+
+/* -----------------------------------------------------------------------------
+ Getting/Setting the program's arguments.
+
+ These are used by System.Environment, and parts of the RTS.
+ -------------------------------------------------------------------------- */
+
+void
+setProgName(char *argv[])
+{
+ /* Remove directory from argv[0] -- default files in current directory */
+#if !defined(mingw32_HOST_OS)
+ char *last_slash;
+ if ( (last_slash = (char *) strrchr(argv[0], '/')) != NULL ) {
+ prog_name = last_slash+1;
+ } else {
+ prog_name = argv[0];
+ }
+#else
+ char* last_slash = argv[0] + (strlen(argv[0]) - 1);
+ while ( last_slash > argv[0] ) {
+ if ( *last_slash == '/' || *last_slash == '\\' ) {
+ prog_name = last_slash+1;
+ return;
+ }
+ last_slash--;
+ }
+ prog_name = argv[0];
+#endif
+}
+
+void
+getProgArgv(int *argc, char **argv[])
+{
+ if (argc) { *argc = prog_argc; }
+ if (argv) { *argv = prog_argv; }
+}
+
+void
+setProgArgv(int argc, char *argv[])
+{
+ /* Usually this is done by startupHaskell, so we don't need to call this.
+ However, sometimes Hugs wants to change the arguments which Haskell
+ getArgs >>= ... will be fed. So you can do that by calling here
+ _after_ calling startupHaskell.
+ */
+ prog_argc = argc;
+ prog_argv = argv;
+ setProgName(prog_argv);
+}