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