* Copyright 2008, Axel Dörfler, axeld@pinc-software.de.
* Distributed under the terms of the MIT License.
*/
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>
extern const char *__progname;
int
main(int argc, char **argv)
{
if (argc < 3) {
fprintf(stderr, "usage: %s <file> <size>\n", __progname);
return 1;
}
struct stat st;
if (stat(argv[1], &st) != 0) {
fprintf(stderr, "%s: cannot stat file \"%s\": %s\n", __progname,
argv[1], strerror(errno));
return 1;
}
int fd = open(argv[1], O_RDONLY);
if (fd < 0) {
fprintf(stderr, "%s: could open the file read-only \"%s\": %s\n",
__progname, argv[1], strerror(errno));
return 1;
}
if (fchmod(fd, 0666) == -1) {
fprintf(stderr, "%s: couldn't chmod a file opened read-only \"%s\": %s\n",
__progname, argv[1], strerror(errno));
close(fd);
return 1;
}
close(fd);
return 0;
}
