terom@1: #include <stdlib.h>
terom@1: #include <stdio.h>
terom@1: #include <stdarg.h>
terom@1: #include <string.h>
terom@1: #include <errno.h>
terom@1: 
terom@6: #include "log.h"
terom@1: 
terom@1: static void _generic_err_vargs (int use_stderr, const char *func, int perr, const char *fmt, va_list va) {
terom@1:     FILE *stream = use_stderr ? stderr : stdout;
terom@1: 
terom@1:     if (func)
terom@1:         fprintf(stream, "%s: ", func);
terom@1:     
terom@1:     vfprintf(stream, fmt, va);
terom@1:     
terom@1:     if (perr)
terom@2:         fprintf(stream, ": %s\n", strerror(perr > 0 ? errno : -perr));
terom@1: 
terom@1:     fprintf(stream, "\n");
terom@1: }
terom@1: 
terom@1: void _generic_err (int use_stderr, const char *func, int perr, const char *fmt, ...) {
terom@1:     va_list va;
terom@1: 
terom@1:     va_start(va, fmt);
terom@1:     _generic_err_vargs(use_stderr, func, perr, fmt, va);
terom@1:     va_end(va);
terom@1: }
terom@1: 
terom@1: void _generic_err_exit (int use_stderr, const char *func, int perr, const char *fmt, ...) {
terom@1:     va_list va;
terom@1: 
terom@1:     va_start(va, fmt);
terom@1:     _generic_err_vargs(use_stderr, func, perr, fmt, va);
terom@1:     va_end(va);
terom@1:       
terom@1:     exit(EXIT_FAILURE);
terom@1: }
terom@1: