diff options
Diffstat (limited to 'vold/misc.c')
-rw-r--r-- | vold/misc.c | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/vold/misc.c b/vold/misc.c deleted file mode 100644 index 951414c63..000000000 --- a/vold/misc.c +++ /dev/null @@ -1,91 +0,0 @@ - -/* - * Copyright (C) 2008 The Android Open Source Project - * - * 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 <string.h> -#include <fcntl.h> -#include <unistd.h> -#include <malloc.h> -#include <errno.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <unistd.h> - -void *read_file(char *filename, ssize_t *_size) -{ - int ret, fd; - struct stat sb; - ssize_t size; - void *buffer = NULL; - - /* open the file */ - fd = open(filename, O_RDONLY); - if (fd < 0) - return NULL; - - /* find out how big it is */ - if (fstat(fd, &sb) < 0) - goto bail; - size = sb.st_size; - - /* allocate memory for it to be read into */ - buffer = malloc(size); - if (!buffer) - goto bail; - - /* slurp it into our buffer */ - ret = read(fd, buffer, size); - if (ret != size) - goto bail; - - /* let the caller know how big it is */ - *_size = size; - -bail: - close(fd); - return buffer; -} -char *truncate_sysfs_path(char *path, int num_elements_to_remove, char *buffer) -{ - int i; - - strcpy(buffer, path); - - for (i = 0; i < num_elements_to_remove; i++) { - char *p = &buffer[strlen(buffer)-1]; - - for (p = &buffer[strlen(buffer) -1]; *p != '/'; p--); - *p = '\0'; - } - - return buffer; -} - -char *read_sysfs_var(char *buffer, size_t maxlen, char *devpath, char *var) -{ - char filename[255]; - char *p; - ssize_t sz; - - sprintf(filename, "/sys%s/%s", devpath, var); - p = read_file(filename, &sz); - p[(strlen(p) - 1)] = '\0'; - strncpy(buffer, p, maxlen); - free(p); - return buffer; -} - |