{
dVAR;
register const unsigned char *big;
- register I32 pos;
+ U32 pos = 0; /* hush a gcc warning */
register I32 previous;
register I32 first;
register const unsigned char *little;
register I32 stop_pos;
register const unsigned char *littleend;
- I32 found = 0;
+ bool found = FALSE;
+ const MAGIC * mg;
+ const void *screamnext_raw = NULL; /* hush a gcc warning */
+ bool cant_find = FALSE; /* hush a gcc warning */
PERL_ARGS_ASSERT_SCREAMINSTR;
+ assert(SvMAGICAL(bigstr));
+ mg = mg_find(bigstr, PERL_MAGIC_study);
+ assert(mg);
assert(SvTYPE(littlestr) == SVt_PVMG);
assert(SvVALID(littlestr));
- if (*old_posp == -1
- ? (pos = PL_screamfirst[BmRARE(littlestr)]) < 0
- : (((pos = *old_posp), pos += PL_screamnext[pos]) == 0)) {
+ if (mg->mg_private == 1) {
+ const U8 *const screamfirst = (U8 *)mg->mg_ptr;
+ const U8 *const screamnext = screamfirst + 256;
+
+ screamnext_raw = (const void *)screamnext;
+
+ pos = *old_posp == -1
+ ? screamfirst[BmRARE(littlestr)] : screamnext[*old_posp];
+ cant_find = pos == (U8)~0;
+ } else if (mg->mg_private == 2) {
+ const U16 *const screamfirst = (U16 *)mg->mg_ptr;
+ const U16 *const screamnext = screamfirst + 256;
+
+ screamnext_raw = (const void *)screamnext;
+
+ pos = *old_posp == -1
+ ? screamfirst[BmRARE(littlestr)] : screamnext[*old_posp];
+ cant_find = pos == (U16)~0;
+ } else if (mg->mg_private == 4) {
+ const U32 *const screamfirst = (U32 *)mg->mg_ptr;
+ const U32 *const screamnext = screamfirst + 256;
+
+ screamnext_raw = (const void *)screamnext;
+
+ pos = *old_posp == -1
+ ? screamfirst[BmRARE(littlestr)] : screamnext[*old_posp];
+ cant_find = pos == (U32)~0;
+ } else
+ Perl_croak(aTHX_ "panic: unknown study size %u", mg->mg_private);
+
+ if (cant_find) {
cant_find:
if ( BmRARE(littlestr) == '\n'
&& BmPREVIOUS(littlestr) == SvCUR(littlestr) - 1) {
#endif
return NULL;
}
- while (pos < previous + start_shift) {
- if (!(pos += PL_screamnext[pos]))
- goto cant_find;
+ if (mg->mg_private == 1) {
+ const U8 *const screamnext = (const U8 *const) screamnext_raw;
+ while ((I32)pos < previous + start_shift) {
+ pos = screamnext[pos];
+ if (pos == (U8)~0)
+ goto cant_find;
+ }
+ } else if (mg->mg_private == 2) {
+ const U16 *const screamnext = (const U16 *const) screamnext_raw;
+ while ((I32)pos < previous + start_shift) {
+ pos = screamnext[pos];
+ if (pos == (U16)~0)
+ goto cant_find;
+ }
+ } else if (mg->mg_private == 4) {
+ const U32 *const screamnext = (const U32 *const) screamnext_raw;
+ while ((I32)pos < previous + start_shift) {
+ pos = screamnext[pos];
+ if (pos == (U32)~0)
+ goto cant_find;
+ }
}
big -= previous;
- do {
- register const unsigned char *s, *x;
- if (pos >= stop_pos) break;
- if (big[pos] != first)
- continue;
- for (x=big+pos+1,s=little; s < littleend; /**/ ) {
- if (*s++ != *x++) {
- s--;
- break;
+ while (1) {
+ if ((I32)pos >= stop_pos) break;
+ if (big[pos] == first) {
+ const unsigned char *s = little;
+ const unsigned char *x = big + pos + 1;
+ while (s < littleend) {
+ if (*s != *x++)
+ break;
+ ++s;
+ }
+ if (s == littleend) {
+ *old_posp = (I32)pos;
+ if (!last) return (char *)(big+pos);
+ found = TRUE;
}
}
- if (s == littleend) {
- *old_posp = pos;
- if (!last) return (char *)(big+pos);
- found = 1;
+ if (mg->mg_private == 1) {
+ pos = ((const U8 *const)screamnext_raw)[pos];
+ if (pos == (U8)~0)
+ break;
+ } else if (mg->mg_private == 2) {
+ pos = ((const U16 *const)screamnext_raw)[pos];
+ if (pos == (U16)~0)
+ break;
+ } else if (mg->mg_private == 4) {
+ pos = ((const U32 *const)screamnext_raw)[pos];
+ if (pos == (U32)~0)
+ break;
}
- } while ( pos += PL_screamnext[pos] );
+ };
if (last && found)
return (char *)(big+(*old_posp));
check_tail:
MGVTBL*
Perl_get_vtbl(pTHX_ int vtbl_id)
{
- const MGVTBL* result;
PERL_UNUSED_CONTEXT;
- switch(vtbl_id) {
- case want_vtbl_sv:
- result = &PL_vtbl_sv;
- break;
- case want_vtbl_env:
- result = &PL_vtbl_env;
- break;
- case want_vtbl_envelem:
- result = &PL_vtbl_envelem;
- break;
- case want_vtbl_sig:
- result = &PL_vtbl_sig;
- break;
- case want_vtbl_sigelem:
- result = &PL_vtbl_sigelem;
- break;
- case want_vtbl_pack:
- result = &PL_vtbl_pack;
- break;
- case want_vtbl_packelem:
- result = &PL_vtbl_packelem;
- break;
- case want_vtbl_dbline:
- result = &PL_vtbl_dbline;
- break;
- case want_vtbl_isa:
- result = &PL_vtbl_isa;
- break;
- case want_vtbl_isaelem:
- result = &PL_vtbl_isaelem;
- break;
- case want_vtbl_arylen:
- result = &PL_vtbl_arylen;
- break;
- case want_vtbl_mglob:
- result = &PL_vtbl_mglob;
- break;
- case want_vtbl_nkeys:
- result = &PL_vtbl_nkeys;
- break;
- case want_vtbl_taint:
- result = &PL_vtbl_taint;
- break;
- case want_vtbl_substr:
- result = &PL_vtbl_substr;
- break;
- case want_vtbl_vec:
- result = &PL_vtbl_vec;
- break;
- case want_vtbl_pos:
- result = &PL_vtbl_pos;
- break;
- case want_vtbl_bm:
- result = &PL_vtbl_bm;
- break;
- case want_vtbl_fm:
- result = &PL_vtbl_fm;
- break;
- case want_vtbl_uvar:
- result = &PL_vtbl_uvar;
- break;
- case want_vtbl_defelem:
- result = &PL_vtbl_defelem;
- break;
- case want_vtbl_regexp:
- result = &PL_vtbl_regexp;
- break;
- case want_vtbl_regdata:
- result = &PL_vtbl_regdata;
- break;
- case want_vtbl_regdatum:
- result = &PL_vtbl_regdatum;
- break;
-#ifdef USE_LOCALE_COLLATE
- case want_vtbl_collxfrm:
- result = &PL_vtbl_collxfrm;
- break;
-#endif
- case want_vtbl_amagic:
- result = &PL_vtbl_amagic;
- break;
- case want_vtbl_amagicelem:
- result = &PL_vtbl_amagicelem;
- break;
- case want_vtbl_backref:
- result = &PL_vtbl_backref;
- break;
- case want_vtbl_utf8:
- result = &PL_vtbl_utf8;
- break;
- default:
- result = NULL;
- break;
- }
- return (MGVTBL*)result;
+ return (vtbl_id < 0 || vtbl_id >= magic_vtable_max)
+ ? NULL : PL_magic_vtables + vtbl_id;
}
I32
}
}
+ /* and we never support negative versions */
+ if ( *d == '-') {
+ BADVERSION(s,errstr,"Invalid version format (negative version number)");
+ }
+
/* consume all of the integer part */
while (isDIGIT(*d))
d++;
}
#else
/* In any case have a stub so that there's code corresponding
- * to the my_socketpair in global.sym. */
+ * to the my_socketpair in embed.fnc. */
int
Perl_my_socketpair (int family, int type, int protocol, int fd[2]) {
#ifdef HAS_SOCKETPAIR
# undef PERLVARA
# undef PERLVARI
# undef PERLVARIC
-# undef PERLVARISC
-# define PERLVAR(var,type) /**/
-# define PERLVARA(var,n,type) /**/
-# define PERLVARI(var,type,init) plvarsp->var = init;
-# define PERLVARIC(var,type,init) plvarsp->var = init;
-# define PERLVARISC(var,init) Copy(init, plvarsp->var, sizeof(init), char);
+# define PERLVAR(prefix,var,type) /**/
+# define PERLVARA(prefix,var,n,type) /**/
+# define PERLVARI(prefix,var,type,init) plvarsp->prefix##var = init;
+# define PERLVARIC(prefix,var,type,init) plvarsp->prefix##var = init;
# include "perlvars.h"
# undef PERLVAR
# undef PERLVARA
# undef PERLVARI
# undef PERLVARIC
-# undef PERLVARISC
# ifdef PERL_GLOBAL_STRUCT
plvarsp->Gppaddr =
(Perl_ppaddr_t*)
https://perl5.git.perl.org / perl5.git / blobdiff