tildebin/utilities.h

132 lines
7.1 KiB
C

#ifndef __UTILITIES_H__
#define __UTILITIES_H__
#include <stdio.h>
#include <string.h>
#include <stdbool.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <time.h>
#include <errno.h>
#ifndef uint
#define uint unsigned int
#endif
#define __FILENAME__ (strrchr(__FILE__, '/') ? strrchr(__FILE__, '/') + 1 : __FILE__)
// Loggers
#define __FTD_LOG(_file, _fmt, ...) fprintf(_file, "[%s:%d] " _fmt "\n", __FILENAME__, __LINE__, ##__VA_ARGS__)
#define INFO(_fmt, ...) __FTD_LOG(stdout, "[inf]: "_fmt, ##__VA_ARGS__)
#define WARNING(_fmt, ...) __FTD_LOG(stdout, "[war]: " _fmt, ##__VA_ARGS__)
#define ERROR(_fmt, ...) __FTD_LOG(stderr, "[err]: " _fmt, ##__VA_ARGS__)
// Catchers
#define __BASE_CATCHER(_expr, _fmt, extra, ...) \
{ \
int _ret = _expr; \
if(_ret < 0) \
WARNING(_fmt " %s", ##__VA_ARGS__, extra); \
}
#define __BASE_CATCHER_CRITICAL(_expr, _fmt, extra, ...) \
{ \
int _ret = _expr; \
if(_ret < 0) \
{ \
ERROR(_fmt " %s", ##__VA_ARGS__, extra); \
exit(_ret); \
} \
}
// Generic catchers
#define CATCHER(_expr, _fmt, ...) \
__BASE_CATCHER(_expr, _fmt, "", ##__VA_ARGS__)
#define CATCHER_CRITICAL(_expr, _fmt, ...) \
__BASE_CATCHER_CRITICAL(_expr, _fmt, "", ##__VA_ARGS__)
// stderror catchers
#define STD_CATCHER(_expr, _fmt, ...) \
__BASE_CATCHER(_expr, _fmt ":", strerror(errno), ##__VA_ARGS__)
#define STD_CATCHER_CRITICAL(_expr, _fmt, ...) \
__BASE_CATCHER_CRITICAL(_expr, _fmt ":", strerror(errno), ##__VA_ARGS__)
#define VALIDATE(_expr, _fmt, ...) CATCHER_CRITICAL((_expr) ? 0 : -1, _fmt, ##__VA_ARGS__);
#define VALIDATE_STD(_expr, _fmt, ...) STD_CATCHER_CRITICAL((_expr) ? 0 : -1, _fmt, ##__VA_ARGS__);
extern int errno;
// Misc
#define GET_LEN(_arr) (sizeof(_arr)/sizeof(_arr[0]))
#define SLEEP_FOR_US(_us) \
{ \
struct timespec req = { \
.tv_nsec = (long)(_us)*1000 \
}; \
while(nanosleep(&req, &req) == -1 && errno == EINTR); \
}
#define UNUSED(x) (void)(x)
// Mutex helpers
#define REGISTER_MUTEX_VARIABLE(_type, _name) \
static pthread_mutex_t _name##_mutex; \
static _type _name; \
static inline void lock_##_name() \
{ pthread_mutex_lock(&_name##_mutex); } \
static inline void unlock_##_name() \
{ pthread_mutex_unlock(&_name##_mutex); } \
static void set_##_name(_type val) \
{ \
lock_##_name(); \
_name = val; \
unlock_##_name(); \
} \
static _type get_##_name() \
{ \
_type _v; \
lock_##_name(); \
_v = _name; \
unlock_##_name(); \
return _v; \
}
#define GENERIC_VECTOR(NAME, T) \
typedef struct NAME { \
T *data; \
size_t used; \
size_t reserved; \
} NAME; \
static inline void NAME##_init(NAME *v) { \
memset(v, 0, sizeof(NAME)); \
} \
static int NAME##_reserve(NAME *v, size_t n) { \
v->reserved += n; \
v->data = (T *)reallocarray(v->data, v->reserved, sizeof(T)); \
return v->data != NULL ? 0 : -1; \
} \
static int NAME##_shrink(NAME *v) { \
v->reserved = v->used; \
v->data = (T *)reallocarray(v->data, v->reserved, sizeof(T)); \
return v->data != NULL ? 0 : -1; \
} \
static void NAME##_free(NAME *v) { \
if(v->data == NULL) return; \
free(v->data); \
memset(v, 0, sizeof(T)); \
} \
static inline T* NAME##_get_data(NAME *v) { \
return v->data; \
} \
static inline size_t NAME##_get_len(NAME *v) { \
return v->used/sizeof(T); \
}
#define MEMSET_ZERO(_v) memset(&_v, 0, sizeof(_v))
#define CHECK_MASK(_value, _mask) (((_value) & (_mask)) == 0)
#define MAX(a, b) ((a) >= (b) ? (a): (b))
#define MIN(a, b) ((a) <= (b) ? (a): (b))
#endif