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unposted (per 43938): Avoid segfault when unmetafying empty string

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dana 2018-12-30 03:42:07 -06:00
parent 162c198aab
commit 7951ede1db
2 changed files with 6 additions and 1 deletions
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ChangeLog
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@ -1,3 +1,8 @@
2018-12-30 dana <dana@dana.is>
* unposted (per 43938): Src/utils.c: Avoid segfault when
unmetafying empty string
2018-12-29 dana <dana@dana.is> 2018-12-29 dana <dana@dana.is>
* 43953 (tweaked per 43954): Src/utils.c, Test/V09datetime.ztst: * 43953 (tweaked per 43954): Src/utils.c, Test/V09datetime.ztst:

2
Src/utils.c
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@ -3846,7 +3846,7 @@ sepjoin(char **s, char *sep, int heap)
char sepbuf[2]; char sepbuf[2];
if (!*s) if (!*s)
return heap ? "" : ztrdup(""); return heap ? dupstring("") : ztrdup("");
if (!sep) { if (!sep) {
/* optimise common case that ifs[0] is space */ /* optimise common case that ifs[0] is space */
if (ifs && *ifs != ' ') { if (ifs && *ifs != ' ') {