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Fix a bug in Windows resource file detection.

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The magic bytes should not include the trailing NUL byte.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192769 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rui Ueyama 2013-10-16 03:29:49 +00:00
parent a2ef865fa9
commit 86df596c41
1 changed files with 1 additions and 1 deletions
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2
lib/Support/Path.cpp
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@ -849,7 +849,7 @@ error_code has_magic(const Twine &path, const Twine &magic, bool &result) {
switch ((unsigned char)Magic[0]) { switch ((unsigned char)Magic[0]) {
case 0x00: { case 0x00: {
// Windows resource file // Windows resource file
const char Expected[] = "\0\0\0\0\x20\0\0\0\xff"; const char Expected[] = { 0, 0, 0, 0, '\x20', 0, 0, 0, '\xff' };
if (Magic.size() >= sizeof(Expected) && if (Magic.size() >= sizeof(Expected) &&
memcmp(Magic.data(), Expected, sizeof(Expected)) == 0) memcmp(Magic.data(), Expected, sizeof(Expected)) == 0)
return file_magic::windows_resource; return file_magic::windows_resource;