diff options
Diffstat (limited to 'pcre/pcretest.c')
-rw-r--r-- | pcre/pcretest.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/pcre/pcretest.c b/pcre/pcretest.c index 488e419462e..78ef5177df7 100644 --- a/pcre/pcretest.c +++ b/pcre/pcretest.c @@ -2250,7 +2250,7 @@ data is not zero. */ static int callout(pcre_callout_block *cb) { FILE *f = (first_callout | callout_extra)? outfile : NULL; -int i, pre_start, post_start, subject_length; +int i, current_position, pre_start, post_start, subject_length; if (callout_extra) { @@ -2280,14 +2280,19 @@ printed lengths of the substrings. */ if (f != NULL) fprintf(f, "--->"); +/* If a lookbehind is involved, the current position may be earlier than the +match start. If so, use the match start instead. */ + +current_position = (cb->current_position >= cb->start_match)? + cb->current_position : cb->start_match; + PCHARS(pre_start, cb->subject, 0, cb->start_match, f); PCHARS(post_start, cb->subject, cb->start_match, - cb->current_position - cb->start_match, f); + current_position - cb->start_match, f); PCHARS(subject_length, cb->subject, 0, cb->subject_length, NULL); -PCHARSV(cb->subject, cb->current_position, - cb->subject_length - cb->current_position, f); +PCHARSV(cb->subject, current_position, cb->subject_length - current_position, f); if (f != NULL) fprintf(f, "\n"); @@ -5612,6 +5617,12 @@ while (!done) break; } + if (use_size_offsets < 2) + { + fprintf(outfile, "Cannot do global matching with an ovector size < 2\n"); + break; + } + /* If we have matched an empty string, first check to see if we are at the end of the subject. If so, the /g loop is over. Otherwise, mimic what Perl's /g options does. This turns out to be rather cunning. First we set @@ -5740,3 +5751,4 @@ return yield; } /* End of pcretest.c */ + |