From cb40fd155527783f1a45122165d2c0385a13332c Mon Sep 17 00:00:00 2001
From: aap <aap@papnet.eu>
Date: Thu, 25 Feb 2016 00:30:26 +0100
Subject: [PATCH] implemented a case insensitive strncmp

---
 src/anim.cpp   |  2 +-
 src/image.cpp  |  2 +-
 src/rwbase.cpp | 17 +++++++++++++++++
 src/rwbase.h   |  2 ++
 4 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/src/anim.cpp b/src/anim.cpp
index 2de9cae..bd647bb 100644
--- a/src/anim.cpp
+++ b/src/anim.cpp
@@ -227,7 +227,7 @@ UVAnimDictionary::find(const char *name)
 	FORLIST(lnk, this->animations){
 		Animation *anim = UVAnimDictEntry::fromDict(lnk)->anim;
 		UVAnimCustomData *custom = (UVAnimCustomData*)anim->customData;
-		if(strncmp(custom->name, name, 32) == 0)	// strncmp correct?
+		if(strncmp_ci(custom->name, name, 32) == 0)
 			return anim;
 	}
 	return NULL;
diff --git a/src/image.cpp b/src/image.cpp
index 516a269..5362e1d 100755
--- a/src/image.cpp
+++ b/src/image.cpp
@@ -53,7 +53,7 @@ TexDictionary::find(const char *name)
 {
 	FORLIST(lnk, this->textures){
 		Texture *tex = Texture::fromDict(lnk);
-		if(strncmp(tex->name, name, 32) == 0)
+		if(strncmp_ci(tex->name, name, 32) == 0)
 			return tex;
 	}
 	return NULL;
diff --git a/src/rwbase.cpp b/src/rwbase.cpp
index bc95121..a00c084 100644
--- a/src/rwbase.cpp
+++ b/src/rwbase.cpp
@@ -3,6 +3,7 @@
 #include <cstring>
 #include <cassert>
 #include <cmath>
+#include <cctype>
 
 #include "rwbase.h"
 #include "rwplugin.h"
@@ -67,6 +68,22 @@ initialize(void)
 	Frame::dirtyList.init();
 }
 
+// lazy implementation
+int
+strncmp_ci(const char *s1, const char *s2, int n)
+{
+	char c1, c2;
+	while(n--){
+		c1 = tolower(*s1);
+		c2 = tolower(*s2);
+		if(c1 != c2)
+			return c1 - c2;
+		s1++;
+		s2++;
+	}
+	return 0;
+}
+
 Quat
 mult(const Quat &q, const Quat &p)
 {
diff --git a/src/rwbase.h b/src/rwbase.h
index 4b727d3..21782fa 100644
--- a/src/rwbase.h
+++ b/src/rwbase.h
@@ -281,6 +281,8 @@ extern char *debugFile;
 
 void initialize(void);
 
+int strncmp_ci(const char *s1, const char *s2, int n);
+
 // 0x04000000	3.1
 // 0x08000000	3.2
 // 0x0C000000	3.3