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Linux: Use $XDG_CONFIG_HOME if possible 

This coommit makes reicast use $XDG_CONFIG_HOME from XDG Base Directory
Specification[1] if possible.

For backwards-compatability with older installations, it checks if the
old-style config directory at $HOME/.reicast exists. If so, it'll use
that instead.

All new installation should use $XDG_CONFIG_HOME/reicast (or if
that environment variable is not set: $HOME/.config/reicast).

[1] http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html
This commit is contained in:
Jan Holthuis 2015-08-22 18:47:17 +02:00
parent 1a751e3b5b
commit c24a5faf5b
1 changed files with 44 additions and 9 deletions
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53
core/linux-dist/main.cpp
View File

@ -239,6 +239,49 @@ void dc_run();
}
#endif
string get_config_dir()
{
#ifdef USES_HOMEDIR
struct stat info;
string home = "";
if(getenv("HOME") != NULL)
{
// Support for the legacy config dir at "$HOME/.reicast"
string legacy_home = (string)getenv("HOME") + "/.reicast";
if((stat(legacy_home.c_str(), &info) == 0) && (info.st_mode & S_IFDIR))
{
// "$HOME/.reicast" already exists, let's use it!
return legacy_home;
}
/* If $XDG_CONFIG_HOME is not set, we're supposed to use "$HOME/.config" instead.
* Consult the XDG Base Directory Specification for details:
* http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html#variables
*/
home = (string)getenv("HOME") + "/.config/reicast";
}
if(getenv("XDG_CONFIG_HOME") != NULL)
{
// If XDG_CONFIG_HOME is set explicitly, we'll use that instead of $HOME/.config
home = (string)getenv("XDG_CONFIG_HOME") + "/reicast";
}
if(!home.empty())
{
if((stat(home.c_str(), &info) != 0) || !(info.st_mode & S_IFDIR))
{
// If the directory doesn't exist yet, create it!
mkdir(home.c_str(), 0755);
}
return home;
}
#endif
// Unable to detect config dir, use the current folder
return ".";
}
int main(int argc, wchar* argv[])
{
#ifdef TARGET_PANDORA
@ -247,15 +290,7 @@ int main(int argc, wchar* argv[])
#endif
/* Set home dir */
string home = ".";
#if defined(USES_HOMEDIR)
if(getenv("HOME") != NULL)
{
home = (string)getenv("HOME") + "/.reicast";
mkdir(home.c_str(), 0755); // create the directory if missing
}
#endif
SetHomeDir(home);
SetHomeDir(get_config_dir());
printf("Home dir is: %s\n", GetPath("/").c_str());
common_linux_setup();