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/*
* Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef XPRINTF_H
#define XPRINTF_H
#include <stdio.h>
#include <stdarg.h>
#include <X11/Xfuncproto.h>
#ifndef _X_RESTRICT_KYWD
#if defined(restrict) /* assume autoconf set it correctly */ || \
(defined(__STDC__) && (__STDC_VERSION__ - 0 >= 199901L)) /* C99 */
#define _X_RESTRICT_KYWD restrict
#elif defined(__GNUC__) && !defined(__STRICT_ANSI__) /* gcc w/C89+extensions */
#define _X_RESTRICT_KYWD __restrict__
#else
#define _X_RESTRICT_KYWD
#endif
#endif
/*
* These functions provide a portable implementation of the common (but not
* yet universal) asprintf & vasprintf routines to allocate a buffer big
* enough to sprintf the arguments to. The XNF variants terminate the server
* if the allocation fails.
* The buffer allocated is returned in the pointer provided in the first
* argument. The return value is the size of the allocated buffer, or -1
* on failure.
*/
extern _X_EXPORT int
Xasprintf(char **ret, const char *_X_RESTRICT_KYWD fmt, ...)
_X_ATTRIBUTE_PRINTF(2, 3);
extern _X_EXPORT int
Xvasprintf(char **ret, const char *_X_RESTRICT_KYWD fmt, va_list va)
_X_ATTRIBUTE_PRINTF(2, 0);
extern _X_EXPORT int
XNFasprintf(char **ret, const char *_X_RESTRICT_KYWD fmt, ...)
_X_ATTRIBUTE_PRINTF(2, 3);
extern _X_EXPORT int
XNFvasprintf(char **ret, const char *_X_RESTRICT_KYWD fmt, va_list va)
_X_ATTRIBUTE_PRINTF(2, 0);
#if !defined(HAVE_ASPRINTF) && !defined(HAVE_VASPRINTF)
#define asprintf Xasprintf
#define vasprintf Xvasprintf
#endif
/*
* These functions provide a portable implementation of the linux kernel
* scnprintf & vscnprintf routines that return the number of bytes actually
* copied during a snprintf, (excluding the final '\0').
*/
extern _X_EXPORT int
Xscnprintf(char *s, int n, const char * _X_RESTRICT_KYWD fmt, ...)
_X_ATTRIBUTE_PRINTF(3,4);
extern _X_EXPORT int
Xvscnprintf(char *s, int n, const char * _X_RESTRICT_KYWD fmt, va_list va)
_X_ATTRIBUTE_PRINTF(3,0);
#endif /* XPRINTF_H */
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