public: introduce Q_strnicmpext function

The goal is to provide both string compare with fixed length and simple pattern match

public/crtlib.c

@@ -338,12 +338,15 @@ static qboolean Q_starcmp( const char *pattern, const char *text )
 	}
 }
 
-qboolean Q_stricmpext( const char *pattern, const char *text )
+qboolean Q_strnicmpext( const char *pattern, const char *text, size_t minimumlength )
 {
+	size_t  i = 0;
 	char	c;
 
 	while(( c = *pattern++ ) != '\0' )
 	{
+		i++;
+
 		switch( c )
 		{
 		case '?':
@@ -361,7 +364,12 @@ qboolean Q_stricmpext( const char *pattern, const char *text )
 				return false;
 		}
 	}
-	return ( *text == '\0' );
+	return ( *text == '\0' ) || i == minimumlength;
+}
+
+qboolean Q_stricmpext( const char *pattern, const char *text )
+{
+	return Q_strnicmpext( pattern, text, ~((size_t)0) );
 }
 
 const char* Q_timestamp( int format )

public/crtlib.h

@@ -76,7 +76,8 @@ float Q_atof( const char *str );
 void Q_atov( float *vec, const char *str, size_t siz );
 #define Q_strchr  strchr
 #define Q_strrchr strrchr
-qboolean Q_stricmpext( const char *s1, const char *s2 );
+qboolean Q_stricmpext( const char *pattern, const char *text );
+qboolean Q_strnicmpext( const char *pattern, const char *text, size_t minimumlen );
 const char *Q_timestamp( int format );
 #define Q_vsprintf( buffer, format, args ) Q_vsnprintf( buffer, 99999, format, args )
 int Q_vsnprintf( char *buffer, size_t buffersize, const char *format, va_list args );