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-rw-r--r--contrib/ntp/lib/isc/parseint.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/contrib/ntp/lib/isc/parseint.c b/contrib/ntp/lib/isc/parseint.c
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+++ b/contrib/ntp/lib/isc/parseint.c
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+/*
+ * Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2001-2003 Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and/or 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.
+ */
+
+/* $Id: parseint.c,v 1.8 2007/06/19 23:47:17 tbox Exp $ */
+
+/*! \file */
+
+#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);
+}
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