*: moving files

1 files changed, 25 insertions, 5 deletions

diff --git a/src/libc/stdio/misc.c b/src/libc/stdio/misc.c
index 7e8e746..6cd5b35 100644
--- a/src/libc/stdio/misc.c
+++ b/src/libc/stdio/misc.c
@@ -1,3 +1,6 @@
+#include <camellia.h>
+#include <camellia/flags.h>
+#include <camellia/syscalls.h>
 #include <errno.h>
 #include <stdio.h>
 #include <string.h>
@@ -30,11 +33,28 @@ int remove(const char *path) {
 	return unlink(path);
 }
 
-// TODO! VFSOP_MOVE
-int rename(const char *old, const char *new) {
-	(void)old; (void)new;
-	errno = ENOSYS;
-	return -1;
+int rename(const char *oldpath, const char *newpath) {
+	// TODO require a duplex flag in open()
+	hid_t from, to;
+	from = camellia_open(oldpath, OPEN_RW);
+	if (from < 0) {
+		return -1;
+	}
+	to = camellia_open(newpath, OPEN_WRITE | OPEN_CREATE);
+	if (to < 0) {
+		close(from);
+		return -1;
+	}
+
+	long ret = _sys_duplex(from, to, DUPLEX_REMOVE);
+	close(from);
+	close(to);
+	if (ret < 0) {
+		errno = -ret;
+		return -1;
+	} else {
+		return 0;
+	}
 }
 
 // TODO tmpnam