From 9221dca64f0c8b5de72727491e41cf63e902eaab Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:16:24 +0200 Subject: Adding upstream version 2.8.5. Signed-off-by: Daniel Baumann --- gl/lib/vasnprintf.h | 79 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 gl/lib/vasnprintf.h (limited to 'gl/lib/vasnprintf.h') diff --git a/gl/lib/vasnprintf.h b/gl/lib/vasnprintf.h new file mode 100644 index 0000000..5b192b2 --- /dev/null +++ b/gl/lib/vasnprintf.h @@ -0,0 +1,79 @@ +/* vsprintf with automatic memory allocation. + Copyright (C) 2002-2004, 2007-2019 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, 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 . */ + +#ifndef _VASNPRINTF_H +#define _VASNPRINTF_H + +/* Get va_list. */ +#include + +/* Get size_t. */ +#include + +/* 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(). + You can pass a preallocated buffer for the result in RESULTBUF and its + size in *LENGTHP; otherwise you pass RESULTBUF = NULL. + If successful, return the address of the string (this may be = RESULTBUF + if no dynamic memory allocation was necessary) and set *LENGTHP to the + number of resulting bytes, excluding the trailing NUL. Upon error, set + errno and return NULL. + + When dynamic memory allocation occurs, the preallocated buffer is left + alone (with possibly modified contents). This makes it possible to use + a statically allocated or stack-allocated buffer, like this: + + char buf[100]; + size_t len = sizeof (buf); + char *output = vasnprintf (buf, &len, format, args); + if (output == NULL) + ... error handling ...; + else + { + ... use the output string ...; + if (output != buf) + free (output); + } + */ +#if REPLACE_VASNPRINTF +# define asnprintf rpl_asnprintf +# define vasnprintf rpl_vasnprintf +#endif +extern char * asnprintf (char *resultbuf, size_t *lengthp, const char *format, ...) + _GL_ATTRIBUTE_FORMAT ((__printf__, 3, 4)); +extern char * vasnprintf (char *resultbuf, size_t *lengthp, const char *format, va_list args) + _GL_ATTRIBUTE_FORMAT ((__printf__, 3, 0)); + +#ifdef __cplusplus +} +#endif + +#endif /* _VASNPRINTF_H */ -- cgit v1.2.3