PipeWire  0.3.66
src/pipewire/utils.h
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1 /* PipeWire */
2 /* SPDX-FileCopyrightText: Copyright © 2018 Wim Taymans */
3 /* SPDX-License-Identifier: MIT */
4 
5 #ifndef PIPEWIRE_UTILS_H
6 #define PIPEWIRE_UTILS_H
7 
8 #ifdef __cplusplus
9 extern "C" {
10 #endif
11 
12 #include <stdlib.h>
13 #include <string.h>
14 #include <sys/un.h>
15 #ifndef _POSIX_C_SOURCE
16 # include <sys/mount.h>
17 #endif
18 
19 #include <spa/utils/defs.h>
20 #include <spa/pod/pod.h>
21 
33 typedef void (*pw_destroy_t) (void *object);
34 
35 const char *
36 pw_split_walk(const char *str, const char *delimiter, size_t *len, const char **state);
37 
38 char **
39 pw_split_strv(const char *str, const char *delimiter, int max_tokens, int *n_tokens);
40 
41 int
42 pw_split_ip(char *str, const char *delimiter, int max_tokens, char *tokens[]);
43 
44 void
45 pw_free_strv(char **str);
46 
47 char *
48 pw_strip(char *str, const char *whitespace);
49 
50 #if !defined(strndupa)
51 # define strndupa(s, n) \
52  ({ \
53  const char *__old = (s); \
54  size_t __len = strnlen(__old, (n)); \
55  char *__new = (char *) __builtin_alloca(__len + 1); \
56  memcpy(__new, __old, __len); \
57  __new[__len] = '\0'; \
58  __new; \
59  })
60 #endif
61 
62 #if !defined(strdupa)
63 # define strdupa(s) \
64  ({ \
65  const char *__old = (s); \
66  size_t __len = strlen(__old) + 1; \
67  char *__new = (char *) alloca(__len); \
68  (char *) memcpy(__new, __old, __len); \
69  })
70 #endif
71 
73 ssize_t pw_getrandom(void *buf, size_t buflen, unsigned int flags);
74 
75 void pw_random(void *buf, size_t buflen);
76 
77 #define pw_rand32() ({ uint32_t val; pw_random(&val, sizeof(val)); val; })
78 
79 void* pw_reallocarray(void *ptr, size_t nmemb, size_t size);
80 
81 #ifdef PW_ENABLE_DEPRECATED
82 #define PW_DEPRECATED(v) (v)
83 #else
84 #define PW_DEPRECATED(v) ({ __typeof__(v) _v SPA_DEPRECATED = (v); (void)_v; (v); })
85 #endif /* PW_ENABLE_DEPRECATED */
86 
91 #ifdef __cplusplus
92 } /* extern "C" */
93 #endif
94 
95 #endif /* PIPEWIRE_UTILS_H */
spa/utils/defs.h
void * pw_reallocarray(void *ptr, size_t nmemb, size_t size)
Definition: utils.c:246
void(* pw_destroy_t)(void *object)
a function to destroy an item
Definition: src/pipewire/utils.h:37
char * pw_strip(char *str, const char *whitespace)
Strip all whitespace before and after a string.
Definition: utils.c:139
void pw_random(void *buf, size_t buflen)
Fill a buffer with random data.
Definition: utils.c:214
void pw_free_strv(char **str)
Free a NULL terminated array of strings.
Definition: utils.c:118
int pw_split_ip(char *str, const char *delimiter, int max_tokens, char *tokens[])
Split a string in-place based on delimiters.
Definition: utils.c:92
SPA_WARN_UNUSED_RESULT ssize_t pw_getrandom(void *buf, size_t buflen, unsigned int flags)
Fill a buffer with random data.
Definition: utils.c:187
const char * pw_split_walk(const char *str, const char *delimiter, size_t *len, const char **state)
Split a string based on delimiters.
Definition: utils.c:32
char ** pw_split_strv(const char *str, const char *delimiter, int max_tokens, int *n_tokens)
Split a string based on delimiters.
Definition: utils.c:55
#define SPA_WARN_UNUSED_RESULT
Definition: defs.h:285
spa/pod/pod.h
spa/utils/string.h