Merge commit 'meins/master'

[paraslash.git] / afh_common.c

diff --git a/afh_common.c b/afh_common.c
index f7066cfc23e9246b707ad51fe4aa42681fe497d1..8c0eed2731837da4e8d3847d1d3d6caeddfe5102 100644 (file)
--- a/afh_common.c
+++ b/afh_common.c
@@ -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;