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vfs, fatfs: Add file truncate for fatfs

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Renz Bagaporo
2018-06-12 18:29:05 +08:00
committed by Renz Christian Bagaporo
parent 0e501e5edd
commit ea711f2ee9
9 changed files with 214 additions and 2 deletions
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4
components/vfs/include/esp_vfs.h
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@@ -174,6 +174,10 @@ typedef struct
int (*access_p)(void* ctx, const char *path, int amode);
int (*access)(const char *path, int amode);
};
union {
int (*truncate_p)(void* ctx, const char *path, off_t length);
int (*truncate)(const char *path, off_t length);
};
/** start_select is called for setting up synchronous I/O multiplexing of the desired file descriptors in the given VFS */
esp_err_t (*start_select)(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, SemaphoreHandle_t *signal_sem);
/** socket select function for socket FDs with the functionality of POSIX select(); this should be set only for the socket VFS */