[BusyBox] freeramdisk fix
Pavel Roskin
pavel_roskin at geocities.com
Fri Jun 2 17:13:20 UTC 2000
Hello!
This patch
- eliminates the need to have a buffer and strcpy to it
- makes freeramdisk complain if it's given more than one argument (or
should we use for loop and change help?)
Regards,
Pavel Roskin
============================
diff -u -r1.1 freeramdisk.c
--- freeramdisk.c 2000/05/17 20:57:41 1.1
+++ freeramdisk.c 2000/06/02 17:01:30
@@ -43,21 +43,17 @@
extern int
freeramdisk_main(int argc, char **argv)
{
- char rname[256] = "/dev/ram";
int f;
- if (argc < 2 || ( argv[1] && *argv[1] == '-')) {
+ if (argc != 2 || *argv[1] == '-') {
usage(freeramdisk_usage);
}
- if (argc >1)
- strcpy(rname, argv[1]);
-
- if ((f = open(rname, O_RDWR)) == -1) {
- fatalError( "freeramdisk: cannot open %s: %s\n", rname, strerror(errno));
+ if ((f = open(argv[1], O_RDWR)) == -1) {
+ fatalError( "freeramdisk: cannot open %s: %s\n", argv[1], strerror(errno));
}
if (ioctl(f, BLKFLSBUF) < 0) {
- fatalError( "freeramdisk: failed ioctl on %s: %s\n", rname, strerror(errno));
+ fatalError( "freeramdisk: failed ioctl on %s: %s\n", argv[1], strerror(errno));
}
/* Don't bother closing. Exit does
* that, so we can save a few bytes */
============================
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