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lib: untrusted argument (Coverity 1448386)

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Signed-off-by: F. Aragon <paco@voltanet.io>
This commit is contained in:
paco 2018-06-27 15:50:04 +02:00
parent 71a7b1f82f
commit 45ec351df2
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GPG Key ID: FD112A8C7E6A5E4A
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;
} }