1 files changed, 28 insertions, 0 deletions
diff --git a/usr/klibc/stdio/fseek.c b/usr/klibc/stdio/fseek.c
new file mode 100644
index 0000000..e35f85e
--- /dev/null
+++ b/usr/klibc/stdio/fseek.c
@@ -0,0 +1,28 @@
+/*
+ * fseek.c
+ */
+
+#include "stdioint.h"
+
+__extern int fseek(FILE *file, off_t where, int whence)
+{
+	struct _IO_file_pvt *f = stdio_pvt(file);
+	off_t rv;
+
+	if (f->obytes)
+		if (__fflush(f))
+			return -1;
+
+	if (whence == SEEK_CUR)
+		where -= f->ibytes;
+
+	rv = lseek(f->pub._IO_fileno, where, whence);
+	if (__likely(rv >= 0)) {
+		f->pub._IO_eof = false;
+		f->ibytes = 0;
+		return 0;
+	} else {
+		f->pub._IO_error = true;
+		return -1;
+	}
+}