Stupid JSON prettifier

jsonpretty.c

/*
 * Stupid JSON prettifier.
 *
 * Compile:
 * $ cc -o j jsonpretty.c -ljansson
 *
 * Usage:
 * $ ./j < <file>
 * $ cat <file> | ./j
 *
 * Examples:
 * $ curl http://example.com/some_file.json | ./j
 *
 * Copyright (C) 2012 Alessandro Ghedini <alessandro@ghedini.me>
 * --------------------------------------------------------------
 * "THE BEER-WARE LICENSE" (Revision 42):
 * Alessandro Ghedini wrote this file. As long as you retain this
 * notice you can do whatever you want with this stuff. If we
 * meet some day, and you think this stuff is worth it, you can
 * buy me a beer in return.
 * --------------------------------------------------------------
 */

#include <stdio.h>
#include <jansson.h>

int main(int argc, char *argv[]) {
	json_t *root;
	json_error_t error;

	root = json_loadf(stdin, 0, &error);

	if (!root) {
		fprintf(stderr, "error: line %d: %s\n", error.line, error.text);
		return -1;
	}

	json_dumpf(root, stdout, JSON_INDENT(2) | JSON_SORT_KEYS);

	return 0;
}