From 0ec9503a81eeeb5a23e8654cc0e76fca89ab163b Mon Sep 17 00:00:00 2001
From: deraadt <>
Date: Thu, 21 Dec 1995 14:58:39 +0000
Subject: from netbsd; Rearrange to avoid sign problems with GCC.

---
 src/lib/libc/stdlib/strtouq.c | 30 +++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)

(limited to 'src/lib/libc/stdlib/strtouq.c')

diff --git a/src/lib/libc/stdlib/strtouq.c b/src/lib/libc/stdlib/strtouq.c
index cc647d8d28..3ab2c232dd 100644
--- a/src/lib/libc/stdlib/strtouq.c
+++ b/src/lib/libc/stdlib/strtouq.c
@@ -37,9 +37,9 @@ static char sccsid[] = "@(#)strtouq.c	5.1 (Berkeley) 6/26/92";
 
 #include <sys/types.h>
 
-#include <limits.h>
-#include <errno.h>
 #include <ctype.h>
+#include <errno.h>
+#include <limits.h>
 #include <stdlib.h>
 
 /*
@@ -54,10 +54,9 @@ strtouq(nptr, endptr, base)
 	char **endptr;
 	register int base;
 {
-	register const char *s = nptr;
-	register u_quad_t acc;
+	register const char *s;
+	register u_quad_t acc, cutoff;
 	register int c;
-	register u_quad_t qbase, cutoff;
 	register int neg, any, cutlim;
 
 	/*
@@ -83,9 +82,9 @@ strtouq(nptr, endptr, base)
 	}
 	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;
+
+	cutoff = UQUAD_MAX / (u_quad_t)base;
+	cutlim = UQUAD_MAX % (u_quad_t)base;
 	for (acc = 0, any = 0;; c = *s++) {
 		if (isdigit(c))
 			c -= '0';
@@ -95,18 +94,19 @@ strtouq(nptr, endptr, base)
 			break;
 		if (c >= base)
 			break;
-		if (any < 0 || acc > cutoff || acc == cutoff && c > cutlim)
+		if (any < 0)
+			continue;
+		if (acc > cutoff || acc == cutoff && c > cutlim) {
 			any = -1;
-		else {
+			acc = UQUAD_MAX;
+			errno = ERANGE;
+		} else {
 			any = 1;
-			acc *= qbase;
+			acc *= (u_quad_t)base;
 			acc += c;
 		}
 	}
-	if (any < 0) {
-		acc = UQUAD_MAX;
-		errno = ERANGE;
-	} else if (neg)
+	if (neg && any > 0)
 		acc = -acc;
 	if (endptr != 0)
 		*endptr = (char *) (any ? s - 1 : nptr);
-- 
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