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Cross-compiler noreturn support.

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This commit is contained in:
stag019
2014-12-31 04:11:06 -05:00
parent 9b4959cb75
commit f0e5c5ccc8
4 changed files with 26 additions and 9 deletions
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9
include/extern/err.h vendored
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@@ -29,6 +29,7 @@
#else
#include <stdarg.h>
#include "extern/stdnoreturn.h"
#define warn rgbds_warn
#define vwarn rgbds_vwarn
@@ -49,10 +50,10 @@ void vwarn(const char *, va_list);
void warnx(const char *, ...);
void vwarnx(const char *, va_list);
_Noreturn void err(int, const char *, ...);
_Noreturn void verr(int, const char *, va_list);
_Noreturn void errx(int, const char *, ...);
_Noreturn void verrx(int, const char *, va_list);
noreturn void err(int, const char *, ...);
noreturn void verr(int, const char *, va_list);
noreturn void errx(int, const char *, ...);
noreturn void verrx(int, const char *, va_list);
#ifdef __cplusplus
}

16
include/extern/stdnoreturn.h vendored Normal file
View File

@@ -0,0 +1,16 @@
#if _MSC_VER >= 1310
// MS Visual Studio 2003/.NET Framework 1.1 or newer
#define noreturn _declspec( noreturn)
#elif __GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ >= 5))
// GCC 2.5 or newer
#define noreturn __attribute__ ((noreturn))
#elif __cplusplus >= 201103L
// C++11 or newer
#define noreturn [[noreturn]]
#elif __STDC_VERSION__ >= 201112L
// C11 or newer
#define noreturn _Noreturn
#else
// unsupported, but no need to throw a fit
#define noreturn
#endif