From dbb18e586d5303b73906e3d9eeeb9d591db316e2 Mon Sep 17 00:00:00 2001
From: Kawe Mazidjatari <48657826+Mauler125@users.noreply.github.com>
Date: Mon, 10 Jul 2023 19:16:12 +0200
Subject: [PATCH] Add 'V_ComparePath'

Add function to compare paths for equality, while ignoring case and path separators.
---
 r5dev/public/tier1/strtools.h |  2 ++
 r5dev/tier1/strtools.cpp      | 34 ++++++++++++++++++++++++++++++++++
 2 files changed, 36 insertions(+)

diff --git a/r5dev/public/tier1/strtools.h b/r5dev/public/tier1/strtools.h
index e1b09264..15aa9233 100644
--- a/r5dev/public/tier1/strtools.h
+++ b/r5dev/public/tier1/strtools.h
@@ -82,6 +82,8 @@ typedef enum
 // String matching using wildcards (*) for partial matches.
 bool V_StringMatchesPattern(const char* szString, const char* szPattern, int flags = 0);
 
+bool V_ComparePath(const char* a, const char* b);
+
 void V_FixSlashes(char* pname, char separator = CORRECT_PATH_SEPARATOR);
 
 // Adds a path separator to the end of the string if there isn't one already and the string is not empty.
diff --git a/r5dev/tier1/strtools.cpp b/r5dev/tier1/strtools.cpp
index 6c0cbfd0..44f6fa1a 100644
--- a/r5dev/tier1/strtools.cpp
+++ b/r5dev/tier1/strtools.cpp
@@ -395,6 +395,40 @@ bool V_StringMatchesPattern(const char* pszSource, const char* pszPattern, int n
 	}
 }
 
+//-----------------------------------------------------------------------------
+// Purpose: Compares file paths, ignores case and path separators
+// Input  : *a - 
+//          *b - 
+// Output : true if equal, false otherwise
+//-----------------------------------------------------------------------------
+bool V_ComparePath(const char* a, const char* b)
+{
+	if (strlen(a) != strlen(b))
+	{
+		return false;
+	}
+
+	// Case and separator invariant
+	for (; *a; a++, b++)
+	{
+		if (*a == *b)
+		{
+			continue;
+		}
+		if (tolower_fast(*a) == tolower_fast(*b))
+		{
+			continue;
+		}
+		if ((*a == '/' || *a == '\\') &&
+			(*b == '/' || *b == '\\'))
+		{
+			continue;
+		}
+		return false;
+	}
+	return true;
+}
+
 //-----------------------------------------------------------------------------
 // Purpose: Changes all '/' or '\' characters into separator
 // Input  : *pName -