diff options
Diffstat (limited to 'Src/Modules/regex.c')
| -rw-r--r-- | Src/Modules/regex.c | 33 |
1 files changed, 23 insertions, 10 deletions
diff --git a/Src/Modules/regex.c b/Src/Modules/regex.c index ce57de986..94f523f32 100644 --- a/Src/Modules/regex.c +++ b/Src/Modules/regex.c @@ -115,6 +115,7 @@ zcond_regex_match(char **a, int id) } else { zlong offs; char *ptr; + int clen, leftlen; m = matches; s = metafy(lhstr + m->rm_so, m->rm_eo - m->rm_so, META_DUP); @@ -123,19 +124,25 @@ zcond_regex_match(char **a, int id) * Count the characters before the match. */ ptr = lhstr; + leftlen = m->rm_so; offs = 0; - MB_METACHARINIT(); - while (ptr < lhstr + m->rm_so) { + MB_CHARINIT(); + while (leftlen) { offs++; - ptr += MB_METACHARLEN(ptr); + clen = MB_CHARLEN(ptr, leftlen); + ptr += clen; + leftlen -= clen; } setiparam("MBEGIN", offs + !isset(KSHARRAYS)); /* * Add on the characters in the match. */ - while (ptr < lhstr + m->rm_eo) { + leftlen = m->rm_eo - m->rm_so; + while (leftlen) { offs++; - ptr += MB_METACHARLEN(ptr); + clen = MB_CHARLEN(ptr, leftlen); + ptr += clen; + leftlen -= clen; } setiparam("MEND", offs + !isset(KSHARRAYS) - 1); if (nelem) { @@ -149,19 +156,25 @@ zcond_regex_match(char **a, int id) { char buf[DIGBUFSIZE]; ptr = lhstr; + leftlen = m->rm_so; offs = 0; /* Find the start offset */ - MB_METACHARINIT(); - while (ptr < lhstr + m->rm_so) { + MB_CHARINIT(); + while (leftlen) { offs++; - ptr += MB_METACHARLEN(ptr); + clen = MB_CHARLEN(ptr, leftlen); + ptr += clen; + leftlen -= clen; } convbase(buf, offs + !isset(KSHARRAYS), 10); *bptr = ztrdup(buf); /* Continue to the end offset */ - while (ptr < lhstr + m->rm_eo) { + leftlen = m->rm_eo - m->rm_so; + while (leftlen ) { offs++; - ptr += MB_METACHARLEN(ptr); + clen = MB_CHARLEN(ptr, leftlen); + ptr += clen; + leftlen -= clen; } convbase(buf, offs + !isset(KSHARRAYS) - 1, 10); *eptr = ztrdup(buf); |