src/logerr.c


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#include "config.h"

#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>

#include "logerr.h"


void
vlogerr(
	const char *const file,
	const char *const function,
	const int lineno,
	FILE *restrict stream,
	const char *restrict format,
	...
) {
	if (fprintf(stream, "%s:%s:%d: ", file, function, lineno) < 0) {
		perror(__FILE__ ":vlogerr(): fprintf() < 0");
	}

	va_list args;
	va_start(args, format);
	if (vfprintf(stream, format, args) < 0) {
		perror(__FILE__ ":vlogerr(): vfprintf() < 0");
	}
	va_end(args);

	if (fprintf(stream, "\n") < 0) {
		perror(__FILE__ ":vlogerr(): fprintf() < 0");
	}
}