ISC BIND version 9.3.0. ok deraadt@

1 files changed, 70 insertions, 0 deletions

diff --git a/usr.sbin/bind/lib/isc/parseint.c b/usr.sbin/bind/lib/isc/parseint.c
new file mode 100644
index 00000000000..58d64a2c946
--- /dev/null
+++ b/usr.sbin/bind/lib/isc/parseint.c
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2004  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2001-2003  Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $ISC: parseint.c,v 1.3.26.5 2004/03/08 09:04:49 marka Exp $ */
+
+#include <config.h>
+
+#include <ctype.h>
+#include <errno.h>
+#include <limits.h>
+
+#include <isc/parseint.h>
+#include <isc/result.h>
+#include <isc/stdlib.h>
+
+isc_result_t
+isc_parse_uint32(isc_uint32_t *uip, const char *string, int base) {
+	unsigned long n;
+	char *e;
+	if (! isalnum((unsigned char)(string[0])))
+		return (ISC_R_BADNUMBER);
+	errno = 0;
+	n = strtoul(string, &e, base);
+	if (*e != '\0')
+		return (ISC_R_BADNUMBER);
+	if (n == ULONG_MAX && errno == ERANGE)
+		return (ISC_R_RANGE);
+	*uip = n;
+	return (ISC_R_SUCCESS);
+}
+
+isc_result_t
+isc_parse_uint16(isc_uint16_t *uip, const char *string, int base) {
+	isc_uint32_t val;
+	isc_result_t result;
+	result = isc_parse_uint32(&val, string, base);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+	if (val > 0xFFFF)
+		return (ISC_R_RANGE);
+	*uip = (isc_uint16_t) val;
+	return (ISC_R_SUCCESS);
+}
+
+isc_result_t
+isc_parse_uint8(isc_uint8_t *uip, const char *string, int base) {
+	isc_uint32_t val;
+	isc_result_t result;
+	result = isc_parse_uint32(&val, string, base);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+	if (val > 0xFF)
+		return (ISC_R_RANGE);
+	*uip = (isc_uint8_t) val;
+	return (ISC_R_SUCCESS);
+}