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usr / src / contrib / ntp / lib / isc / unix /

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📄 app.c(23.27 KB)
📄 dir.c(5.15 KB)
📄 entropy.c(13.9 KB)
📄 errno2result.c(3.03 KB)
📄 errno2result.h(1.32 KB)
📄 file.c(13.29 KB)
📄 fsaccess.c(2.36 KB)
📄 ifiter_getifaddrs.c(7.21 KB)
📄 ifiter_ioctl.c(27.1 KB)
📄 ifiter_sysctl.c(8.28 KB)
📁 include
📄 interfaceiter.c(8.24 KB)
📄 ipv6.c(1.06 KB)
📄 keyboard.c(2.99 KB)
📄 net.c(12.11 KB)
📄 os.c(2.13 KB)
📄 resource.c(6.01 KB)
📄 socket.c(155.23 KB)
📄 socket_p.h(1.28 KB)
📄 stdio.c(2.74 KB)
📄 stdtime.c(2.09 KB)
📄 strerror.c(2.07 KB)
📄 syslog.c(2.13 KB)
📄 time.c(10.52 KB)

Editing: strerror.c

/*
 * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
 * Copyright (C) 2001  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: strerror.c,v 1.10 2009/02/16 23:48:04 tbox Exp $ */

/*! \file */

#include <config.h>

#include <stdio.h>
#include <string.h>

#include <isc/mutex.h>
#include <isc/once.h>
#include <isc/print.h>
#include <isc/strerror.h>
#include <isc/util.h>

#include "l_stdlib.h"		/* NTP local change */

#ifdef HAVE_STRERROR
/*%
 * We need to do this this way for profiled locks.
 */
static isc_mutex_t isc_strerror_lock;
static void init_lock(void) {
	RUNTIME_CHECK(isc_mutex_init(&isc_strerror_lock) == ISC_R_SUCCESS);
}
#else
extern const char * const sys_errlist[];
extern const int sys_nerr;
#endif

void
isc__strerror(int num, char *buf, size_t size) {
#ifdef HAVE_STRERROR
	char *msg;
	unsigned int unum = (unsigned int)num;
	static isc_once_t once = ISC_ONCE_INIT;

REQUIRE(buf != NULL);

RUNTIME_CHECK(isc_once_do(&once, init_lock) == ISC_R_SUCCESS);

LOCK(&isc_strerror_lock);
	msg = strerror(num);
	if (msg != NULL)
		snprintf(buf, size, "%s", msg);
	else
		snprintf(buf, size, "Unknown error: %u", unum);
	UNLOCK(&isc_strerror_lock);
#else
	unsigned int unum = (unsigned int)num;

REQUIRE(buf != NULL);

if (num >= 0 && num < sys_nerr)
		snprintf(buf, size, "%s", sys_errlist[num]);
	else
		snprintf(buf, size, "Unknown error: %u", unum);
#endif
}

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Editing: strerror.c

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