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91 lines
4.2 KiB
C
91 lines
4.2 KiB
C
/*****************************************************************************/
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/* */
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/* xsprintf.h */
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/* */
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/* Replacement sprintf function */
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/* */
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/* */
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/* */
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/* (C) 2000-2008 Ullrich von Bassewitz */
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/* Roemerstrasse 52 */
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/* D-70794 Filderstadt */
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/* EMail: uz@cc65.org */
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/* */
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/* */
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/* This software is provided 'as-is', without any expressed or implied */
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/* warranty. In no event will the authors be held liable for any damages */
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/* arising from the use of this software. */
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/* */
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/* Permission is granted to anyone to use this software for any purpose, */
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/* including commercial applications, and to alter it and redistribute it */
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/* freely, subject to the following restrictions: */
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/* */
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/* 1. The origin of this software must not be misrepresented; you must not */
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/* claim that you wrote the original software. If you use this software */
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/* in a product, an acknowledgment in the product documentation would be */
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/* appreciated but is not required. */
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/* 2. Altered source versions must be plainly marked as such, and must not */
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/* be misrepresented as being the original software. */
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/* 3. This notice may not be removed or altered from any source */
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/* distribution. */
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/* */
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/*****************************************************************************/
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/* We need a way to output a StrBuf, but on the other side, we don't want to
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** switch off gcc's printf format string checking. So we cheat as follows:
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** %m (which is a gcc extension and doesn't take an argument) switches %p
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** between outputting a pointer and a string buf. This works just one time,
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** so each StrBuf needs in fact a %m%p spec. There's no way to apply a width
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** and precision to such a StrBuf, but *not* using %p would bring up a warning
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** about a wrong argument type each time. Maybe gcc will one day allow custom
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** format specifiers and we can change this ...
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*/
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#ifndef XSPRINTF_H
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#define XSPRINTF_H
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#include <stdlib.h>
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#include <stdarg.h>
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#include "attrib.h"
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/*****************************************************************************/
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/* Code */
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/*****************************************************************************/
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int xvsnprintf (char* Buf, size_t Size, const char* Format, va_list ap)
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attribute ((format (printf, 3, 0)));
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/* A basic vsnprintf implementation. Does currently only support integer
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** formats.
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*/
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int xsnprintf (char* Buf, size_t Size, const char* Format, ...)
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attribute ((format (printf, 3, 4)));
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/* A basic snprintf implementation. Does currently only support integer
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** formats.
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*/
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int xsprintf (char* Buf, size_t BufSize, const char* Format, ...)
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attribute ((format (printf, 3, 4)));
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/* Replacement function for sprintf. Will FAIL on errors. */
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int xvsprintf (char* Buf, size_t BufSize, const char* Format, va_list ap)
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attribute ((format (printf, 3, 0)));
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/* Replacement function for sprintf. Will FAIL on errors. */
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/* End of xsprintf.h */
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#endif
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