diff options
Diffstat (limited to 'posix/regex.c')
| -rw-r--r-- | posix/regex.c | 37 |
1 files changed, 17 insertions, 20 deletions
diff --git a/posix/regex.c b/posix/regex.c index 99cf4c31a7..1bd01911f5 100644 --- a/posix/regex.c +++ b/posix/regex.c @@ -4833,26 +4833,23 @@ re_match_2_internal (bufp, string1, size1, string2, size2, pos, regs, stop) } else if ((re_opcode_t) *p2 == charset) { -#ifdef DEBUG - register unsigned char c - = *p2 == (unsigned char) endline ? '\n' : p2[2]; -#endif - -#if 0 - if ((re_opcode_t) p1[3] == exactn - && ! ((int) p2[1] * BYTEWIDTH > (int) p1[5] - && (p2[2 + p1[5] / BYTEWIDTH] - & (1 << (p1[5] % BYTEWIDTH))))) -#else - if ((re_opcode_t) p1[3] == exactn - && ! ((int) p2[1] * BYTEWIDTH > (int) p1[4] - && (p2[2 + p1[4] / BYTEWIDTH] - & (1 << (p1[4] % BYTEWIDTH))))) -#endif - { - p[-3] = (unsigned char) pop_failure_jump; - DEBUG_PRINT3 (" %c != %c => pop_failure_jump.\n", - c, p1[5]); + if ((re_opcode_t) p1[3] == exactn) + { + unsigned char *p1end = &p1[5] + p1[4]; + unsigned char *runp1 = &p1[5]; + + while (runp1 < p1end) + { + if ((int) p2[1] * BYTEWIDTH <= (int) *runp1 + || (p2[2 + *runp1 / BYTEWIDTH] + & (1 << (*runp1 % BYTEWIDTH))) == 0) + { + p[-3] = (unsigned char) pop_failure_jump; + DEBUG_PRINT1 (" No match => pop_failure_jump.\n"); + break; + } + ++runp1; + } } else if ((re_opcode_t) p1[3] == charset_not) |