utils.h

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#ifndef UTILS_H
#define UTILS_H
 
#include <arpa/inet.h>
#include <assert.h>
#include <ctype.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <string.h>
#include <sys/socket.h>
#include <time.h>
 
#ifdef DEBUG
#define DEBUG_TEST 1
#else
#define DEBUG_TEST 0
#endif
 
#define TIME_RFC3339_STRLEN 31
 
#define debug() \
        do { if (DEBUG_TEST) fprintf(stderr, "%s:%d:%s(): \n", __FILE__, \
                                __LINE__, __func__); } while (0)
                                
#define debug_print(str) \
        do { if (DEBUG_TEST) fprintf(stderr, "%s:%d:%s(): " str "\n", __FILE__, \
                                __LINE__, __func__); } while (0)
 
#define debug_printf(fmt, ...) \
        do { if (DEBUG_TEST) fprintf(stderr, "%s:%d:%s(): " fmt "\n", __FILE__, \
                                __LINE__, __func__, __VA_ARGS__); } while (0)
 
#define ARRAY_COUNT(a) sizeof(a) / sizeof(a[0])
 
#define CHECK_MALLOC(a) do { \
    if((a) == NULL) { \
        assert(0); \
    } } while (0)
 
#define INCREMENT(a) a += 1
 
#define DECREMENT(a) a -= 1
 
 
int  utl_ip_port_from_ss(char *ip, size_t ip_len, uint16_t *port, struct sockaddr_storage *ss);
 
double utl_diff_timespec_as_double(const struct timespec *t1, const struct timespec *t2);
void   utl_diff_timespec(struct timespec *dst, const struct timespec *t1, const struct timespec *t2);
 
void char_to_lc(char *c);
void str_to_lc(uint8_t *str, size_t str_len);
 
bool str_is_numeric(uint8_t *str, size_t str_len);
 
int str_to_unsigned_long(unsigned long *dst, char *str);
 
int str_to_bool(bool *dst, char *str);
 
int parse_csv_to_ul_array(size_t *ul_array, size_t ul_array_len, char *str);
 
int sockaddr_storage_to_string(char *buf, size_t buf_len, struct sockaddr_storage *ss);
 
int utl_readall(int fd, size_t size, void **buf, char *err, size_t err_len);
int utl_writeall(int fd, void *buf, size_t buf_len, char *err, size_t err_len);
 
int utl_timespec_to_rfc3339nano(struct timespec *ts, char *buf);
 
void utl_clock_gettime_rt_fatal(struct timespec *tp);
 
#endif /* UTILS_H */