Import sources from 2011-03-30 iso image

1 files changed, 39 insertions, 0 deletions

diff --git a/sys/src/ape/lib/ap/plan9/chown.c b/sys/src/ape/lib/ap/plan9/chown.c
new file mode 100755
index 000000000..22b651d14
--- /dev/null
+++ b/sys/src/ape/lib/ap/plan9/chown.c
@@ -0,0 +1,39 @@
+#include "lib.h"
+#include "sys9.h"
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <stdlib.h>
+#include "dir.h"
+
+int
+chown(const char *path, uid_t owner, gid_t group)
+{
+	int num;
+	Dir d;
+
+	_nulldir(&d);
+
+	/* find owner, group */
+	d.uid = nil;
+	num = owner;
+	if(!_getpw(&num, &d.uid, 0)) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	d.gid = nil;
+	num = group;
+	if(!_getpw(&num, &d.gid, 0)) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	if(_dirwstat(path, &d) < 0){
+		_syserrno();
+		return -1;
+	}
+	return 0;
+}