56 lines
2.1 KiB
C
56 lines
2.1 KiB
C
/* vasprintf and asprintf with out-of-memory checking.
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Copyright (C) 2002-2004, 2006-2020 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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#ifndef _XVASPRINTF_H
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#define _XVASPRINTF_H
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/* Get va_list. */
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#include <stdarg.h>
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/* The __attribute__ feature is available in gcc versions 2.5 and later.
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The __-protected variants of the attributes 'format' and 'printf' are
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accepted by gcc versions 2.6.4 (effectively 2.7) and later.
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We enable _GL_ATTRIBUTE_FORMAT only if these are supported too, because
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gnulib and libintl do '#define printf __printf__' when they override
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the 'printf' function. */
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#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
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# define _GL_ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
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#else
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# define _GL_ATTRIBUTE_FORMAT(spec) /* empty */
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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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and return it. Upon [ENOMEM] memory allocation error, call xalloc_die.
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On some other error
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- [EOVERFLOW] resulting string length is > INT_MAX,
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- [EINVAL] invalid format string,
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- [EILSEQ] error during conversion between wide and multibyte characters,
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return NULL. */
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extern char *xasprintf (const char *format, ...)
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_GL_ATTRIBUTE_FORMAT ((__printf__, 1, 2));
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extern char *xvasprintf (const char *format, va_list args)
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_GL_ATTRIBUTE_FORMAT ((__printf__, 1, 0));
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#ifdef __cplusplus
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}
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#endif
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#endif /* _XVASPRINTF_H */
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