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* duff - Duplicate file finder
* Copyright (c) 2005 Camilla Berglund <>
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any
* damages arising from the use of this software.
* Permission is granted to anyone to use this software for any
* purpose, including commercial applications, and to alter it and
* redistribute it freely, subject to the following restrictions:
* 1. The origin of this software must not be misrepresented; you
* must not claim that you wrote the original software. If you use
* this software in a product, an acknowledgment in the product
* documentation would be appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and
* must not be misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source
* distribution.
#include "config.h"
#include <stdarg.h>
#include <string.h>
int vasprintf(char** result, const char* format, va_list vl)
char buffer[8192];
if (vsnprintf(buffer, sizeof(buffer), format, vl) < 0)
buffer[sizeof(buffer) - 1] = '\0';
size_t length = strlen(buffer);
*result = (char*) malloc(length + 1);
strcpy(*result, buffer);
return length;
int asprintf(char** result, const char* format, ...)
va_list vl;
int length;
va_start(vl, format);
length = vasprintf(result, format, vl);
return length;
#endif /*HAVE_ASPRINTF*/
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