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/* vasprintf and asprintf with out-of-memory checking.
Copyright (C) 2002-2004, 2006-2020 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#ifndef _XVASPRINTF_H
#define _XVASPRINTF_H
/* Get va_list. */
#include <stdarg.h>
/* The __attribute__ feature is available in gcc versions 2.5 and later.
The __-protected variants of the attributes 'format' and 'printf' are
accepted by gcc versions 2.6.4 (effectively 2.7) and later.
We enable _GL_ATTRIBUTE_FORMAT only if these are supported too, because
gnulib and libintl do '#define printf __printf__' when they override
the 'printf' function. */
#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
# define _GL_ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
#else
# define _GL_ATTRIBUTE_FORMAT(spec) /* empty */
#endif
#ifdef __cplusplus
extern "C" {
#endif
/* Write formatted output to a string dynamically allocated with malloc(),
and return it. Upon [ENOMEM] memory allocation error, call xalloc_die.
On some other error
- [EOVERFLOW] resulting string length is > INT_MAX,
- [EINVAL] invalid format string,
- [EILSEQ] error during conversion between wide and multibyte characters,
return NULL. */
extern char *xasprintf (const char *format, ...)
_GL_ATTRIBUTE_FORMAT ((__printf__, 1, 2));
extern char *xvasprintf (const char *format, va_list args)
_GL_ATTRIBUTE_FORMAT ((__printf__, 1, 0));
#ifdef __cplusplus
}
#endif
#endif /* _XVASPRINTF_H */
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