remove a machinedep function

rogue/init.c

@@ -46,6 +46,9 @@
 
 #include <stdlib.h>
 #include <fcntl.h>
+#include <unistd.h> /* getuid(2) */
+#include <sys/types.h> /* <pwd.h> */
+#include <pwd.h> /* getpwuid(3) */
 
 #include "rogue.h"
 
@@ -74,7 +77,6 @@ gid_t gid, egid;
 int
 init(int argc, char *argv[])
 {
-	const char *pn;
 	int seed;
 	int fd;
 
@@ -88,12 +90,21 @@ init(int argc, char *argv[])
 	close(fd);
 
 	seed = 0;
-	pn = md_gln();
-	if ((!pn) || (strlen(pn) >= MAX_OPT_LEN)) {
-		clean_up("Hey!  Who are you?");
+	{
+		char *ps;
+		struct passwd *p;
+		if((p = getpwuid(getuid())) != NULL
+				|| strlen(p->pw_name)
+					>= (sizeof login_name)
+						/ (sizeof *login_name))
+			clean_up("Hey!  Who are you?");
+		else
+			ps = p->pw_name;
+		strncpy(login_name, ps,
+			(sizeof login_name)/(sizeof *login_name) - 1);
+		login_name[(sizeof login_name)/(sizeof *login_name) - 1]
+			= '\0';
 	}
-	/* LOGIN_NAME_SIZE == MAX_OPT_LEN now, but just in case... */
-	(void)strlcpy(login_name, pn, sizeof(login_name));
 
 	do_args(argc, argv);
 	do_opts();

rogue/machdep.c

@@ -294,25 +294,6 @@ md_df(const char *fname)
 	return(1);
 }
 
-/* md_gln: (Get login name)
- *
- * This routine returns the login name of the user.  This string is
- * used mainly for identifying users in score files.
- *
- * A dummy string may be returned if you are unable to implement this
- * function, but then the score file would only have one name in it.
- */
-
-const char *
-md_gln(void)
-{
-	struct passwd *p;
-
-	if (!(p = getpwuid(getuid())))
-		return NULL;
-	return p->pw_name;
-}
-
 /* md_sleep:
  *
  * This routine causes the game to pause for the specified number of