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ALSA: Add const prefix to proc helper functions

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Add appropriate const prefix to char * arguments in proc helper functions.
Also fixed the caller side to be proper const pointers.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2009-09-08 14:29:58 +02:00
parent 6e5265ec34
commit 4f7454a997
4 changed files with 8 additions and 6 deletions
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4
include/sound/info.h
View file

@ -110,13 +110,13 @@ void snd_card_info_read_oss(struct snd_info_buffer *buffer);
static inline void snd_card_info_read_oss(struct snd_info_buffer *buffer) {}
#endif
int snd_iprintf(struct snd_info_buffer *buffer, char *fmt, ...) \
int snd_iprintf(struct snd_info_buffer *buffer, const char *fmt, ...) \
__attribute__ ((format (printf, 2, 3)));
int snd_info_init(void);
int snd_info_done(void);
int snd_info_get_line(struct snd_info_buffer *buffer, char *line, int len);
char *snd_info_get_str(char *dest, char *src, int len);
const char *snd_info_get_str(char *dest, const char *src, int len);
struct snd_info_entry *snd_info_create_module_entry(struct module *module,
const char *name,
struct snd_info_entry *parent);

4
sound/core/info.c
View file

@ -108,7 +108,7 @@ static int resize_info_buffer(struct snd_info_buffer *buffer,
*
* Returns the size of output string.
*/
int snd_iprintf(struct snd_info_buffer *buffer, char *fmt,...)
int snd_iprintf(struct snd_info_buffer *buffer, const char *fmt, ...)
{
va_list args;
int len, res;
@ -727,7 +727,7 @@ EXPORT_SYMBOL(snd_info_get_line);
* Returns the updated pointer of the original string so that
* it can be used for the next call.
*/
char *snd_info_get_str(char *dest, char *src, int len)
const char *snd_info_get_str(char *dest, const char *src, int len)
{
int c;

3
sound/core/oss/mixer_oss.c
View file

@ -1154,7 +1154,8 @@ static void snd_mixer_oss_proc_write(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
struct snd_mixer_oss *mixer = entry->private_data;
char line[128], str[32], idxstr[16], *cptr;
char line[128], str[32], idxstr[16];
const char *cptr;
int ch, idx;
struct snd_mixer_oss_assign_table *tbl;
struct slot *slot;

3
sound/core/oss/pcm_oss.c
View file

@ -2836,7 +2836,8 @@ static void snd_pcm_oss_proc_write(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
struct snd_pcm_str *pstr = entry->private_data;
char line[128], str[32], task_name[32], *ptr;
char line[128], str[32], task_name[32];
const char *ptr;
int idx1;
struct snd_pcm_oss_setup *setup, *setup1, template;