debug.h

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#ifndef __LIBDRAGON_DEBUG_H
#define __LIBDRAGON_DEBUG_H
 
#include <stdbool.h>
#include <stdio.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define DEBUG_FEATURE_LOG_USB       (1 << 0)
 
#define DEBUG_FEATURE_LOG_EMU       (1 << 1)
 
#define DEBUG_FEATURE_LOG_SD        (1 << 2)
 
#define DEBUG_FEATURE_FILE_SD       (1 << 3)
 
 
#define DEBUG_FEATURE_ALL           0xFF
 
 
#define DEBUG_FEATURE_LOG_ISVIEWER DEBUG_FEATURE_LOG_EMU
#define debug_init_isviewer debug_init_emulog
 
 
#ifndef NDEBUG
    bool debug_init_usblog(void);
    bool debug_init_emulog(void);
    bool debug_init_sdlog(const char *fn, const char *openfmt);
    bool debug_init_sdfs(const char *prefix, int npart);
 
    void debug_close_sdfs(void);
 
    static inline bool debug_init(int features)
    {
        bool ok = false; 
        if (features & DEBUG_FEATURE_LOG_USB)
            ok = debug_init_usblog() || ok;
        if (features & DEBUG_FEATURE_LOG_EMU)
            ok = debug_init_emulog() || ok;
        if (features & DEBUG_FEATURE_FILE_SD)
            ok = debug_init_sdfs("sd:/", -1) || ok;
        if (features & DEBUG_FEATURE_LOG_SD)
            ok = debug_init_sdlog("sd:/libdragon.log", "a");
        return ok;
    }
 
    #define debugf(msg, ...)           fprintf(stderr, msg, ##__VA_ARGS__)
 
    #define assertf(expr, msg, ...)   ({ \
        if (!(expr)) debug_assert_func_f(__FILE__, __LINE__, __func__, #expr, msg, ##__VA_ARGS__); \
    })
 
#else
    #define debug_init(ch)             ({ false; })
    #define debug_init_usblog()        ({ false; })
    #define debug_init_emulog()        ({ false; })
    #define debug_init_sdlog(fn,fmt)   ({ false; })
    #define debug_init_sdfs(prefix,np) ({ false; })
    #define debugf(msg, ...)           ({ })
    #define assertf(expr, msg, ...)    ({ })
#endif
 
void debug_hexdump(const void *buffer, int size);
 
void debug_backtrace(void);
 
void debug_assert_func_f(const char *file, int line, const char *func, const char *failedexpr, const char *msg, ...)
   __attribute__((noreturn, format(printf, 5, 6)));
 
#ifdef __cplusplus
} /* extern "C" */
#endif
 
#endif