X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=afh_common.c;h=f57ca89fb4b4afc8d7387269d97c0dd1630fddd5;hp=4f84334c8486d48aee712f6099fd72e847b78af5;hb=06372eab260c4d2cba43bfef0d668744aa6c1216;hpb=04a8d064400936dc6ecd3b137397cb2ce2cc25d7

diff --git a/afh_common.c b/afh_common.c
index 4f84334c..f57ca89f 100644
--- a/afh_common.c
+++ b/afh_common.c
@@ -143,7 +143,11 @@ int guess_audio_format(const char *name)
 int compute_afhi(const char *path, char *data, size_t size,
 		struct afh_info *afhi)
 {
-	int ret, i, format = guess_audio_format(path);
+	int ret, i, format;
+
+	afhi->header_offset = 0;
+	afhi->header_len = 0;
+	format = guess_audio_format(path);
 
 	if (format >= 0) {
 		ret = afl[format].get_file_info(data, size, afhi);
@@ -178,7 +182,7 @@ const char *audio_format_name(int i)
 
 
 void afh_get_chunk(long unsigned chunk_num, struct afh_info *afhi,
-		void *map, char **buf, size_t *len)
+		void *map, const char **buf, size_t *len)
 {
 	size_t pos = afhi->chunk_table[chunk_num];
 	*buf = map + pos;
@@ -197,7 +201,7 @@ void afh_get_chunk(long unsigned chunk_num, struct afh_info *afhi,
  * afhi is \p NULL, or if the current audio format does not need special
  * header treamtment.
  */
-void afh_get_header(struct afh_info *afhi, void *map, char **buf, size_t *len)
+void afh_get_header(struct afh_info *afhi, void *map, const char **buf, size_t *len)
 {
 	if (!map || !afhi || ! afhi->header_len) {
 		*buf = NULL;