using a function instead of a macro saves 896 bytes of .text

misc.c

@@ -3,7 +3,7 @@
 
 #include "sh.h"
 
-__RCSID("$MirOS: src/bin/mksh/misc.c,v 1.19 2006/11/09 14:19:31 tg Exp $\t"
+__RCSID("$MirOS: src/bin/mksh/misc.c,v 1.20 2006/11/09 20:53:41 tg Exp $\t"
 	MKSH_SH_H_ID);
 
 short chtypes[UCHAR_MAX+1];	/* type bits for unsigned char */
@@ -81,6 +81,12 @@ str_nsave(const char *s, int n, Area *ap)
 	return (ns);
 }
 
+char *
+str_save(const char *s, Area *ap)
+{
+	return (str_nsave(s, s ? strlen(s) : 0, ap));
+}
+
 /* called from XcheckN() to grow buffer */
 char *
 Xcheck_grow_(XString *xsp, char *xp, unsigned more)