diff options
Diffstat (limited to 'hw/shared.c')
-rw-r--r-- | hw/shared.c | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/hw/shared.c b/hw/shared.c deleted file mode 100644 index b6401c1..0000000 --- a/hw/shared.c +++ /dev/null @@ -1,129 +0,0 @@ -/* - * device-node - * - * Copyright (c) 2015 Samsung Electronics Co., Ltd. - * - * Licensed under the Apache License, Version 2.0 (the License); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <errno.h> - -#define BUF_MAX 255 - -static int sys_read_buf(char *file, char *buf, int len) -{ - int fd, r; - - if (!file || !buf || len < 0) - return -EINVAL; - - fd = open(file, O_RDONLY); - if (fd == -1) - return -ENOENT; - - r = read(fd, buf, len); - close(fd); - if ((r >= 0) && (r < len)) - buf[r] = '\0'; - else - return -EIO; - - return 0; -} - -static int sys_write_buf(char *file, char *buf) -{ - int fd, r; - - if (!file || !buf) - return -EINVAL; - - fd = open(file, O_WRONLY); - if (fd == -1) - return -EPERM; - - r = write(fd, buf, strlen(buf)); - close(fd); - if (r < 0) - return -EIO; - - return 0; -} - -int sys_get_int(char *fname, int *val) -{ - char buf[BUF_MAX]; - int r; - - if (!fname || !val) - return -EINVAL; - - r = sys_read_buf(fname, buf, sizeof(buf)); - if (r < 0) - return r; - - *val = atoi(buf); - return 0; -} - -int sys_get_str(char *fname, char *str, int len) -{ - int r; - - if (!fname || !str || len < 0) - return -EINVAL; - - r = sys_read_buf(fname, str, len); - if (r < 0) - return r; - - return 0; -} - -int sys_set_int(char *fname, int val) -{ - char buf[BUF_MAX]; - int r; - - if (!fname) - return -EINVAL; - - snprintf(buf, sizeof(buf), "%d", val); - r = sys_write_buf(fname, buf); - if (r < 0) - return r; - - return 0; -} - -int sys_set_str(char *fname, char *val) -{ - int r; - - if (!fname || !val) - return -EINVAL; - - r = sys_write_buf(fname, val); - if (r < 0) - return r; - - return 0; -} |