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authorLaurent Bercot <ska-skaware@skarnet.org>2014-09-19 15:01:58 +0000
committerLaurent Bercot <ska-skaware@skarnet.org>2014-09-19 15:01:58 +0000
commit54b6467013bfbdb3ee606961c02fbff1271ca582 (patch)
treee3969743e61542979f12fca01017e67c4480eca8 /src/minutils/s6-chroot.c
downloads6-linux-utils-54b6467013bfbdb3ee606961c02fbff1271ca582.tar.xz
initial commit
Diffstat (limited to 'src/minutils/s6-chroot.c')
-rw-r--r--src/minutils/s6-chroot.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/src/minutils/s6-chroot.c b/src/minutils/s6-chroot.c
new file mode 100644
index 0000000..654ee8f
--- /dev/null
+++ b/src/minutils/s6-chroot.c
@@ -0,0 +1,21 @@
+/* ISC license. */
+
+#ifndef _BSD_SOURCE
+#define _BSD_SOURCE
+#endif
+
+#include <unistd.h>
+#include <skalibs/strerr2.h>
+#include <skalibs/djbunix.h>
+
+#define USAGE "s6-chroot dir prog..."
+
+int main (int argc, char const *const *argv, char const *const *envp)
+{
+ PROG = "s6-chroot" ;
+ if (argc < 3) strerr_dieusage(100, USAGE) ;
+ if (chdir(argv[1]) == -1) strerr_diefu2sys(111, "chdir to ", argv[1]) ;
+ if (chroot(".") == -1) strerr_diefu2sys(111, "chroot in ", argv[1]) ;
+ pathexec_run(argv[2], argv+2, envp) ;
+ strerr_dieexec(111, argv[2]) ;
+}