Changeset 46577995 in mainline for uspace/lib/drv/include/audio_mixer_iface.h

Timestamp:

2018-01-04T20:50:52Z (8 years ago)

Author:

Jiří Zárevúcky <zarevucky.jiri@…>

Children:

e211ea04

Parents:

facacc71

git-author:

Jiří Zárevúcky <zarevucky.jiri@…> (2018-01-04 20:47:53)

git-committer:

Jiří Zárevúcky <zarevucky.jiri@…> (2018-01-04 20:50:52)

Message:

Use errno_t in all uspace and kernel code.

Change type of every variable, parameter and return value that holds an
<errno.h> constant to either errno_t (the usual case), or sys_errno_t
(some places in kernel). This is for the purpose of self-documentation,
as well as for type-checking with a bit of type definition hackery.

After this commit, HelenOS is free of code that mixes error codes with non-error
values on the assumption that error codes are negative.

File:

• uspace/lib/drv/include/audio_mixer_iface.h (modified) (1 diff)

uspace/lib/drv/include/audio_mixer_iface.h

@@ -43 +43 @@
 #include "ddf/driver.h"
 
-int audio_mixer_get_info(async_exch_t *, const char **, unsigned *);
-int audio_mixer_get_item_info(async_exch_t *, unsigned,
+errno_t audio_mixer_get_info(async_exch_t *, const char **, unsigned *);
+errno_t audio_mixer_get_item_info(async_exch_t *, unsigned,
     const char **, unsigned *);
-int audio_mixer_get_item_level(async_exch_t *, unsigned, unsigned *);
-int audio_mixer_set_item_level(async_exch_t *, unsigned, unsigned);
+errno_t audio_mixer_get_item_level(async_exch_t *, unsigned, unsigned *);
+errno_t audio_mixer_set_item_level(async_exch_t *, unsigned, unsigned);
 
 
 /** Audio mixer communication interface. */
 typedef struct {
-        int (*get_info)(ddf_fun_t *, const char **, unsigned *);
-        int (*get_item_info)(ddf_fun_t *, unsigned, const char **, unsigned *);
-        int (*get_item_level)(ddf_fun_t *, unsigned, unsigned *);
-        int (*set_item_level)(ddf_fun_t *, unsigned, unsigned);
+        errno_t (*get_info)(ddf_fun_t *, const char **, unsigned *);
+        errno_t (*get_item_info)(ddf_fun_t *, unsigned, const char **, unsigned *);
+        errno_t (*get_item_level)(ddf_fun_t *, unsigned, unsigned *);
+        errno_t (*set_item_level)(ddf_fun_t *, unsigned, unsigned);
 } audio_mixer_iface_t;