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painting: account for index maybe being zero after the preceding change

master
Benno Schulenberg 2017-01-22 10:12:27 +01:00
parent 8441887ec0
commit 1d10d79860
1 changed files with 2 additions and 2 deletions
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4
src/winio.c
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@ -2481,8 +2481,8 @@ void edit_draw(filestruct *fileptr, const char *converted,
/* Begin searching for an end after the start match. */
index += startmatch.rm_eo;
/* If there is no end after this last start, good. */
if (regexec(varnish->end, start_line->data + index,
1, &endmatch, REG_NOTBOL) == REG_NOMATCH)
if (regexec(varnish->end, start_line->data + index, 1, &endmatch,
(index == 0) ? 0 : REG_NOTBOL) == REG_NOMATCH)
break;
/* Begin searching for a new start after the end match. */
index += endmatch.rm_eo;