X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=afh_common.c;h=8c0eed2731837da4e8d3847d1d3d6caeddfe5102;hp=bec99bf4d29b6fb8b75d66e29a627eb4f5a002a3;hb=0dd69d3988a677aeb8d0d3aea8364c664ac35fb9;hpb=cb4dd13c2327c13d486b6abe572f4af2398b65de

diff --git a/afh_common.c b/afh_common.c
index bec99bf4..8c0eed27 100644
--- a/afh_common.c
+++ b/afh_common.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1997-2008 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 1997-2009 Andre Noll <maan@systemlinux.org>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
@@ -233,6 +233,15 @@ void afh_get_chunk(long unsigned chunk_num, struct afh_info *afhi,
 	*len = afhi->chunk_table[chunk_num + 1] - pos;
 }
 
+uint32_t afh_get_largest_chunk_size(struct afh_info *afhi)
+{
+	uint32_t n, largest = 0, *ct = afhi->chunk_table;
+
+	for (n = 1; n <= afhi->chunks_total; n++)
+		largest = PARA_MAX(largest, ct[n] - ct[n - 1]);
+	return largest;
+}
+
 /**
  * Get the header of an audio file.
  *
@@ -247,9 +256,10 @@ void afh_get_chunk(long unsigned chunk_num, struct afh_info *afhi,
  */
 void afh_get_header(struct afh_info *afhi, void *map, const char **buf, size_t *len)
 {
-	if (!map || !afhi || ! afhi->header_len) {
+	if (!map || !afhi || !afhi->header_len) {
 		*buf = NULL;
 		*len = 0;
+		return;
 	}
 	*len = afhi->header_len;
 	*buf = map + afhi->header_offset;