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Merge pull request #2570 from pacovn/Coverity_1448386_Untrusted_value_as_argument

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lib: untrusted argument (Coverity 1448386)
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Quentin Young 2018-06-27 15:09:34 -04:00 committed by GitHub
commit 7f3ad069d7
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1 changed files with 4 additions and 2 deletions
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6
lib/clippy.c
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@ -31,9 +31,11 @@
#define pychar wchar_t #define pychar wchar_t
static wchar_t *wconv(const char *s) static wchar_t *wconv(const char *s)
{ {
size_t outlen = mbstowcs(NULL, s, 0); size_t outlen = s ? mbstowcs(NULL, s, 0) : 0;
wchar_t *out = malloc((outlen + 1) * sizeof(wchar_t)); wchar_t *out = malloc((outlen + 1) * sizeof(wchar_t));
mbstowcs(out, s, outlen + 1);
if (outlen > 0)
mbstowcs(out, s, outlen);
out[outlen] = 0; out[outlen] = 0;
return out; return out;
} }