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logs: add printf-style warnings in gcc/clang

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bnnm 2021-09-15 23:12:42 +02:00
parent ce7ffc6d38
commit 7e8d4df17e
1 changed files with 13 additions and 3 deletions
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16
src/util/log.h
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@ -15,12 +15,22 @@
* - still WIP, some stuff not working ATM or may change
*/
/* compiler hints to force printf-style checks, butt-ugly but so useful... */
/* supposedly MSCV has _Printf_format_string_ with /analyze but I can't get it to work */
#if defined(__GNUC__) /* clang too */
#define GNUC_LOG_ATRIB __attribute__ ((format(printf, 1, 2))) /* only with -Wformat (1=format param, 2=other params) */
#define GNUC_ASR_ATRIB __attribute__ ((format(printf, 2, 3)))
#else
#define GNUC_LOG_ATRIB /* none */
#define GNUC_ASR_ATRIB /* none */
#endif
// void (*callback)(int level, const char* str);
void vgm_log_set_callback(void* ctx_p, int level, int type, void* callback);
#if defined(VGM_LOG_OUTPUT) || defined(VGM_DEBUG_OUTPUT)
void vgm_logi(/*void* ctx,*/ const char* fmt, ...);
void vgm_asserti(/*void* ctx,*/ int condition, const char* fmt, ...);
void vgm_logi(/*void* ctx,*/ const char* fmt, ...) GNUC_LOG_ATRIB;
void vgm_asserti(/*void* ctx,*/ int condition, const char* fmt, ...) GNUC_ASR_ATRIB;
//void vgm_logi_once(/*void* ctx, int* once_flag, */ const char* fmt, ...);
#else
#define vgm_logi(...) /* nothing */
@ -28,7 +38,7 @@ void vgm_log_set_callback(void* ctx_p, int level, int type, void* callback);
#endif
#ifdef VGM_DEBUG_OUTPUT
void vgm_logd(/*void* ctx,*/ const char* fmt, ...);
void vgm_logd(/*void* ctx,*/ const char* fmt, ...) GNUC_LOG_ATRIB;
#define VGM_LOG(...) do { vgm_logd(__VA_ARGS__); } while (0)
#define VGM_ASSERT(condition, ...) do { if (condition) {vgm_logd(__VA_ARGS__);} } while (0)
#else