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/*
 * Copyright (C) 2004-2012 Free Software Foundation, Inc.
 * Author: Nikos Mavrogiannopoulos, Simon Josefsson
 *
 * This file is part of GnuTLS.
 *
 * GnuTLS is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * GnuTLS is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <gnutls/gnutls.h>
#include "common.h"

static void main_latex(void);
static int main_texinfo(void);

#define MAX_CODES 600

typedef struct {
	char name[128];
	int error_index;
} error_name;

static int compar(const void *_n1, const void *_n2)
{
	const error_name *n1 = (const error_name *)_n1,
	    *n2 = (const error_name *)_n2;
	return strcmp(n1->name, n2->name);
}

static const char headers[] = "\\tablefirsthead{%\n"
    "\\hline\n"
    "\\multicolumn{1}{|c}{Code} &\n"
    "\\multicolumn{1}{c}{Name} &\n"
    "\\multicolumn{1}{c|}{Description} \\\\\n" "\\hline}\n"
#if 0
    "\\tablehead{%\n"
    "\\hline\n"
    "\\multicolumn{3}{|l|}{\\small\\sl continued from previous page}\\\\\n"
    "\\hline}\n"
    "\\tabletail{%\n"
    "\\hline\n"
    "\\multicolumn{3}{|r|}{\\small\\sl continued on next page}\\\\\n"
    "\\hline}\n"
#endif
    "\\tablelasttail{\\hline}\n" "\\bottomcaption{The error codes table}\n\n";

int main(int argc, char *argv[])
{
	if (argc > 1)
		main_latex();
	else
		main_texinfo();

	return 0;
}

static int main_texinfo(void)
{
	int i, j;
	const char *desc;
	const char *_name;
	char buffer[500];
	error_name names_to_sort[MAX_CODES];	/* up to MAX_CODES names  */

	printf("@multitable @columnfractions .15 .40 .37\n");

	memset(names_to_sort, 0, sizeof(names_to_sort));
	j = 0;
	for (i = 0; i > -MAX_CODES; i--) {
		_name = gnutls_strerror_name(i);
		if (_name == NULL)
			continue;

		desc = gnutls_strerror(i);

		printf("@item %d @tab %s @tab %s\n", i,
		       escape_texi_string(_name, buffer, sizeof(buffer)), desc);

		strcpy(names_to_sort[j].name, _name);
		names_to_sort[j].error_index = i;
		j++;
	}

	printf("@end multitable\n");

	return 0;
}

static void main_latex(void)
{
	int i, j;
	static char buffer1[500];
	static char buffer2[500];
	const char *desc;
	const char *_name;
	error_name names_to_sort[MAX_CODES];	/* up to MAX_CODES names  */

	puts(headers);

	printf
	    ("\\begin{supertabular}{|p{.05\\linewidth}|p{.40\\linewidth}|p{.45\\linewidth}|}\n");

	memset(names_to_sort, 0, sizeof(names_to_sort));
	j = 0;
	for (i = 0; i > -MAX_CODES; i--) {
		_name = gnutls_strerror_name(i);
		if (_name == NULL)
			continue;

		strcpy(names_to_sort[j].name, _name);
		names_to_sort[j].error_index = i;
		j++;
	}

//qsort( names_to_sort, j, sizeof(error_name), compar);

	for (i = 0; i < j; i++) {
		_name = names_to_sort[i].name;
		desc = gnutls_strerror(names_to_sort[i].error_index);
		if (desc == NULL || _name == NULL)
			continue;

		printf("%d & {\\scriptsize{%s}} & %s",
		       names_to_sort[i].error_index, escape_string(_name,
								   buffer1,
								   sizeof
								   (buffer1)),
		       escape_string(desc, buffer2, sizeof(buffer2)));
		printf("\\\\\n");
	}

	printf("\\end{supertabular}\n\n");

	return;

}