ALSA project - the C library reference
input.h
Go to the documentation of this file.
1 
11 /*
12  * This library is free software; you can redistribute it and/or modify
13  * it under the terms of the GNU Lesser General Public License as
14  * published by the Free Software Foundation; either version 2.1 of
15  * the License, or (at your option) any later version.
16  *
17  * This program is distributed in the hope that it will be useful,
18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20  * GNU Lesser General Public License for more details.
21  *
22  * You should have received a copy of the GNU Lesser General Public
23  * License along with this library; if not, write to the Free Software
24  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25  *
26  */
27 
28 #if !defined(__ASOUNDLIB_H) && !defined(ALSA_LIBRARY_BUILD)
29 /* don't use ALSA_LIBRARY_BUILD define in sources outside alsa-lib */
30 #warning "use #include <alsa/asoundlib.h>, <alsa/input.h> should not be used directly"
31 #include <alsa/asoundlib.h>
32 #endif
33 
34 #ifndef __ALSA_INPUT_H
35 #define __ALSA_INPUT_H
36 
37 #include <stdarg.h>
38 
39 #ifdef __cplusplus
40 extern "C" {
41 #endif
42 
62 typedef struct _snd_input snd_input_t;
63 
65 typedef enum _snd_input_type {
71 
72 int snd_input_stdio_open(snd_input_t **inputp, const char *file, const char *mode);
73 int snd_input_stdio_attach(snd_input_t **inputp, FILE *fp, int _close);
74 int snd_input_buffer_open(snd_input_t **inputp, const char *buffer, ssize_t size);
75 int snd_input_close(snd_input_t *input);
76 int snd_input_scanf(snd_input_t *input, const char *format, ...)
77 #ifndef DOC_HIDDEN
78  __attribute__ ((format (scanf, 2, 3)))
79 #endif
80  ;
81 char *snd_input_gets(snd_input_t *input, char *str, size_t size);
82 int snd_input_getc(snd_input_t *input);
83 int snd_input_ungetc(snd_input_t *input, int c);
84 
87 #ifdef __cplusplus
88 }
89 #endif
90 
91 #endif /* __ALSA_INPUT_H */
int snd_input_scanf(snd_input_t *input, const char *format,...)
Reads formatted input (like fscanf(3)) from an input handle.
Definition: input.c:74
int snd_input_buffer_open(snd_input_t **inputp, const char *buffer, ssize_t size)
Creates a new input object from a memory buffer.
Definition: input.c:306
struct _snd_input snd_input_t
Internal structure for an input object.
Definition: input.h:62
int snd_input_getc(snd_input_t *input)
Reads a character from an input handle (like fgetc(3)).
Definition: input.c:104
int snd_input_ungetc(snd_input_t *input, int c)
Puts the last character read back to an input handle (like ungetc(3)).
Definition: input.c:115
char * snd_input_gets(snd_input_t *input, char *str, size_t size)
Reads a line from an input handle (like fgets(3)).
Definition: input.c:94
Definition: input.h:67
snd_input_type_t
Definition: input.h:65
uint16_t format
Definition: ump_msg.h:184
int snd_input_close(snd_input_t *input)
Closes an input handle.
Definition: input.c:58
Definition: input.h:69
int snd_input_stdio_attach(snd_input_t **inputp, FILE *fp, int _close)
Creates a new input object using an existing stdio FILE pointer.
Definition: input.c:179
int snd_input_stdio_open(snd_input_t **inputp, const char *file, const char *mode)
Creates a new input object reading from a file.
Definition: input.c:209