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Diffstat (limited to 'src/minutils/s6-umount.c')
-rw-r--r--src/minutils/s6-umount.c66
1 files changed, 0 insertions, 66 deletions
diff --git a/src/minutils/s6-umount.c b/src/minutils/s6-umount.c
deleted file mode 100644
index 3ac1091..0000000
--- a/src/minutils/s6-umount.c
+++ /dev/null
@@ -1,66 +0,0 @@
-/* ISC license. */
-
-#include <string.h>
-#include <sys/mount.h>
-#include <skalibs/bytestr.h>
-#include <skalibs/buffer.h>
-#include <skalibs/strerr.h>
-#include <skalibs/stralloc.h>
-#include <skalibs/djbunix.h>
-#include <skalibs/skamisc.h>
-
-#define USAGE "s6-umount mountpoint <or> s6-umount -a"
-
-#define BUFSIZE 4096
-#define MAXLINES 512
-
-static int umountall ( )
-{
- stralloc mountpoints[MAXLINES] ;
- char buf[BUFSIZE+1] ;
- buffer b ;
- stralloc sa = STRALLOC_ZERO ;
- unsigned int line = 0 ;
- int e = 0 ;
- int r ;
- int fd = open_readb("/proc/mounts") ;
- if (fd < 0) strerr_diefu1sys(111, "open /proc/mounts") ;
- memset(mountpoints, 0, sizeof(mountpoints)) ;
- buffer_init(&b, &buffer_read, fd, buf, BUFSIZE+1) ;
- for (;;)
- {
- size_t n, p ;
- if (line >= MAXLINES) strerr_dief1x(111, "/proc/mounts too big") ;
- sa.len = 0 ;
- r = skagetln(&b, &sa, '\n') ;
- if (r <= 0) break ;
- p = byte_chr(sa.s, sa.len, ' ') ;
- if (p >= sa.len) strerr_dief1x(111, "bad /proc/mounts format") ;
- p++ ;
- n = byte_chr(sa.s + p, sa.len - p, ' ') ;
- if (n == sa.len - p) strerr_dief1x(111, "bad /proc/mounts format") ;
- if (!stralloc_catb(&mountpoints[line], sa.s + p, n) || !stralloc_0(&mountpoints[line]))
- strerr_diefu1sys(111, "store mount point") ;
- line++ ;
- }
- fd_close(fd) ;
- stralloc_free(&sa) ;
- if (r < 0) strerr_diefu1sys(111, "read /proc/mounts") ;
- while (line--)
- if (umount(mountpoints[line].s) == -1)
- {
- e++ ;
- strerr_warnwu2sys("umount ", mountpoints[line].s) ;
- }
- return e ;
-}
-
-int main (int argc, char const *const *argv)
-{
- PROG = "s6-umount" ;
- if (argc < 2) strerr_dieusage(100, USAGE) ;
- if ((argv[1][0] == '-') && (argv[1][1] == 'a') && !argv[1][2])
- return umountall() ;
- if (umount(argv[1]) == -1) strerr_diefu2sys(111, "umount ", argv[1]) ;
- return 0 ;
-}