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cygcheck: Fix broken test for invalid wcstombs conversion reading symlinks 

Fixes Coverity CID 66905

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen 2016-10-22 22:53:29 +02:00
parent 7909b528e5
commit bbeef8ef3f
1 changed files with 6 additions and 6 deletions
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12
winsup/utils/path.cc
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@ -220,10 +220,10 @@ readlink (HANDLE fh, char *path, int maxlen)
}
if (*(PWCHAR) cp == 0xfeff) /* BOM */
{
len = wcstombs (NULL, (wchar_t *) (cp + 2), 0);
if (len == (size_t) -1 || len + 1 > maxlen)
size_t wlen = wcstombs (NULL, (wchar_t *) (cp + 2), 0);
if (wlen == (size_t) -1 || wlen + 1 > maxlen)
return false;
wcstombs (path, (wchar_t *) (cp + 2), len + 1);
wcstombs (path, (wchar_t *) (cp + 2), wlen + 1);
}
else if (len + 1 > maxlen)
return false;
@ -238,10 +238,10 @@ readlink (HANDLE fh, char *path, int maxlen)
cp = buf + strlen (SYMLINK_COOKIE);
if (*(PWCHAR) cp == 0xfeff) /* BOM */
{
len = wcstombs (NULL, (wchar_t *) (cp + 2), 0);
if (len == (size_t) -1 || len + 1 > maxlen)
size_t wlen = wcstombs (NULL, (wchar_t *) (cp + 2), 0);
if (wlen == (size_t) -1 || wlen + 1 > maxlen)
return false;
wcstombs (path, (wchar_t *) (cp + 2), len + 1);
wcstombs (path, (wchar_t *) (cp + 2), wlen + 1);
}
else if (fi.nFileSizeLow - strlen (SYMLINK_COOKIE) > (unsigned) maxlen)
return false;