From: Eric S. Raymond <esr@thyrsus.com>
Date: Wed, 29 Mar 2023 20:18:34 +0000 (-0400)
Subject: Implement -d option.
X-Git-Url: https://jxself.org/git/?a=commitdiff_plain;h=d388877c1b1eea7df89c4a688f7de5c118d59f4b;p=open-adventure.git

Implement -d option.
---

diff --git a/main.c b/main.c
index 558edcf..bfc4a12 100644
--- a/main.c
+++ b/main.c
@@ -42,6 +42,7 @@ long ABBNUM, ACTSPK[36], AMBER, ATTACK, AXE, BACK, BATTER, BEAR, BIRD, BLOOD, BO
 		WZDARK = false, ZZWORD;
 FILE  *logfp;
 bool oldstyle = false;
+int debug;
 lcg_state lcgstate;
 
 extern void initialise();
@@ -67,8 +68,11 @@ int main(int argc, char *argv[]) {
 
 /*  Options. */
 
-	while ((ch = getopt(argc, argv, "l:o")) != EOF) {
+	while ((ch = getopt(argc, argv, "dl:o")) != EOF) {
 		switch (ch) {
+		case 'd':
+		    debug += 1;
+		    break;
 		case 'l':
 			logfp = fopen(optarg, "w+");
 			if (logfp == NULL)
diff --git a/main.h b/main.h
index 184acee..8489fa4 100644
--- a/main.h
+++ b/main.h
@@ -13,4 +13,5 @@ extern long ABB[], ATAB[], ATLOC[], BLKLIN, DFLAG, DLOC[], FIXED[], HOLDNG,
 extern signed char rawbuf[LINESIZE], INLINE[LINESIZE+1], MAP1[], MAP2[];
 extern FILE *logfp;
 extern bool oldstyle;
+extern int debug;
 extern lcg_state lcgstate;
diff --git a/misc.c b/misc.c
index e717b3f..4ee0f2b 100644
--- a/misc.c
+++ b/misc.c
@@ -770,6 +770,9 @@ unsigned long get_next_lcg_value(void)
   /* Return the LCG's current value, and then iterate it. */
   unsigned long old_x = lcgstate.x;
   lcgstate.x = (lcgstate.a * lcgstate.x + lcgstate.c) % lcgstate.m;
+  if (debug) {
+      printf("# random %lu\n", old_x);
+  }
   return(old_x);
 }