72 lines
1.8 KiB
C++
72 lines
1.8 KiB
C++
/*
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* Copyright 2003-2016 The Music Player Daemon Project
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* http://www.musicpd.org
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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
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* (at 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,
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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
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* GNU 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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "FormatString.hxx"
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#include <stdio.h>
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#include <stdlib.h>
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#ifdef WIN32
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#include <string.h>
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#endif
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char *
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FormatNewV(const char *fmt, va_list args)
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{
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#ifndef WIN32
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va_list tmp;
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va_copy(tmp, args);
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const int length = vsnprintf(NULL, 0, fmt, tmp);
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va_end(tmp);
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if (length <= 0)
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/* wtf.. */
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abort();
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char *buffer = new char[length + 1];
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vsnprintf(buffer, length + 1, fmt, args);
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return buffer;
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#else
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/* On mingw32, snprintf() expects a 64 bit integer instead of
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a "long int" for "%li". This is not consistent with our
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expectation, so we're using plain sprintf() here, hoping
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the static buffer is large enough. Sorry for this hack,
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but WIN32 development is so painful, I'm not in the mood to
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do it properly now. */
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char buffer[16384];
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vsprintf(buffer, fmt, args);
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const size_t length = strlen(buffer);
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char *p = new char[length + 1];
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memcpy(p, buffer, length + 1);
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return p;
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#endif
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}
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char *
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FormatNew(const char *fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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char *p = FormatNewV(fmt, args);
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va_end(args);
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return p;
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}
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