stream_dvd[nav]: Add const qualifiers to string arguments

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@31957 b3059339-0415-0410-9bf9-f77b7e298cf2

4 files changed, 8 insertions, 8 deletions

diff --git a/stream/stream_dvd.c b/stream/stream_dvd.c
index 03f5040536..0a93c18767 100644
--- a/stream/stream_dvd.c
+++ b/stream/stream_dvd.c
@@ -125,7 +125,7 @@ int dvd_lang_from_aid(stream_t *stream, int id) {
   return 0;
 }
 
-int dvd_aid_from_lang(stream_t *stream, unsigned char* lang) {
+int dvd_aid_from_lang(stream_t *stream, const unsigned char* lang) {
   dvd_priv_t *d=stream->priv;
   int code,i;
   if(lang) {
@@ -169,7 +169,7 @@ int dvd_lang_from_sid(stream_t *stream, int id) {
   return 0;
 }
 
-int dvd_sid_from_lang(stream_t *stream, unsigned char* lang) {
+int dvd_sid_from_lang(stream_t *stream, const unsigned char* lang) {
   dvd_priv_t *d=stream->priv;
   int code,i;
   while(lang && strlen(lang)>=2) {
diff --git a/stream/stream_dvd.h b/stream/stream_dvd.h
index 5872cb1d59..f0f0b5d08f 100644
--- a/stream/stream_dvd.h
+++ b/stream/stream_dvd.h
@@ -59,8 +59,8 @@ typedef struct {
 int dvd_number_of_subs(stream_t *stream);
 int dvd_lang_from_aid(stream_t *stream, int id);
 int dvd_lang_from_sid(stream_t *stream, int id);
-int dvd_aid_from_lang(stream_t *stream, unsigned char* lang);
-int dvd_sid_from_lang(stream_t *stream, unsigned char* lang);
+int dvd_aid_from_lang(stream_t *stream, const unsigned char* lang);
+int dvd_sid_from_lang(stream_t *stream, const unsigned char* lang);
 int dvd_chapter_from_cell(dvd_priv_t *dvd,int title,int cell);
 
 #endif /* MPLAYER_STREAM_DVD_H */
diff --git a/stream/stream_dvdnav.c b/stream/stream_dvdnav.c
index 5932fd049c..bbd2b2085b 100644
--- a/stream/stream_dvdnav.c
+++ b/stream/stream_dvdnav.c
@@ -733,7 +733,7 @@ static int mp_dvdnav_get_aid_from_format (stream_t *stream, int index, uint8_t l
  * \param lang: 2-characters language code[s], eventually separated by spaces of commas
  * \return -1 on error, current subtitle id if successful
  */
-int mp_dvdnav_aid_from_lang(stream_t *stream, unsigned char *language) {
+int mp_dvdnav_aid_from_lang(stream_t *stream, const unsigned char *language) {
   dvdnav_priv_t * priv = stream->priv;
   int k;
   uint8_t lg;
@@ -785,7 +785,7 @@ int mp_dvdnav_lang_from_aid(stream_t *stream, int aid, unsigned char *buf) {
  * \param lang: 2-characters language code[s], eventually separated by spaces of commas
  * \return -1 on error, current subtitle id if successful
  */
-int mp_dvdnav_sid_from_lang(stream_t *stream, unsigned char *language) {
+int mp_dvdnav_sid_from_lang(stream_t *stream, const unsigned char *language) {
   dvdnav_priv_t * priv = stream->priv;
   uint8_t lg, k;
   uint16_t lang, lcode;
diff --git a/stream/stream_dvdnav.h b/stream/stream_dvdnav.h
index 656d1b8e62..97c2cb6d71 100644
--- a/stream/stream_dvdnav.h
+++ b/stream/stream_dvdnav.h
@@ -30,9 +30,9 @@ typedef struct {
 
 int mp_dvdnav_number_of_subs(stream_t *stream);
 int mp_dvdnav_aid_from_audio_num(stream_t *stream, int audio_num);
-int mp_dvdnav_aid_from_lang(stream_t *stream, unsigned char *language);
+int mp_dvdnav_aid_from_lang(stream_t *stream, const unsigned char *language);
 int mp_dvdnav_lang_from_aid(stream_t *stream, int id, unsigned char *buf);
-int mp_dvdnav_sid_from_lang(stream_t *stream, unsigned char *language);
+int mp_dvdnav_sid_from_lang(stream_t *stream, const unsigned char *language);
 int mp_dvdnav_lang_from_sid(stream_t *stream, int sid, unsigned char *buf);
 void mp_dvdnav_handle_input(stream_t *stream, int cmd, int *button);
 void mp_dvdnav_update_mouse_pos(stream_t *stream, int32_t x, int32_t y, int* button);