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/* ISC license. */
#include <unistd.h>
#include <sys/swap.h>
#include <string.h>
#include <stdio.h>
#include <mntent.h>
#include <skalibs/strerr.h>
#define USAGE "s6-swapon device <or> s6-swapon -a"
static int swaponall ()
{
struct mntent *d ;
int e = 0 ;
FILE *yuck = setmntent("/etc/fstab", "r") ;
if (!yuck) strerr_diefu1sys(111, "setmntent /etc/fstab") ;
while ((d = getmntent(yuck)))
if (!strcmp(d->mnt_type, "swap") && (swapon(d->mnt_fsname, 0) == -1))
{
e++ ;
strerr_warnwu2sys("swapon ", d->mnt_fsname) ;
}
endmntent(yuck) ;
return e ;
}
int main (int argc, char const *const *argv)
{
PROG = "s6-swapon" ;
if (argc < 2) strerr_dieusage(100, USAGE) ;
if ((argv[1][0] == '-') && (argv[1][1] == 'a') && !argv[1][2])
return swaponall() ;
if (swapon(argv[1], 0) == -1)
strerr_diefu2sys(111, "swapon ", argv[1]) ;
return 0 ;
}
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