/* Copyright (C) 2010-2019 The RetroArch team
*
* ---------------------------------------------------------------------------------------
* The following license statement only applies to this file (file_path.c).
* ---------------------------------------------------------------------------------------
*
* Permission is hereby granted, free of charge,
* to any person obtaining a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <errno.h>
#include <sys/stat.h>
#include <boolean.h>
#include <file/file_path.h>
#include <retro_assert.h>
#include <string/stdstring.h>
#define VFS_FRONTEND
#include <vfs/vfs_implementation.h>
/* TODO: There are probably some unnecessary things on this huge include list now but I'm too afraid to touch it */
#ifdef __APPLE__
#include <CoreFoundation/CoreFoundation.h>
#endif
#ifdef __HAIKU__
#include <kernel/image.h>
#endif
#ifndef __MACH__
#include <compat/strl.h>
#include <compat/posix_string.h>
#endif
#include <compat/strcasestr.h>
#include <retro_miscellaneous.h>
#include <encodings/utf.h>
#if defined(_WIN32)
#ifdef _MSC_VER
#define setmode _setmode
#endif
#include <sys/stat.h>
#ifdef _XBOX
#include <xtl.h>
#define INVALID_FILE_ATTRIBUTES -1
#else
#include <io.h>
#include <fcntl.h>
#include <direct.h>
#include <windows.h>
#if defined(_MSC_VER) && _MSC_VER <= 1200
#define INVALID_FILE_ATTRIBUTES ((DWORD)-1)
#endif
#endif
#elif defined(VITA)
#define SCE_ERROR_ERRNO_EEXIST 0x80010011
#include <psp2/io/fcntl.h>
#include <psp2/io/dirent.h>
#include <psp2/io/stat.h>
#else
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#endif
#if defined(ORBIS)
#include <orbisFile.h>
#include <sys/fcntl.h>
#include <sys/dirent.h>
#endif
#if defined(PSP)
#include <pspkernel.h>
#endif
#if defined(PS2)
#include <fileXio_rpc.h>
#include <fileXio.h>
#endif
#if defined(__CELLOS_LV2__)
#include <cell/cell_fs.h>
#endif
#if defined(VITA)
#define FIO_S_ISDIR SCE_S_ISDIR
#endif
#if (defined(__CELLOS_LV2__) && !defined(__PSL1GHT__)) || defined(__QNX__) || defined(PSP) || defined(PS2)
#include <unistd.h> /* stat() is defined here */
#endif
#if !defined(RARCH_CONSOLE) && defined(RARCH_INTERNAL)
#ifdef __WINRT__
#include <uwp/uwp_func.h>
#endif
#endif
/* Assume W-functions do not work below Win2K and Xbox platforms */
#if defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0500 || defined(_XBOX)
#ifndef LEGACY_WIN32
#define LEGACY_WIN32
#endif
#endif
static retro_vfs_stat_t path_stat_cb = NULL;
static retro_vfs_mkdir_t path_mkdir_cb = NULL;
void path_vfs_init(const struct retro_vfs_interface_info* vfs_info)
{
const struct retro_vfs_interface*
vfs_iface = vfs_info->iface;
path_stat_cb = NULL;
path_mkdir_cb = NULL;
if (vfs_info->required_interface_version < PATH_REQUIRED_VFS_VERSION || !vfs_iface)
return;
path_stat_cb = vfs_iface->stat;
path_mkdir_cb = vfs_iface->mkdir;
}
#define path_stat(path, size) ((path_stat_cb != NULL) ? path_stat_cb((path), (size)) : retro_vfs_stat_impl((path), (size)))
#define path_mkdir_norecurse(dir) ((path_mkdir_cb != NULL) ? path_mkdir_cb((dir)) : retro_vfs_mkdir_impl((dir)))
/**
* path_is_directory:
* @path : path
*
* Checks if path is a directory.
*
* Returns: true (1) if path is a directory, otherwise false (0).
*/
bool path_is_directory(const char *path)
{
#ifdef ORBIS
/* TODO: This should be moved to the VFS module */
int dfd;
if (!path)
return false;
dfd = orbisDopen(path);
if (dfd < 0)
return false;
orbisDclose(dfd);
return true;
#else
return (path_stat(path, NULL) & RETRO_VFS_STAT_IS_DIRECTORY) != 0;
#endif
}
bool path_is_character_special(const char *path)
{
return (path_stat(path, NULL) & RETRO_VFS_STAT_IS_CHARACTER_SPECIAL) != 0;
}
bool path_is_valid(const char *path)
{
return (path_stat(path, NULL) & RETRO_VFS_STAT_IS_VALID) != 0;
}
int32_t path_get_size(const char *path)
{
int32_t filesize = 0;
if (path_stat(path, &filesize) != 0)
return filesize;
return -1;
}
/**
* path_mkdir:
* @dir : directory
*
* Create directory on filesystem.
*
* Returns: true (1) if directory could be created, otherwise false (0).
**/
bool path_mkdir(const char *dir)
{
bool sret = false;
bool norecurse = false;
char *basedir = NULL;
if (!(dir && *dir))
return false;
/* Use heap. Real chance of stack
* overflow if we recurse too hard. */
basedir = strdup(dir);
path_parent_dir(basedir);
if (!*basedir || !strcmp(basedir, dir))
{
free(basedir);
return false;
}
if (path_is_directory(basedir))
norecurse = true;
else
{
sret = path_mkdir(basedir);
if (sret)
norecurse = true;
}
free(basedir);
if (norecurse)
{
int ret = path_mkdir_norecurse(dir);
/* Don't treat this as an error. */
if (ret == -2 && path_is_directory(dir))
return true;
return (ret == 0);
}
return sret;
}
/**
* path_get_archive_delim:
* @path : path
*
* Find delimiter of an archive file. Only the first '#'
* after a compression extension is considered.
*
* Returns: pointer to the delimiter in the path if it contains
* a path inside a compressed file, otherwise NULL.
*/
const char *path_get_archive_delim(const char *path)
{
const char *last = find_last_slash(path);
const char *delim = NULL;
if (!last)
return NULL;
/* Test if it's .zip */
delim = strcasestr(last, ".zip#");
if (!delim) /* If it's not a .zip, test if it's .apk */
delim = strcasestr(last, ".apk#");
if (delim)
return delim + 4;
/* If it's not a .zip or .apk file, test if it's .7z */
delim = strcasestr(last, ".7z#");
if (delim)
return delim + 3;
return NULL;
}
/**
* path_get_extension:
* @path : path
*
* Gets extension of file. Only '.'s
* after the last slash are considered.
*
* Returns: extension part from the path.
*/
const char *path_get_extension(const char *path)
{
const char *ext;
if (!string_is_empty(path) && ((ext = strrchr(path_basename(path), '.'))))
return ext + 1;
return "";
}
/**
* path_remove_extension:
* @path : path
*
* Mutates path by removing its extension. Removes all
* text after and including the last '.'.
* Only '.'s after the last slash are considered.
*
* Returns:
* 1) If path has an extension, returns path with the
* extension removed.
* 2) If there is no extension, returns NULL.
* 3) If path is empty or NULL, returns NULL
*/
char *path_remove_extension(char *path)
{
char *last = !string_is_empty(path)
? (char*)strrchr(path_basename(path), '.') : NULL;
if (!last)
return NULL;
if (*last)
*last = '\0';
return path;
}
/**
* path_is_compressed_file:
* @path : path
*
* Checks if path is a compressed file.
*
* Returns: true (1) if path is a compressed file, otherwise false (0).
**/
bool path_is_compressed_file(const char* path)
{
const char *ext = path_get_extension(path);
if ( strcasestr(ext, "zip")
|| strcasestr(ext, "apk")
|| strcasestr(ext, "7z"))
return true;
return false;
}
/**
* fill_pathname:
* @out_path : output path
* @in_path : input path
* @replace : what to replace
* @size : buffer size of output path
*
* FIXME: Verify
*
* Replaces filename extension with 'replace' and outputs result to out_path.
* The extension here is considered to be the string from the last '.'
* to the end.
*
* Only '.'s after the last slash are considered as extensions.
* If no '.' is present, in_path and replace will simply be concatenated.
* 'size' is buffer size of 'out_path'.
* E.g.: in_path = "/foo/bar/baz/boo.c", replace = ".asm" =>
* out_path = "/foo/bar/baz/boo.asm"
* E.g.: in_path = "/foo/bar/baz/boo.c", replace = "" =>
* out_path = "/foo/bar/baz/boo"
*/
void fill_pathname(char *out_path, const char *in_path,
const char *replace, size_t size)
{
char tmp_path[PATH_MAX_LENGTH];
char *tok = NULL;
tmp_path[0] = '\0';
strlcpy(tmp_path, in_path, sizeof(tmp_path));
if ((tok = (char*)strrchr(path_basename(tmp_path), '.')))
*tok = '\0';
fill_pathname_noext(out_path, tmp_path, replace, size);
}
/**
* fill_pathname_noext:
* @out_path : output path
* @in_path : input path
* @replace : what to replace
* @size : buffer size of output path
*
* Appends a filename extension 'replace' to 'in_path', and outputs
* result in 'out_path'.
*
* Assumes in_path has no extension. If an extension is still
* present in 'in_path', it will be ignored.
*
*/
void fill_pathname_noext(char *out_path, const char *in_path,
const char *replace, size_t size)
{
strlcpy(out_path, in_path, size);
strlcat(out_path, replace, size);
}
char *find_last_slash(const char *str)
{
const char *slash = strrchr(str, '/');
#ifdef _WIN32
const char *backslash = strrchr(str, '\\');
if (backslash && ((slash && backslash > slash) || !slash))
return (char*)backslash;
#endif
return (char*)slash;
}
/**
* fill_pathname_slash:
* @path : path
* @size : size of path
*
* Assumes path is a directory. Appends a slash
* if not already there.
**/
void fill_pathname_slash(char *path, size_t size)
{
size_t path_len;
const char *last_slash = find_last_slash(path);
if (!last_slash)
{
strlcat(path, path_default_slash(), size);
return;
}
path_len = strlen(path);
/* Try to preserve slash type. */
if (last_slash != (path + path_len - 1))
{
char join_str[2];
join_str[0] = '\0';
strlcpy(join_str, last_slash, sizeof(join_str));
strlcat(path, join_str, size);
}
}
/**
* fill_pathname_dir:
* @in_dir : input directory path
* @in_basename : input basename to be appended to @in_dir
* @replace : replacement to be appended to @in_basename
* @size : size of buffer
*
* Appends basename of 'in_basename', to 'in_dir', along with 'replace'.
* Basename of in_basename is the string after the last '/' or '\\',
* i.e the filename without directories.
*
* If in_basename has no '/' or '\\', the whole 'in_basename' will be used.
* 'size' is buffer size of 'in_dir'.
*
* E.g..: in_dir = "/tmp/some_dir", in_basename = "/some_content/foo.c",
* replace = ".asm" => in_dir = "/tmp/some_dir/foo.c.asm"
**/
void fill_pathname_dir(char *in_dir, const char *in_basename,
const char *replace, size_t size)
{
const char *base = NULL;
fill_pathname_slash(in_dir, size);
base = path_basename(in_basename);
strlcat(in_dir, base, size);
strlcat(in_dir, replace, size);
}
/**
* fill_pathname_base:
* @out : output path
* @in_path : input path
* @size : size of output path
*
* Copies basename of @in_path into @out_path.
**/
void fill_pathname_base(char *out, const char *in_path, size_t size)
{
const char *ptr = path_basename(in_path);
if (!ptr)
ptr = in_path;
strlcpy(out, ptr, size);
}
void fill_pathname_base_noext(char *out,
const char *in_path, size_t size)
{
fill_pathname_base(out, in_path, size);
path_remove_extension(out);
}
void fill_pathname_base_ext(char *out,
const char *in_path, const char *ext,
size_t size)
{
fill_pathname_base_noext(out, in_path, size);
strlcat(out, ext, size);
}
/**
* fill_pathname_basedir:
* @out_dir : output directory
* @in_path : input path
* @size : size of output directory
*
* Copies base directory of @in_path into @out_path.
* If in_path is a path without any slashes (relative current directory),
* @out_path will get path "./".
**/
void fill_pathname_basedir(char *out_dir,
const char *in_path, size_t size)
{
if (out_dir != in_path)
strlcpy(out_dir, in_path, size);
path_basedir(out_dir);
}
void fill_pathname_basedir_noext(char *out_dir,
const char *in_path, size_t size)
{
fill_pathname_basedir(out_dir, in_path, size);
path_remove_extension(out_dir);
}
/**
* fill_pathname_parent_dir_name:
* @out_dir : output directory
* @in_dir : input directory
* @size : size of output directory
*
* Copies only the parent directory name of @in_dir into @out_dir.
* The two buffers must not overlap. Removes trailing '/'.
* Returns true on success, false if a slash was not found in the path.
**/
bool fill_pathname_parent_dir_name(char *out_dir,
const char *in_dir, size_t size)
{
bool success = false;
char *temp = strdup(in_dir);
char *last = find_last_slash(temp);
*last = '\0';
in_dir = find_last_slash(temp);
success = in_dir && in_dir + 1;
if (success)
strlcpy(out_dir, in_dir + 1, size);
free(temp);
return success;
}
/**
* fill_pathname_parent_dir:
* @out_dir : output directory
* @in_dir : input directory
* @size : size of output directory
*
* Copies parent directory of @in_dir into @out_dir.
* Assumes @in_dir is a directory. Keeps trailing '/'.
* If the path was already at the root directory, @out_dir will be an empty string.
**/
void fill_pathname_parent_dir(char *out_dir,
const char *in_dir, size_t size)
{
if (out_dir != in_dir)
strlcpy(out_dir, in_dir, size);
path_parent_dir(out_dir);
}
/**
* fill_dated_filename:
* @out_filename : output filename
* @ext : extension of output filename
* @size : buffer size of output filename
*
* Creates a 'dated' filename prefixed by 'RetroArch', and
* concatenates extension (@ext) to it.
*
* E.g.:
* out_filename = "RetroArch-{month}{day}-{Hours}{Minutes}.{@ext}"
**/
void fill_dated_filename(char *out_filename,
const char *ext, size_t size)
{
time_t cur_time = time(NULL);
strftime(out_filename, size,
"RetroArch-%m%d-%H%M%S", localtime(&cur_time));
strlcat(out_filename, ext, size);
}
/**
* fill_str_dated_filename:
* @out_filename : output filename
* @in_str : input string
* @ext : extension of output filename
* @size : buffer size of output filename
*
* Creates a 'dated' filename prefixed by the string @in_str, and
* concatenates extension (@ext) to it.
*
* E.g.:
* out_filename = "RetroArch-{year}{month}{day}-{Hour}{Minute}{Second}.{@ext}"
**/
void fill_str_dated_filename(char *out_filename,
const char *in_str, const char *ext, size_t size)
{
char format[256];
time_t cur_time = time(NULL);
format[0] = '\0';
strftime(format, sizeof(format), "-%y%m%d-%H%M%S.", localtime(&cur_time));
fill_pathname_join_concat_noext(out_filename,
in_str, format, ext,
size);
}
/**
* path_basedir:
* @path : path
*
* Extracts base directory by mutating path.
* Keeps trailing '/'.
**/
void path_basedir(char *path)
{
char *last = NULL;
if (strlen(path) < 2)
return;
last = find_last_slash(path);
if (last)
last[1] = '\0';
else
snprintf(path, 3, ".%s", path_default_slash());
}
/**
* path_parent_dir:
* @path : path
*
* Extracts parent directory by mutating path.
* Assumes that path is a directory. Keeps trailing '/'.
* If the path was already at the root directory, returns empty string
**/
void path_parent_dir(char *path)
{
size_t len = strlen(path);
if (len && path_char_is_slash(path[len - 1]))
{
bool path_was_absolute = path_is_absolute(path);
path[len - 1] = '\0';
if (path_was_absolute && !find_last_slash(path))
{
/* We removed the only slash from what used to be an absolute path.
* On Linux, this goes from "/" to an empty string and everything works fine,
* but on Windows, we went from C:\ to C:, which is not a valid path and that later
* gets errornously treated as a relative one by path_basedir and returns "./".
* What we really wanted is an empty string. */
path[0] = '\0';
return;
}
}
path_basedir(path);
}
/**
* path_basename:
* @path : path
*
* Get basename from @path.
*
* Returns: basename from path.
**/
const char *path_basename(const char *path)
{
/* We cut at the first compression-related hash */
const char *delim = path_get_archive_delim(path);
if (delim)
return delim + 1;
{
/* We cut at the last slash */
const char *last = find_last_slash(path);
if (last)
return last + 1;
}
return path;
}
/**
* path_is_absolute:
* @path : path
*
* Checks if @path is an absolute path or a relative path.
*
* Returns: true if path is absolute, false if path is relative.
**/
bool path_is_absolute(const char *path)
{
if (path[0] == '/')
return true;
#ifdef _WIN32
/* Many roads lead to Rome ... */
if (( strstr(path, "\\\\") == path)
|| strstr(path, ":/")
|| strstr(path, ":\\")
|| strstr(path, ":\\\\"))
return true;
#elif defined(__wiiu__)
if (strstr(path, ":/"))
return true;
#endif
return false;
}
/**
* path_resolve_realpath:
* @buf : buffer for path
* @size : size of buffer
*
* Turns relative paths into absolute path.
* If relative, rebases on current working dir.
**/
void path_resolve_realpath(char *buf, size_t size)
{
#if !defined(RARCH_CONSOLE) && defined(RARCH_INTERNAL)
char tmp[PATH_MAX_LENGTH];
tmp[0] = '\0';
strlcpy(tmp, buf, sizeof(tmp));
#ifdef _WIN32
if (!_fullpath(buf, tmp, size))
strlcpy(buf, tmp, size);
#else
/* NOTE: realpath() expects at least PATH_MAX_LENGTH bytes in buf.
* Technically, PATH_MAX_LENGTH needn't be defined, but we rely on it anyways.
* POSIX 2008 can automatically allocate for you,
* but don't rely on that. */
if (!realpath(tmp, buf))
strlcpy(buf, tmp, size);
#endif
#endif
}
/**
* fill_pathname_resolve_relative:
* @out_path : output path
* @in_refpath : input reference path
* @in_path : input path
* @size : size of @out_path
*
* Joins basedir of @in_refpath together with @in_path.
* If @in_path is an absolute path, out_path = in_path.
* E.g.: in_refpath = "/foo/bar/baz.a", in_path = "foobar.cg",
* out_path = "/foo/bar/foobar.cg".
**/
void fill_pathname_resolve_relative(char *out_path,
const char *in_refpath, const char *in_path, size_t size)
{
if (path_is_absolute(in_path))
{
strlcpy(out_path, in_path, size);
return;
}
fill_pathname_basedir(out_path, in_refpath, size);
strlcat(out_path, in_path, size);
}
/**
* fill_pathname_join:
* @out_path : output path
* @dir : directory
* @path : path
* @size : size of output path
*
* Joins a directory (@dir) and path (@path) together.
* Makes sure not to get two consecutive slashes
* between directory and path.
**/
void fill_pathname_join(char *out_path,
const char *dir, const char *path, size_t size)
{
if (out_path != dir)
strlcpy(out_path, dir, size);
if (*out_path)
fill_pathname_slash(out_path, size);
strlcat(out_path, path, size);
}
void fill_pathname_join_special_ext(char *out_path,
const char *dir, const char *path,
const char *last, const char *ext,
size_t size)
{
fill_pathname_join(out_path, dir, path, size);
if (*out_path)
fill_pathname_slash(out_path, size);
strlcat(out_path, last, size);
strlcat(out_path, ext, size);
}
void fill_pathname_join_concat_noext(
char *out_path,
const char *dir, const char *path,
const char *concat,
size_t size)
{
fill_pathname_noext(out_path, dir, path, size);
strlcat(out_path, concat, size);
}
void fill_pathname_join_concat(char *out_path,
const char *dir, const char *path,
const char *concat,
size_t size)
{
fill_pathname_join(out_path, dir, path, size);
strlcat(out_path, concat, size);
}
void fill_pathname_join_noext(char *out_path,
const char *dir, const char *path, size_t size)
{
fill_pathname_join(out_path, dir, path, size);
path_remove_extension(out_path);
}
/**
* fill_pathname_join_delim:
* @out_path : output path
* @dir : directory
* @path : path
* @delim : delimiter
* @size : size of output path
*
* Joins a directory (@dir) and path (@path) together
* using the given delimiter (@delim).
**/
void fill_pathname_join_delim(char *out_path, const char *dir,
const char *path, const char delim, size_t size)
{
size_t copied;
/* behavior of strlcpy is undefined if dst and src overlap */
if (out_path == dir)
copied = strlen(dir);
else
copied = strlcpy(out_path, dir, size);
out_path[copied] = delim;
out_path[copied+1] = '\0';
if (path)
strlcat(out_path, path, size);
}
void fill_pathname_join_delim_concat(char *out_path, const char *dir,
const char *path, const char delim, const char *concat,
size_t size)
{
fill_pathname_join_delim(out_path, dir, path, delim, size);
strlcat(out_path, concat, size);
}
/**
* fill_short_pathname_representation:
* @out_rep : output representation
* @in_path : input path
* @size : size of output representation
*
* Generates a short representation of path. It should only
* be used for displaying the result; the output representation is not
* binding in any meaningful way (for a normal path, this is the same as basename)
* In case of more complex URLs, this should cut everything except for
* the main image file.
*
* E.g.: "/path/to/game.img" -> game.img
* "/path/to/myarchive.7z#folder/to/game.img" -> game.img
*/
void fill_short_pathname_representation(char* out_rep,
const char *in_path, size_t size)
{
char path_short[PATH_MAX_LENGTH];
path_short[0] = '\0';
fill_pathname(path_short, path_basename(in_path), "",
sizeof(path_short));
strlcpy(out_rep, path_short, size);
}
void fill_short_pathname_representation_noext(char* out_rep,
const char *in_path, size_t size)
{
fill_short_pathname_representation(out_rep, in_path, size);
path_remove_extension(out_rep);
}
void fill_pathname_expand_special(char *out_path,
const char *in_path, size_t size)
{
#if !defined(RARCH_CONSOLE) && defined(RARCH_INTERNAL)
if (in_path[0] == '~')
{
char *home_dir = (char*)malloc(PATH_MAX_LENGTH * sizeof(char));
home_dir[0] = '\0';
fill_pathname_home_dir(home_dir,
PATH_MAX_LENGTH * sizeof(char));
if (*home_dir)
{
size_t src_size = strlcpy(out_path, home_dir, size);
retro_assert(src_size < size);
out_path += src_size;
size -= src_size;
if (!path_char_is_slash(out_path[-1]))
{
src_size = strlcpy(out_path, path_default_slash(), size);
retro_assert(src_size < size);
out_path += src_size;
size -= src_size;
}
in_path += 2;
}
free(home_dir);
}
else if (in_path[0] == ':')
{
char *application_dir = (char*)malloc(PATH_MAX_LENGTH * sizeof(char));
application_dir[0] = '\0';
fill_pathname_application_dir(application_dir,
PATH_MAX_LENGTH * sizeof(char));
if (*application_dir)
{
size_t src_size = strlcpy(out_path, application_dir, size);
retro_assert(src_size < size);
out_path += src_size;
size -= src_size;
if (!path_char_is_slash(out_path[-1]))
{
src_size = strlcpy(out_path, path_default_slash(), size);
retro_assert(src_size < size);
out_path += src_size;
size -= src_size;
}
in_path += 2;
}
free(application_dir);
}
#endif
retro_assert(strlcpy(out_path, in_path, size) < size);
}
void fill_pathname_abbreviate_special(char *out_path,
const char *in_path, size_t size)
{
#if !defined(RARCH_CONSOLE) && defined(RARCH_INTERNAL)
unsigned i;
const char *candidates[3];
const char *notations[3];
char *application_dir = (char*)malloc(PATH_MAX_LENGTH * sizeof(char));
char *home_dir = (char*)malloc(PATH_MAX_LENGTH * sizeof(char));
application_dir[0] = '\0';
/* application_dir could be zero-string. Safeguard against this.
*
* Keep application dir in front of home, moving app dir to a
* new location inside home would break otherwise. */
/* ugly hack - use application_dir pointer
* before filling it in. C89 reasons */
candidates[0] = application_dir;
candidates[1] = home_dir;
candidates[2] = NULL;
notations [0] = ":";
notations [1] = "~";
notations [2] = NULL;
fill_pathname_application_dir(application_dir,
PATH_MAX_LENGTH * sizeof(char));
fill_pathname_home_dir(home_dir,
PATH_MAX_LENGTH * sizeof(char));
for (i = 0; candidates[i]; i++)
{
if (!string_is_empty(candidates[i]) &&
strstr(in_path, candidates[i]) == in_path)
{
size_t src_size = strlcpy(out_path, notations[i], size);
retro_assert(src_size < size);
out_path += src_size;
size -= src_size;
in_path += strlen(candidates[i]);
if (!path_char_is_slash(*in_path))
{
retro_assert(strlcpy(out_path,
path_default_slash(), size) < size);
out_path++;
size--;
}
break; /* Don't allow more abbrevs to take place. */
}
}
free(application_dir);
free(home_dir);
#endif
retro_assert(strlcpy(out_path, in_path, size) < size);
}
/**
* path_basedir:
* @path : path
*
* Extracts base directory by mutating path.
* Keeps trailing '/'.
**/
void path_basedir_wrapper(char *path)
{
char *last = NULL;
if (strlen(path) < 2)
return;
#ifdef HAVE_COMPRESSION
/* We want to find the directory with the archive in basedir. */
last = (char*)path_get_archive_delim(path);
if (last)
*last = '\0';
#endif
last = find_last_slash(path);
if (last)
last[1] = '\0';
else
snprintf(path, 3, ".%s", path_default_slash());
}
#if !defined(RARCH_CONSOLE) && defined(RARCH_INTERNAL)
void fill_pathname_application_path(char *s, size_t len)
{
size_t i;
#ifdef __APPLE__
CFBundleRef bundle = CFBundleGetMainBundle();
#endif
#ifdef _WIN32
DWORD ret = 0;
wchar_t wstr[PATH_MAX_LENGTH] = {0};
#endif
#ifdef __HAIKU__
image_info info;
int32_t cookie = 0;
#endif
(void)i;
if (!len)
return;
#if defined(_WIN32)
#ifdef LEGACY_WIN32
ret = GetModuleFileNameA(NULL, s, len);
#else
ret = GetModuleFileNameW(NULL, wstr, ARRAY_SIZE(wstr));
if (*wstr)
{
char *str = utf16_to_utf8_string_alloc(wstr);
if (str)
{
strlcpy(s, str, len);
free(str);
}
}
#endif
s[ret] = '\0';
#elif defined(__APPLE__)
if (bundle)
{
CFURLRef bundle_url = CFBundleCopyBundleURL(bundle);
CFStringRef bundle_path = CFURLCopyPath(bundle_url);
CFStringGetCString(bundle_path, s, len, kCFStringEncodingUTF8);
CFRelease(bundle_path);
CFRelease(bundle_url);
retro_assert(strlcat(s, "nobin", len) < len);
return;
}
#elif defined(__HAIKU__)
while (get_next_image_info(0, &cookie, &info) == B_OK)
{
if (info.type == B_APP_IMAGE)
{
strlcpy(s, info.name, len);
return;
}
}
#elif defined(__QNX__)
char *buff = malloc(len);
if(_cmdname(buff))
strlcpy(s, buff, len);
free(buff);
#else
{
pid_t pid;
static const char *exts[] = { "exe", "file", "path/a.out" };
char link_path[255];
link_path[0] = *s = '\0';
pid = getpid();
/* Linux, BSD and Solaris paths. Not standardized. */
for (i = 0; i < ARRAY_SIZE(exts); i++)
{
ssize_t ret;
snprintf(link_path, sizeof(link_path), "/proc/%u/%s",
(unsigned)pid, exts[i]);
ret = readlink(link_path, s, len - 1);
if (ret >= 0)
{
s[ret] = '\0';
return;
}
}
}
#endif
}
void fill_pathname_application_dir(char *s, size_t len)
{
#ifdef __WINRT__
strlcpy(s, uwp_dir_install, len);
#else
fill_pathname_application_path(s, len);
path_basedir_wrapper(s);
#endif
}
void fill_pathname_home_dir(char *s, size_t len)
{
#ifdef __WINRT__
strlcpy(s, uwp_dir_data, len);
#else
const char *home = getenv("HOME");
if (home)
strlcpy(s, home, len);
else
*s = 0;
#endif
}
#endif
bool is_path_accessible_using_standard_io(char *path)
{
#ifdef __WINRT__
bool result;
size_t path_sizeof = PATH_MAX_LENGTH * sizeof(char);
char *relative_path_abbrev = (char*)malloc(path_sizeof);
fill_pathname_abbreviate_special(relative_path_abbrev, path, path_sizeof);
result = strlen(relative_path_abbrev) >= 2 && (relative_path_abbrev[0] == ':' || relative_path_abbrev[0] == '~') && path_char_is_slash(relative_path_abbrev[1]);
free(relative_path_abbrev);
return result;
#else
return true;
#endif
}