Fix calls to {m,c,re}alloc so that they use x{m,c,re}alloc instead of

[oweals/busybox.git] / freeramdisk.c

diff --git a/freeramdisk.c b/freeramdisk.c
index 06937a70ff2b1ff5f5a7254738a8ccb3f2f5213f..64915b313251dcdba33e6ccc094a1287d6bdbe28 100644 (file)
--- a/freeramdisk.c
+++ b/freeramdisk.c
@@ -23,42 +23,35 @@
 
 #include <stdio.h>
 #include <string.h>
-#include <sys/mount.h>
 #include <sys/types.h>
-#include <sys/stat.h>
 #include <fcntl.h>
 #include <sys/ioctl.h>
 #include <errno.h>
 #include "internal.h"
 
 
-static const char freeramdisk_usage[] =
-       "freeramdisk DEVICE\n\n"
-       "Frees all memory used by the specified ramdisk.\n";
+/* From linux/fs.h */
+#define BLKFLSBUF  _IO(0x12,97)        /* flush buffer cache */
 
 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", rname, strerror(errno));
+       if ((f = open(argv[1], O_RDWR)) == -1) {
+               fatalError( "cannot open %s: %s\n", argv[1], strerror(errno));
        }
        if (ioctl(f, BLKFLSBUF) < 0) {
-               fatalError( "freeramdisk: failed ioctl on %s: %s", rname, strerror(errno));
+               fatalError( "failed ioctl on %s: %s\n", argv[1], strerror(errno));
        }
        /* Don't bother closing.  Exit does
         * that, so we can save a few bytes */
        /* close(f); */
-       exit(TRUE);
+       return(TRUE);
 }
 
 /*