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Do not loop forever when search finds an empty match, GitHub issue 2203.

pull/2219/head
nicm 2020-05-16 16:03:57 +00:00
parent 592f141dee
commit 126bacb473
1 changed files with 4 additions and 1 deletions
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5
window-copy.c
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@ -2445,7 +2445,8 @@ window_copy_search_lr_regex(struct grid *gd, u_int *ppx, u_int *psx, u_int py,
len += gd->sx;
}
if (regexec(reg, buf, 1, &regmatch, eflags) == 0) {
if (regexec(reg, buf, 1, &regmatch, eflags) == 0 &&
regmatch.rm_so != regmatch.rm_eo) {
foundx = first;
foundy = py;
window_copy_cstrtocellpos(gd, len, &foundx, &foundy,
@ -2547,6 +2548,8 @@ window_copy_last_regex(struct grid *gd, u_int py, u_int first, u_int last,
foundy = py;
oldx = first;
while (regexec(preg, buf + px, 1, &regmatch, eflags) == 0) {
if (regmatch.rm_so == regmatch.rm_eo)
break;
window_copy_cstrtocellpos(gd, len, &foundx, &foundy,
buf + px + regmatch.rm_so);
if (foundy > py || foundx >= last)