adjust PREFIXES_IN_USE for SYSCF

include/decl.h

@@ -1,4 +1,4 @@
-/* NetHack 3.5	decl.h	$NHDT-Date: 1427035422 2015/03/22 14:43:42 $  $NHDT-Branch: master $:$NHDT-Revision: 1.56 $ */
+/* NetHack 3.5	decl.h	$NHDT-Date: 1425081976 2015/02/28 00:06:16 $  $NHDT-Branch: master $:$NHDT-Revision: 1.50 $ */
 /* NetHack 3.5	decl.h	$Date: 2011/12/29 20:06:27 $  $Revision: 1.44 $ */
 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
 /* NetHack may be freely redistributed.  See license for details. */
@@ -363,9 +363,10 @@ E const char * const monexplain[], invisexplain[], * const oclass_names[];
 #define DATAPREFIX	4	/* this one must match hardcoded value in dlb.c */
 #define SCOREPREFIX	5
 #define LOCKPREFIX	6
-#define CONFIGPREFIX	7
+#define SYSCONFPREFIX	7
-#define TROUBLEPREFIX	8
+#define CONFIGPREFIX	8
-#define PREFIX_COUNT	9
+#define TROUBLEPREFIX	9
+#define PREFIX_COUNT	10
 /* used in files.c; xxconf.h can override if needed */
 # ifndef FQN_MAX_FILENAME
 #define FQN_MAX_FILENAME 512

src/decl.c

@@ -268,12 +268,14 @@ char toplines[TBUFSZ];
 struct tc_gbl_data tc_gbl_data = { 0,0, 0,0 };	/* AS,AE, LI,CO */
 
 char *fqn_prefix[PREFIX_COUNT] = { (char *)0, (char *)0, (char *)0, (char *)0,
-				(char *)0, (char *)0, (char *)0, (char *)0, (char *)0 };
+				(char *)0, (char *)0, (char *)0, (char *)0,
+				(char *)0 , (char *)0 };
 
 #ifdef PREFIXES_IN_USE
 char *fqn_prefix_names[PREFIX_COUNT] = { "hackdir", "leveldir", "savedir",
 					"bonesdir", "datadir", "scoredir",
-					"lockdir", "configdir", "troubledir" };
+					"lockdir", "sysconfdir", "configdir",
+					"troubledir" };
 #endif
 
 NEARDATA struct savefile_info sfcap = {

src/files.c

@@ -1,4 +1,4 @@
-/* NetHack 3.5	files.c	$NHDT-Date: 1427035432 2015/03/22 14:43:52 $  $NHDT-Branch: master $:$NHDT-Revision: 1.138 $ */
+/* NetHack 3.5	files.c	$NHDT-Date: 1426969026 2015/03/21 20:17:06 $  $NHDT-Branch: master $:$NHDT-Revision: 1.137 $ */
 /* NetHack 3.5	files.c	$Date: 2012/03/10 02:49:08 $  $Revision: 1.124 $ */
 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
 /* NetHack may be freely redistributed.  See license for details. */
@@ -362,7 +362,9 @@ char *reasonbuf;  /* reasonbuf must be at least BUFSZ, supplied by caller */
 #if defined(NOCWD_ASSUMPTIONS)
 	for (prefcnt = 1; prefcnt < PREFIX_COUNT; prefcnt++) {
 		/* don't test writing to configdir or datadir; they're readonly */
-		if (prefcnt == CONFIGPREFIX || prefcnt == DATAPREFIX) continue;
+		if (prefcnt == SYSCONFPREFIX ||
+		    prefcnt == CONFIGPREFIX ||
+		    prefcnt == DATAPREFIX) continue;
 		filename = fqname("validate", prefcnt, 3);
 		if ((fp = fopen(filename, "w"))) {
 			fclose(fp);
@@ -1858,6 +1860,12 @@ int src;
 			wait_synch();
 			/* fall through to standard names */
 		} else
+#endif
+#ifdef PREFIXES_IN_USE
+		if (src == SET_IN_SYS) {
+			(void) strncpy(lastconfigfile,
+				fqname(filename, SYSCONFPREFIX, 0), BUFSZ-1);
+		} else
 #endif
 		(void) strncpy(lastconfigfile, filename, BUFSZ-1);
 		lastconfigfile[BUFSZ-1] = '\0';
@@ -1886,7 +1894,7 @@ int src;
 			fqname(backward_compat_configfile, CONFIGPREFIX, 0),
 			BUFSZ-1);
 	lastconfigfile[BUFSZ-1] = '\0';
-	else if ((fp = fopenp(fqname(lastconfigfile, "r")) != (FILE *)0)
+	else if ((fp = fopenp(lastconfigfile, "r")) != (FILE *)0)
 		return(fp);
 # endif
 #else