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fix possible null str deref. 

SVN revision: 51698
This commit is contained in:
Carsten Haitzler 2010-08-28 14:45:04 +00:00
parent acac588d58
commit 393c3fda9f
1 changed files with 2 additions and 0 deletions
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2
legacy/embryo/src/lib/embryo_str.c
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@ -439,6 +439,7 @@ _embryo_str_strchr(Embryo_Program *ep, Embryo_Cell *params)
if (params[0] != (2 * sizeof(Embryo_Cell))) return 0;
STRGET(ep, s1, params[1]);
STRGET(ep, s2, params[2]);
if ((!s1) || (!s2)) return -1;
p = strchr(s1, s2[0]);
if (!p) return -1;
return (Embryo_Cell)(p - s1);
@ -454,6 +455,7 @@ _embryo_str_strrchr(Embryo_Program *ep, Embryo_Cell *params)
if (params[0] != (2 * sizeof(Embryo_Cell))) return 0;
STRGET(ep, s1, params[1]);
STRGET(ep, s2, params[2]);
if ((!s1) || (!s2)) return -1;
p = strrchr(s1, s2[0]);
if (!p) return -1;
return (Embryo_Cell)(p - s1);