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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2000-2003 Silicon Graphics, Inc.
* All Rights Reserved.
*/
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int
main(argc, argv)
int argc;
char **argv;
{
char *filename="testfile";
int c;
int fd, err;
if(argc != 3)
{ printf("Usage: cxfs_ftrunc -f filename\n");
exit(1);
}
while((c=getopt(argc,argv,"f:"))!=EOF) {
switch (c) {
case 'f':
filename = optarg;
break;
default:
fprintf(stderr,"Usage: ftrunc -f filename\n");
exit(1);
}
}
/* open RDWR but with read-only perms */
fd = open(filename, O_CREAT|O_RDWR, 0400);
if (fd < 0) {
perror("open failed");
return 1;
}
err = ftruncate(fd, 1000);
if (err < 0) {
perror("ftruncate failed");
return 1;
}
err = unlink(filename);
if (err < 0) {
perror("unlink failed");
return 1;
}
return 0;
}
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