1 files changed, 136 insertions, 0 deletions
diff --git a/usr/src/common/util/strtoull.c b/usr/src/common/util/strtoull.c
new file mode 100644
index 0000000000..ca7713d524
--- /dev/null
+++ b/usr/src/common/util/strtoull.c
@@ -0,0 +1,136 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/*	Copyright (c) 1988 AT&T	*/
+/*	  All Rights Reserved  	*/
+
+#if	defined(_KERNEL) && !defined(_BOOT)
+#include <sys/errno.h>
+#else	/* _KERNEL && !_BOOT */
+#if	!defined(_BOOT) && !defined(_KMDB)
+#include "lint.h"
+#endif	/* !_BOOT && !_KMDB */
+#include <errno.h>
+#include <ctype.h>
+#include <limits.h>
+#include <stdlib.h>
+#endif	/* _KERNEL && !_BOOT */
+#include "strtolctype.h"
+#include <sys/types.h>
+
+#if	defined(_KERNEL) && !defined(_BOOT)
+int
+ddi_strtoull(const char *str, char **nptr, int base, u_longlong_t *result)
+#else	/* _KERNEL && !_BOOT */
+u_longlong_t
+strtoull(const char *str, char **nptr, int base)
+#endif	/* _KERNEL && !_BOOT */
+{
+	u_longlong_t val;
+	int c;
+	int xx;
+	int neg = 0;
+	u_longlong_t multmax;
+	const char **ptr = (const char **)nptr;
+	const unsigned char *ustr = (const unsigned char *)str;
+
+	if (ptr != (const char **)0)
+		*ptr = (char *)ustr; /* in case no number is formed */
+	if (base < 0 || base > MBASE || base == 1) {
+		/* base is invalid -- should be a fatal error */
+#if	defined(_KERNEL) && !defined(_BOOT)
+		return (EINVAL);
+#else	/* _KERNEL && !_BOOT */
+		errno = EINVAL;
+		return (0);
+#endif	/* _KERNEL && !_BOOT */
+	}
+	if (!isalnum(c = *ustr)) {
+		while (isspace(c))
+			c = *++ustr;
+		switch (c) {
+		case '-':
+			neg++;
+			/* FALLTHROUGH */
+		case '+':
+			c = *++ustr;
+		}
+	}
+	if (base == 0)
+		if (c != '0')
+			base = 10;
+		else if (ustr[1] == 'x' || ustr[1] == 'X')
+			base = 16;
+		else
+			base = 8;
+	/*
+	 * for any base > 10, the digits incrementally following
+	 *	9 are assumed to be "abc...z" or "ABC...Z"
+	 */
+	if (!lisalnum(c) || (xx = DIGIT(c)) >= base) {
+		/* no number formed */
+#if	defined(_KERNEL) && !defined(_BOOT)
+		return (EINVAL);
+#else	/* _KERNEL && !_BOOT */
+		return (0);
+#endif	/* _KERNEL && !_BOOT */
+	}
+	if (base == 16 && c == '0' && (ustr[1] == 'x' || ustr[1] == 'X') &&
+	    isxdigit(ustr[2]))
+		c = *(ustr += 2); /* skip over leading "0x" or "0X" */
+
+	multmax = ULLONG_MAX / (u_longlong_t)base;
+	val = DIGIT(c);
+	for (c = *++ustr; lisalnum(c) && (xx = DIGIT(c)) < base; ) {
+		if (val > multmax)
+			goto overflow;
+		val *= base;
+		if (ULLONG_MAX - val < xx)
+			goto overflow;
+		val += xx;
+		c = *++ustr;
+	}
+	if (ptr != (const char **)0)
+		*ptr = (char *)ustr;
+#if	defined(_KERNEL) && !defined(_BOOT)
+	*result = neg ? -val : val;
+	return (0);
+#else	/* _KERNEL && !_BOOT */
+	return (neg ? -val : val);
+#endif	/* _KERNEL && !_BOOT */
+
+overflow:
+	for (c = *++ustr; lisalnum(c) && (xx = DIGIT(c)) < base; (c = *++ustr))
+		;
+	if (ptr != (const char **)0)
+		*ptr = (char *)ustr;
+#if	defined(_KERNEL) && !defined(_BOOT)
+	return (ERANGE);
+#else	/* _KERNEL && !_BOOT */
+	errno = ERANGE;
+	return (ULLONG_MAX);
+#endif	/* _KERNEL && !_BOOT */
+}