From 6c6ae344dedb3642d2d509c8bd2d375339e473ea Mon Sep 17 00:00:00 2001
From: Anders Jenbo <anders@jenbo.dk>
Date: Wed, 8 Apr 2020 17:56:28 +0200
Subject: [PATCH] Deduplicate strings in argument parsing

---
 Source/diablo.cpp | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/Source/diablo.cpp b/Source/diablo.cpp
index 97bc81910..0ae5c913f 100644
--- a/Source/diablo.cpp
+++ b/Source/diablo.cpp
@@ -347,19 +347,22 @@ void diablo_parse_flags(char *args)
 		while (isspace(*args)) {
 			args++;
 		}
-		if (_strnicmp("dd_emulate", args, strlen("dd_emulate")) == 0) {
+		static char de[] = "dd_emulate";
+		if (_strnicmp(de, args, strlen(de)) == 0) {
 			gbEmulate = TRUE;
-			args += strlen("dd_emulate");
+			args += strlen(de);
 			continue;
 		}
-		if (_strnicmp("dd_backbuf", args, strlen("dd_backbuf")) == 0) {
+		static char db[] = "dd_backbuf";
+		if (_strnicmp(db, args, strlen(db)) == 0) {
 			gbBackBuf = TRUE;
-			args += strlen("dd_backbuf");
+			args += strlen(db);
 			continue;
 		}
-		if (_strnicmp("ds_noduplicates", args, strlen("ds_noduplicates")) == 0) {
+		static char ds[] = "ds_noduplicates";
+		if (_strnicmp(ds, args, strlen(ds)) == 0) {
 			gbDupSounds = FALSE;
-			args += strlen("ds_noduplicates");
+			args += strlen(ds);
 			continue;
 		}
 			c = tolower(*args);