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Prevent trim() from segfaulting on an empty string

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Ian Barwick
2015-03-07 23:45:07 +09:00
parent 03a8f2eaba
commit 2349e182d2
1 changed files with 4 additions and 0 deletions
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4
config.c
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@@ -185,6 +185,10 @@ trim(char *s)
char *s1 = s, char *s1 = s,
*s2 = &s[strlen(s) - 1]; *s2 = &s[strlen(s) - 1];
/* If string is empty, no action needed */
if(s2 < s1)
return s;
/* Trim and delimit right side */ /* Trim and delimit right side */
while ((isspace(*s2)) && (s2 >= s1)) while ((isspace(*s2)) && (s2 >= s1))
--s2; --s2;