initial commit

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]) ;
+}