Merge prefs_unix.cpp

Replaced SheepShaver's prefs_unix.cpp with a symlink to Basilisk II's
version, and used ifdefs to account for the remaining differences.
This commit is contained in:
robxnano 2022-10-08 16:18:36 +01:00
parent 094995722b
commit 6da609938e
2 changed files with 27 additions and 278 deletions

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@ -1,7 +1,7 @@
/*
* prefs_unix.cpp - Preferences handling, Unix specific stuff
*
* Basilisk II (C) 1997-2008 Christian Bauer
* Basilisk II, SheepShaver (C) 1997-2008 Christian Bauer and Marc Hellwig
*
* 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
@ -20,6 +20,7 @@
#include "sysdeps.h"
#include <sys/stat.h>
#include <errno.h>
#include <string>
using std::string;
@ -27,7 +28,16 @@ using std::string;
// Platform-specific preferences items
prefs_desc platform_prefs_items[] = {
#ifdef SHEEPSHAVER
{"ether", TYPE_STRING, false, "device name of Mac ethernet adapter"},
{"etherconfig", TYPE_STRING, false, "path of network config script"},
{"keycodes", TYPE_BOOLEAN, false, "use keycodes rather than keysyms to decode keyboard"},
{"keycodefile", TYPE_STRING, false, "path of keycode translation file"},
{"mousewheelmode", TYPE_INT32, false, "mouse wheel support mode (0=page up/down, 1=cursor up/down)"},
{"mousewheellines", TYPE_INT32, false, "number of lines to scroll in mouse wheel mode 1"},
#else
{"fbdevicefile", TYPE_STRING, false, "path of frame buffer device specification file"},
#endif
{"dsp", TYPE_STRING, false, "audio output (dsp) device name"},
{"mixer", TYPE_STRING, false, "audio mixer device name"},
{"idlewait", TYPE_BOOLEAN, false, "sleep when idle"},
@ -38,11 +48,19 @@ prefs_desc platform_prefs_items[] = {
};
// Standard file names and paths
#ifdef SHEEPSHAVER
static const char PREFS_FILE_NAME[] = "/.sheepshaver_prefs";
static const char XDG_PREFS_FILE_NAME[] = "/prefs";
static const char XPRAM_FILE_NAME[] = "/.sheepshaver_nvram";
static const char XDG_XPRAM_FILE_NAME[] = "/nvram";
static const char XDG_CONFIG_SUBDIR[] = "/SheepShaver";
#else
static const char PREFS_FILE_NAME[] = "/.basilisk_ii_prefs";
static const char XDG_PREFS_FILE_NAME[] = "/prefs";
static const char XPRAM_FILE_NAME[] = "/.basilisk_ii_xpram";
static const char XDG_XPRAM_FILE_NAME[] = "/xpram";
static const char XDG_CONFIG_SUBDIR[] = "/BasiliskII";
#endif
// Prefs file name and path
string UserPrefsPath;
@ -87,8 +105,8 @@ static void exit_if_dir(const string& path)
}
if ((info.st_mode & S_IFDIR) != 0)
{
fprintf(stderr, "ERROR: Cannot open %s (Is a directory)\n", prefs_name.c_str());
exit(1);
fprintf(stderr, "ERROR: Cannot open %s (Is a directory)\n", prefs_name.c_str());
exit(1);
}
}
@ -119,6 +137,7 @@ static bool load_prefs_file(const string& path, bool exit_on_failure)
* 3. From $HOME/.basilisk_ii_prefs if it exists
* 4. From $XDG_CONFIG_HOME/BasiliskII/prefs if it exists
* 5. Create a new prefs file at $XDG_CONFIG_HOME/BasiliskII/prefs
* (or the equivalent paths for SheepShaver)
* If $XDG_CONFIG_HOME doesn't exist, $HOME/.config is used instead,
* in accordance with XDG Base Directory Specification:
* https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html
@ -135,7 +154,7 @@ void LoadPrefs(const char* vmdir)
prefs_name = string(vmdir) + XDG_PREFS_FILE_NAME;
xpram_name = string(vmdir) + XDG_XPRAM_FILE_NAME;
if (load_prefs_file(prefs_name, true))
return;
return;
}
// --config was specified
@ -144,7 +163,7 @@ void LoadPrefs(const char* vmdir)
prefs_name = UserPrefsPath;
xpram_name = get_dir(&prefs_name) + XPRAM_FILE_NAME;
if (load_prefs_file(prefs_name, true))
return;
return;
}
// Load .basilisk_ii_prefs from $HOME if it exists
@ -153,7 +172,7 @@ void LoadPrefs(const char* vmdir)
prefs_name = home_dir + PREFS_FILE_NAME;
xpram_name = home_dir + XPRAM_FILE_NAME;
if (load_prefs_file(prefs_name, false))
return;
return;
}
// If no other prefs file exists, try the $XDG_CONFIG_HOME directory
@ -162,7 +181,7 @@ void LoadPrefs(const char* vmdir)
prefs_name = xdg_config_dir + XDG_PREFS_FILE_NAME;
xpram_name = xdg_config_dir + XDG_XPRAM_FILE_NAME;
if (load_prefs_file(prefs_name, false))
return;
return;
}
// No prefs file, save defaults in $XDG_CONFIG_HOME directory

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@ -1,271 +0,0 @@
/*
* prefs_unix.cpp - Preferences handling, Unix specific stuff
*
* SheepShaver (C) 1997-2008 Christian Bauer and Marc Hellwig
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "sysdeps.h"
#include <sys/stat.h>
#include <string>
using std::string;
#include "prefs.h"
// Platform-specific preferences items
prefs_desc platform_prefs_items[] = {
{"ether", TYPE_STRING, false, "device name of Mac ethernet adapter"},
{"etherconfig", TYPE_STRING, false, "path of network config script"},
{"keycodes", TYPE_BOOLEAN, false, "use keycodes rather than keysyms to decode keyboard"},
{"keycodefile", TYPE_STRING, false, "path of keycode translation file"},
{"mousewheelmode", TYPE_INT32, false, "mouse wheel support mode (0=page up/down, 1=cursor up/down)"},
{"mousewheellines", TYPE_INT32, false, "number of lines to scroll in mouse wheel mode 1"},
{"dsp", TYPE_STRING, false, "audio output (dsp) device name"},
{"mixer", TYPE_STRING, false, "audio mixer device name"},
{"idlewait", TYPE_BOOLEAN, false, "sleep when idle"},
#ifdef USE_SDL_VIDEO
{"sdlrender", TYPE_STRING, false, "SDL_Renderer driver (\"auto\", \"software\" (may be faster), etc.)"},
#endif
{NULL, TYPE_END, false, NULL} // End of list
};
// Standard file names and paths
static const char PREFS_FILE_NAME[] = "/.sheepshaver_prefs";
static const char XDG_PREFS_FILE_NAME[] = "/prefs";
static const char XPRAM_FILE_NAME[] = "/.sheepshaver_nvram";
static const char XDG_XPRAM_FILE_NAME[] = "/nvram";
static const char XDG_CONFIG_SUBDIR[] = "/SheepShaver";
// Prefs file name and path
string UserPrefsPath;
static string home_dir;
static string xdg_config_dir;
static string prefs_name;
extern string xpram_name;
static string get_xdg_config_dir(void)
{
char *env;
if (env = getenv("XDG_CONFIG_HOME"))
return string(env) + XDG_CONFIG_SUBDIR;
if (env = getenv("HOME"))
return string(env) + "/.config" + XDG_CONFIG_SUBDIR;
return "";
}
static string get_home_dir(void)
{
char *env;
if(env = getenv("HOME"))
return string(env);
return "."; // last resort, use the current directory
}
static string get_dir(string *path)
{
int pos = path->find_last_of('/');
if (pos == 0)
return ""; // file is in root folder
if (pos == std::string::npos)
return "."; // file is in current folder
return path->substr(0, pos);
}
static void exit_if_dir(const string& path)
{
struct stat info;
if (stat(path.c_str(), &info) != 0){
return;
}
if ((info.st_mode & S_IFDIR) != 0)
{
fprintf(stderr, "ERROR: Cannot open %s (Is a directory)\n", prefs_name.c_str());
exit(1);
}
}
static bool load_prefs_file(const string& path, bool exit_on_failure)
{
exit_if_dir(path);
FILE *prefs = fopen(path.c_str(), "r");
if (prefs != NULL)
{
LoadPrefsFromStream(prefs);
fclose(prefs);
printf("Using prefs file at %s\n", prefs_name.c_str());
return true;
}
else if (exit_on_failure)
{
fprintf(stderr, "ERROR: Could not load prefs file from %s (%s)\n",
path.c_str(), strerror(errno));
exit(1);
}
return false;
}
/*
* Look for prefs file in the following locations (in order of priority):
* 1. From vmdir/.sheepshaver_prefs if a vmdir has been specified
* 2. From path specified with --config command line
* 3. From $HOME/.sheepshaver_prefs if it exists
* 4. From $XDG_CONFIG_HOME/SheepShaver/prefs if it exists
* 5. Create a new prefs file at $XDG_CONFIG_HOME/SheepShaver/prefs
* If $XDG_CONFIG_HOME doesn't exist, $HOME/.config is used instead,
* in accordance with XDG Base Directory Specification:
* https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html
*/
void LoadPrefs(const char* vmdir)
{
home_dir = get_home_dir();
xdg_config_dir = get_xdg_config_dir();
// vmdir was specified on the command line
if (vmdir)
{
prefs_name = string(vmdir) + XDG_PREFS_FILE_NAME;
xpram_name = string(vmdir) + XDG_XPRAM_FILE_NAME;
if (load_prefs_file(prefs_name, true))
return;
}
// --config was specified
if (!UserPrefsPath.empty())
{
prefs_name = UserPrefsPath;
xpram_name = get_dir(&prefs_name) + XPRAM_FILE_NAME;
if (load_prefs_file(prefs_name, true))
return;
}
// Load .basilisk_ii_prefs from $HOME if it exists
if (!home_dir.empty())
{
prefs_name = home_dir + PREFS_FILE_NAME;
xpram_name = home_dir + XPRAM_FILE_NAME;
if (load_prefs_file(prefs_name, false))
return;
}
// If no other prefs file exists, try the $XDG_CONFIG_HOME directory
if (!xdg_config_dir.empty())
{
prefs_name = xdg_config_dir + XDG_PREFS_FILE_NAME;
xpram_name = xdg_config_dir + XDG_XPRAM_FILE_NAME;
if (load_prefs_file(prefs_name, false))
return;
}
// No prefs file, save defaults in $XDG_CONFIG_HOME directory
#ifdef __linux__
PrefsAddString("cdrom", "/dev/cdrom");
#endif
printf("No prefs file found, creating new one at %s\n", prefs_name.c_str());
SavePrefs();
}
static bool is_dir(const string& path)
{
struct stat info;
if (stat(path.c_str(), &info) != 0){
return false;
}
return (info.st_mode & S_IFDIR) != 0;
}
static bool create_directories(const string& path, mode_t mode)
{
if (mkdir(path.c_str(), mode) == 0)
return true;
switch (errno)
{
case ENOENT:
{
int pos = path.find_last_of('/');
if (pos == std::string::npos)
return false;
if (!create_directories(path.substr(0,pos),mode))
return false;
}
return 0 == mkdir(path.c_str(),mode);
case EEXIST:
return is_dir(path);
default:
return false;
}
}
/*
* Save preferences to settings file
*/
void SavePrefs(void)
{
FILE *f;
string prefs_dir = get_dir(&prefs_name);
if (!prefs_dir.empty() && !is_dir(prefs_dir))
{
create_directories(prefs_dir, 0700);
}
if ((f = fopen(prefs_name.c_str(), "w")) != NULL)
{
SavePrefsToStream(f);
fclose(f);
}
else
{
fprintf(stderr, "WARNING: Unable to save %s (%s)\n",
prefs_name.c_str(), strerror(errno));
}
}
/*
* Add defaults of platform-specific prefs items
* You may also override the defaults set in PrefsInit()
*/
void AddPlatformPrefsDefaults(void)
{
PrefsAddBool("keycodes", false);
PrefsReplaceString("extfs", "/");
PrefsReplaceInt32("mousewheelmode", 1);
PrefsReplaceInt32("mousewheellines", 3);
#ifdef __linux__
if (access("/dev/sound/dsp", F_OK) == 0)
{
PrefsReplaceString("dsp", "/dev/sound/dsp");
}
else
{
PrefsReplaceString("dsp", "/dev/dsp");
}
if (access("/dev/sound/mixer", F_OK) == 0)
{
PrefsReplaceString("mixer", "/dev/sound/mixer");
}
else
{
PrefsReplaceString("mixer", "/dev/mixer");
}
#else
PrefsReplaceString("dsp", "/dev/dsp");
PrefsReplaceString("mixer", "/dev/mixer");
#endif
PrefsAddBool("idlewait", true);
}

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@ -0,0 +1 @@
../../../BasiliskII/src/Unix/prefs_unix.cpp