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Add touch_file() utility function

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Andrew Ayer
2014-06-22 15:14:19 -07:00
parent 38b43a4415
commit e6bb66b93a
3 changed files with 29 additions and 0 deletions
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19
util-win32.cpp
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@@ -320,6 +320,25 @@ bool successful_exit (int status)
return status == 0;
}
void touch_file (const std::string& filename)
{
HANDLE fh = CreateFileA(filename.c_str(), FILE_WRITE_ATTRIBUTES, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
if (fh == INVALID_HANDLE_VALUE) {
throw System_error("CreateFileA", filename, GetLastError());
}
SYSTEMTIME system_time;
GetSystemTime(&system_time);
FILETIME file_time;
SystemTimeToFileTime(&system_time, &file_time);
if (!SetFileTime(fh, NULL, NULL, &file_time)) {
DWORD error = GetLastError();
CloseHandle(fh);
throw System_error("SetFileTime", filename, error);
}
CloseHandle(fh);
}
static void init_std_streams_platform ()
{
_setmode(_fileno(stdin), _O_BINARY);