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/*
Copyright (C) 2016 Paweł Redman
This program 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.
This program 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, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "common.h"
#include <unistd.h>
#define error(fmt, ...) fprintf(stderr, PROGRAM_NAME ": " fmt, ##__VA_ARGS__)
void print_version(void)
{
puts(PROGRAM_NAME " " PROGRAM_VERSION ", Copyright (C) 2016 Paweł Redman\n"
PROGRAM_NAME " comes with ABSOLUTELY NO WARRANTY.\n"
"This is free software, and you are welcome to redistribute it\n"
"under certain conditions. See the file COPYING.");
}
void print_usage(void)
{
puts(PROGRAM_NAME " " PROGRAM_VERSION "\n"
"usage: " PROGRAM_NAME " -o outfile infile...\n"
" or " PROGRAM_NAME " -v\n"
" or " PROGRAM_NAME " -h");
}
typedef struct {
char *path;
elist_header_t list;
} input_file_t;
int main(int argc, char **argv)
{
int rv = 1, i;
input_file_t *inputs = NULL, *input, *next;
char *output = NULL;
for (i = 1; i < argc; i++) {
if (!strcmp(argv[i], "-v")) {
print_version();
rv = 0;
goto out;
} else if (!strcmp(argv[i], "-h")) {
print_usage();
rv = 0;
goto out;
} else if (!strcmp(argv[i], "-o")) {
if (i + 1 >= argc) {
error("-o needs an argument\n");
goto out;
}
if (output) {
error("-o can be specified only once\n");
goto out;
}
output = argv[i + 1];
i++;
} else {
input = malloc(sizeof(input_file_t));
if (!input) {
error("out of memory\n");
goto out;
}
input->path = argv[i];
elist_append(&inputs, input, list);
}
}
if (!inputs) {
error("no input files specified, try '" PROGRAM_NAME " -h'\n");
goto out;
}
if (!output) {
error("no output file specified, try '" PROGRAM_NAME " -h'\n");
goto out;
}
elist_for (input, inputs, list)
if (mapcat_load(input->path))
goto out;
if (mapcat_save(output))
goto out;
rv = 0;
out:
mapcat_free();
for (input = inputs; input; input = next) {
next = elist_next(input, list);
free(input);
}
return rv;
}
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