$NetBSD: patch-ai,v 1.2 1998/08/07 11:10:15 agc Exp $

--- util.c.orig	Fri Jan 23 17:37:13 1998
+++ util.c	Fri Jan 23 17:37:12 1998
@@ -361,3 +361,52 @@
     }
 }
 #endif
+
+int strwidth(const char *p)
+{
+    int i = 0, len, incr;
+    const char *start, *s, *s1, *s2;
+
+    for (start = s = p; ; start = (s += incr)) {
+        s1 = strchr(s, '\n');
+        s2 = strstr(s, "\\n");
+        if (s2 == NULL)
+            s = s1;
+        else if (s1 == NULL)
+            s = s2;
+        else
+            s = MIN(s1, s2);
+        if (s == NULL)
+            break;
+        incr = 1 + (s == s2);
+        len = s - start;
+        if (len > i)
+            i = len;
+    }
+    len = strlen(start);
+    if (len > i)
+        i = len;
+    return i;
+}
+
+int strheight(const char *p)
+{
+    int i = 1, incr;
+    const char *s, *s1, *s2;
+
+    for (s = p; ; s += incr) {
+        s1 = strchr(s, '\n');
+        s2 = strstr(s, "\\n");
+        if (s2 == NULL)
+            s = s1;
+        else if (s1 == NULL)
+            s = s2;
+        else
+            s = MIN(s1, s2);
+        if (s == NULL)
+            break;
+        incr = 1 + (s == s2);
+        i++;
+    }
+    return i;
+}