68 lines
2.4 KiB
C
68 lines
2.4 KiB
C
/*
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* Copyright (c) 2007, The xFTPd Project.
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* 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 are met:
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*
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* * 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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*
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* * 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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*
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* * Neither the name of the xFTPd Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* * Redistributions of this project or parts of this project in any form
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* must retain the following aknowledgment:
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* "This product includes software developed by the xFTPd Project.
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* http://www.xftpd.com/ - http://www.xftpd.org/"
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*
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* THIS SOFTWARE IS PROVIDED BY THE xFTPd PROJECT ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE xFTPd PROJECT BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* MinGW lacks asprintf */
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#include <stdio.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <string.h>
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int vasprintf(char **strp, const char *fmt, va_list ap)
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{
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FILE *dev_null;
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int arg_len;
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dev_null = fopen("nul", "w");
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arg_len = vfprintf(dev_null, fmt, ap);
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if(arg_len != -1) {
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*strp = (char *)malloc((size_t)arg_len + 1);
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arg_len = vsprintf(*strp, fmt, ap);
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} else *strp = NULL;
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fclose(dev_null);
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return arg_len;
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}
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int asprintf(char **strp, const char *fmt, ...)
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{
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int result;
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va_list args;
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va_start(args, fmt);
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result = vasprintf(strp, fmt, args);
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va_end(args);
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return result;
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}
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