diff options
Diffstat (limited to 'util.c')
| -rw-r--r-- | util.c | 6 |
1 files changed, 4 insertions, 2 deletions
@@ -455,6 +455,7 @@ Perl_rninstr(pTHX_ register const char *big, const char *bigend, const char *lit } #define PERL_FBM_TABLE_OFFSET 2 /* Number of bytes between EOS and table*/ +#define PERL_FBM_FLAGS_OFFSET_FROM_TABLE -1 /* As a space optimization, we do not compile tables for strings of length 0 and 1, and for strings of length 2 unless FBMcf_TAIL. These are @@ -504,7 +505,7 @@ Perl_fbm_compile(pTHX_ SV *sv, U32 flags) = (unsigned char*)(SvPVX_mutable(sv) + len + PERL_FBM_TABLE_OFFSET); s = table - 1 - PERL_FBM_TABLE_OFFSET; /* last char */ memset((void*)table, mlen, 256); - table[-1] = (U8)flags; + table[PERL_FBM_FLAGS_OFFSET_FROM_TABLE] = (U8)flags; i = 0; sb = s - mlen + 1; /* first char (maybe) */ while (s >= sb) { @@ -723,7 +724,8 @@ Perl_fbm_instr(pTHX_ unsigned char *big, register unsigned char *bigend, SV *lit } } check_end: - if ( s == bigend && (table[-1] & FBMcf_TAIL) + if ( s == bigend + && (table[PERL_FBM_FLAGS_OFFSET_FROM_TABLE] & FBMcf_TAIL) && memEQ((char *)(bigend - littlelen), (char *)(oldlittle - littlelen), littlelen) ) return (char*)bigend - littlelen; |