esp-idf/components/newlib/platform_include/sys/dirent.h

66 wiersze
1.7 KiB
C

/*
* SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#include <stddef.h>
#include <stdint.h>
#include <sys/types.h>
/**
* This header file provides POSIX-compatible definitions of directory
* access data types. Starting with newlib 3.3, related functions are defined
* in 'dirent.h' bundled with newlib.
* See http://pubs.opengroup.org/onlinepubs/7908799/xsh/dirent.h.html
* for reference.
*/
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Opaque directory structure
*/
typedef struct {
uint16_t dd_vfs_idx; /*!< VFS index, not to be used by applications */
uint16_t dd_rsv; /*!< field reserved for future extension */
/* remaining fields are defined by VFS implementation */
} DIR;
/**
* @brief Directory entry structure
*/
struct dirent {
ino_t d_ino; /*!< file number */
uint8_t d_type; /*!< not defined in POSIX, but present in BSD and Linux */
#define DT_UNKNOWN 0
#define DT_REG 1
#define DT_DIR 2
#if __BSD_VISIBLE
#define MAXNAMLEN 255
char d_name[MAXNAMLEN + 1]; /*!< zero-terminated file name */
#else
char d_name[256];
#endif
};
DIR* opendir(const char* name);
struct dirent* readdir(DIR* pdir);
long telldir(DIR* pdir);
void seekdir(DIR* pdir, long loc);
void rewinddir(DIR* pdir);
int closedir(DIR* pdir);
int readdir_r(DIR* pdir, struct dirent* entry, struct dirent** out_dirent);
int scandir(const char *dirname, struct dirent ***out_dirlist,
int (*select_func)(const struct dirent *),
int (*cmp_func)(const struct dirent **, const struct dirent **));
int alphasort(const struct dirent **d1, const struct dirent **d2);
#ifdef __cplusplus
}
#endif