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vfs: Add ioctl() to filesystem set

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Angus Gratton 2017-10-04 09:24:40 +11:00 committed by Angus Gratton
parent 3a271a4ae7
commit a320fed3b5
2 changed files with 21 additions and 0 deletions
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4
components/vfs/include/esp_vfs.h
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@ -145,6 +145,10 @@ typedef struct
int (*fcntl_p)(void* ctx, int fd, int cmd, va_list args);
int (*fcntl)(int fd, int cmd, va_list args);
};
union {
int (*ioctl_p)(void* ctx, int fd, int cmd, va_list args);
int (*ioctl)(int fd, int cmd, va_list args);
};
} esp_vfs_t;

17
components/vfs/vfs.c
View file

@ -489,3 +489,20 @@ int fcntl(int fd, int cmd, ...)
va_end(args);
return ret;
}
int ioctl(int fd, int cmd, ...)
{
const vfs_entry_t* vfs = get_vfs_for_fd(fd);
struct _reent* r = __getreent();
if (vfs == NULL) {
__errno_r(r) = EBADF;
return -1;
}
int local_fd = translate_fd(vfs, fd);
int ret;
va_list args;
va_start(args, cmd);
CHECK_AND_CALL(ret, r, vfs, ioctl, local_fd, cmd, args);
va_end(args);
return ret;
}