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-rw-r--r--toys/other/mkswap.c42
1 files changed, 20 insertions, 22 deletions
diff --git a/toys/other/mkswap.c b/toys/other/mkswap.c
index 1e96c196..ff864244 100644
--- a/toys/other/mkswap.c
+++ b/toys/other/mkswap.c
@@ -1,40 +1,38 @@
-/* vi: set sw=4 ts=4:
- *
- * mkswap.c - Format swap device.
+/* mkswap.c - Format swap device.
*
* Copyright 2009 Rob Landley <rob@landley.net>
USE_MKSWAP(NEWTOY(mkswap, "<1>1", TOYFLAG_SBIN))
config MKSWAP
- bool "mkswap"
- default y
- help
- usage: mkswap DEVICE
+ bool "mkswap"
+ default y
+ help
+ usage: mkswap DEVICE
- Sets up a Linux swap area on a device or file.
+ Sets up a Linux swap area on a device or file.
*/
#include "toys.h"
void mkswap_main(void)
{
- int fd = xopen(*toys.optargs, O_RDWR), pagesize = sysconf(_SC_PAGE_SIZE);
- off_t len = fdlength(fd);
- unsigned int pages = (len/pagesize)-1, *swap = (unsigned int *)toybuf;
+ int fd = xopen(*toys.optargs, O_RDWR), pagesize = sysconf(_SC_PAGE_SIZE);
+ off_t len = fdlength(fd);
+ unsigned int pages = (len/pagesize)-1, *swap = (unsigned int *)toybuf;
- // Write header. Note that older kernel versions checked signature
- // on disk (not in cache) during swapon, so sync after writing.
+ // Write header. Note that older kernel versions checked signature
+ // on disk (not in cache) during swapon, so sync after writing.
- swap[0] = 1;
- swap[1] = pages;
- xlseek(fd, 1024, SEEK_SET);
- xwrite(fd, swap, 129*sizeof(unsigned int));
- xlseek(fd, pagesize-10, SEEK_SET);
- xwrite(fd, "SWAPSPACE2", 10);
- fsync(fd);
+ swap[0] = 1;
+ swap[1] = pages;
+ xlseek(fd, 1024, SEEK_SET);
+ xwrite(fd, swap, 129*sizeof(unsigned int));
+ xlseek(fd, pagesize-10, SEEK_SET);
+ xwrite(fd, "SWAPSPACE2", 10);
+ fsync(fd);
- if (CFG_TOYBOX_FREE) close(fd);
+ if (CFG_TOYBOX_FREE) close(fd);
- printf("Swapspace size: %luk\n", pages*(unsigned long)(pagesize/1024));
+ printf("Swapspace size: %luk\n", pages*(unsigned long)(pagesize/1024));
}