diff options
| -rw-r--r-- | CMakeLists.txt | 3 | ||||
| -rw-r--r-- | OpenAL32/Include/alMain.h | 8 | ||||
| -rw-r--r-- | config.h.in | 3 |
3 files changed, 13 insertions, 1 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 8c60a11e..1577e054 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -136,6 +136,9 @@ ELSE() ENDIF() ENDIF() +CHECK_C_SOURCE_COMPILES("int foo(const char *str, ...) __attribute__((format(printf, 1, 2))); + int main() {return 0;}" HAVE_GCC_FORMAT) + CHECK_INCLUDE_FILE(fenv.h HAVE_FENV_H) CHECK_INCLUDE_FILE(float.h HAVE_FLOAT_H) diff --git a/OpenAL32/Include/alMain.h b/OpenAL32/Include/alMain.h index 47f1adfa..48ea9a8a 100644 --- a/OpenAL32/Include/alMain.h +++ b/OpenAL32/Include/alMain.h @@ -28,6 +28,12 @@ typedef long long ALint64; typedef unsigned long long ALuint64; #endif +#ifdef HAVE_GCC_FORMAT +#define PRINTF_STYLE(x, y) __attribute__((format(printf, (x), (y)))) +#else +#define PRINTF_STYLE(x, y) +#endif + #ifdef _WIN32 #ifndef _WIN32_WINNT @@ -145,7 +151,7 @@ static inline void Sleep(ALuint t) extern "C" { #endif -static __inline void al_print(const char *fname, unsigned int line, const char *fmt, ...) +static __inline PRINTF_STYLE(3,4) void al_print(const char *fname, unsigned int line, const char *fmt, ...) { const char *fn; char str[256]; diff --git a/config.h.in b/config.h.in index 647cfe47..168b403a 100644 --- a/config.h.in +++ b/config.h.in @@ -67,6 +67,9 @@ /* Define if we have GCC's destructor attribute */ #cmakedefine HAVE_GCC_DESTRUCTOR +/* Define if we have GCC's format attribute */ +#cmakedefine HAVE_GCC_FORMAT + /* Define if we have pthread_np.h */ #cmakedefine HAVE_PTHREAD_NP_H |