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system/Error: add IsFileNotFound()

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This commit is contained in:
Max Kellermann 2015-12-18 00:54:08 +01:00
parent 1098d271b8
commit 93f4590453
1 changed files with 14 additions and 0 deletions
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14
src/system/Error.hxx
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@ -31,6 +31,7 @@
#define SYSTEM_ERROR_HXX #define SYSTEM_ERROR_HXX
#include "util/StringUtil.hxx" #include "util/StringUtil.hxx"
#include "Compiler.h"
#include <system_error> #include <system_error>
#include <utility> #include <utility>
@ -106,4 +107,17 @@ FormatErrno(const char *fmt, Args&&... args)
#endif #endif
gcc_pure
static inline bool
IsFileNotFound(const std::system_error &e)
{
#ifdef WIN32
return e.code().category() == std::system_category() &&
e.code().value() == ERROR_FILE_NOT_FOUND;
#else
return e.code().category() == std::system_category() &&
e.code().value() == ENOENT;
#endif
}
#endif #endif