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| author | Peter Stephenson <pws@users.sourceforge.net> | 2003-08-01 09:55:38 +0000 |
|---|---|---|
| committer | Peter Stephenson <pws@users.sourceforge.net> | 2003-08-01 09:55:38 +0000 |
| commit | 74678a3435b92d2376f5ad2a648b0350884c70cc (patch) | |
| tree | 05d49cd5f965d7796ff4b091ea33edbab833a667 /Src/utils.c | |
| parent | 795d7872b61c44acabb79bb524dc040a6a998a9f (diff) | |
| download | zsh-74678a3435b92d2376f5ad2a648b0350884c70cc.tar.gz zsh-74678a3435b92d2376f5ad2a648b0350884c70cc.tar.xz zsh-74678a3435b92d2376f5ad2a648b0350884c70cc.zip | |
18916: unsetting IFS could cause segfault
Diffstat (limited to 'Src/utils.c')
| -rw-r--r-- | Src/utils.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/Src/utils.c b/Src/utils.c index dd8794ca6..c83268422 100644 --- a/Src/utils.c +++ b/Src/utils.c @@ -2054,10 +2054,12 @@ sepjoin(char **s, char *sep, int heap) if (!*s) return heap ? "" : ztrdup(""); if (!sep) { - sep = sepbuf; - sepbuf[0] = *ifs; - sepbuf[1] = *ifs == Meta ? ifs[1] ^ 32 : '\0'; - sepbuf[2] = '\0'; + p = sep = sepbuf; + if (ifs) { + *p++ = *ifs; + *p++ = *ifs == Meta ? ifs[1] ^ 32 : '\0'; + } + *p = '\0'; } sl = strlen(sep); for (t = s, l = 1 - sl; *t; l += strlen(*t) + sl, t++); |