FreeRDP/libfreerdp-utils/file.c
2012-03-05 21:04:42 -05:00

263 lines
5.6 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Client
* File Utils
*
* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
*
* 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 <sys/stat.h>
#include <freerdp/types.h>
#include <freerdp/settings.h>
#include <freerdp/utils/memory.h>
#include <freerdp/utils/string.h>
#ifndef _WIN32
#include <unistd.h>
#else
#include <direct.h>
#define getcwd _getcwd
#endif
#include <freerdp/utils/file.h>
#include <freerdp/utils/windows.h>
#ifndef _WIN32
#define PATH_SEPARATOR_STR "/"
#define PATH_SEPARATOR_CHR '/'
#define HOME_ENV_VARIABLE "HOME"
#else
#define PATH_SEPARATOR_STR "\\"
#define PATH_SEPARATOR_CHR '\\'
#define HOME_ENV_VARIABLE "HOME"
#endif
#ifdef _WIN32
#define SHARED_LIB_SUFFIX ".dll"
#elif __APPLE__
#define SHARED_LIB_SUFFIX ".dylib"
#else
#define SHARED_LIB_SUFFIX ".so"
#endif
#define FREERDP_CONFIG_DIR ".freerdp"
#define PARENT_PATH ".." PATH_SEPARATOR_STR
void freerdp_mkdir(char* path)
{
#ifndef _WIN32
mkdir(path, S_IRUSR | S_IWUSR | S_IXUSR);
#else
CreateDirectoryA(path, 0);
#endif
}
boolean freerdp_check_file_exists(char* file)
{
struct stat stat_info;
if (stat(file, &stat_info) != 0)
return false;
return true;
}
char* freerdp_get_home_path(rdpSettings* settings)
{
if (settings->home_path == NULL)
settings->home_path = getenv(HOME_ENV_VARIABLE);
if (settings->home_path == NULL)
settings->home_path = xstrdup("/");
return settings->home_path;
}
char* freerdp_get_config_path(rdpSettings* settings)
{
if (settings->config_path != NULL)
return settings->config_path;
settings->config_path = (char*) xmalloc(strlen(settings->home_path) + sizeof(FREERDP_CONFIG_DIR) + 2);
sprintf(settings->config_path, "%s" PATH_SEPARATOR_STR "%s", settings->home_path, FREERDP_CONFIG_DIR);
if (!freerdp_check_file_exists(settings->config_path))
freerdp_mkdir(settings->config_path);
return settings->config_path;
}
char* freerdp_get_current_path(rdpSettings* settings)
{
if (settings->current_path == NULL)
settings->current_path = getcwd(NULL, 0);
return settings->current_path;
}
char* freerdp_construct_path(char* base_path, char* relative_path)
{
char* path;
int length;
int base_path_length;
int relative_path_length;
base_path_length = strlen(base_path);
relative_path_length = strlen(relative_path);
length = base_path_length + relative_path_length + 1;
path = xmalloc(length + 1);
sprintf(path, "%s" PATH_SEPARATOR_STR "%s", base_path, relative_path);
return path;
}
char* freerdp_append_shared_library_suffix(char* file_path)
{
char* p;
char* path = NULL;
int file_path_length;
int shared_lib_suffix_length;
if (file_path == NULL)
return NULL;
file_path_length = strlen(file_path);
shared_lib_suffix_length = strlen(SHARED_LIB_SUFFIX);
if (file_path_length >= shared_lib_suffix_length)
{
p = &file_path[file_path_length - shared_lib_suffix_length];
if (strcmp(p, SHARED_LIB_SUFFIX) != 0)
{
path = xmalloc(file_path_length + shared_lib_suffix_length + 1);
sprintf(path, "%s%s", file_path, SHARED_LIB_SUFFIX);
}
else
{
path = xstrdup(file_path);
}
}
else
{
path = xstrdup(file_path);
}
return path;
}
char* freerdp_get_parent_path(char* base_path, int depth)
{
int i;
char* p;
char* path;
int length;
int base_length;
if (base_path == NULL)
return NULL;
if (depth <= 0)
return xstrdup(base_path);
base_length = strlen(base_path);
p = &base_path[base_length];
for (i = base_length - 1; ((i >= 0) && (depth > 0)); i--)
{
if (base_path[i] == PATH_SEPARATOR_CHR)
{
p = &base_path[i];
depth--;
}
}
length = (p - base_path);
path = (char*) xmalloc(length + 1);
memcpy(path, base_path, length);
path[length] = '\0';
return path;
}
boolean freerdp_path_contains_separator(char* path)
{
if (path == NULL)
return false;
if (strchr(path, PATH_SEPARATOR_CHR) == NULL)
return false;
return true;
}
/* detects if we are running from the source tree */
boolean freerdp_detect_development_mode(rdpSettings* settings)
{
int depth = 0;
char* current_path;
char* development_path = NULL;
boolean development_mode = false;
if (freerdp_check_file_exists(".git"))
{
depth = 0;
development_mode = true;
}
else if (freerdp_check_file_exists(PARENT_PATH ".git"))
{
depth = 1;
development_mode = true;
}
else if (freerdp_check_file_exists(PARENT_PATH PARENT_PATH ".git"))
{
depth = 2;
development_mode = true;
}
current_path = freerdp_get_current_path(settings);
if (development_mode)
development_path = freerdp_get_parent_path(current_path, depth);
settings->development_mode = development_mode;
settings->development_path = development_path;
return settings->development_mode;
}
void freerdp_detect_paths(rdpSettings* settings)
{
freerdp_get_home_path(settings);
freerdp_get_config_path(settings);
freerdp_detect_development_mode(settings);
#if 0
printf("home path: %s\n", settings->home_path);
printf("config path: %s\n", settings->config_path);
printf("current path: %s\n", settings->current_path);
if (settings->development_mode)
printf("development path: %s\n", settings->development_path);
#endif
}