#include "config.h"
#include <stdio.h>
#include <string.h>

/**
 * json_out - Code for creating simple JSON output.
 *
 * This code helps you create well-formed JSON strings.
 *
 * Author: Rusty Russell <rusty@rustcorp.com.au>
 * License: BSD-MIT
 *
 * Example:
 *	// Given "a 1 true" outputs {"argv1":"a","argv2":1,"argv3":true}
 *	// Print arguments as a JSON array.
 *	#include <ccan/json_out/json_out.h>
 *	#include <stdio.h>
 *	#include <string.h>
 *	#include <unistd.h>
 *
 *	// Simplistic test to see if str needs quotes.
 *	static bool can_be_json_literal(const char *str)
 *	{
 *		char *endp;
 *		if (strtol(str, &endp, 10) != LONG_MIN
 *		    && endp != str
 *		    && *endp == '\0')
 *			return true;
 *		return !strcmp(str, "true")
 *			|| !strcmp(str, "false")
 *			|| !strcmp(str, "null");
 *	}
 *		
 *	int main(int argc, char *argv[])
 *	{
 *		struct json_out *jout = json_out_new(NULL);
 *		size_t len;
 *		const char *p;
 *
 *		json_out_start(jout, NULL, '{');
 *		for (int i = 1; i < argc; i++) {
 *			char fieldname[80];
 *			sprintf(fieldname, "argv%i", i);
 *			json_out_add(jout, fieldname,
 *				     !can_be_json_literal(argv[i]),
 *				     "%s", argv[i]);
 *		}
 *		json_out_end(jout, '}');
 *		// Force appending of \n
 *		json_out_direct(jout, 1)[0] = '\n';
 *		json_out_finished(jout);
 *
 *		// Now write it out.
 *		while ((p = json_out_contents(jout, &len)) != NULL) {
 *			int i = write(STDOUT_FILENO, p, len);
 *			if (i <= 0)
 *				exit(1);
 *			json_out_consume(jout, i);
 *		}
 *
 *		tal_free(jout);
 *		return 0;
 *	}
 *	
 */
int main(int argc, char *argv[])
{
	/* Expect exactly one argument */
	if (argc != 2)
		return 1;

	if (strcmp(argv[1], "depends") == 0) {
		printf("ccan/compiler\n");
		printf("ccan/json_escape\n");
		printf("ccan/membuf\n");
		printf("ccan/tal\n");
		printf("ccan/typesafe_cb\n");
		return 0;
	}

	return 1;
}