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Added missing vsnprintf() for BSD stdio.

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@5717 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2003-12-20 16:00:51 +00:00
parent bce0d4191a
commit e9a4e838e8
2 changed files with 56 additions and 0 deletions
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1
src/kernel/libroot/posix/stdio/Jamfile
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@ -40,6 +40,7 @@ KernelMergeObject posix_stdio.o :
<$(SOURCE_GRIST)>vfprintf.c
<$(SOURCE_GRIST)>vfscanf.c
<$(SOURCE_GRIST)>vscanf.c
<$(SOURCE_GRIST)>vsnprintf.c
<$(SOURCE_GRIST)>vsprintf.c
<$(SOURCE_GRIST)>wbuf.c
<$(SOURCE_GRIST)>wsetup.c

55
src/kernel/libroot/posix/stdio/vsnprintf.c Normal file
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@ -0,0 +1,55 @@
/* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Chris Torek.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <stdio.h>
int
vsnprintf(char *buffer, size_t bufferSize, const char *format, va_list ap)
{
int bytesWritten;
FILE file;
file._file = -1;
file._flags = __SWR | __SSTR;
file._bf._base = file._p = (unsigned char *)buffer;
file._bf._size = file._w = bufferSize;
bytesWritten = vfprintf(&file, format, ap);
*file._p = '\0';
return bytesWritten;
}