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vfs: change fcntl argument to int (instead of va_list), add weak fcntl

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This commit is contained in:
Ivan Grokhotkov
2019-03-11 17:45:31 +08:00
parent f19ecbbbfa
commit 48b1433772
4 changed files with 15 additions and 10 deletions
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14
components/vfs/vfs.c
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@@ -657,21 +657,27 @@ int rmdir(const char* name)
return ret;
}
int fcntl(int fd, int cmd, ...)
int _fcntl_r(struct _reent *r, int fd, int cmd, int arg)
{
const vfs_entry_t* vfs = get_vfs_for_fd(fd);
const int local_fd = get_local_fd(vfs, fd);
struct _reent* r = __getreent();
if (vfs == NULL || local_fd < 0) {
__errno_r(r) = EBADF;
return -1;
}
int ret;
CHECK_AND_CALL(ret, r, vfs, fcntl, local_fd, cmd, arg);
return ret;
}
int __attribute__((weak)) fcntl(int fd, int cmd, ...)
{
va_list args;
va_start(args, cmd);
CHECK_AND_CALL(ret, r, vfs, fcntl, local_fd, cmd, args);
int arg = va_arg(args, int);
va_end(args);
return ret;
struct _reent* r = __getreent();
return _fcntl_r(r, fd, cmd, arg);
}
int ioctl(int fd, int cmd, ...)