1 files changed, 61 insertions, 0 deletions
diff --git a/libc/stdio/ftello.c b/libc/stdio/ftello.c
new file mode 100644
index 000000000..7092f34cf
--- /dev/null
+++ b/libc/stdio/ftello.c
@@ -0,0 +1,61 @@
+/* Copyright (C) 2004       Manuel Novoa III    <mjn3@codepoet.org>
+ *
+ * GNU Library General Public License (LGPL) version 2 or later.
+ *
+ * Dedicated to Toni.  See uClibc/DEDICATION.mjn3 for details.
+ */
+
+#include "_stdio.h"
+
+#ifdef __DO_LARGEFILE
+# ifndef __UCLIBC_HAS_LFS__
+#  error large file support is not enabled!
+# endif
+
+# define FTELL				__ftello64
+# define OFFSET_TYPE		__off64_t
+
+weak_alias(__ftello64,ftello64);
+
+#else
+
+# define FTELL				ftell
+# define OFFSET_TYPE		long int
+
+weak_alias(ftell,ftello);
+
+#endif
+
+OFFSET_TYPE FTELL(register FILE *stream)
+{
+#if defined(__UCLIBC_HAS_LFS__) && !defined(__DO_LARGEFILE)
+
+	__offmax_t pos = __ftello64(stream);
+
+	if ((sizeof(long) >= sizeof(__offmax_t)) || (((long) pos) == pos)) {
+		return ((long) pos);
+	} else {
+		__set_errno(EOVERFLOW);
+		return -1;
+	}
+
+#else
+
+	__offmax_t pos = 0;
+	__STDIO_AUTO_THREADLOCK_VAR;
+
+	__STDIO_AUTO_THREADLOCK(stream);
+
+	__STDIO_STREAM_VALIDATE(stream);
+
+	if ((__SEEK(stream, &pos, SEEK_CUR) < 0)
+		|| (__stdio_adjust_position(stream, &pos) < 0)) {
+		pos = -1;
+	}
+
+	__STDIO_AUTO_THREADUNLOCK(stream);
+
+	return pos;
+
+#endif
+}