Import sources from 2011-03-30 iso image

1 files changed, 24 insertions, 0 deletions

diff --git a/sys/src/ape/lib/ap/plan9/lseek.c b/sys/src/ape/lib/ap/plan9/lseek.c
new file mode 100755
index 000000000..8c4eba39d
--- /dev/null
+++ b/sys/src/ape/lib/ap/plan9/lseek.c
@@ -0,0 +1,24 @@
+#include "lib.h"
+#include <unistd.h>
+#include <errno.h>
+#include "sys9.h"
+
+/*
+ * BUG: errno mapping
+ */
+off_t
+lseek(int d, off_t offset, int whence)
+{
+	long long n;
+	int flags;
+
+	flags = _fdinfo[d].flags;
+	if(flags&(FD_BUFFERED|FD_BUFFEREDX|FD_ISTTY)) {
+		errno = ESPIPE;
+		return -1;
+	}
+	n = _SEEK(d, offset, whence);
+	if(n < 0)
+		_syserrno();
+	return n;
+}