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painting: advance only when both start /and/ end match are zero-length

master
Benno Schulenberg 2017-01-21 19:35:11 +01:00
parent 775f007348
commit 8441887ec0
1 changed files with 6 additions and 10 deletions
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16
src/winio.c
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@ -2480,20 +2480,15 @@ void edit_draw(filestruct *fileptr, const char *converted,
while (TRUE) {
/* Begin searching for an end after the start match. */
index += startmatch.rm_eo;
/* If the start match is of length zero, step ahead. */
if (startmatch.rm_so == startmatch.rm_eo) {
if (start_line->data[index] == '\0')
break;
index = move_mbright(start_line->data, index);
}
/* If there is no end after this last start, good. */
if (regexec(varnish->end, start_line->data + index,
1, &endmatch, REG_NOTBOL) == REG_NOMATCH)
break;
/* Begin searching for a new start after the end match. */
index += endmatch.rm_eo;
/* If the end match is of length zero, step ahead. */
if (endmatch.rm_so == endmatch.rm_eo) {
/* If both start and end match are mere anchors, advance. */
if (startmatch.rm_so == startmatch.rm_eo &&
endmatch.rm_so == endmatch.rm_eo) {
if (start_line->data[index] == '\0')
break;
index = move_mbright(start_line->data, index);
@ -2578,8 +2573,9 @@ void edit_draw(filestruct *fileptr, const char *converted,
#endif
}
index = endmatch.rm_eo;
/* If the end match is of length zero, step ahead. */
if (endmatch.rm_so == endmatch.rm_eo) {
/* If both start and end match are anchors, advance. */
if (startmatch.rm_so == startmatch.rm_eo &&
endmatch.rm_so == endmatch.rm_eo) {
if (fileptr->data[index] == '\0')
break;
index = move_mbright(fileptr->data, index);