Initial revision

modules/src/string/bts2str.c

@@ -0,0 +1,33 @@
+/*	bts2str() turns a row of bytes b with length n into string s
+	The ASCII set of characters is used.
+	86/03/17 EHB
+*/
+
+#define is_print(c)	((unsigned)((c) - ' ') <= '~' - ' ')
+
+char *
+bts2str(b, n, s)
+	char *b, *s;
+	register int n;
+{
+	register char *f = b, *t = s;
+
+	while (n-- > 0) {
+		if (is_print(*f))
+			*t++ = *f++;
+		else {
+			register int n = (*f++ & 0377);
+			register int i;
+			register char *p;
+
+			*t = '\\';
+			p = (t += 4);
+			for (i = 0; i < 3; i++) {
+				*--p = (n & 07) + '0';
+				n >>= 3;
+			}
+		}
+	}
+	*t = '\000';
+	return s;
+}