117 lines
3.7 KiB
C
117 lines
3.7 KiB
C
/*
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* Copyright (C) 2018 Intel Corporation
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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/*
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* Copyright (C) 2018 Intel Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __FSUTILS_H__
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#define __FSUTILS_H__
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#include <sys/stat.h>
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#include <dirent.h>
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#include <stdio.h>
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#include <errno.h>
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#define MAX(a, b) (((a) > (b)) ? (a) : (b))
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#define MIN(a, b) (((a) > (b)) ? (b) : (a))
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#define KB (1024)
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#define MB (KB * KB)
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#define MAXLINESIZE (PATH_MAX + 128)
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#define CPBUFFERSIZE (4 * KB)
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#define PAGE_SIZE (4 * KB)
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struct mm_file_t {
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char *path;
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int fd;
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char *begin;
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int size;
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};
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static inline int file_exists(const char *filename)
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{
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struct stat info;
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return (stat(filename, &info) == 0);
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}
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static inline int directory_exists(const char *path)
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{
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struct stat info;
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return (stat(path, &info) == 0 && S_ISDIR(info.st_mode));
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}
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static inline int get_file_size(const char *filepath)
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{
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struct stat info;
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if (filepath == NULL)
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return -ENOENT;
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if (stat(filepath, &info) < 0)
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return -errno;
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return info.st_size;
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}
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char *mm_get_line(struct mm_file_t *mfile, int line);
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int mkdir_p(char *path);
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int mm_count_lines(struct mm_file_t *mfile);
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struct mm_file_t *mmap_file(const char *path);
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void unmap_file(struct mm_file_t *mfile);
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int do_copy_tail(const char *src, const char *dest, int limit);
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int do_mv(char *src, char *dest);
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int append_file(char *filename, char *text);
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int mm_replace_str_line(struct mm_file_t *mfile, char *replace,
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int line);
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int replace_file_head(char *filename, char *text);
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int overwrite_file(const char *filename, const char *value);
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int readline(int fd, char buffer[MAXLINESIZE]);
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int file_read_string(const char *file, char *string, int size);
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void file_reset_init(const char *filename);
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int file_read_int(const char *filename, unsigned int *pcurrent);
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int file_update_int(const char *filename, unsigned int current,
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unsigned int max);
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int do_copy_eof(const char *src, const char *des);
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int space_available(char *path, int quota);
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int count_lines_in_file(const char *filename);
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int read_full_binary_file(const char *path, unsigned long *size,
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void **data);
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int file_read_key_value(const char *path, const char *key,
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const size_t limit, char *value);
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int file_read_key_value_r(const char *path, const char *key,
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const size_t limit, char *value);
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int ac_scandir(const char *dirp, struct dirent ***namelist,
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int (*filter)(const struct dirent *, const void *),
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const void *farg,
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int (*compar)(const struct dirent **,
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const struct dirent **));
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int filter_filename_substr(const struct dirent *entry, const void *arg);
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int filter_filename_exactly(const struct dirent *entry, const void *arg);
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int filter_filename_startswith(const struct dirent *entry,
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const void *arg);
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int dir_contains(const char *dir, const char *filename, int exact);
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int lsdir(const char *dir, char *fullname[], int limit);
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int find_file(char *dir, char *target_file, int depth, char *path[], int limit);
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int read_file(const char *path, unsigned long *size, void **data);
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int is_ac_filefmt(const char *file_fmt);
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int config_fmt_to_files(const char *file_fmt, char ***out);
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#endif
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