#define _POSIX_C_SOURCE 2
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>

#include <string.h>

#include "sqlite3.h"
#include "zpm.h"

int zpm_foreach_path(struct zpm *zpm, char *pkgid, char *where,
int (*callback)(void *f, int ncols, char **vals, char **cols),
void *data, char **errmsg) {
	char *sql;
	sqlite3_str *s;

	if (!zpm || zpm->error || !callback) return 0;

	s = sqlite3_str_new(zpm->db);
	sqlite3_str_appendall(s, "select * from packagefiles_pkgid where ");

	if (where) {
		sqlite3_str_appendf(s, "%s", where);
	} else {
		sqlite3_str_appendall(s, "true");
	}

	if (pkgid) {
		sqlite3_str_appendf(s, " and printf('%%s-%%s-%%s', package, version, release) = %Q", pkgid);
	}


	sql = sqlite3_str_value(s);
	if (!sql) {
		sqlite3_str_finish(s);
		zpm->error = 1;
		return 0;
	}

	zpm_exec(zpm, sql, callback, data, errmsg);
	sqlite3_str_finish(s);
	if (*errmsg) {
		fprintf(stderr, "errmsg: %s\n", *errmsg);
		zpm->error = 2;
		return 0;
	}

	return 1;
}