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Fix wcsdup malloc size (#641)

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Other wcs* function expect a full sizeof(wchar_t) NUL char at the end
of the string.
This commit is contained in:
Hugues Morisset 2022-10-02 09:47:05 +02:00 • committed by GitHub
parent 3e0ddf70e9
commit 304cf8869c
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1 changed files with 2 additions and 2 deletions
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4
libc/mem/wcsdup.c
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@ -25,6 +25,6 @@
*/
wchar_t *wcsdup(const wchar_t *s) {
size_t len = wcslen(s);
char *s2 = malloc(len * sizeof(wchar_t) + 1);
return s2 ? memcpy(s2, s, len * sizeof(wchar_t) + 1) : NULL;
char *s2 = malloc((len + 1) * sizeof(wchar_t));
return s2 ? memcpy(s2, s, (len + 1) * sizeof(wchar_t)) : NULL;
}