Impliment the ISO-C99 strto[u]ll()

and rewrite strto[u]q() in terms of it.

1 files changed, 6 insertions, 63 deletions

diff --git a/lib/libc/stdlib/strtouq.c b/lib/libc/stdlib/strtouq.c
index 7656a3c53b14..6005e5bf2d2f 100644
--- a/lib/libc/stdlib/strtouq.c
+++ b/lib/libc/stdlib/strtouq.c
@@ -35,11 +35,11 @@
 static char sccsid[] = "@(#)strtouq.c	8.1 (Berkeley) 6/4/93";
 #endif /* LIBC_SCCS and not lint */
 
-#include <sys/types.h>
+#ifndef lint
+static const char rcsid[] =
+  "$FreeBSD$";
+#endif
 
-#include <limits.h>
-#include <errno.h>
-#include <ctype.h>
 #include <stdlib.h>
 
 /*
@@ -52,65 +52,8 @@ u_quad_t
 strtouq(nptr, endptr, base)
 	const char *nptr;
 	char **endptr;
-	register int base;
+	int base;
 {
-	register const char *s = nptr;
-	register u_quad_t acc;
-	register unsigned char c;
-	register u_quad_t qbase, cutoff;
-	register int neg, any, cutlim;
 
-	/*
-	 * See strtoq for comments as to the logic used.
-	 */
-	s = nptr;
-	do {
-		c = *s++;
-	} while (isspace(c));
-	if (c == '-') {
-		neg = 1;
-		c = *s++;
-	} else {
-		neg = 0;
-		if (c == '+')
-			c = *s++;
-	}
-	if ((base == 0 || base == 16) &&
-	    c == '0' && (*s == 'x' || *s == 'X')) {
-		c = s[1];
-		s += 2;
-		base = 16;
-	}
-	if (base == 0)
-		base = c == '0' ? 8 : 10;
-	qbase = (unsigned)base;
-	cutoff = (u_quad_t)UQUAD_MAX / qbase;
-	cutlim = (u_quad_t)UQUAD_MAX % qbase;
-	for (acc = 0, any = 0;; c = *s++) {
-		if (!isascii(c))
-			break;
-		if (isdigit(c))
-			c -= '0';
-		else if (isalpha(c))
-			c -= isupper(c) ? 'A' - 10 : 'a' - 10;
-		else
-			break;
-		if (c >= base)
-			break;
-		if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim))
-			any = -1;
-		else {
-			any = 1;
-			acc *= qbase;
-			acc += c;
-		}
-	}
-	if (any < 0) {
-		acc = UQUAD_MAX;
-		errno = ERANGE;
-	} else if (neg)
-		acc = -acc;
-	if (endptr != 0)
-		*endptr = (char *)(any ? s - 1 : nptr);
-	return (acc);
+	return strtoull(nptr, endptr, base);
 }