public: crtlib: add Q_isspace function

common/const.h

@@ -725,7 +725,6 @@ typedef int		string_t;
 typedef unsigned short	word;
 
 #include "xash3d_types.h"
-#define Q_isspace( ch )	(ch < 32 || ch > 255)
 
 typedef struct
 {

public/crtlib.c

@@ -61,6 +61,16 @@ qboolean Q_isdigit( const char *str )
 	return false;
 }
 
+qboolean Q_isspace( const char *str )
+{
+	if( str && *str )
+	{
+		while( isspace( *str ) ) str++;
+		if( !*str ) return true;
+	}
+	return false;
+}
+
 size_t Q_colorstr( const char *string )
 {
 	size_t		len;

public/crtlib.h

@@ -61,6 +61,7 @@ size_t Q_strncat( char *dst, const char *src, size_t siz );
 size_t Q_strncpy( char *dst, const char *src, size_t siz );
 uint Q_hashkey( const char *string, uint hashSize, qboolean caseinsensitive );
 qboolean Q_isdigit( const char *str );
+qboolean Q_isspace( const char *str );
 int Q_atoi( const char *str );
 float Q_atof( const char *str );
 void Q_atov( float *vec, const char *str, size_t siz );