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users/17046: don't count too many elements when splitting quoted parameter

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substitution on null parameter
This commit is contained in:
Peter Stephenson 2012-05-01 19:43:44 +00:00
parent 8da652f6ae
commit cd1b5d86e0
3 changed files with 23 additions and 3 deletions
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2
Src/utils.c
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@ -3114,7 +3114,7 @@ wordcount(char *s, char *sep, int mul)
r = 1;
sl = strlen(sep);
for (; (c = findsep(&s, sep, 0)) >= 0; s += sl)
if ((c && *(s + sl)) || mul)
if ((c || mul) && (sl || *(s + sl)))
r++;
} else {
char *t = s;