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/* wordsplit - a word splitter
Copyright (C) 2009-2011, 2017, 2019-2022 Sergey Poznyakoff
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, see <http://www.gnu.org/licenses/>. */
#include <config.h>
#include "wydawca.h"
char *progname;
void
usage(int code)
{
FILE *fp = code ? stderr : stdout;
fprintf(fp,
"usage: %s [-no] [-simple] [-existing] [-numbered] [-suffix=S] FILE\n",
progname);
exit(code);
}
int
main(int argc, char **argv)
{
enum backup_type type = numbered_backups;
char *file = NULL;
char *backup;
progname = argv[0];
while (--argc) {
char *arg = *++argv;
if (strcmp(arg, "-no") == 0)
type = no_backups;
else if (strcmp(arg, "-simple") == 0)
type = simple_backups;
else if (strcmp(arg, "-existing") == 0)
type = numbered_existing_backups;
else if (strcmp(arg, "-numbered") == 0)
type = numbered_backups;
else if (strncmp(arg, "-suffix=", 8) == 0)
simple_backup_suffix = arg + 8;
else if (arg[0] == '-')
usage(2);
else {
if (argc != 1)
usage(2);
file = arg;
}
}
if (!file)
usage(2);
backup = find_backup_file_name(AT_FDCWD, file, type);
if (!backup) {
if (errno) {
perror(file);
exit(1);
}
printf("no backup\n");
} else
printf("%s\n", backup);
free(backup);
exit(0);
}
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