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fix overrun (n essentially ignored) in wcsncmp

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bug report and solution by Richard Pennington
This commit is contained in:
Rich Felker
2012-05-26 18:04:17 -04:00
parent 6436b371af
commit 054ba18599
1 changed files with 1 additions and 1 deletions
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2
src/string/wcsncmp.c
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@ -2,6 +2,6 @@
int wcsncmp(const wchar_t *l, const wchar_t *r, size_t n) int wcsncmp(const wchar_t *l, const wchar_t *r, size_t n)
{ {
for (; n && *l==*r && *l && *r; l++, r++); for (; n && *l==*r && *l && *r; n--, l++, r++);
return n ? *l - *r : 0; return n ? *l - *r : 0;
} }