Import sources from 2011-03-30 iso image

1 files changed, 33 insertions, 0 deletions

diff --git a/sys/src/libc/9sys/access.c b/sys/src/libc/9sys/access.c
new file mode 100755
index 000000000..c9fee3432
--- /dev/null
+++ b/sys/src/libc/9sys/access.c
@@ -0,0 +1,33 @@
+#include <u.h>
+#include <libc.h>
+
+int
+access(char *name, int mode)
+{
+	int fd;
+	Dir *db;
+	static char omode[] = {
+		0,
+		OEXEC,
+		OWRITE,
+		ORDWR,
+		OREAD,
+		OEXEC,	/* only approximate */
+		ORDWR,
+		ORDWR	/* only approximate */
+	};
+
+	if(mode == AEXIST){
+		db = dirstat(name);
+		free(db);
+		if(db != nil)
+			return 0;
+		return -1;
+	}
+	fd = open(name, omode[mode&7]);
+	if(fd >= 0){
+		close(fd);
+		return 0;
+	}
+	return -1;
+}