libextractor

commit 948506289c6fc3fc78bffe0b705e32ab879d61f7
parent 3c67abad5ea55f3a87a8e0e583db982d8ce99bd7
Author: Christian Grothoff <christian@grothoff.org>
Date:   Mon,  3 Sep 2012 14:15:47 +0000

add another temporary variable to make clear that the result is unsigned

Diffstat:
M
src/main/extractor_datasource.c
 | 
7
++++---

1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/src/main/extractor_datasource.c b/src/main/extractor_datasource.c
@@ -321,6 +321,7 @@ bfds_seek (struct BufferedFileDataSource *bfds,
 	   int64_t pos, int whence)
 {
   uint64_t npos;
+  size_t nbpos;
 
   switch (whence)
     {
@@ -334,11 +335,11 @@ bfds_seek (struct BufferedFileDataSource *bfds,
 	       (unsigned long long) bfds->fsize);
 	  return -1;
 	}
+      nbpos = bfds->buffer_pos + pos;
       if ( (NULL == bfds->buffer) ||
-	   ( (bfds->buffer_pos + pos < bfds->buffer_bytes) &&
-	     (bfds->buffer_pos + pos >= 0) ) )
+	   (nbpos < bfds->buffer_bytes) )
 	{
-	  bfds->buffer_pos += pos; 
+	  bfds->buffer_pos = nbpos; 
 	  return npos;
 	}
       if (0 != bfds_pick_next_buffer_at (bfds,