159 lines
6.1 KiB
C
159 lines
6.1 KiB
C
/*-
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* DBSQL - A SQL database engine.
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*
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* Copyright (C) 2007 The DBSQL Group, Inc. - All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* There are special exceptions to the terms and conditions of the GPL as it
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* is applied to this software. View the full text of the exception in file
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* LICENSE_EXCEPTIONS in the directory of this software distribution.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* http://creativecommons.org/licenses/GPL/2.0/
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*/
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/*
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* Copyright (c) 1990-2004
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* Sleepycat Software. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Redistributions in any form must be accompanied by information on
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* how to obtain complete source code for the DB software and any
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* accompanying software that uses the DB software. The source code
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* must either be included in the distribution or be available for no
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* more than the cost of distribution plus a nominal fee, and must be
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* freely redistributable under reasonable conditions. For an
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* executable file, complete source code means the source code for all
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* modules it contains. It does not include source code for modules or
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* files that typically accompany the major components of the operating
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* system on which the executable file runs.
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*
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* THIS SOFTWARE IS PROVIDED BY ORACLE CORPORATION ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
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* NON-INFRINGEMENT, ARE DISCLAIMED. IN NO EVENT SHALL ORACLE CORPORATION
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1990, 1993, 1994, 1995
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*The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1995, 1996
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*The President and Fellows of Harvard University. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions
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*/
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#include "dbsql_config.h"
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#ifndef NO_SYSTEM_INCLUDES
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#include <sys/types.h>
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#include <stdio.h>
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#endif
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#include "dbsql_int.h"
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/*
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* snprintf --
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* Bounded version of sprintf.
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*
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* PUBLIC: #ifndef HAVE_SNPRINTF
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* PUBLIC: int snprintf __P((char *, size_t, const char *, ...));
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* PUBLIC: #endif
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*/
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#ifndef HAVE_SNPRINTF
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int
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#ifdef STDC_HEADERS
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snprintf(char *str, size_t n, const char *fmt, ...)
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#else
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snprintf(str, n, fmt, va_alist)
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char *str;
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size_t n;
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const char *fmt;
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va_dcl
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#endif
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{
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static int ret_charpnt = -1;
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va_list ap;
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int len;
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COMPQUIET(n, 0);
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/*
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* Some old versions of sprintf return a pointer to the first argument
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* instead of a character count. Assume the return value of snprintf,
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* vsprintf, etc. will be the same as sprintf, and check the easy one.
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*
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* We do this test at run-time because it's not a test we can do in a
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* cross-compilation environment.
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*/
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if (ret_charpnt == -1) {
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char buf[10];
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ret_charpnt =
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(int)sprintf(buf, "123") != 3 ||
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(int)sprintf(buf, "123456789") != 9 ||
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(int)sprintf(buf, "1234") != 4;
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}
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#ifdef STDC_HEADERS
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va_start(ap, fmt);
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#else
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va_start(ap);
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#endif
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len = vsprintf(str, fmt, ap);
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va_end(ap);
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return (ret_charpnt ? (int)strlen(str) : len);
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}
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#endif
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