Updated SVC_VoiceInit for latest TF2 version.

external/sourcesdk/include/sourcesdk/valve_support.h

@@ -4,6 +4,7 @@
 #include <cstdint>
 #include <cstddef>
 #include <cassert>
+#include <string.h>
 #include "vector.h"
 
 using uint64 = std::uint64_t;
@@ -160,3 +161,32 @@ inline int GetBitForBitnum( int bitNum )
     };
     return bitsForBitnum[ (bitNum) & (BITS_PER_INT-1) ]; 
 }
+
+#ifndef _WIN32
+#define _strnicmp strncasecmp
+#endif
+
+inline int V_strnicmp( const char *str1, const char *str2, int n )
+{
+    const unsigned char *s1 = (const unsigned char*)str1;
+    const unsigned char *s2 = (const unsigned char*)str2;
+    for ( ; n > 0 && *s1; --n, ++s1, ++s2 )
+    {
+        if ( *s1 != *s2 )
+        {
+            // in ascii char set, lowercase = uppercase | 0x20
+            unsigned char c1 = *s1 | 0x20;
+            unsigned char c2 = *s2 | 0x20;
+            if ( c1 != c2 || (unsigned char)(c1 - 'a') > ('z' - 'a') )
+            {
+                // if non-ascii mismatch, fall back to CRT for locale
+                if ( (c1 | c2) >= 0x80 ) return _strnicmp( (const char*)s1, (const char*)s2, n );
+                // ascii mismatch. only use the | 0x20 value if alphabetic.
+                if ((unsigned char)(c1 - 'a') > ('z' - 'a')) c1 = *s1;
+                if ((unsigned char)(c2 - 'a') > ('z' - 'a')) c2 = *s2;
+                return c1 > c2 ? 1 : -1;
+            }
+        }
+    }
+    return (n > 0 && *s2) ? -1 : 0;
+}