io: Fix "buffer full" error with certain buffer sizes

Remove a useless check in xmlParserInputBufferGrow that could be
triggered after changing xmlBufAvail in c14cac8b.

Fixes #438.

1 files changed, 0 insertions, 6 deletions

diff --git a/xmlIO.c b/xmlIO.c
index 16c29f57..5482cb34 100644
--- a/xmlIO.c
+++ b/xmlIO.c
@@ -3234,12 +3234,6 @@ xmlParserInputBufferGrow(xmlParserInputBufferPtr in, int len) {
     if ((len <= MINLEN) && (len != 4))
         len = MINLEN;
 
-    if (xmlBufAvail(in->buffer) <= 0) {
-	xmlIOErr(XML_IO_BUFFER_FULL, NULL);
-	in->error = XML_IO_BUFFER_FULL;
-	return(-1);
-    }
-
     if (xmlBufGrow(in->buffer, len + 1) < 0) {
         xmlIOErrMemory("growing input buffer");
         in->error = XML_ERR_NO_MEMORY;