diff options
Diffstat (limited to 'regex.c')
-rw-r--r-- | regex.c | 19 |
1 files changed, 16 insertions, 3 deletions
@@ -3089,6 +3089,9 @@ re_adjust_startpos(bufp, string, size, startpos, range) } +static int re_match_exec _((struct re_pattern_buffer *, const char *, int, int, int, + struct re_registers *)); + /* Using the compiled pattern in BUFP->buffer, first tries to match STRING, starting first at index STARTPOS, then at STARTPOS + 1, and so on. RANGE is the number of places to try before giving up. If @@ -3109,7 +3112,7 @@ re_search(bufp, string, size, startpos, range, regs) struct re_registers *regs; { register char *fastmap = bufp->fastmap; - int val, anchor = 0; + int val, anchor = 0, initpos = startpos; /* Check for out-of-range starting position. */ if (startpos < 0 || startpos > size) @@ -3238,7 +3241,7 @@ re_search(bufp, string, size, startpos, range, regs) if (startpos > size) return -1; if ((anchor || !bufp->can_be_null) && range > 0 && size > 0 && startpos == size) return -1; - val = re_match(bufp, string, size, startpos, regs); + val = re_match_exec(bufp, string, size, startpos, initpos, regs); if (val >= 0) return startpos; if (val == -2) return -2; @@ -3473,6 +3476,16 @@ re_match(bufp, string_arg, size, pos, regs) int size, pos; struct re_registers *regs; { + return re_match_exec(bufp, string_arg, size, pos, 0, regs); +} + +static int +re_match_exec(bufp, string_arg, size, pos, beg, regs) + struct re_pattern_buffer *bufp; + const char *string_arg; + int size, pos, beg; + struct re_registers *regs; +{ register unsigned char *p = (unsigned char*)bufp->buffer; unsigned char *p1; @@ -3884,7 +3897,7 @@ re_match(bufp, string_arg, size, pos, regs) /* Match at the starting position. */ case begpos: - if (d - string == pos) + if (d - string == beg) break; goto fail; |