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Compartmentalize file_path functions over to file_path.c

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This commit is contained in:
twinaphex 2014-10-21 23:33:20 +02:00
parent 7d5f317da1
commit 2c5b744bc4
17 changed files with 679 additions and 580 deletions
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4
Makefile.common
View File

@ -96,6 +96,7 @@ OBJ += frontend/frontend.o \
dir_list.o \
libretro-sdk/string/string_list.o \
rarch_file_path.o \
file_path.o \
rarch_compr_file_path.o \
hash.o \
driver.o \
@ -632,8 +633,7 @@ endif
JOYCONFIG_OBJ += tools/retroarch-joyconfig.o \
conf/config_file.o \
rarch_file_path.o \
rarch_compr_file_path.o \
file_path.o \
libretro-sdk/string/string_list.o \
libretro-sdk/compat/compat.o \
tools/input_common_joyconfig.o

2
Makefile.ps3.salamander
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@ -19,7 +19,7 @@ endif
STRIP = $(CELL_SDK)/host-win32/ppu/bin/ppu-lv2-strip.exe
PPU_CFLAGS += -I. -Ilibretro-sdk/include -D__CELLOS_LV2__ -DIS_SALAMANDER -DRARCH_CONSOLE -DHAVE_SYSUTILS -DHAVE_SYSMODULES -DHAVE_RARCH_EXEC -DRARCH_INTERNAL
PPU_SRCS = frontend/frontend_salamander.c frontend/frontend_context.c frontend/platform/platform_ps3.c frontend/platform/platform_null.c rarch_file_path.c dir_list.c libretro-sdk/string/string_list.c libretro-sdk/compat/compat.c conf/config_file.c
PPU_SRCS = frontend/frontend_salamander.c frontend/frontend_context.c frontend/platform/platform_ps3.c frontend/platform/platform_null.c file_path.c dir_list.c libretro-sdk/string/string_list.c libretro-sdk/compat/compat.c conf/config_file.c
ifeq ($(HAVE_LOGGER), 1)
PPU_CFLAGS += -DHAVE_LOGGER -Ilogger/netlogger

2
Makefile.psp1.salamander
View File

@ -31,7 +31,7 @@ PSP_EBOOT_TITLE = RetroArch
PSP_EBOOT_ICON = psp1/ICON0.PNG
PSP_EBOOT_PIC1 = psp1/PIC1.PNG
OBJS = frontend/frontend_salamander.o frontend/frontend_context.o frontend/platform/platform_psp.o frontend/platform/platform_null.o rarch_file_path.o libretro-sdk/string/string_list.o dir_list.o libretro-sdk/compat/compat.o conf/config_file.o psp1/kernel_functions.o
OBJS = frontend/frontend_salamander.o frontend/frontend_context.o frontend/platform/platform_psp.o frontend/platform/platform_null.o file_path.o libretro-sdk/string/string_list.o dir_list.o libretro-sdk/compat/compat.o conf/config_file.o psp1/kernel_functions.o
PSPSDK=$(shell psp-config --pspsdk-path)
include $(PSPSDK)/lib/build.mak

2
Makefile.wii.salamander
View File

@ -39,7 +39,7 @@ LIBS := -lfat -lwiiuse -logc -lbte
APP_BOOTER_DIR = wii/app_booter
OBJ = frontend/frontend_salamander.o frontend/frontend_context.o frontend/platform/platform_gx.o frontend/platform/platform_wii.o frontend/platform/platform_null.o rarch_file_path.o libretro-sdk/string/string_list.o dir_list.o libretro-sdk/compat/compat.o conf/config_file.o $(APP_BOOTER_DIR)/app_booter.binobj
OBJ = frontend/frontend_salamander.o frontend/frontend_context.o frontend/platform/platform_gx.o frontend/platform/platform_wii.o frontend/platform/platform_null.o file_path.o libretro-sdk/string/string_list.o dir_list.o libretro-sdk/compat/compat.o conf/config_file.o $(APP_BOOTER_DIR)/app_booter.binobj
ifeq ($(HAVE_LOGGER), 1)
CFLAGS += -DHAVE_LOGGER

1
file.c
View File

@ -15,6 +15,7 @@
#include "file.h"
#include "file_path.h"
#include "rarch_file_path.h"
#include "general.h"
#include <stdlib.h>
#include <boolean.h>

2
file_extract.c
View File

@ -14,7 +14,7 @@
*/
#include "file_extract.h"
#include "file_path.h"
#include "rarch_file_path.h"
#include <compat/strl.h>
#include <retro_miscellaneous.h>
#include "retroarch_logger.h"

611
file_path.c Normal file
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@ -0,0 +1,611 @@
/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2014 - Daniel De Matteis
*
* RetroArch 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 Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch 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 RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include "file_path.h"
#include <stdlib.h>
#include <boolean.h>
#include <string.h>
#include <time.h>
#include <errno.h>
#include <compat/strl.h>
#include <compat/posix_string.h>
#include <retro_miscellaneous.h>
#ifdef __HAIKU__
#include <kernel/image.h>
#endif
#if (defined(__CELLOS_LV2__) && !defined(__PSL1GHT__)) || defined(__QNX__) || defined(PSP)
#include <unistd.h> /* stat() is defined here */
#endif
#if defined(__CELLOS_LV2__)
#ifndef S_ISDIR
#define S_ISDIR(x) (x & 0040000)
#endif
#endif
#if defined(_WIN32)
#ifdef _MSC_VER
#define setmode _setmode
#endif
#ifdef _XBOX
#include <xtl.h>
#define INVALID_FILE_ATTRIBUTES -1
#else
#include <io.h>
#include <fcntl.h>
#include <direct.h>
#include <windows.h>
#endif
#else
#include <sys/types.h>
#include <sys/stat.h>
#include <dirent.h>
#include <unistd.h>
#endif
const char *path_get_extension(const char *path)
{
const char *ext = strrchr(path_basename(path), '.');
if (ext)
return ext + 1;
return "";
}
char *path_remove_extension(char *path)
{
char *last = (char*)strrchr(path_basename(path), '.');
if (*last)
*last = '\0';
return last;
}
static bool path_char_is_slash(char c)
{
#ifdef _WIN32
return (c == '/') || (c == '\\');
#else
return (c == '/');
#endif
}
static const char *path_default_slash(void)
{
#ifdef _WIN32
return "\\";
#else
return "/";
#endif
}
bool path_contains_compressed_file(const char *path)
{
/*
* Currently we only check for hash symbol inside the pathname.
* If path is ever expanded to a general URI, we should check for that here.
*/
return (strchr(path,'#') != NULL);
}
bool path_is_compressed_file(const char* path)
{
#ifdef HAVE_COMPRESSION
const char* file_ext = path_get_extension(path);
#ifdef HAVE_7ZIP
if (strcmp(file_ext,"7z") == 0)
return true;
#endif
#ifdef HAVE_ZLIB
if (strcmp(file_ext,"zip") == 0)
return true;
#endif
#endif
return false;
}
bool path_is_directory(const char *path)
{
#ifdef _WIN32
DWORD ret = GetFileAttributes(path);
return (ret & FILE_ATTRIBUTE_DIRECTORY) && (ret != INVALID_FILE_ATTRIBUTES);
#else
struct stat buf;
if (stat(path, &buf) < 0)
return false;
return S_ISDIR(buf.st_mode);
#endif
}
bool path_file_exists(const char *path)
{
FILE *dummy = fopen(path, "rb");
if (dummy)
{
fclose(dummy);
return true;
}
return false;
}
void fill_pathname(char *out_path, const char *in_path,
const char *replace, size_t size)
{
char tmp_path[PATH_MAX];
char *tok;
rarch_assert(strlcpy(tmp_path, in_path,
sizeof(tmp_path)) < sizeof(tmp_path));
if ((tok = (char*)strrchr(path_basename(tmp_path), '.')))
*tok = '\0';
rarch_assert(strlcpy(out_path, tmp_path, size) < size);
rarch_assert(strlcat(out_path, replace, size) < size);
}
void fill_pathname_noext(char *out_path, const char *in_path,
const char *replace, size_t size)
{
rarch_assert(strlcpy(out_path, in_path, size) < size);
rarch_assert(strlcat(out_path, replace, size) < size);
}
static 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))
slash = backslash;
#endif
return (char*)slash;
}
/* 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 = strlen(path);
const char *last_slash = find_last_slash(path);
// Try to preserve slash type.
if (last_slash && (last_slash != (path + path_len - 1)))
{
char join_str[2] = {*last_slash};
rarch_assert(strlcat(path, join_str, size) < size);
}
else if (!last_slash)
rarch_assert(strlcat(path, path_default_slash(), size) < size);
}
void fill_pathname_dir(char *in_dir, const char *in_basename,
const char *replace, size_t size)
{
fill_pathname_slash(in_dir, size);
const char *base = path_basename(in_basename);
rarch_assert(strlcat(in_dir, base, size) < size);
rarch_assert(strlcat(in_dir, replace, size) < size);
}
void fill_pathname_base(char *out, const char *in_path, size_t size)
{
const char *ptr = find_last_slash(in_path);
if (ptr)
ptr++;
else
ptr = in_path;
/* In case of compression, we also have to consider paths like
* /path/to/archive.7z#mygame.img
* and
* /path/to/archive.7z#folder/mygame.img
* basename would be mygame.img in both cases
*/
#ifdef HAVE_COMPRESSION
const char *ptr_bak = ptr;
ptr = strchr(ptr_bak,'#');
if (ptr)
ptr++;
else
ptr = ptr_bak;
#endif
rarch_assert(strlcpy(out, ptr, size) < size);
}
void fill_pathname_basedir(char *out_dir,
const char *in_path, size_t size)
{
rarch_assert(strlcpy(out_dir, in_path, size) < size);
path_basedir(out_dir);
}
void fill_pathname_parent_dir(char *out_dir,
const char *in_dir, size_t size)
{
rarch_assert(strlcpy(out_dir, in_dir, size) < size);
path_parent_dir(out_dir);
}
void fill_dated_filename(char *out_filename,
const char *ext, size_t size)
{
time_t cur_time;
time(&cur_time);
strftime(out_filename, size,
"RetroArch-%m%d-%H%M%S.", localtime(&cur_time));
strlcat(out_filename, ext, size);
}
void path_basedir(char *path)
{
if (strlen(path) < 2)
return;
char *last;
#ifdef HAVE_COMPRESSION
/* We want to find the directory with the zipfile in basedir. */
last = strchr(path,'#');
if (last)
*last = '\0';
#endif
last = find_last_slash(path);
if (last)
last[1] = '\0';
else
snprintf(path, 3, ".%s", path_default_slash());
}
void path_parent_dir(char *path)
{
size_t len = strlen(path);
if (len && path_char_is_slash(path[len - 1]))
path[len - 1] = '\0';
path_basedir(path);
}
const char *path_basename(const char *path)
{
const char *last = find_last_slash(path);
/* We cut either at the last hash or the last slash; whichever comes last */
#ifdef HAVE_COMPRESSION
const char *last_hash = strchr(path,'#');
if (last_hash > last)
{
return last_hash + 1;
}
#endif
if (last)
return last + 1;
return path;
}
bool path_is_absolute(const char *path)
{
#ifdef _WIN32
/* Many roads lead to Rome ... */
return path[0] == '/' || (strstr(path, "\\\\") == path)
|| strstr(path, ":/") || strstr(path, ":\\") || strstr(path, ":\\\\");
#else
return path[0] == '/';
#endif
}
void path_resolve_realpath(char *buf, size_t size)
{
#ifndef RARCH_CONSOLE
char tmp[PATH_MAX];
strlcpy(tmp, buf, sizeof(tmp));
#ifdef _WIN32
if (!_fullpath(buf, tmp, size))
strlcpy(buf, tmp, size);
#else
rarch_assert(size >= PATH_MAX);
/* NOTE: realpath() expects at least PATH_MAX bytes in buf.
* Technically, PATH_MAX 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
#else
(void)buf;
(void)size;
#endif
}
static bool path_mkdir_norecurse(const char *dir)
{
int ret;
#if defined(_WIN32)
ret = _mkdir(dir);
#elif defined(IOS)
ret = mkdir(dir, 0755);
#else
ret = mkdir(dir, 0750);
#endif
/* Don't treat this as an error. */
if (ret < 0 && errno == EEXIST && path_is_directory(dir))
ret = 0;
if (ret < 0)
RARCH_ERR("mkdir(%s) error: %s.\n", dir, strerror(errno));
return ret == 0;
}
bool path_mkdir(const char *dir)
{
const char *target = NULL;
/* Use heap. Real chance of stack overflow if we recurse too hard. */
char *basedir = strdup(dir);
bool ret = true;
if (!basedir)
return false;
path_parent_dir(basedir);
if (!*basedir || !strcmp(basedir, dir))
{
ret = false;
goto end;
}
if (path_is_directory(basedir))
{
target = dir;
ret = path_mkdir_norecurse(dir);
}
else
{
target = basedir;
ret = path_mkdir(basedir);
if (ret)
{
target = dir;
ret = path_mkdir_norecurse(dir);
}
}
end:
if (target && !ret)
RARCH_ERR("Failed to create directory: \"%s\".\n", target);
free(basedir);
return ret;
}
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))
rarch_assert(strlcpy(out_path, in_path, size) < size);
else
{
rarch_assert(strlcpy(out_path, in_refpath, size) < size);
path_basedir(out_path);
rarch_assert(strlcat(out_path, in_path, size) < size);
}
}
void fill_pathname_join(char *out_path,
const char *dir, const char *path, size_t size)
{
rarch_assert(strlcpy(out_path, dir, size) < size);
if (*out_path)
fill_pathname_slash(out_path, size);
rarch_assert(strlcat(out_path, path, size) < size);
}
void fill_pathname_join_delim(char *out_path, const char *dir,
const char *path, const char delim, size_t size)
{
size_t copied = strlcpy(out_path, dir, size);
rarch_assert(copied < size+1);
out_path[copied]=delim;
out_path[copied+1] = '\0';
rarch_assert(strlcat(out_path, path, size) < size);
}
void fill_pathname_expand_special(char *out_path,
const char *in_path, size_t size)
{
#if !defined(RARCH_CONSOLE)
if (*in_path == '~')
{
const char *home = getenv("HOME");
if (home)
{
size_t src_size = strlcpy(out_path, home, size);
rarch_assert(src_size < size);
out_path += src_size;
size -= src_size;
in_path++;
}
}
else if ((in_path[0] == ':') &&
#ifdef _WIN32
((in_path[1] == '/') || (in_path[1] == '\\'))
#else
(in_path[1] == '/')
#endif
)
{
char application_dir[PATH_MAX];
fill_pathname_application_path(application_dir, sizeof(application_dir));
path_basedir(application_dir);
size_t src_size = strlcpy(out_path, application_dir, size);
rarch_assert(src_size < size);
out_path += src_size;
size -= src_size;
in_path += 2;
}
#endif
rarch_assert(strlcpy(out_path, in_path, size) < size);
}
void fill_short_pathname_representation(char* out_rep,
const char *in_path, size_t size)
{
char path_short[PATH_MAX];
fill_pathname(path_short, path_basename(in_path), "",
sizeof(path_short));
char* last_hash = strchr(path_short,'#');
/* We handle paths like:
* /path/to/file.7z#mygame.img
* short_name: mygame.img:
*/
if(last_hash != NULL)
{
/* We check whether something is actually
* after the hash to avoid going over the buffer.
*/
rarch_assert(strlen(last_hash) > 1);
strlcpy(out_rep,last_hash + 1, size);
}
else
strlcpy(out_rep,path_short, size);
}
void fill_pathname_abbreviate_special(char *out_path,
const char *in_path, size_t size)
{
#if !defined(RARCH_CONSOLE)
unsigned i;
const char *home = getenv("HOME");
char application_dir[PATH_MAX];
fill_pathname_application_path(application_dir, sizeof(application_dir));
path_basedir(application_dir);
/* 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. */
const char *candidates[3] = { application_dir, home, NULL };
const char *notations[3] = { ":", "~", NULL };
for (i = 0; candidates[i]; i++)
{
if (*candidates[i] && strstr(in_path, candidates[i]) == in_path)
{
size_t src_size = strlcpy(out_path, notations[i], size);
rarch_assert(src_size < size);
out_path += src_size;
size -= src_size;
in_path += strlen(candidates[i]);
if (!path_char_is_slash(*in_path))
{
rarch_assert(strlcpy(out_path, path_default_slash(), size) < size);
out_path++;
size--;
}
break; /* Don't allow more abbrevs to take place. */
}
}
#endif
rarch_assert(strlcpy(out_path, in_path, size) < size);
}
#ifndef RARCH_CONSOLE
void fill_pathname_application_path(char *buf, size_t size)
{
size_t i;
(void)i;
if (!size)
return;
#ifdef _WIN32
DWORD ret = GetModuleFileName(GetModuleHandle(NULL), buf, size - 1);
buf[ret] = '\0';
#elif defined(__APPLE__)
CFBundleRef bundle = CFBundleGetMainBundle();
if (bundle)
{
CFURLRef bundle_url = CFBundleCopyBundleURL(bundle);
CFStringRef bundle_path = CFURLCopyPath(bundle_url);
CFStringGetCString(bundle_path, buf, size, kCFStringEncodingUTF8);
CFRelease(bundle_path);
CFRelease(bundle_url);
rarch_assert(strlcat(buf, "nobin", size) < size);
return;
}
#elif defined(__HAIKU__)
image_info info;
int32 cookie = 0;
while (get_next_image_info(0, &cookie, &info) == B_OK)
{
if (info.type == B_APP_IMAGE)
{
strlcpy(buf, info.name, size);
return;
}
}
#else
*buf = '\0';
pid_t pid = getpid();
char link_path[PATH_MAX];
/* Linux, BSD and Solaris paths. Not standardized. */
static const char *exts[] = { "exe", "file", "path/a.out" };
for (i = 0; i < ARRAY_SIZE(exts); i++)
{
snprintf(link_path, sizeof(link_path), "/proc/%u/%s",
(unsigned)pid, exts[i]);
ssize_t ret = readlink(link_path, buf, size - 1);
if (ret >= 0)
{
buf[ret] = '\0';
return;
}
}
RARCH_ERR("Cannot resolve application path! This should not happen.\n");
#endif
}
#endif

20
file_path.h
View File

@ -14,8 +14,8 @@
* If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __RARCH_FILE_PATH_H
#define __RARCH_FILE_PATH_H
#ifndef __LIBRETRO_SDK_FILE_PATH_H
#define __LIBRETRO_SDK_FILE_PATH_H
#include <boolean.h>
#include <stdio.h>
@ -41,22 +41,6 @@ enum
};
#ifdef HAVE_COMPRESSION
long read_compressed_file(const char * path, void **buf,
const char* optional_filename);
#endif
long read_file(const char *path, void **buf);
bool read_file_string(const char *path, char **buf);
bool write_file(const char *path, const void *buf, size_t size);
bool write_empty_file(const char *path);
struct string_list *compressed_file_list_new(const char *filename,
const char* ext);
/* path_is_compressed_file also means: The compressed file is supported */
bool path_is_compressed_file(const char *path);

2
frontend/menu/menu_entries.c
View File

@ -17,7 +17,7 @@
#include "menu_entries.h"
#include "menu_action.h"
#include "menu_list.h"
#include "../../file_path.h"
#include "../../rarch_file_path.h"
#include "../../dir_list.h"
#include "../../settings_data.h"
#include "../../performance.h"

2
gfx/image/image_rpng.c
View File

@ -19,7 +19,7 @@
#include "image.h"
#include "../../file.h"
#include "../../file_path.h"
#include "../../rarch_file_path.h"
#include <stdlib.h>
#include <string.h>

2
gfx/py_state/py_state.c
View File

@ -26,7 +26,7 @@
#include <compat/posix_string.h>
#include "../../input/input_common.h"
#include "../../file.h"
#include "../../file_path.h"
#include "../../rarch_file_path.h"
static PyObject* py_read_wram(PyObject *self, PyObject *args)
{

2
gfx/shader/shader_glsl.c
View File

@ -21,7 +21,7 @@
#include "../state_tracker.h"
#include "../../dynamic.h"
#include "../../file.h"
#include "../../file_path.h"
#include "../../rarch_file_path.h"
#ifdef HAVE_CONFIG_H
#include "../../config.h"

1
griffin/griffin.c
View File

@ -520,6 +520,7 @@ DYNAMIC
FILE
============================================================ */
#include "../file.c"
#include "../file_path.c"
#include "../dir_list.c"
#include "../libretro-sdk/string/string_list.c"
#include "../rarch_file_path.c"

26
rarch_compr_file_path.c
View File

@ -137,29 +137,3 @@ struct string_list *compressed_file_list_new(const char *path,
#endif
return NULL;
}
bool path_is_compressed_file(const char* path)
{
#ifdef HAVE_COMPRESSION
const char* file_ext = path_get_extension(path);
#ifdef HAVE_7ZIP
if (strcmp(file_ext,"7z") == 0)
return true;
#endif
#ifdef HAVE_ZLIB
if (strcmp(file_ext,"zip") == 0)
return true;
#endif
#endif
return false;
}
bool path_contains_compressed_file(const char *path)
{
/*
* Currently we only check for hash symbol inside the pathname.
* If path is ever expanded to a general URI, we should check for that here.
*/
return (strchr(path,'#') != NULL);
}

526
rarch_file_path.c
View File

@ -14,7 +14,7 @@
* If not, see <http://www.gnu.org/licenses/>.
*/
#include "file_path.h"
#include "rarch_file_path.h"
#include <stdlib.h>
#include <boolean.h>
#include <string.h>
@ -192,527 +192,3 @@ error:
free(*buf);
return false;
}
const char *path_get_extension(const char *path)
{
const char *ext = strrchr(path_basename(path), '.');
if (ext)
return ext + 1;
return "";
}
char *path_remove_extension(char *path)
{
char *last = (char*)strrchr(path_basename(path), '.');
if (*last)
*last = '\0';
return last;
}
static bool path_char_is_slash(char c)
{
#ifdef _WIN32
return (c == '/') || (c == '\\');
#else
return (c == '/');
#endif
}
static const char *path_default_slash(void)
{
#ifdef _WIN32
return "\\";
#else
return "/";
#endif
}
bool path_is_directory(const char *path)
{
#ifdef _WIN32
DWORD ret = GetFileAttributes(path);
return (ret & FILE_ATTRIBUTE_DIRECTORY) && (ret != INVALID_FILE_ATTRIBUTES);
#else
struct stat buf;
if (stat(path, &buf) < 0)
return false;
return S_ISDIR(buf.st_mode);
#endif
}
bool path_file_exists(const char *path)
{
FILE *dummy = fopen(path, "rb");
if (dummy)
{
fclose(dummy);
return true;
}
return false;
}
void fill_pathname(char *out_path, const char *in_path,
const char *replace, size_t size)
{
char tmp_path[PATH_MAX];
char *tok;
rarch_assert(strlcpy(tmp_path, in_path,
sizeof(tmp_path)) < sizeof(tmp_path));
if ((tok = (char*)strrchr(path_basename(tmp_path), '.')))
*tok = '\0';
rarch_assert(strlcpy(out_path, tmp_path, size) < size);
rarch_assert(strlcat(out_path, replace, size) < size);
}
void fill_pathname_noext(char *out_path, const char *in_path,
const char *replace, size_t size)
{
rarch_assert(strlcpy(out_path, in_path, size) < size);
rarch_assert(strlcat(out_path, replace, size) < size);
}
static 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))
slash = backslash;
#endif
return (char*)slash;
}
/* 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 = strlen(path);
const char *last_slash = find_last_slash(path);
// Try to preserve slash type.
if (last_slash && (last_slash != (path + path_len - 1)))
{
char join_str[2] = {*last_slash};
rarch_assert(strlcat(path, join_str, size) < size);
}
else if (!last_slash)
rarch_assert(strlcat(path, path_default_slash(), size) < size);
}
void fill_pathname_dir(char *in_dir, const char *in_basename,
const char *replace, size_t size)
{
fill_pathname_slash(in_dir, size);
const char *base = path_basename(in_basename);
rarch_assert(strlcat(in_dir, base, size) < size);
rarch_assert(strlcat(in_dir, replace, size) < size);
}
void fill_pathname_base(char *out, const char *in_path, size_t size)
{
const char *ptr = find_last_slash(in_path);
if (ptr)
ptr++;
else
ptr = in_path;
#ifdef HAVE_COMPRESSION
/* In case of compression, we also have to consider paths like
* /path/to/archive.7z#mygame.img
* and
* /path/to/archive.7z#folder/mygame.img
* basename would be mygame.img in both cases
*/
const char *ptr_bak = ptr;
ptr = strchr(ptr_bak,'#');
if (ptr)
ptr++;
else
ptr = ptr_bak;
#endif
rarch_assert(strlcpy(out, ptr, size) < size);
}
void fill_pathname_basedir(char *out_dir,
const char *in_path, size_t size)
{
rarch_assert(strlcpy(out_dir, in_path, size) < size);
path_basedir(out_dir);
}
void fill_pathname_parent_dir(char *out_dir,
const char *in_dir, size_t size)
{
rarch_assert(strlcpy(out_dir, in_dir, size) < size);
path_parent_dir(out_dir);
}
void fill_dated_filename(char *out_filename,
const char *ext, size_t size)
{
time_t cur_time;
time(&cur_time);
strftime(out_filename, size,
"RetroArch-%m%d-%H%M%S.", localtime(&cur_time));
strlcat(out_filename, ext, size);
}
void path_basedir(char *path)
{
if (strlen(path) < 2)
return;
char *last;
#ifdef HAVE_COMPRESSION
/* We want to find the directory with the zipfile in basedir. */
last = strchr(path,'#');
if (last)
*last = '\0';
#endif
last = find_last_slash(path);
if (last)
last[1] = '\0';
else
snprintf(path, 3, ".%s", path_default_slash());
}
void path_parent_dir(char *path)
{
size_t len = strlen(path);
if (len && path_char_is_slash(path[len - 1]))
path[len - 1] = '\0';
path_basedir(path);
}
const char *path_basename(const char *path)
{
const char *last = find_last_slash(path);
/* We cut either at the last hash or the last slash; whichever comes last */
#ifdef HAVE_COMPRESSION
const char *last_hash = strchr(path,'#');
if (last_hash > last)
{
return last_hash + 1;
}
#endif
if (last)
return last + 1;
return path;
}
bool path_is_absolute(const char *path)
{
#ifdef _WIN32
/* Many roads lead to Rome ... */
return path[0] == '/' || (strstr(path, "\\\\") == path)
|| strstr(path, ":/") || strstr(path, ":\\") || strstr(path, ":\\\\");
#else
return path[0] == '/';
#endif
}
void path_resolve_realpath(char *buf, size_t size)
{
#ifndef RARCH_CONSOLE
char tmp[PATH_MAX];
strlcpy(tmp, buf, sizeof(tmp));
#ifdef _WIN32
if (!_fullpath(buf, tmp, size))
strlcpy(buf, tmp, size);
#else
rarch_assert(size >= PATH_MAX);
/* NOTE: realpath() expects at least PATH_MAX bytes in buf.
* Technically, PATH_MAX 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
#else
(void)buf;
(void)size;
#endif
}
static bool path_mkdir_norecurse(const char *dir)
{
int ret;
#if defined(_WIN32)
ret = _mkdir(dir);
#elif defined(IOS)
ret = mkdir(dir, 0755);
#else
ret = mkdir(dir, 0750);
#endif
/* Don't treat this as an error. */
if (ret < 0 && errno == EEXIST && path_is_directory(dir))
ret = 0;
if (ret < 0)
RARCH_ERR("mkdir(%s) error: %s.\n", dir, strerror(errno));
return ret == 0;
}
bool path_mkdir(const char *dir)
{
const char *target = NULL;
/* Use heap. Real chance of stack overflow if we recurse too hard. */
char *basedir = strdup(dir);
bool ret = true;
if (!basedir)
return false;
path_parent_dir(basedir);
if (!*basedir || !strcmp(basedir, dir))
{
ret = false;
goto end;
}
if (path_is_directory(basedir))
{
target = dir;
ret = path_mkdir_norecurse(dir);
}
else
{
target = basedir;
ret = path_mkdir(basedir);
if (ret)
{
target = dir;
ret = path_mkdir_norecurse(dir);
}
}
end:
if (target && !ret)
RARCH_ERR("Failed to create directory: \"%s\".\n", target);
free(basedir);
return ret;
}
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))
rarch_assert(strlcpy(out_path, in_path, size) < size);
else
{
rarch_assert(strlcpy(out_path, in_refpath, size) < size);
path_basedir(out_path);
rarch_assert(strlcat(out_path, in_path, size) < size);
}
}
void fill_pathname_join(char *out_path,
const char *dir, const char *path, size_t size)
{
rarch_assert(strlcpy(out_path, dir, size) < size);
if (*out_path)
fill_pathname_slash(out_path, size);
rarch_assert(strlcat(out_path, path, size) < size);
}
void fill_pathname_join_delim(char *out_path, const char *dir,
const char *path, const char delim, size_t size)
{
size_t copied = strlcpy(out_path, dir, size);
rarch_assert(copied < size+1);
out_path[copied]=delim;
out_path[copied+1] = '\0';
rarch_assert(strlcat(out_path, path, size) < size);
}
void fill_pathname_expand_special(char *out_path,
const char *in_path, size_t size)
{
#if !defined(RARCH_CONSOLE)
if (*in_path == '~')
{
const char *home = getenv("HOME");
if (home)
{
size_t src_size = strlcpy(out_path, home, size);
rarch_assert(src_size < size);
out_path += src_size;
size -= src_size;
in_path++;
}
}
else if ((in_path[0] == ':') &&
#ifdef _WIN32
((in_path[1] == '/') || (in_path[1] == '\\'))
#else
(in_path[1] == '/')
#endif
)
{
char application_dir[PATH_MAX];
fill_pathname_application_path(application_dir, sizeof(application_dir));
path_basedir(application_dir);
size_t src_size = strlcpy(out_path, application_dir, size);
rarch_assert(src_size < size);
out_path += src_size;
size -= src_size;
in_path += 2;
}
#endif
rarch_assert(strlcpy(out_path, in_path, size) < size);
}
void fill_short_pathname_representation(char* out_rep,
const char *in_path, size_t size)
{
char path_short[PATH_MAX];
fill_pathname(path_short, path_basename(in_path), "",
sizeof(path_short));
char* last_hash = strchr(path_short,'#');
/* We handle paths like:
* /path/to/file.7z#mygame.img
* short_name: mygame.img:
*/
if(last_hash != NULL)
{
/* We check whether something is actually
* after the hash to avoid going over the buffer.
*/
rarch_assert(strlen(last_hash) > 1);
strlcpy(out_rep,last_hash + 1, size);
}
else
strlcpy(out_rep,path_short, size);
}
void fill_pathname_abbreviate_special(char *out_path,
const char *in_path, size_t size)
{
#if !defined(RARCH_CONSOLE)
unsigned i;
const char *home = getenv("HOME");
char application_dir[PATH_MAX];
fill_pathname_application_path(application_dir, sizeof(application_dir));
path_basedir(application_dir);
/* 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. */
const char *candidates[3] = { application_dir, home, NULL };
const char *notations[3] = { ":", "~", NULL };
for (i = 0; candidates[i]; i++)
{
if (*candidates[i] && strstr(in_path, candidates[i]) == in_path)
{
size_t src_size = strlcpy(out_path, notations[i], size);
rarch_assert(src_size < size);
out_path += src_size;
size -= src_size;
in_path += strlen(candidates[i]);
if (!path_char_is_slash(*in_path))
{
rarch_assert(strlcpy(out_path, path_default_slash(), size) < size);
out_path++;
size--;
}
break; /* Don't allow more abbrevs to take place. */
}
}
#endif
rarch_assert(strlcpy(out_path, in_path, size) < size);
}
#ifndef RARCH_CONSOLE
void fill_pathname_application_path(char *buf, size_t size)
{
size_t i;
(void)i;
if (!size)
return;
#ifdef _WIN32
DWORD ret = GetModuleFileName(GetModuleHandle(NULL), buf, size - 1);
buf[ret] = '\0';
#elif defined(__APPLE__)
CFBundleRef bundle = CFBundleGetMainBundle();
if (bundle)
{
CFURLRef bundle_url = CFBundleCopyBundleURL(bundle);
CFStringRef bundle_path = CFURLCopyPath(bundle_url);
CFStringGetCString(bundle_path, buf, size, kCFStringEncodingUTF8);
CFRelease(bundle_path);
CFRelease(bundle_url);
rarch_assert(strlcat(buf, "nobin", size) < size);
return;
}
#elif defined(__HAIKU__)
image_info info;
int32 cookie = 0;
while (get_next_image_info(0, &cookie, &info) == B_OK)
{
if (info.type == B_APP_IMAGE)
{
strlcpy(buf, info.name, size);
return;
}
}
#else
*buf = '\0';
pid_t pid = getpid();
char link_path[PATH_MAX];
/* Linux, BSD and Solaris paths. Not standardized. */
static const char *exts[] = { "exe", "file", "path/a.out" };
for (i = 0; i < ARRAY_SIZE(exts); i++)
{
snprintf(link_path, sizeof(link_path), "/proc/%u/%s",
(unsigned)pid, exts[i]);
ssize_t ret = readlink(link_path, buf, size - 1);
if (ret >= 0)
{
buf[ret] = '\0';
return;
}
}
RARCH_ERR("Cannot resolve application path! This should not happen.\n");
#endif
}
#endif

52
rarch_file_path.h Normal file
View File

@ -0,0 +1,52 @@
/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2014 - Daniel De Matteis
*
* RetroArch 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 Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch 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 RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __RARCH_FILE_PATH_H
#define __RARCH_FILE_PATH_H
#include <boolean.h>
#include <stdio.h>
#include <stdint.h>
#include <stddef.h>
#include <sys/types.h>
#include <string/string_list.h>
#include "file_path.h"
#ifdef __cplusplus
extern "C" {
#endif
#ifdef HAVE_COMPRESSION
long read_compressed_file(const char * path, void **buf,
const char* optional_filename);
#endif
long read_file(const char *path, void **buf);
bool read_file_string(const char *path, char **buf);
bool write_file(const char *path, const void *buf, size_t size);
bool write_empty_file(const char *path);
struct string_list *compressed_file_list_new(const char *filename,
const char* ext);
#ifdef __cplusplus
}
#endif
#endif

2
retroarch.c
View File

@ -22,7 +22,7 @@
#include <string.h>
#include <ctype.h>
#include <errno.h>
#include "file_path.h"
#include "rarch_file_path.h"
#include "dir_list.h"
#include "general.h"
#include <compat/strl.h>