mirror of https://gitlab.com/rnger/amath
58 lines
1.4 KiB
C
58 lines
1.4 KiB
C
/*
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* $Id$
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*
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* Copyright (C) 1993-1999 by Jochen Wiedmann and Marcin Orlowski
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* Copyright (C) 2002-2015 FlexCat Open Source Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* 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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#ifndef VA_COPY
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#if defined(__MORPHOS__)
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#define VA_COPY(dest, src) __va_copy(dest, src)
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#elif defined(__AROS__)
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#define VA_COPY(dest, src) va_copy(dest, src)
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#else
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#define VA_COPY(dest, src) (dest) = (src)
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#endif
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#endif
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int vasprintf(char **ptr, const char * format, va_list ap)
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{
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int ret;
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va_list ap2;
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*ptr = NULL;
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VA_COPY(ap2, ap);
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ret = vsnprintf(NULL, 0, format, ap2);
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if(ret <= 0)
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return ret;
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*ptr = (char *)malloc(ret+1);
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if(*ptr == NULL)
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return -1;
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VA_COPY(ap2, ap);
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ret = vsnprintf(*ptr, ret+1, format, ap2);
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return ret;
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}
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