v4k-git-backup/engine/split/v4k_system.h

96 lines
4.1 KiB
C

// -----------------------------------------------------------------------------
// system framework utils
// - rlyeh, public domain.
//
// Note: Windows users add `/Zi` compilation flags, else add `-g` and/or `-ldl` flags
// Note: If you are linking your binary using GNU ld you need to add --export-dynamic
API void* thread( int (*thread_func)(void* user_data), void* user_data );
API void thread_destroy( void *thd );
API int argc();
API char* argv(int);
API int flag(const char *commalist); // --arg // app_flag?
API const char* option(const char *commalist, const char *defaults); // --arg=value or --arg value
API int optioni(const char *commalist, int defaults); // argvi() ?
API float optionf(const char *commalist, float defaults); // app_option?
API void tty_color(unsigned color);
API void tty_reset();
API void tty_attach();
API void tty_detach();
API const char* app_exec(const char *command); // returns ("%15d %s", retcode, output_last_line)
API void app_spawn(const char *command);
API int app_cores();
API int app_battery(); /// return battery level [1..100]. also positive if charging (+), negative if discharging (-), and 0 if no battery is present.
API const char* app_name();
API const char* app_path();
API const char* app_cache();
API const char* app_temp();
API const char* app_cmdline();
API uint64_t date(); // YYYYMMDDhhmmss
API uint64_t date_epoch(); // linux epoch
API char* date_string(); // "YYYY-MM-DD hh:mm:ss"
API double time_hh();
API double time_mm();
API double time_ss();
API uint64_t time_ms();
API uint64_t time_us();
API uint64_t time_ns();
API void sleep_ss(double ss);
API void sleep_ms(double ms);
API void sleep_us(double us);
API void sleep_ns(double us);
API unsigned timer(unsigned ms, unsigned (*callback)(unsigned ms, void *arg), void *arg);
API void timer_destroy(unsigned timer_handle);
API char* callstack( int traces ); // write callstack into a temporary string. <0 traces to invert order. do not free().
API int callstackf( FILE *fp, int traces ); // write callstack to file. <0 traces to invert order.
API void die(const char *message);
API void alert(const char *message);
API void hexdump( const void *ptr, unsigned len );
API void hexdumpf( FILE *fp, const void *ptr, unsigned len, int width );
API void breakpoint(const char *optional_reason);
API bool has_debugger();
API void signal_hooks(void);
API void signal_handler_ignore(int signal);
API void signal_handler_quit(int signal);
API void signal_handler_abort(int signal);
API void signal_handler_debug(int signal);
API const char *signal_name(int signal); // helper util
API uint16_t lil16(uint16_t n); // swap16 as lil
API uint32_t lil32(uint32_t n); // swap32 as lil
API float lil32f(float n); // swap32 as lil
API uint64_t lil64(uint64_t n); // swap64 as lil
API double lil64f(double n); // swap64 as lil
API uint16_t big16(uint16_t n); // swap16 as big
API uint32_t big32(uint32_t n); // swap32 as big
API float big32f(float n); // swap32 as big
API uint64_t big64(uint64_t n); // swap64 as big
API double big64f(double n); // swap64 as big
API uint16_t* lil16p(void *n, int sz);
API uint32_t* lil32p(void *n, int sz);
API float* lil32pf(void *n, int sz);
API uint64_t* lil64p(void *n, int sz);
API double* lil64pf(void *n, int sz);
API uint16_t* big16p(void *n, int sz);
API uint32_t* big32p(void *n, int sz);
API float* big32pf(void *n, int sz);
API uint64_t* big64p(void *n, int sz);
API double* big64pf(void *n, int sz);
#define PANIC(...) PANIC(va(__VA_ARGS__), __FILE__, __LINE__) // die() ?
API int (PANIC)(const char *error, const char *file, int line);
#define PRINTF(...) PRINTF(va(__VA_ARGS__), 1[#__VA_ARGS__] == '!' ? callstack(+48) : "", __FILE__, __LINE__, __FUNCTION__)
API int (PRINTF)(const char *text, const char *stack, const char *file, int line, const char *function);