+++ /dev/null
-/*
- * Copyright (C) 2010-2012 jeanfi@gmail.com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301 USA
- */
-#include <stdlib.h>
-#include <stdio.h>
-#include <sys/stat.h>
-#include <string.h>
-#include <dirent.h>
-
-#include "p_io.h"
-
-int is_dir(const char *path)
-{
- struct stat st;
-
- int ret = lstat(path, &st);
-
- if (ret == 0 && S_ISDIR(st.st_mode))
- return 1;
-
- return 0;
-}
-
-int is_file(const char *path)
-{
- struct stat st;
-
- int ret = lstat(path, &st);
-
- if (ret == 0 && S_ISREG(st.st_mode))
- return 1;
-
- return 0;
-}
-
-char *dir_normalize(const char *dpath)
-{
- char *npath;
- int n;
-
- if (!dpath || !strlen(dpath))
- return NULL;
-
- npath = strdup(dpath);
-
- n = strlen(npath);
-
- if (n > 1 && npath[n - 1] == '/')
- npath[n - 1] = '\0';
-
- return npath;
-}
-
-char **dir_list(const char *dpath, int (*filter) (const char *path))
-{
- struct dirent *ent;
- DIR *dir;
- char **paths;
- int n;
-
- dir = opendir(dpath);
-
- if (!dir)
- return NULL;
-
- n = 1;
- paths = malloc(sizeof(void *));
- *paths = NULL;
-
- while ((ent = readdir(dir)) != NULL) {
- char *fpath;
- char *name = ent->d_name;
-
- if (!strcmp(name, ".") || !strcmp(name, ".."))
- continue;
-
- fpath = malloc(strlen(dpath) + 1 + strlen(name) + 1);
-
- strcpy(fpath, dpath);
- strcat(fpath, "/");
- strcat(fpath, name);
-
- if (!filter || filter(fpath)) {
- char **npaths;
-
- n++;
- npaths = malloc(n * sizeof(void *));
- memcpy(npaths + 1, paths, (n - 1) * sizeof(void *));
- free(paths);
- paths = npaths;
- *npaths = fpath;
-
- } else {
- free(fpath);
- }
- }
-
- closedir(dir);
-
- return paths;
-}
-
-void paths_free(char **paths)
-{
- char **paths_cur;
-
- paths_cur = paths;
- while (*paths_cur) {
- free(*paths_cur);
-
- paths_cur++;
- }
-
- free(paths);
-}
-
-char *file_get_content(const char *fpath)
-{
- long size;
-
- char *page;
-
- size = file_get_size(fpath);
-
- if (size == -1) {
- page = NULL;
-
- } else if (size == 0) {
- page = malloc(1);
- *page = '\0';
-
- } else {
- FILE *fp = fopen(fpath, "rb");
- if (fp) {
- page = malloc(size + 1);
- if (!page || size != fread(page, 1, size, fp)) {
- free(page);
- return NULL;
- }
-
- *(page + size) = '\0';
-
- fclose(fp);
- } else {
- page = NULL;
- }
- }
-
- return page;
-}
-
-long file_get_size(const char *path)
-{
- FILE *fp;
-
- if (!is_file(path))
- return -1;
-
- fp = fopen(path, "rb");
- if (fp) {
- long size;
-
- if (fseek(fp, 0, SEEK_END) == -1)
- return -1;
-
- size = ftell(fp);
-
- fclose(fp);
-
- return size;
- }
-
- return -1;
-}
-
-#define FCOPY_BUF_SZ 4096
-static int FILE_copy(FILE *src, FILE *dst)
-{
- int ret = 0;
- char *buf = malloc(FCOPY_BUF_SZ);
- int n;
-
- if (!buf)
- return FILE_COPY_ERROR_ALLOC_BUFFER;
-
- while (!ret) {
- n = fread(buf, 1, FCOPY_BUF_SZ, src);
- if (n) {
- if (fwrite(buf, 1, n, dst) != n)
- ret = FILE_COPY_ERROR_WRITE;
- } else {
- if (!feof(src))
- ret = FILE_COPY_ERROR_READ;
- else
- break;
- }
- }
-
- free(buf);
-
- return ret;
-}
-
-int
-file_copy(const char *src, const char *dst)
-{
- FILE *fsrc, *fdst;
- int ret = 0;
-
- fsrc = fopen(src, "r");
-
- if (fsrc) {
- fdst = fopen(dst, "w+");
-
- if (fdst) {
- ret = FILE_copy(fsrc, fdst);
- fclose(fdst);
- } else {
- ret = FILE_COPY_ERROR_OPEN_DST;
- }
-
- fclose(fsrc);
- } else {
- ret = FILE_COPY_ERROR_OPEN_SRC;
- }
-
- return ret;
-}
-
-char *path_append(const char *dir, const char *path)
-{
- char *ret, *ndir;
-
- ndir = dir_normalize(dir);
-
- if (!ndir && (!path || !strlen(path)))
- ret = NULL;
-
- else if (!ndir) {
- ret = strdup(path);
-
- } else if (!path || !strlen(path)) {
- return ndir;
-
- } else {
- ret = malloc(strlen(ndir) + 1 + strlen(path) + 1);
- strcpy(ret, ndir);
- strcat(ret, "/");
- strcat(ret, path);
- }
-
- free(ndir);
-
- return ret;
-}
-
-void
-file_copy_print_error(int code, const char *src, const char *dst)
-{
- switch (code) {
- case 0:
- break;
- case FILE_COPY_ERROR_OPEN_SRC:
- printf("File copy error: failed to open %s.\n", src);
- break;
- case FILE_COPY_ERROR_OPEN_DST:
- printf("File copy error: failed to open %s.\n", dst);
- break;
- case FILE_COPY_ERROR_READ:
- printf("File copy error: failed to read %s.\n", src);
- break;
- case FILE_COPY_ERROR_WRITE:
- printf("File copy error: failed to write %s.\n", src);
- break;
- case FILE_COPY_ERROR_ALLOC_BUFFER:
- printf("File copy error: failed to allocate buffer.\n");
- break;
- default:
- printf("File copy error: unknown error %d.\n", code);
- }
-}
projects / psensor-pkg-debian.git / blobdiff