From c9addba5cc770d2d231b34f6739f32c6be8690f1 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 15 Apr 2024 21:37:10 +0200 Subject: Adding upstream version 2.12.0. Signed-off-by: Daniel Baumann --- gl/lib/vasnprintf.h | 77 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 77 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..2d13407 --- /dev/null +++ b/gl/lib/vasnprintf.h @@ -0,0 +1,77 @@ +/* vsprintf with automatic memory allocation. + Copyright (C) 2002-2004, 2007-2023 Free Software Foundation, Inc. + + This file is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + This file 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 Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see . */ + +#ifndef _VASNPRINTF_H +#define _VASNPRINTF_H + +/* This file uses _GL_ATTRIBUTE_FORMAT. */ +#if !_GL_CONFIG_H_INCLUDED + #error "Please include config.h first." +#endif + +/* Get va_list. */ +#include + +/* Get size_t. */ +#include + +/* Get _GL_ATTRIBUTE_SPEC_PRINTF_STANDARD. */ +#include + +#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 *restrict resultbuf, size_t *lengthp, + const char *format, ...) + _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_STANDARD, 3, 4)); +extern char * vasnprintf (char *restrict resultbuf, size_t *lengthp, + const char *format, va_list args) + _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_STANDARD, 3, 0)); + +#ifdef __cplusplus +} +#endif + +#endif /* _VASNPRINTF_H */ -- cgit v1.2.3