corrected cap.c

1988-06-03 09:36:08 +00:00 · 1988-06-03 09:36:08 +00:00 · a22b21016e
commit a22b21016e
parent 5ce46ce603
1 changed files with 3 additions and 1 deletions
--- a/lang/m2/libm2/cap.c
+++ b/lang/m2/libm2/cap.c
@ -12,5 +12,7 @@
 cap(u)
 	unsigned u;
 {
-	if (u >= 'a' && u <= 'z') u += 'A'-'a';
+	register unsigned *p = &u;
+
+	if (*p >= 'a' && *p <= 'z') *p += 'A'-'a';
 }