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18916: unsetting IFS could cause segfault

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Peter Stephenson 2003-08-01 09:55:38 +00:00
parent 795d7872b6
commit 74678a3435
2 changed files with 11 additions and 4 deletions
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ChangeLog
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@ -1,3 +1,8 @@
2003-08-01 Peter Stephenson <pws@csr.com>
* 18916: Src/utils.c: Unsetting IFS could cause segmentation
fault (any time IFS was used to join an array).
2003-07-31 Oliver Kiddle <opk@zsh.org> 2003-07-31 Oliver Kiddle <opk@zsh.org>
* 18914: Completion/Base/Utility/_nothing, * 18914: Completion/Base/Utility/_nothing,

10
Src/utils.c
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@ -2054,10 +2054,12 @@ sepjoin(char **s, char *sep, int heap)
if (!*s) if (!*s)
return heap ? "" : ztrdup(""); return heap ? "" : ztrdup("");
if (!sep) { if (!sep) {
sep = sepbuf; p = sep = sepbuf;
sepbuf[0] = *ifs; if (ifs) {
sepbuf[1] = *ifs == Meta ? ifs[1] ^ 32 : '\0'; *p++ = *ifs;
sepbuf[2] = '\0'; *p++ = *ifs == Meta ? ifs[1] ^ 32 : '\0';
}
*p = '\0';
} }
sl = strlen(sep); sl = strlen(sep);
for (t = s, l = 1 - sl; *t; l += strlen(*t) + sl, t++); for (t = s, l = 1 - sl; *t; l += strlen(*t) + sl, t++);