_SCRIPTS_ARE_SECURE_NOW
#ifdef IAMSUID
* the area we are able to modify is limited to the size of
* the original argv[0]. (See below for 'contiguous', though.)
* --jhi */
- char *s = NULL;
+ const char *s = NULL;
int i;
UV mask =
~(UV)(PTRSIZE == 4 ? 3 : PTRSIZE == 8 ? 7 : PTRSIZE == 16 ? 15 : 0);
PL_do_undump = FALSE;
cxstack_ix = -1; /* start label stack again */
init_ids();
+ assert (!PL_tainted);
+ TAINT;
+ S_set_caret_X(aTHX);
+ TAINT_NOT;
init_postdump_symbols(argc,argv,env);
return 0;
}
oldscope = PL_scopestack_ix;
PL_dowarn = G_WARN_OFF;
-#ifdef PERL_FLEXIBLE_EXCEPTIONS
- CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vparse_body), env, xsinit);
-#else
JMPENV_PUSH(ret);
-#endif
switch (ret) {
case 0:
-#ifndef PERL_FLEXIBLE_EXCEPTIONS
parse_body(env,xsinit);
-#endif
if (PL_checkav)
call_list(oldscope, PL_checkav);
ret = 0;
return ret;
}
-#ifdef PERL_FLEXIBLE_EXCEPTIONS
-STATIC void *
-S_vparse_body(pTHX_ va_list args)
-{
- char **env = va_arg(args, char**);
- XSINIT_t xsinit = va_arg(args, XSINIT_t);
-
- return parse_body(env, xsinit);
-}
-#endif
-
STATIC void *
S_parse_body(pTHX_ char **env, XSINIT_t xsinit)
{
int argc = PL_origargc;
char **argv = PL_origargv;
- char *scriptname = NULL;
+ const char *scriptname = NULL;
VOL bool dosearch = FALSE;
- char *validarg = "";
+ const char *validarg = "";
register SV *sv;
register char *s;
- char *cddir = Nullch;
+ const char *cddir = Nullch;
+ bool minus_f = FALSE;
PL_fdscript = -1;
PL_suidscript = -1;
sv_catpv(PL_e_script, "\n");
break;
+ case 'f':
+ minus_f = TRUE;
+ s++;
+ goto reswitch;
+
case 'I': /* -I handled both here and in moreswitches() */
forbid_setid("-I");
if (!*++s && (s=argv[1]) != Nullch) {
char *p;
STRLEN len = strlen(s);
p = savepvn(s, len);
- incpush(p, TRUE, TRUE, FALSE);
+ incpush(p, TRUE, TRUE, FALSE, FALSE);
sv_catpvn(sv, "-I", 2);
sv_catpvn(sv, p, len);
sv_catpvn(sv, " ", 1);
PL_preambleav = newAV();
av_push(PL_preambleav, newSVpv("use Config qw(myconfig config_vars)",0));
if (*++s != ':') {
+ STRLEN opts;
+
PL_Sv = newSVpv("print myconfig();",0);
#ifdef VMS
sv_catpv(PL_Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\",");
#else
sv_catpv(PL_Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\",");
#endif
+ opts = SvCUR(PL_Sv);
+
sv_catpv(PL_Sv,"\" Compile-time options:");
# ifdef DEBUGGING
sv_catpv(PL_Sv," DEBUGGING");
# ifdef USE_SOCKS
sv_catpv(PL_Sv," USE_SOCKS");
# endif
+# ifdef USE_SITECUSTOMIZE
+ sv_catpv(PL_Sv," USE_SITECUSTOMIZE");
+# endif
# ifdef PERL_IMPLICIT_CONTEXT
sv_catpv(PL_Sv," PERL_IMPLICIT_CONTEXT");
# endif
# ifdef PERL_IMPLICIT_SYS
sv_catpv(PL_Sv," PERL_IMPLICIT_SYS");
# endif
+
+ while (SvCUR(PL_Sv) > opts+76) {
+ /* find last space after "options: " and before col 76 */
+
+ const char *space;
+ char *pv = SvPV_nolen(PL_Sv);
+ const char c = pv[opts+76];
+ pv[opts+76] = '\0';
+ space = strrchr(pv+opts+26, ' ');
+ pv[opts+76] = c;
+ if (!space) break; /* "Can't happen" */
+
+ /* break the line before that space */
+
+ opts = space - pv;
+ sv_insert(PL_Sv, opts, 0,
+ "\\n ", 25);
+ }
+
sv_catpv(PL_Sv,"\\n\",");
#if defined(LOCAL_PATCH_COUNT)
}
/* catch use of gnu style long options */
if (strEQ(s, "version")) {
- s = "v";
+ s = (char *)"v";
goto reswitch;
}
if (strEQ(s, "help")) {
- s = "h";
+ s = (char *)"h";
goto reswitch;
}
s--;
#endif
(s = PerlEnv_getenv("PERL5OPT")))
{
- char *popt = s;
+ const char *popt = s;
while (isSPACE(*s))
s++;
if (*s == '-' && *(s+1) == 'T') {
}
}
+#ifdef USE_SITECUSTOMIZE
+ if (!minus_f) {
+ if (!PL_preambleav)
+ PL_preambleav = newAV();
+ av_unshift(PL_preambleav, 1);
+ (void)av_store(PL_preambleav, 0, Perl_newSVpvf(aTHX_ "BEGIN { do '%s/sitecustomize.pl' }", SITELIB_EXP));
+ }
+#endif
+
if (PL_taint_warn && PL_dowarn != G_WARN_ALL_OFF) {
PL_compiling.cop_warnings = newSVpvn(WARN_TAINTstring, WARNsize);
}
scriptname = "-";
}
+ /* Set $^X early so that it can be used for relocatable paths in @INC */
+ assert (!PL_tainted);
+ TAINT;
+ S_set_caret_X(aTHX);
+ TAINT_NOT;
init_perllib();
open_script(scriptname,dosearch,sv);
if (PL_doextract) {
#endif
find_beginning();
- if (cddir && PerlDir_chdir(cddir) < 0)
+ if (cddir && PerlDir_chdir( (char *)cddir ) < 0)
Perl_croak(aTHX_ "Can't chdir to %s",cddir);
}
I32 oldscope;
int ret = 0;
dJMPENV;
-#ifdef USE_5005THREADS
- dTHX;
-#endif
oldscope = PL_scopestack_ix;
#ifdef VMS
VMSISH_HUSHED = 0;
#endif
-#ifdef PERL_FLEXIBLE_EXCEPTIONS
- redo_body:
- CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vrun_body), oldscope);
-#else
JMPENV_PUSH(ret);
-#endif
switch (ret) {
case 1:
cxstack_ix = -1; /* start context stack again */
goto redo_body;
case 0: /* normal completion */
-#ifndef PERL_FLEXIBLE_EXCEPTIONS
redo_body:
run_body(oldscope);
-#endif
/* FALL THROUGH */
case 2: /* my_exit() */
while (PL_scopestack_ix > oldscope)
return ret;
}
-#ifdef PERL_FLEXIBLE_EXCEPTIONS
-STATIC void *
-S_vrun_body(pTHX_ va_list args)
-{
- I32 oldscope = va_arg(args, I32);
-
- return run_body(oldscope);
-}
-#endif
-
-STATIC void *
+STATIC void
S_run_body(pTHX_ I32 oldscope)
{
DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n",
my_exit(0);
/* NOTREACHED */
- return NULL;
}
/*
}
PL_markstack_ptr++;
-#ifdef PERL_FLEXIBLE_EXCEPTIONS
- redo_body:
- CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vcall_body),
- (OP*)&myop, FALSE);
-#else
JMPENV_PUSH(ret);
-#endif
switch (ret) {
case 0:
-#ifndef PERL_FLEXIBLE_EXCEPTIONS
redo_body:
call_body((OP*)&myop, FALSE);
-#endif
retval = PL_stack_sp - (PL_stack_base + oldmark);
if (!(flags & G_KEEPERR))
sv_setpv(ERRSV,"");
return retval;
}
-#ifdef PERL_FLEXIBLE_EXCEPTIONS
-STATIC void *
-S_vcall_body(pTHX_ va_list args)
-{
- OP *myop = va_arg(args, OP*);
- int is_eval = va_arg(args, int);
-
- call_body(myop, is_eval);
- return NULL;
-}
-#endif
-
STATIC void
-S_call_body(pTHX_ OP *myop, int is_eval)
+S_call_body(pTHX_ const OP *myop, bool is_eval)
{
if (PL_op == myop) {
if (is_eval)
if (flags & G_KEEPERR)
myop.op_flags |= OPf_SPECIAL;
-#ifdef PERL_FLEXIBLE_EXCEPTIONS
- redo_body:
- CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vcall_body),
- (OP*)&myop, TRUE);
-#else
/* fail now; otherwise we could fail after the JMPENV_PUSH but
* before a PUSHEVAL, which corrupts the stack after a croak */
TAINT_PROPER("eval_sv()");
JMPENV_PUSH(ret);
-#endif
switch (ret) {
case 0:
-#ifndef PERL_FLEXIBLE_EXCEPTIONS
redo_body:
call_body((OP*)&myop,TRUE);
-#endif
retval = PL_stack_sp - (PL_stack_base + oldmark);
if (!(flags & G_KEEPERR))
sv_setpv(ERRSV,"");
}
void
-Perl_magicname(pTHX_ char *sym, char *name, I32 namlen)
+Perl_magicname(pTHX_ const char *sym, const char *name, I32 namlen)
{
register GV *gv;
}
STATIC void
-S_usage(pTHX_ char *name) /* XXX move this out into a module ? */
+S_usage(pTHX_ const 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 option. Others? */
- static char *usage_msg[] = {
+ static const char *usage_msg[] = {
"-0[octal] specify record separator (\\0, if no argument)",
"-a autosplit mode with -n or -p (splits $_ into @F)",
"-C[number/list] enables the listed Unicode features",
"-d[:debugger] run program under debugger",
"-D[number/list] set debugging flags (argument is a bit mask or alphabets)",
"-e program one line of program (several -e's allowed, omit programfile)",
+"-f don't do $sitelib/sitecustomize.pl at startup",
"-F/pattern/ split() pattern for -a switch (//'s are optional)",
"-i[extension] edit <> files in place (makes backup if extension supplied)",
"-Idirectory specify @INC/#include directory (several -I's allowed)",
"\n",
NULL
};
- char **p = usage_msg;
+ const char **p = usage_msg;
PerlIO_printf(PerlIO_stdout(),
"\nUsage: %s [switches] [--] [programfile] [arguments]",
#ifdef DEBUGGING
int
-Perl_get_debug_opts(pTHX_ char **s, bool givehelp)
+Perl_get_debug_opts(pTHX_ const char **s, bool givehelp)
{
- static char *usage_msgd[] = {
+ static const char *usage_msgd[] = {
" Debugging flag values: (see also -d)",
" p Tokenizing and parsing (with v, displays parse stack)",
" s Stack snapshots (with v, displays all stacks)",
int i = 0;
if (isALPHA(**s)) {
/* if adding extra options, remember to update DEBUG_MASK */
- static char debopts[] = "psltocPmfrxu HXDSTRJvCAq";
+ static const char debopts[] = "psltocPmfrxu HXDSTRJvCAq";
for (; isALNUM(**s); (*s)++) {
- char *d = strchr(debopts,**s);
+ const char *d = strchr(debopts,**s);
if (d)
i |= 1 << (d - debopts);
else if (ckWARN_d(WARN_DEBUGGING))
for (; isALNUM(**s); (*s)++) ;
}
else if (givehelp) {
- char **p = usage_msgd;
+ const char **p = usage_msgd;
while (*p) PerlIO_printf(PerlIO_stdout(), "%s\n", *p++);
}
# ifdef EBCDIC
}
case 'C':
s++;
- PL_unicode = parse_unicode_opts(&s);
+ PL_unicode = parse_unicode_opts( (const char **)&s );
return s;
case 'F':
PL_minus_F = TRUE;
/* The following permits -d:Mod to accepts arguments following an =
in the fashion that -MSome::Mod does. */
if (*s == ':' || *s == '=') {
- char *start;
+ const char *start;
SV *sv;
sv = newSVpv("use Devel::", 0);
start = ++s;
#ifdef DEBUGGING
forbid_setid("-D");
s++;
- PL_debug = get_debug_opts(&s, 1) | DEBUG_TOP_FLAG;
+ PL_debug = get_debug_opts( (const char **)&s, 1) | DEBUG_TOP_FLAG;
#else /* !DEBUGGING */
if (ckWARN_d(WARN_DEBUGGING))
Perl_warner(aTHX_ packWARN(WARN_DEBUGGING),
p++;
} while (*p && *p != '-');
e = savepvn(s, e-s);
- incpush(e, TRUE, TRUE, FALSE);
+ incpush(e, TRUE, TRUE, FALSE, FALSE);
Safefree(e);
s = p;
if (*s == '-')
if (*++s) {
char *start;
SV *sv;
- char *use = "use ";
+ const char *use = "use ";
/* -M-foo == 'no foo' */
if (*s == '-') { use = "no "; ++s; }
sv = newSVpv(use,0);
(void *)upg_version(PL_patchlevel);
#if !defined(DGUX)
PerlIO_printf(PerlIO_stdout(),
- Perl_form(aTHX_ "\nThis is perl, v%_ built for %s",
+ Perl_form(aTHX_ "\nThis is perl, v%"SVf" built for %s",
vstringify(PL_patchlevel),
ARCHNAME));
#else /* DGUX */
/* Adjust verbose output as in the perl that ships with the DG/UX OS from EMC */
PerlIO_printf(PerlIO_stdout(),
- Perl_form(aTHX_ "\nThis is perl, v%_\n",
+ Perl_form(aTHX_ "\nThis is perl, v%"SVf"\n",
vstringify(PL_patchlevel)));
PerlIO_printf(PerlIO_stdout(),
Perl_form(aTHX_ " built under %s at %s %s\n",
#endif
PerlIO_printf(PerlIO_stdout(),
- "\n\nCopyright 1987-2004, Larry Wall\n");
+ "\n\nCopyright 1987-2005, Larry Wall\n");
#ifdef MACOS_TRADITIONAL
PerlIO_printf(PerlIO_stdout(),
"\nMac OS port Copyright 1991-2002, Matthias Neeracher;\n"
SvREFCNT_dec(GvHV(gv));
GvHV(gv) = (HV*)SvREFCNT_inc(PL_defstash);
SvREADONLY_on(gv);
- HvNAME(PL_defstash) = savepv("main");
+ HvNAME(PL_defstash) = savepvn("main", 4);
PL_incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV)));
GvMULTI_on(PL_incgv);
PL_hintgv = gv_fetchpv("\010",TRUE, SVt_PV); /* ^H */
/* PSz 18 Nov 03 fdscript now global but do not change prototype */
STATIC void
-S_open_script(pTHX_ char *scriptname, bool dosearch, SV *sv)
+S_open_script(pTHX_ const char *scriptname, bool dosearch, SV *sv)
{
#ifndef IAMSUID
- char *quote;
- char *code;
- char *cpp_discard_flag;
- char *perl;
+ const char *quote;
+ const char *code;
+ const char *cpp_discard_flag;
+ const char *perl;
#endif
PL_fdscript = -1;
PL_suidscript = -1;
if (PL_e_script) {
- PL_origfilename = savepv("-e");
+ PL_origfilename = savepvn("-e", 2);
}
else {
/* if find_script() returns, it returns a malloc()-ed value */
- PL_origfilename = scriptname = find_script(scriptname, dosearch, NULL, 1);
+ scriptname = PL_origfilename = find_script(scriptname, dosearch, NULL, 1);
if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) {
- char *s = scriptname + 8;
+ const char *s = scriptname + 8;
PL_fdscript = atoi(s);
while (isDIGIT(*s))
s++;
}
scriptname = savepv(s + 1);
Safefree(PL_origfilename);
- PL_origfilename = scriptname;
+ PL_origfilename = (char *)scriptname;
}
}
}
CopFILE_free(PL_curcop);
CopFILE_set(PL_curcop, PL_origfilename);
- if (strEQ(PL_origfilename,"-"))
- scriptname = "";
+ if (*PL_origfilename == '-' && PL_origfilename[1] == '\0')
+ scriptname = (char *)"";
if (PL_fdscript >= 0) {
PL_rsfp = PerlIO_fdopen(PL_fdscript,PERL_SCRIPT_MODE);
# if defined(HAS_FCNTL) && defined(F_SETFD)
}
#else /* IAMSUID */
else if (PL_preprocess) {
- char *cpp_cfg = CPPSTDIN;
+ const char *cpp_cfg = CPPSTDIN;
SV *cpp = newSVpvn("",0);
SV *cmd = NEWSV(0,0);
"PL_preprocess: cmd=\"%s\"\n",
SvPVX(cmd)));
- PL_rsfp = PerlProc_popen(SvPVX(cmd), "r");
+ PL_rsfp = PerlProc_popen(SvPVX(cmd), (char *)"r");
SvREFCNT_dec(cmd);
SvREFCNT_dec(cpp);
}
#endif /* IAMSUID */
STATIC void
-S_validate_suid(pTHX_ char *validarg, char *scriptname)
+S_validate_suid(pTHX_ const char *validarg, const char *scriptname)
{
#ifdef IAMSUID
/* int which; */
/* not set-id, must be wrapped */
}
#endif /* DOSUID */
+ (void)validarg;
+ (void)scriptname;
}
STATIC void
S_find_beginning(pTHX)
{
- register char *s, *s2;
+ register char *s;
+ register const char *s2;
#ifdef MACOS_TRADITIONAL
int maclines = 0;
#endif
int euid = PerlProc_geteuid();
int gid = PerlProc_getgid();
int egid = PerlProc_getegid();
+ (void)envp;
#ifdef VMS
uid |= gid << 16;
}
STATIC void
-S_forbid_setid(pTHX_ char *s)
+S_forbid_setid(pTHX_ const char *s)
{
#ifdef SETUID_SCRIPTS_ARE_SECURE_NOW
if (PL_euid != PL_uid)
PL_DBgv = gv_fetchpv("DB::DB", GV_ADDMULTI, SVt_PVGV);
PL_DBline = gv_fetchpv("DB::dbline", GV_ADDMULTI, SVt_PVAV);
PL_DBsub = gv_HVadd(gv_fetchpv("DB::sub", GV_ADDMULTI, SVt_PVHV));
- sv_upgrade(GvSV(PL_DBsub), SVt_IV); /* IVX accessed if PERLDB_SUB_NN */
PL_DBsingle = GvSV((gv_fetchpv("DB::single", GV_ADDMULTI, SVt_PV)));
sv_setiv(PL_DBsingle, 0);
PL_DBtrace = GvSV((gv_fetchpv("DB::trace", GV_ADDMULTI, SVt_PV)));
}
}
-#ifdef HAS_PROCSELFEXE
-/* This is a function so that we don't hold on to MAXPATHLEN
- bytes of stack longer than necessary
- */
-STATIC void
-S_procself_val(pTHX_ SV *sv, char *arg0)
-{
- char buf[MAXPATHLEN];
- int len = readlink(PROCSELFEXE_PATH, buf, sizeof(buf) - 1);
-
- /* On Playstation2 Linux V1.0 (kernel 2.2.1) readlink(/proc/self/exe)
- includes a spurious NUL which will cause $^X to fail in system
- or backticks (this will prevent extensions from being built and
- many tests from working). readlink is not meant to add a NUL.
- Normal readlink works fine.
- */
- if (len > 0 && buf[len-1] == '\0') {
- len--;
- }
-
- /* FreeBSD's implementation is acknowledged to be imperfect, sometimes
- returning the text "unknown" from the readlink rather than the path
- to the executable (or returning an error from the readlink). Any valid
- path has a '/' in it somewhere, so use that to validate the result.
- See http://www.freebsd.org/cgi/query-pr.cgi?pr=35703
- */
- if (len > 0 && memchr(buf, '/', len)) {
- sv_setpvn(sv,buf,len);
- }
- else {
- sv_setpv(sv,arg0);
- }
-}
-#endif /* HAS_PROCSELFEXE */
-
-STATIC void
-S_set_caret_X(pTHX) {
- GV* tmpgv = gv_fetchpv("\030",TRUE, SVt_PV); /* $^X */
- if (tmpgv) {
-#ifdef HAS_PROCSELFEXE
- S_procself_val(aTHX_ GvSV(tmpgv), PL_origargv[0]);
-#else
-#ifdef OS2
- sv_setpv(GvSV(tmpgv), os2_execname(aTHX));
-#else
- sv_setpv(GvSV(tmpgv),PL_origargv[0]);
-#endif
-#endif
- }
-}
-
STATIC void
S_init_postdump_symbols(pTHX_ register int argc, register char **argv, register char **env)
{
magicname("0", "0", 1);
#endif
}
- S_set_caret_X(aTHX);
if ((PL_envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV))) {
HV *hv;
GvMULTI_on(PL_envgv);
#ifndef VMS
s = PerlEnv_getenv("PERL5LIB");
if (s)
- incpush(s, TRUE, TRUE, TRUE);
+ incpush(s, TRUE, TRUE, TRUE, FALSE);
else
- incpush(PerlEnv_getenv("PERLLIB"), FALSE, FALSE, TRUE);
+ incpush(PerlEnv_getenv("PERLLIB"), FALSE, FALSE, TRUE, 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
char buf[256];
int idx = 0;
if (my_trnlnm("PERL5LIB",buf,0))
- do { incpush(buf,TRUE,TRUE,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx));
+ do { incpush(buf,TRUE,TRUE,TRUE,FALSE); } while (my_trnlnm("PERL5LIB",buf,++idx));
else
- while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE,FALSE,TRUE);
+ while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE,FALSE,TRUE,FALSE);
#endif /* VMS */
}
ARCHLIB PRIVLIB SITEARCH SITELIB VENDORARCH and VENDORLIB
*/
#ifdef APPLLIB_EXP
- incpush(APPLLIB_EXP, TRUE, TRUE, TRUE);
+ incpush(APPLLIB_EXP, TRUE, TRUE, TRUE, TRUE);
#endif
#ifdef ARCHLIB_EXP
- incpush(ARCHLIB_EXP, FALSE, FALSE, TRUE);
+ incpush(ARCHLIB_EXP, FALSE, FALSE, TRUE, TRUE);
#endif
#ifdef MACOS_TRADITIONAL
{
Perl_sv_setpvf(aTHX_ privdir, "%slib:", macperl);
if (PerlLIO_stat(SvPVX(privdir), &tmpstatbuf) >= 0 && S_ISDIR(tmpstatbuf.st_mode))
- incpush(SvPVX(privdir), TRUE, FALSE, TRUE);
+ incpush(SvPVX(privdir), TRUE, FALSE, TRUE, FALSE);
Perl_sv_setpvf(aTHX_ privdir, "%ssite_perl:", macperl);
if (PerlLIO_stat(SvPVX(privdir), &tmpstatbuf) >= 0 && S_ISDIR(tmpstatbuf.st_mode))
- incpush(SvPVX(privdir), TRUE, FALSE, TRUE);
+ incpush(SvPVX(privdir), TRUE, FALSE, TRUE, FALSE);
SvREFCNT_dec(privdir);
}
if (!PL_tainting)
- incpush(":", FALSE, FALSE, TRUE);
+ incpush(":", FALSE, FALSE, TRUE, FALSE);
#else
#ifndef PRIVLIB_EXP
# define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl"
#endif
#if defined(WIN32)
- incpush(PRIVLIB_EXP, TRUE, FALSE, TRUE);
+ incpush(PRIVLIB_EXP, TRUE, FALSE, TRUE, TRUE);
#else
- incpush(PRIVLIB_EXP, FALSE, FALSE, TRUE);
+ incpush(PRIVLIB_EXP, FALSE, FALSE, TRUE, TRUE);
#endif
#ifdef SITEARCH_EXP
/* sitearch is always relative to sitelib on Windows for
* DLL-based path intuition to work correctly */
# if !defined(WIN32)
- incpush(SITEARCH_EXP, FALSE, FALSE, TRUE);
+ incpush(SITEARCH_EXP, FALSE, FALSE, TRUE, TRUE);
# endif
#endif
#ifdef SITELIB_EXP
# if defined(WIN32)
/* this picks up sitearch as well */
- incpush(SITELIB_EXP, TRUE, FALSE, TRUE);
+ incpush(SITELIB_EXP, TRUE, FALSE, TRUE, TRUE);
# else
- incpush(SITELIB_EXP, FALSE, FALSE, TRUE);
+ incpush(SITELIB_EXP, FALSE, FALSE, TRUE, TRUE);
# endif
#endif
#ifdef SITELIB_STEM /* Search for version-specific dirs below here */
- incpush(SITELIB_STEM, FALSE, TRUE, TRUE);
+ incpush(SITELIB_STEM, FALSE, TRUE, TRUE, TRUE);
#endif
#ifdef PERL_VENDORARCH_EXP
/* vendorarch is always relative to vendorlib on Windows for
* DLL-based path intuition to work correctly */
# if !defined(WIN32)
- incpush(PERL_VENDORARCH_EXP, FALSE, FALSE, TRUE);
+ incpush(PERL_VENDORARCH_EXP, FALSE, FALSE, TRUE, TRUE);
# endif
#endif
#ifdef PERL_VENDORLIB_EXP
# if defined(WIN32)
- incpush(PERL_VENDORLIB_EXP, TRUE, FALSE, TRUE); /* this picks up vendorarch as well */
+ incpush(PERL_VENDORLIB_EXP, TRUE, FALSE, TRUE, TRUE); /* this picks up vendorarch as well */
# else
- incpush(PERL_VENDORLIB_EXP, FALSE, FALSE, TRUE);
+ incpush(PERL_VENDORLIB_EXP, FALSE, FALSE, TRUE, TRUE);
# endif
#endif
#ifdef PERL_VENDORLIB_STEM /* Search for version-specific dirs below here */
- incpush(PERL_VENDORLIB_STEM, FALSE, TRUE, TRUE);
+ incpush(PERL_VENDORLIB_STEM, FALSE, TRUE, TRUE, TRUE);
#endif
#ifdef PERL_OTHERLIBDIRS
- incpush(PERL_OTHERLIBDIRS, TRUE, TRUE, TRUE);
+ incpush(PERL_OTHERLIBDIRS, TRUE, TRUE, TRUE, TRUE);
#endif
if (!PL_tainting)
- incpush(".", FALSE, FALSE, TRUE);
+ incpush(".", FALSE, FALSE, TRUE, FALSE);
#endif /* MACOS_TRADITIONAL */
}
}
STATIC void
-S_incpush(pTHX_ char *p, int addsubdirs, int addoldvers, int usesep)
+S_incpush(pTHX_ const char *dir, bool addsubdirs, bool addoldvers, bool usesep,
+ bool canrelocate)
{
SV *subdir = Nullsv;
+ const char *p = dir;
if (!p || !*p)
return;
/* Break at all separators */
while (p && *p) {
SV *libdir = NEWSV(55,0);
- char *s;
+ const char *s;
/* skip any consecutive separators */
if (usesep) {
sv_catpv(libdir, ":");
#endif
+ /* Do the if() outside the #ifdef to avoid warnings about an unused
+ parameter. */
+ if (canrelocate) {
+#ifdef PERL_RELOCATABLE_INC
+ /*
+ * Relocatable include entries are marked with a leading .../
+ *
+ * The algorithm is
+ * 0: Remove that leading ".../"
+ * 1: Remove trailing executable name (anything after the last '/')
+ * from the perl path to give a perl prefix
+ * Then
+ * While the @INC element starts "../" and the prefix ends with a real
+ * directory (ie not . or ..) chop that real directory off the prefix
+ * and the leading "../" from the @INC element. ie a logical "../"
+ * cleanup
+ * Finally concatenate the prefix and the remainder of the @INC element
+ * The intent is that /usr/local/bin/perl and .../../lib/perl5
+ * generates /usr/local/lib/perl5
+ */
+ char *libpath = SvPVX(libdir);
+ STRLEN libpath_len = SvCUR(libdir);
+ if (libpath_len >= 4 && memEQ (libpath, ".../", 4)) {
+ /* Game on! */
+ SV *caret_X = get_sv("\030", 0);
+ /* Going to use the SV just as a scratch buffer holding a C
+ string: */
+ SV *prefix_sv;
+ char *prefix;
+ char *lastslash;
+
+ /* $^X is *the* source of taint if tainting is on, hence
+ SvPOK() won't be true. */
+ assert(caret_X);
+ assert(SvPOKp(caret_X));
+ prefix_sv = newSVpvn(SvPVX(caret_X), SvCUR(caret_X));
+ /* Firstly take off the leading .../
+ If all else fail we'll do the paths relative to the current
+ directory. */
+ sv_chop(libdir, libpath + 4);
+ /* Don't use SvPV as we're intentionally bypassing taining,
+ mortal copies that the mg_get of tainting creates, and
+ corruption that seems to come via the save stack.
+ I guess that the save stack isn't correctly set up yet. */
+ libpath = SvPVX(libdir);
+ libpath_len = SvCUR(libdir);
+
+ /* This would work more efficiently with memrchr, but as it's
+ only a GNU extension we'd need to probe for it and
+ implement our own. Not hard, but maybe not worth it? */
+
+ prefix = SvPVX(prefix_sv);
+ lastslash = strrchr(prefix, '/');
+
+ /* First time in with the *lastslash = '\0' we just wipe off
+ the trailing /perl from (say) /usr/foo/bin/perl
+ */
+ if (lastslash) {
+ SV *tempsv;
+ while ((*lastslash = '\0'), /* Do that, come what may. */
+ (libpath_len >= 3 && memEQ(libpath, "../", 3)
+ && (lastslash = strrchr(prefix, '/')))) {
+ if (lastslash[1] == '\0'
+ || (lastslash[1] == '.'
+ && (lastslash[2] == '/' /* ends "/." */
+ || (lastslash[2] == '/'
+ && lastslash[3] == '/' /* or "/.." */
+ )))) {
+ /* Prefix ends "/" or "/." or "/..", any of which
+ are fishy, so don't do any more logical cleanup.
+ */
+ break;
+ }
+ /* Remove leading "../" from path */
+ libpath += 3;
+ libpath_len -= 3;
+ /* Next iteration round the loop removes the last
+ directory name from prefix by writing a '\0' in
+ the while clause. */
+ }
+ /* prefix has been terminated with a '\0' to the correct
+ length. libpath points somewhere into the libdir SV.
+ We need to join the 2 with '/' and drop the result into
+ libdir. */
+ tempsv = Perl_newSVpvf(aTHX_ "%s/%s", prefix, libpath);
+ SvREFCNT_dec(libdir);
+ /* And this is the new libdir. */
+ libdir = tempsv;
+ if (PL_tainting &&
+ (PL_uid != PL_euid || PL_gid != PL_egid)) {
+ /* Need to taint reloccated paths if running set ID */
+ SvTAINTED_on(libdir);
+ }
+ }
+ SvREFCNT_dec(prefix_sv);
+ }
+#endif
+ }
/*
* BEFORE pushing libdir onto @INC we may first push version- and
* archname-specific sub-directories.
SvFLAGS(PL_thrsv) = SVt_PV;
SvANY(PL_thrsv) = (void*)xpv;
SvREFCNT(PL_thrsv) = 1 << 30; /* practically infinite */
- SvPVX(PL_thrsv) = (char*)thr;
+ SvPV_set(PL_thrsvr, (char*)thr);
SvCUR_set(PL_thrsv, sizeof(thr));
SvLEN_set(PL_thrsv, sizeof(thr));
*SvEND(PL_thrsv) = '\0'; /* in the trailing_nul field */
Perl_call_list(pTHX_ I32 oldscope, AV *paramList)
{
SV *atsv;
- line_t oldline = CopLINE(PL_curcop);
+ const line_t oldline = CopLINE(PL_curcop);
CV *cv;
STRLEN len;
int ret;
dJMPENV;
- while (AvFILL(paramList) >= 0) {
+ while (av_len(paramList) >= 0) {
cv = (CV*)av_shift(paramList);
if (PL_savebegin) {
if (paramList == PL_beginav) {
} else {
SAVEFREESV(cv);
}
-#ifdef PERL_FLEXIBLE_EXCEPTIONS
- CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vcall_list_body), cv);
-#else
JMPENV_PUSH(ret);
-#endif
switch (ret) {
case 0:
-#ifndef PERL_FLEXIBLE_EXCEPTIONS
call_list_body(cv);
-#endif
atsv = ERRSV;
(void)SvPV(atsv, len);
if (len) {
}
}
-#ifdef PERL_FLEXIBLE_EXCEPTIONS
-STATIC void *
-S_vcall_list_body(pTHX_ va_list args)
-{
- CV *cv = va_arg(args, CV*);
- return call_list_body(cv);
-}
-#endif
-
STATIC void *
S_call_list_body(pTHX_ CV *cv)
{
read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen)
{
char *p, *nl;
+ (void)idx;
+ (void)maxlen;
+
p = SvPVX(PL_e_script);
nl = strchr(p, '\n');
nl = (nl) ? nl+1 : SvEND(PL_e_script);
https://perl5.git.perl.org / perl5.git / blobdiff