shithub: neatroff

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cp: call num_str() only once when reading a number register

This makes processing some input files 10% faster.

--- a/cp.c

+++ b/cp.c

@@ -53,13 +53,14 @@

 {

 	int id;

 	int c = cp_noninext();

+	char *s;

 	if (c != '-' && c != '+')

 		cp_back(c);

 	id = regid();

 	if (c == '-' || c == '+')

 		num_inc(id, c == '+');

-	if (num_str(id))

-		in_push(num_str(id), NULL);

+	if ((s = num_str(id)) != NULL)

+		in_push(s, NULL);

 }

 /* interpolate \*(xy */