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utils.h
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utils.h
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/* PipeWire */
/* SPDX-FileCopyrightText: Copyright © 2018 Wim Taymans */
/* SPDX-License-Identifier: MIT */
#ifndef PIPEWIRE_UTILS_H
#define PIPEWIRE_UTILS_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdlib.h>
#include <string.h>
#include <sys/un.h>
#ifndef _POSIX_C_SOURCE
# include <sys/mount.h>
#endif
#include <errno.h>
#ifndef ENODATA
#define ENODATA 9919
#endif
#include <spa/utils/cleanup.h>
#include <spa/utils/defs.h>
#include <spa/pod/pod.h>
/** \defgroup pw_utils Utilities
*
* Various utility functions
*/
/**
* \addtogroup pw_utils
* \{
*/
/** a function to destroy an item */
typedef void (*pw_destroy_t) (void *object);
const char *
pw_split_walk(const char *str, const char *delimiter, size_t *len, const char **state);
char **
pw_split_strv(const char *str, const char *delimiter, int max_tokens, int *n_tokens);
int
pw_split_ip(char *str, const char *delimiter, int max_tokens, char *tokens[]);
char **pw_strv_parse(const char *val, size_t len, int max_tokens, int *n_tokens);
int pw_strv_find(char **a, const char *b);
int pw_strv_find_common(char **a, char **b);
void
pw_free_strv(char **str);
char *
pw_strip(char *str, const char *whitespace);
#if !defined(strndupa)
# define strndupa(s, n) \
({ \
const char *__old = (s); \
size_t __len = strnlen(__old, (n)); \
char *__new = (char *) __builtin_alloca(__len + 1); \
memcpy(__new, __old, __len); \
__new[__len] = '\0'; \
__new; \
})
#endif
#if !defined(strdupa)
# define strdupa(s) \
({ \
const char *__old = (s); \
size_t __len = strlen(__old) + 1; \
char *__new = (char *) alloca(__len); \
(char *) memcpy(__new, __old, __len); \
})
#endif
SPA_WARN_UNUSED_RESULT
ssize_t pw_getrandom(void *buf, size_t buflen, unsigned int flags);
void pw_random(void *buf, size_t buflen);
#define pw_rand32() ({ uint32_t val; pw_random(&val, sizeof(val)); val; })
void* pw_reallocarray(void *ptr, size_t nmemb, size_t size);
#ifdef PW_ENABLE_DEPRECATED
#define PW_DEPRECATED(v) (v)
#else
#define PW_DEPRECATED(v) ({ __typeof__(v) _v SPA_DEPRECATED = (v); (void)_v; (v); })
#endif /* PW_ENABLE_DEPRECATED */
/**
* \}
*/
SPA_DEFINE_AUTO_CLEANUP(pw_strv, char **, {
spa_clear_ptr(*thing, pw_free_strv);
})
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* PIPEWIRE_UTILS_H */