1 #include <stdlib.h>

     2 #include <stdio.h>

     3 #include <stdarg.h>

     4 #include <string.h>

     5 #include <errno.h>

     6 

     7 #include "log.h"

     8 

     9 static void _generic_err_vargs (int use_stderr, const char *func, int perr, const char *fmt, va_list va) {

    10     FILE *stream = use_stderr ? stderr : stdout;

    11 

    12     if (func)

    13         fprintf(stream, "%s: ", func);

    14     

    15     vfprintf(stream, fmt, va);

    16     

    17     if (perr)

    18         fprintf(stream, ": %s\n", strerror(perr > 0 ? errno : -perr));

    19 

    20     fprintf(stream, "\n");

    21 }

    22 

    23 void _generic_err (int use_stderr, const char *func, int perr, const char *fmt, ...) {

    24     va_list va;

    25 

    26     va_start(va, fmt);

    27     _generic_err_vargs(use_stderr, func, perr, fmt, va);

    28     va_end(va);

    29 }

    30 

    31 void _generic_err_exit (int use_stderr, const char *func, int perr, const char *fmt, ...) {

    32     va_list va;

    33 

    34     va_start(va, fmt);

    35     _generic_err_vargs(use_stderr, func, perr, fmt, va);

    36     va_end(va);

    37       

    38     exit(EXIT_FAILURE);

    39 }

    40