#endif
#include <msp/core/except.h>
#include <msp/strings/regex.h>
+#include <msp/strings/utils.h>
#include "dir.h"
#include "path.h"
#include "stat.h"
namespace Msp {
namespace FS {
+namespace
+{
+
+/**
+Helper function to determine the location of the program's executable. Caches
+the last result to cut down filesystem access with repeated calls.
+*/
+const Path &get_bin_dir(const string &argv0)
+{
+ static string last_argv0;
+ static Path bin_dir;
+
+ if(!(argv0==last_argv0))
+ {
+ Path exe;
+ if(argv0.find('/')==string::npos)
+ {
+ const char *path=getenv("PATH");
+ vector<string> dirs=split(path, ':');
+ for(vector<string>::const_iterator i=dirs.begin(); i!=dirs.end(); ++i)
+ if(exists(Path(*i)/argv0))
+ {
+ exe=realpath(Path(*i)/argv0);
+ break;
+ }
+ }
+ else
+ exe=realpath(argv0);
+
+ last_argv0=argv0;
+ bin_dir=dirname(exe);
+ }
+
+ return bin_dir;
+}
+
+}
+
void mkdir(const Path &path, int mode)
{
int err;
#endif
}
+Path get_sys_conf_dir(const string &argv0)
+{
+ Path dir=get_bin_dir(argv0);
+
+ if(dir[-1]=="bin" || dir[-1]=="sbin")
+ {
+ dir/="..";
+ if(dir[-1]=="usr")
+ dir/="..";
+ return dir/"etc";
+ }
+ else
+ return dir;
+}
+
+Path get_sys_data_dir(const string &argv0, const string &appname)
+{
+ Path dir=get_bin_dir(argv0);
+
+ if(dir[-1]=="bin" || dir[-1]=="sbin")
+ return dir/".."/"share"/appname;
+ else
+ return dir;
+}
+
void chdir(const Path &path)
{
if(::chdir(path.str().c_str())==-1)