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62 lines
2.2 KiB
C
62 lines
2.2 KiB
C
/* vsprintf with automatic memory allocation.
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Copyright (C) 2002-2003 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU Library General Public License as published
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by the Free Software Foundation; either version 2, or (at your option)
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any later version.
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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 GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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USA. */
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#ifndef _VASNPRINTF_H
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#define _VASNPRINTF_H
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/* Get va_list. */
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#include <stdarg.h>
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/* Get size_t. */
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#include <stddef.h>
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#ifndef __attribute__
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/* This feature is available in gcc versions 2.5 and later. */
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# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
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# define __attribute__(Spec) /* empty */
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# endif
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/* The __-protected variants of `format' and `printf' attributes
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are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */
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# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
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# define __format__ format
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# define __printf__ printf
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# endif
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Write formatted output to a string dynamically allocated with malloc().
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You can pass a preallocated buffer for the result in RESULTBUF and its
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size in *LENGTHP; otherwise you pass RESULTBUF = NULL.
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If successful, return the address of the string (this may be = RESULTBUF
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if no dynamic memory allocation was necessary) and set *LENGTHP to the
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number of resulting bytes, excluding the trailing NUL. Upon error, set
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errno and return NULL. */
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extern char * asnprintf (char *resultbuf, size_t *lengthp, const char *format, ...)
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__attribute__ ((__format__ (__printf__, 3, 4)));
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extern char * vasnprintf (char *resultbuf, size_t *lengthp, const char *format, va_list args)
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__attribute__ ((__format__ (__printf__, 3, 0)));
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#ifdef __cplusplus
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}
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#endif
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#endif /* _VASNPRINTF_H */
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