From a8f69429b0a6492bdcb8b4d59a28c8ba90b45aed Mon Sep 17 00:00:00 2001
From: Max Kellermann <mk@cm4all.com>
Date: Thu, 20 Nov 2008 12:45:17 +0100
Subject: input_curl: don't fail when seek to EOF is requested

HTTP servers respond with "416 Requested Range Not Satisfiable" when a
client attempts to seek to the end of the file.  Catch this special
case in input_curl_seek().  This fixes a glitch in the ogg vorbis
decoder plugin.
---
 src/input_curl.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/input_curl.c b/src/input_curl.c
index 20b26a9ed..7c98cad7c 100644
--- a/src/input_curl.c
+++ b/src/input_curl.c
@@ -595,6 +595,14 @@ input_curl_seek(struct input_stream *is, off_t offset, int whence)
 
 	input_curl_easy_free(c);
 
+	if (is->offset == is->size) {
+		/* seek to EOF: simulate empty result; avoid
+		   triggering a "416 Requested Range Not Satisfiable"
+		   response */
+		c->eof = true;
+		return true;
+	}
+
 	ret = input_curl_easy_init(is);
 	if (!ret)
 		return false;
-- 
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