/* perl.c
*
* Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- * 2000, 2001, 2002, 2003, 2004, 2005, by Larry Wall and others
+ * 2000, 2001, 2002, 2003, 2004, 2005, 2006, 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
}
- PL_rs = newSVpvn("\n", 1);
+ PL_rs = newSVpvs("\n");
init_stacks();
PL_fdpid = newAV(); /* for remembering popen pids by fd */
PL_modglobal = newHV(); /* pointers to per-interpreter module globals */
- PL_errors = newSVpvn("",0);
+ PL_errors = newSVpvs("");
sv_setpvn(PERL_DEBUG_PAD(0), "", 0); /* For regex debugging. */
sv_setpvn(PERL_DEBUG_PAD(1), "", 0); /* ext/re needs these */
sv_setpvn(PERL_DEBUG_PAD(2), "", 0); /* even without DEBUGGING. */
void
Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr)
{
+ dVAR;
Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry);
PL_exitlist[PL_exitlistlen].fn = fn;
PL_exitlist[PL_exitlistlen].ptr = ptr;
STATIC void
S_set_caret_X(pTHX) {
+ dVAR;
GV* tmpgv = gv_fetchpv("\030",TRUE, SVt_PV); /* $^X */
if (tmpgv) {
#ifdef HAS_PROCSELFEXE
PL_origargc = argc;
PL_origargv = argv;
- {
+ if (PL_origalen != 0) {
+ PL_origalen = 1; /* don't use old PL_origalen if perl_parse() is called again */
+ }
+ else {
/* Set PL_origalen be the sum of the contiguous argv[]
* elements plus the size of the env in case that it is
* contiguous with the argv[]. This is used in mg.c:Perl_magic_set()
}
}
/* Can we grab env area too to be used as the area for $0? */
- if (PL_origenviron) {
+ if (s && PL_origenviron) {
if ((PL_origenviron[0] == s + 1
#ifdef OS2
|| (PL_origenviron[0] == s + 9 && (s += 8))
}
}
}
- PL_origalen = s - PL_origargv[0] + 1;
+ PL_origalen = s ? s - PL_origargv[0] + 1 : 0;
}
if (PL_do_undump) {
PL_fdscript = -1;
PL_suidscript = -1;
sv_setpvn(PL_linestr,"",0);
- sv = newSVpvn("",0); /* first used for -I flags */
+ sv = newSVpvs(""); /* first used for -I flags */
SAVEFREESV(sv);
init_main_stash();
#endif
forbid_setid("-e");
if (!PL_e_script) {
- PL_e_script = newSVpvn("",0);
+ PL_e_script = newSVpvs("");
filter_add(read_e_script, NULL);
}
if (*++s)
}
else
Perl_croak(aTHX_ "No code specified for -%c", *s);
- sv_catpv(PL_e_script, "\n");
+ sv_catpvs(PL_e_script, "\n");
break;
case 'f':
STRLEN len = strlen(s);
const char * const p = savepvn(s, len);
incpush(p, TRUE, TRUE, FALSE, FALSE);
- sv_catpvn(sv, "-I", 2);
+ sv_catpvs(sv, "-I");
sv_catpvn(sv, p, len);
- sv_catpvn(sv, " ", 1);
+ sv_catpvs(sv, " ");
Safefree(p);
}
else
if (!PL_preambleav)
PL_preambleav = newAV();
av_push(PL_preambleav,
- newSVpv("use Config;",0));
+ newSVpvs("use Config;"));
if (*++s != ':') {
STRLEN opts;
- opts_prog = newSVpv("print Config::myconfig(),",0);
+ opts_prog = newSVpvs("print Config::myconfig(),");
#ifdef VMS
- sv_catpv(opts_prog,"\"\\nCharacteristics of this PERLSHR image: \\n\",");
+ sv_catpvs(opts_prog,"\"\\nCharacteristics of this PERLSHR image: \\n\",");
#else
- sv_catpv(opts_prog,"\"\\nCharacteristics of this binary (from libperl): \\n\",");
+ sv_catpvs(opts_prog,"\"\\nCharacteristics of this binary (from libperl): \\n\",");
#endif
opts = SvCUR(opts_prog);
/* break the line before that space */
opts = space - pv;
- sv_insert(opts_prog, opts, 0,
- "\\n ", 25);
+ Perl_sv_insert(aTHX_ opts_prog, opts, 0,
+ STR_WITH_LEN("\\n "));
}
- sv_catpv(opts_prog,"\\n\",");
+ sv_catpvs(opts_prog,"\\n\",");
#if defined(LOCAL_PATCH_COUNT)
if (LOCAL_PATCH_COUNT > 0) {
int i;
- sv_catpv(opts_prog,
+ sv_catpvs(opts_prog,
"\" Locally applied patches:\\n\",");
for (i = 1; i <= LOCAL_PATCH_COUNT; i++) {
if (PL_localpatches[i])
__DATE__);
# endif
#endif
- sv_catpv(opts_prog, "; $\"=\"\\n \"; "
+ sv_catpvs(opts_prog, "; $\"=\"\\n \"; "
"@env = map { \"$_=\\\"$ENV{$_}\\\"\" } "
"sort grep {/^PERL/} keys %ENV; ");
#ifdef __CYGWIN__
- sv_catpv(opts_prog,
+ sv_catpvs(opts_prog,
"push @env, \"CYGWIN=\\\"$ENV{CYGWIN}\\\"\";");
#endif
- sv_catpv(opts_prog,
+ sv_catpvs(opts_prog,
"print \" \\%ENV:\\n @env\\n\" if @env;"
"print \" \\@INC:\\n @INC\\n\";");
}
int
perl_run(pTHXx)
{
+ dVAR;
I32 oldscope;
int ret = 0;
dJMPENV;
STATIC void
S_run_body(pTHX_ I32 oldscope)
{
+ dVAR;
DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n",
PL_sawampersand ? "Enabling" : "Omitting"));
/* See G_* flags in cop.h */
/* null terminated arg list */
{
+ dVAR;
dSP;
PUSHMARK(SP);
STATIC void
S_call_body(pTHX_ const OP *myop, bool is_eval)
{
+ dVAR;
if (PL_op == myop) {
if (is_eval)
PL_op = Perl_pp_entereval(aTHX); /* this doesn't do a POPMARK */
/* See G_* flags in cop.h */
{
+ dVAR;
dSP;
UNOP myop; /* fake syntax tree node */
volatile I32 oldmark = SP - PL_stack_base;
SV*
Perl_eval_pv(pTHX_ const char *p, I32 croak_on_error)
{
+ dVAR;
dSP;
SV* sv = newSVpv(p, 0);
void
Perl_require_pv(pTHX_ const char *pv)
{
- SV* sv;
+ dVAR;
dSP;
+ SV* sv;
PUSHSTACKi(PERLSI_REQUIRE);
PUTBACK;
sv = Perl_newSVpvf(aTHX_ "require q%c%s%c", 0, pv, 0);
numlen = 0;
s--;
}
- PL_rs = newSVpvn("", 0);
+ PL_rs = newSVpvs("");
SvGROW(PL_rs, (STRLEN)(UNISKIP(rschar) + 1));
tmps = (U8*)SvPVX(PL_rs);
uvchr_to_utf8(tmps, rschar);
if (rschar & ~((U8)~0))
PL_rs = &PL_sv_undef;
else if (!rschar && numlen >= 2)
- PL_rs = newSVpvn("", 0);
+ PL_rs = newSVpvs("");
else {
char ch = (char)rschar;
PL_rs = newSVpvn(&ch, 1);
in the fashion that -MSome::Mod does. */
if (*s == ':' || *s == '=') {
const char *start;
- SV * const sv = newSVpv("use Devel::", 0);
+ SV * const sv = newSVpvs("use Devel::");
start = ++s;
/* We now allow -d:Module=Foo,Bar */
while(isALNUM(*s) || *s==':') ++s;
Safefree(PL_inplace);
#if defined(__CYGWIN__) /* do backup extension automagically */
if (*(s+1) == '\0') {
- PL_inplace = savepv(".bak");
+ PL_inplace = savepvs(".bak");
return s+1;
}
#endif /* __CYGWIN__ */
if (isDIGIT(*s)) {
I32 flags = 0;
STRLEN numlen;
- PL_ors_sv = newSVpvn("\n",1);
+ PL_ors_sv = newSVpvs("\n");
numlen = 3 + (*s == '0');
*SvPVX(PL_ors_sv) = (char)grok_oct(s, &numlen, &flags, NULL);
s += numlen;
}
else {
if (RsPARA(PL_rs)) {
- PL_ors_sv = newSVpvn("\n\n",2);
+ PL_ors_sv = newSVpvs("\n\n");
}
else {
PL_ors_sv = newSVsv(PL_rs);
s++;
{
char * const start = s;
- SV * const sv = newSVpv("use assertions::activate", 24);
+ SV * const sv = newSVpvs("use assertions::activate");
while(isALNUM(*s) || *s == ':') ++s;
if (s != start) {
- sv_catpvn(sv, "::", 2);
+ sv_catpvs(sv, "::");
sv_catpvn(sv, start, s-start);
}
if (*s == '=') {
if (*(start-1) == 'm') {
if (*s != '\0')
Perl_croak(aTHX_ "Can't use '%c' after -mname", *s);
- sv_catpv( sv, " ()");
+ sv_catpvs( sv, " ()");
}
} else {
if (s == start)
Perl_croak(aTHX_ "Module name required with -%c option",
s[-1]);
sv_catpvn(sv, start, s-start);
- sv_catpv(sv, " split(/,/,q");
- sv_catpvn(sv, "\0)", 1); /* Use NUL as q//-delimiter. */
+ sv_catpvs(sv, " split(/,/,q");
+ sv_catpvs(sv, "\0"); /* Use NUL as q//-delimiter. */
sv_catpv(sv, ++s);
- sv_catpvn(sv, "\0)", 2);
+ sv_catpvs(sv, "\0)");
}
s += strlen(s);
if (!PL_preambleav)
upg_version(PL_patchlevel);
#if !defined(DGUX)
PerlIO_printf(PerlIO_stdout(),
- Perl_form(aTHX_ "\nThis is perl, %"SVf" built for %s",
+ Perl_form(aTHX_ "\nThis is perl, %"SVf
+#ifdef PERL_PATCHNUM
+ " DEVEL" STRINGIFY(PERL_PATCHNUM)
+#endif
+ " built for %s",
vstringify(PL_patchlevel),
ARCHNAME));
#else /* DGUX */
#endif
PerlIO_printf(PerlIO_stdout(),
- "\n\nCopyright 1987-2005, Larry Wall\n");
+ "\n\nCopyright 1987-2006, Larry Wall\n");
#ifdef MACOS_TRADITIONAL
PerlIO_printf(PerlIO_stdout(),
"\nMac OS port Copyright 1991-2002, Matthias Neeracher;\n"
extern int etext;
prog = newSVpv(BIN_EXP, 0);
- sv_catpv(prog, "/perl");
+ sv_catpvs(prog, "/perl");
file = newSVpv(PL_origfilename, 0);
- sv_catpv(file, ".perldump");
+ sv_catpvs(file, ".perldump");
unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0);
/* unexec prints msg to stderr in case of failure */
STATIC void
S_init_interp(pTHX)
{
-
+ dVAR;
#ifdef MULTIPLICITY
# define PERLVAR(var,type)
# define PERLVARA(var,n,type)
STATIC void
S_init_main_stash(pTHX)
{
+ dVAR;
GV *gv;
PL_curstash = PL_defstash = newHV();
/* We know that the string "main" will be in the global shared string
table, so it's a small saving to use it rather than allocate another
8 bytes. */
- PL_curstname = newSVpvn_share("main", 4, 0);
+ PL_curstname = newSVpvs_share("main");
gv = gv_fetchpv("main::",TRUE, SVt_PVHV);
/* If we hadn't caused another reference to "main" to be in the shared
string table above, then it would be worth reordering these two,
PL_suidscript = -1;
if (PL_e_script) {
- PL_origfilename = savepvn("-e", 2);
+ PL_origfilename = savepvs("-e");
}
else {
/* if find_script() returns, it returns a malloc()-ed value */
#else /* IAMSUID */
else if (PL_preprocess) {
const char * const cpp_cfg = CPPSTDIN;
- SV * const cpp = newSVpvn("",0);
+ SV * const cpp = newSVpvs("");
SV * const cmd = NEWSV(0,0);
if (cpp_cfg[0] == 0) /* PERL_MICRO? */
sv_catpv(cpp, cpp_cfg);
# ifndef VMS
- sv_catpvn(sv, "-I", 2);
+ sv_catpvs(sv, "-I");
sv_catpv(sv,PRIVLIB_EXP);
# endif
STATIC void
S_find_beginning(pTHX)
{
+ dVAR;
register char *s;
register const char *s2;
#ifdef MACOS_TRADITIONAL
STATIC void
S_init_ids(pTHX)
{
+ dVAR;
PL_uid = PerlProc_getuid();
PL_euid = PerlProc_geteuid();
PL_gid = PerlProc_getgid();
STATIC void
S_forbid_setid(pTHX_ const char *s)
{
+ dVAR;
#ifdef SETUID_SCRIPTS_ARE_SECURE_NOW
if (PL_euid != PL_uid)
Perl_croak(aTHX_ "No %s allowed while running setuid", s);
void
Perl_init_debugger(pTHX)
{
+ dVAR;
HV * const ostash = PL_curstash;
PL_curstash = PL_debstash;
void
Perl_init_stacks(pTHX)
{
+ dVAR;
/* start with 128-item stack and 8K cxstack */
PL_curstackinfo = new_stackinfo(REASONABLE(128),
REASONABLE(8192/sizeof(PERL_CONTEXT) - 1));
STATIC void
S_nuke_stacks(pTHX)
{
+ dVAR;
while (PL_curstackinfo->si_next)
PL_curstackinfo = PL_curstackinfo->si_next;
while (PL_curstackinfo) {
STATIC void
S_init_lexer(pTHX)
{
+ dVAR;
PerlIO *tmpfp;
tmpfp = PL_rsfp;
PL_rsfp = Nullfp;
lex_start(PL_linestr);
PL_rsfp = tmpfp;
- PL_subname = newSVpvn("main",4);
+ PL_subname = newSVpvs("main");
}
STATIC void
S_init_predump_symbols(pTHX)
{
+ dVAR;
GV *tmpgv;
IO *io;
void
Perl_init_argv_symbols(pTHX_ register int argc, register char **argv)
{
+ dVAR;
argc--,argv++; /* skip name of script */
if (PL_doswitches) {
for (; argc > 0 && **argv == '-'; argc--,argv++) {
break;
}
if ((s = strchr(argv[0], '='))) {
- *s++ = '\0';
- sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s);
+ *s = '\0';
+ sv_setpv(GvSV(gv_fetchpv(argv[0] + 1, TRUE, SVt_PV)), s + 1);
+ *s = '=';
}
else
sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1);
STATIC void
S_init_perllib(pTHX)
{
+ dVAR;
char *s;
if (!PL_tainting) {
#ifndef VMS
STATIC SV *
S_incpush_if_exists(pTHX_ SV *dir)
{
+ dVAR;
Stat_t tmpstatbuf;
if (PerlLIO_stat(SvPVX_const(dir), &tmpstatbuf) >= 0 &&
S_ISDIR(tmpstatbuf.st_mode)) {
S_incpush(pTHX_ const char *dir, bool addsubdirs, bool addoldvers, bool usesep,
bool canrelocate)
{
+ dVAR;
SV *subdir = Nullsv;
const char *p = dir;
if (usesep) {
while ( *p == PERLLIB_SEP ) {
/* Uncomment the next line for PATH semantics */
- /* av_push(GvAVn(PL_incgv), newSVpvn(".", 1)); */
+ /* av_push(GvAVn(PL_incgv), newSVpvs(".")); */
p++;
}
}
sv_setpv(libdir, MacPerl_CanonDir(SvPVX(libdir), buf, 0));
}
if (SvPVX(libdir)[SvCUR(libdir)-1] != ':')
- sv_catpv(libdir, ":");
+ sv_catpvs(libdir, ":");
#endif
/* Do the if() outside the #ifdef to avoid warnings about an unused
sv_upgrade(PL_bodytarget, SVt_PVFM);
sv_setpvn(PL_bodytarget, "", 0);
PL_formtarget = PL_bodytarget;
- thr->errsv = newSVpvn("", 0);
+ thr->errsv = newSVpvs("");
(void) find_threadsv("@"); /* Ensure $@ is initialised early */
PL_maxscream = -1;
PL_curcop = &PL_compiling;
CopLINE_set(PL_curcop, oldline);
if (paramList == PL_beginav)
- sv_catpv(atsv, "BEGIN failed--compilation aborted");
+ sv_catpvs(atsv, "BEGIN failed--compilation aborted");
else
Perl_sv_catpvf(aTHX_ atsv,
"%s failed--call queue aborted",
STATIC void *
S_call_list_body(pTHX_ CV *cv)
{
+ dVAR;
PUSHMARK(PL_stack_sp);
call_sv((SV*)cv, G_EVAL|G_DISCARD);
return NULL;
void
Perl_my_exit(pTHX_ U32 status)
{
+ dVAR;
DEBUG_S(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n",
thr, (unsigned long) status));
switch (status) {
void
Perl_my_failure_exit(pTHX)
{
+ dVAR;
#ifdef VMS
/* We have been called to fall on our sword. The desired exit code
* should be already set in STATUS_UNIX, but could be shifted over
static I32
read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen)
{
+ dVAR;
const char * const p = SvPVX_const(PL_e_script);
const char *nl = strchr(p, '\n');
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