diff options
Diffstat (limited to 'posix/regex.c')
| -rw-r--r-- | posix/regex.c | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/posix/regex.c b/posix/regex.c index 1bd01911f5..16e91f1514 100644 --- a/posix/regex.c +++ b/posix/regex.c @@ -4833,23 +4833,15 @@ re_match_2_internal (bufp, string1, size1, string2, size2, pos, regs, stop) } else if ((re_opcode_t) *p2 == charset) { - if ((re_opcode_t) p1[3] == exactn) + /* We win if the first character of the loop is not part + of the charset. */ + if ((re_opcode_t) p1[3] == exactn + && ! ((int) p2[1] * BYTEWIDTH > (int) p1[5] + && (p2[2 + p1[5] / BYTEWIDTH] + & (1 << (p1[5] % BYTEWIDTH))))) { - 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; - } + p[-3] = (unsigned char) pop_failure_jump; + DEBUG_PRINT1 (" No match => pop_failure_jump.\n"); } else if ((re_opcode_t) p1[3] == charset_not) |