Add retro_stat.c

Makefile.common

@@ -76,7 +76,9 @@ SOURCES_C :=  \
 	$(CORE_DIR)/common/world.c
 
 ifneq ($(STATIC_LINKING),1)
-	SOURCES_C += $(CORE_DIR)/libretro-common/file/retro_dirent.c
+	SOURCES_C += \
+					 $(CORE_DIR)/libretro-common/file/retro_dirent.c \
+					 $(CORE_DIR)/libretro-common/file/retro_stat.c
 endif
 
 SOURCES_C += $(CORE_DIR)/common/net_none.c

libretro-common/file/retro_dirent.c

+/* Copyright  (C) 2010-2015 The RetroArch team
+ *
+ * ---------------------------------------------------------------------------------------
+ * The following license statement only applies to this file (retro_dirent.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 <stdlib.h>
+#include <stdio.h>
 
 #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
+#  include <compat/posix_string.h>
+#  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
 #elif defined(VITA)
-#include <psp2/io/fcntl.h>
-#include <psp2/io/dirent.h>
+#  include <psp2/io/fcntl.h>
+#  include <psp2/io/dirent.h>
 #else
-#if defined(PSP)
-#include <pspiofilemgr.h>
-#endif
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <dirent.h>
-#include <unistd.h>
+#  if defined(PSP)
+#    include <pspiofilemgr.h>
+#  endif
+#  include <sys/types.h>
+#  include <sys/stat.h>
+#  include <dirent.h>
+#  include <unistd.h>
 #endif
 
 #ifdef __CELLOS_LV2__
@@ -31,6 +55,8 @@
 #endif
 
 #include <boolean.h>
+#include <retro_stat.h>
+#include <retro_dirent.h>
 
 struct RDIR
 {
@@ -144,22 +170,13 @@ bool retro_dirent_is_dir(struct RDIR *rdir, const char *path)
    const struct dirent *entry = (const struct dirent*)rdir->entry;
    if (entry->d_type == DT_DIR)
       return true;
-   else if (entry->d_type == DT_UNKNOWN /* This can happen on certain file systems. */
-         || entry->d_type == DT_LNK)
-   {
-      struct stat buf;
-      if (stat(path, &buf) < 0)
-         return false;
-
-      return S_ISDIR(buf.st_mode);
-   }
+   /* This can happen on certain file systems. */
+   if (entry->d_type == DT_UNKNOWN || entry->d_type == DT_LNK)
+      return path_is_directory(path);
    return false;
-#else /* dirent struct doesn't have d_type, do it the slow way ... */
-   struct stat buf;
-   if (stat(path, &buf) < 0)
-      return false;
-
-   return S_ISDIR(buf.st_mode);
+#else
+   /* dirent struct doesn't have d_type, do it the slow way ... */
+   return path_is_directory(path);
 #endif
 }
 

libretro-common/file/retro_stat.c

+/* Copyright  (C) 2010-2015 The RetroArch team
+ *
+ * ---------------------------------------------------------------------------------------
+ * The following license statement only applies to this file (retro_stat.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 <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#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
+#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(PSP)
+#include <pspkernel.h>
+#endif
+
+#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
+
+#include <file/file_path.h>
+#include <retro_miscellaneous.h>
+
+#if defined(__CELLOS_LV2__)
+#include <cell/cell_fs.h>
+#endif
+
+#if defined(VITA)
+#define FIO_SO_ISDIR PSP2_S_ISDIR
+#endif
+
+/**
+ * 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)
+{
+#if defined(VITA) || defined(PSP)
+   SceIoStat buf;
+   if (sceIoGetstat(path, &buf) < 0)
+      return false;
+   return FIO_SO_ISDIR(buf.st_mode);
+#elif defined(__CELLOS_LV2__)
+    CellFsStat buf;
+    if (cellFsStat(path, &buf) < 0)
+       return false;
+    return ((buf.st_mode & S_IFMT) == S_IFDIR);
+#elif defined(_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
+}
+
+/**
+ * path_mkdir_norecurse:
+ * @dir                : directory
+ *
+ * Create directory on filesystem.
+ *
+ * Returns: true (1) if directory could be created, otherwise false (0).
+ **/
+static bool path_mkdir_norecurse(const char *dir)
+{
+   int ret;
+#if defined(_WIN32)
+   ret = _mkdir(dir);
+#elif defined(IOS)
+   ret = mkdir(dir, 0755);
+#elif defined(VITA) || defined(PSP)
+   ret = sceIoMkdir(dir, 0777);
+#else
+   ret = mkdir(dir, 0750);
+#endif
+   /* Don't treat this as an error. */
+#if defined(VITA)
+   if ((ret == SCE_ERROR_ERRNO_EEXIST) && path_is_directory(dir))
+      ret = 0;
+#else 
+   if (ret < 0 && errno == EEXIST && path_is_directory(dir))
+      ret = 0;
+#endif
+   if (ret < 0)
+      printf("mkdir(%s) error: %s.\n", dir, strerror(errno));
+   return ret == 0;
+}
+
+/**
+ * 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)
+{
+   const char *target = NULL;
+   /* Use heap. Real chance of stack overflow if we recurse too hard. */
+   char     *basedir = strdup(dir);
+   bool          ret = false;
+
+   if (!basedir)
+      return false;
+
+   path_parent_dir(basedir);
+   if (!*basedir || !strcmp(basedir, dir))
+      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)
+      printf("Failed to create directory: \"%s\".\n", target);
+   free(basedir);
+   return ret;
+}
+
+
+bool stat_is_valid(const char *path)
+{
+#if defined(VITA) || defined(PSP)
+   SceIoStat buf;
+   if (sceIoGetstat(path, &buf) < 0)
+      return false;
+   return true;
+#elif defined(__CELLOS_LV2__)
+    CellFsStat buf;
+    if (cellFsStat(path, &buf) < 0)
+       return false;
+    return true;
+#elif defined(_WIN32)
+   DWORD ret = GetFileAttributes(path);
+   return (ret != INVALID_FILE_ATTRIBUTES);
+#else
+   struct stat buf;
+   if (stat(path, &buf) < 0)
+      return false;
+   return true;
+#endif
+}

libretro-common/include/file/file_path.h

+/* Copyright  (C) 2010-2015 The RetroArch team
+ *
+ * ---------------------------------------------------------------------------------------
+ * The following license statement only applies to this file (file_path.h).
+ * ---------------------------------------------------------------------------------------
+ *
+ * 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.
+ */
+
+#ifndef __LIBRETRO_SDK_FILE_PATH_H
+#define __LIBRETRO_SDK_FILE_PATH_H
+
+#include <stdio.h>
+#include <stdint.h>
+#include <stddef.h>
+#include <sys/types.h>
+
+#include <boolean.h>
+#include <retro_inline.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Order in this enum is equivalent to negative sort order in filelist
+ *  (i.e. DIRECTORY is on top of PLAIN_FILE) */
+enum
+{
+   RARCH_FILETYPE_UNSET,
+   RARCH_PLAIN_FILE,
+   RARCH_COMPRESSED_FILE_IN_ARCHIVE,
+   RARCH_COMPRESSED_ARCHIVE,
+   RARCH_DIRECTORY,
+   RARCH_FILE_UNSUPPORTED
+};
+
+
+/**
+ * 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);
+
+/**
+ * path_contains_compressed_file:
+ * @path               : path
+ *
+ * Checks if path contains a compressed file.
+ *
+ * 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.
+ *
+ * Example:  Somewhere in the path there might be a compressed file
+ * E.g.: /path/to/file.7z#mygame.img
+ *
+ * Returns: true (1) if path contains compressed file, otherwise false (0).
+ **/
+bool path_contains_compressed_file(const char *path);
+
+/**
+ * path_file_exists:
+ * @path               : path
+ *
+ * Checks if a file already exists at the specified path (@path).
+ *
+ * Returns: true (1) if file already exists, otherwise false (0).
+ */
+bool path_file_exists(const char *path);
+
+/**
+ * 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);
+
+/**
+ * path_remove_extension:
+ * @path               : path
+ *
+ * Removes the extension from the path and returns the result.
+ * Removes all text after and including the last '.'.
+ * Only '.'s after the last slash are considered.
+ *
+ * Returns: path with the extension part removed.
+ */
+char *path_remove_extension(char *path);
+
+/**
+ * path_basename:
+ * @path               : path
+ *
+ * Get basename from @path.
+ *
+ * Returns: basename from path.
+ **/
+const char *path_basename(const char *path);
+
+/**
+ * path_basedir:
+ * @path               : path           
+ *
+ * Extracts base directory by mutating path.
+ * Keeps trailing '/'.
+ **/
+void path_basedir(char *path);
+
+/**
+ * path_parent_dir:
+ * @path               : path
+ *
+ * Extracts parent directory by mutating path.
+ * Assumes that path is a directory. Keeps trailing '/'.
+ **/
+void path_parent_dir(char *path);
+
+/**
+ * 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);
+
+/**
+ * path_is_absolute:
+ * @path               : path
+ *
+ * Checks if @path is an absolute path or a relative path.
+ *
+ * Returns: true (1) if path is absolute, false (1) if path is relative.
+ **/
+bool path_is_absolute(const char *path);
+
+/**
+ * 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);
+
+/**
+ * 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);
+
+/**
+ * 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);
+
+/**
+ * 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);
+
+/**
+ * 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_path, const char *in_path, size_t 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_path, const char *in_path, size_t size);
+
+/**
+ * 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 '/'.
+ **/
+void fill_pathname_parent_dir(char *out_dir,
+      const char *in_dir, size_t size);
+
+/**
+ * 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);
+
+/**
+ * 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);
+
+/**
+ * fill_pathname_join_delim:
+ * @out_path           : output path
+ * @dir                : directory   
+ * @path               : path
+ * @delim              : delimiter