busybox/swapon.c
1999-10-05 16:24:54 +00:00

35 lines
716 B
C

#include <stdio.h>
#include <mntent.h>
#include <sys/swap.h>
#include "internal.h"
const char swapon_usage[] = "swapon block-device\n"
"\n"
"\tSwap virtual memory pages on the given device.\n";
extern int
swapon_fn(const struct FileInfo * i)
{
FILE *swapsTable;
struct mntent m;
if (!(swapon(i->source, 0))) {
if ((swapsTable = setmntent("/etc/swaps", "a+"))) {
/* Needs the cast to avoid warning about conversion from
* const char* to just char*
*/
m.mnt_fsname = (char*)i->source;
m.mnt_dir = "none";
m.mnt_type = "swap";
m.mnt_opts = "sw";
m.mnt_freq = 0;
m.mnt_passno = 0;
addmntent(swapsTable, &m);
endmntent(swapsTable);
}
return (0);
}
return (-1);
}