1 files changed, 39 insertions, 29 deletions

diff --git a/src/lib/libc/stdlib/strtouq.c b/src/lib/libc/stdlib/strtoull.c
index cc647d8d28..a0ac9b381f 100644
--- a/src/lib/libc/stdlib/strtouq.c
+++ b/src/lib/libc/stdlib/strtoull.c
@@ -10,11 +10,7 @@
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *      This product includes software developed by the University of
- *      California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
+ * 3. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
@@ -32,40 +28,39 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char sccsid[] = "@(#)strtouq.c   5.1 (Berkeley) 6/26/92";
+static const char rcsid[] = "$OpenBSD: strtoull.c,v 1.2 2003/06/02 20:18:38 millert Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <sys/types.h>
 
-#include <limits.h>
-#include <errno.h>
 #include <ctype.h>
+#include <errno.h>
+#include <limits.h>
 #include <stdlib.h>
 
 /*
- * Convert a string to an unsigned quad integer.
+ * Convert a string to an unsigned long long.
  *
  * Ignores `locale' stuff.  Assumes that the upper and lower case
  * alphabets and digits are each contiguous.
  */
-u_quad_t
-strtouq(nptr, endptr, base)
+unsigned long long
+strtoull(nptr, endptr, base)
         const char *nptr;
         char **endptr;
-        register int base;
+        int base;
 {
-        register const char *s = nptr;
-        register u_quad_t acc;
-        register int c;
-        register u_quad_t qbase, cutoff;
-        register int neg, any, cutlim;
+        const char *s;
+        unsigned long long acc, cutoff;
+        int c;
+        int neg, any, cutlim;
 
         /*
          * See strtoq for comments as to the logic used.
          */
         s = nptr;
         do {
-                c = *s++;
+                c = (unsigned char) *s++;
         } while (isspace(c));
         if (c == '-') {
                 neg = 1;
@@ -83,10 +78,10 @@ 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;
-        for (acc = 0, any = 0;; c = *s++) {
+
+        cutoff = ULLONG_MAX / (unsigned long long)base;
+        cutlim = ULLONG_MAX % (unsigned long long)base;
+        for (acc = 0, any = 0;; c = (unsigned char) *s++) {
                 if (isdigit(c))
                         c -= '0';
                 else if (isalpha(c))
@@ -95,20 +90,35 @@ 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 = ULLONG_MAX;
+                        errno = ERANGE;
+                } else {
                         any = 1;
-                        acc *= qbase;
+                        acc *= (unsigned long long)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);
         return (acc);
 }
+
+#ifdef __weak_alias
+__weak_alias(strtouq, strtoull);
+#else
+u_quad_t
+strtouq(nptr, endptr, base)
+        const char *nptr;
+        char **endptr;
+        int base;
+{
+
+        return ((u_quad_t)strtoull(nptr, endptr, base);
+}
+#endif