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[KERNEL32] sync GetTempPathW with wine wine-1.7.50

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svn path=/trunk/; revision=68797
This commit is contained in:
Christoph von Wittich 2015-08-23 06:53:08 +00:00
parent c652a5f2c9
commit 190095e160
1 changed files with 11 additions and 6 deletions
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17
reactos/dll/win32/kernel32/client/path.c
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@ -2116,13 +2116,18 @@ GetTempPathW(IN DWORD count,
ret++; /* add space for terminating 0 */
if (count)
if (count >= ret)
{
lstrcpynW(path, full_tmp_path, count);
if (count >= ret)
ret--; /* return length without 0 */
else if (count < 4)
path[0] = 0; /* avoid returning ambiguous "X:" */
lstrcpynW(path, tmp_path, count);
/* the remaining buffer must be zeroed up to 32766 bytes in XP or 32767
* bytes after it, we will assume the > XP behavior for now */
memset(path + ret, 0, (min(count, 32767) - ret) * sizeof(WCHAR));
ret--; /* return length without 0 */
}
else if (count)
{
/* the buffer must be cleared if contents will not fit */
memset(path, 0, count * sizeof(WCHAR));
}
DPRINT("GetTempPathW returning %u, %S\n", ret, path);