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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-24 04:52:22 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-24 04:52:22 +0000
commit3d08cd331c1adcf0d917392f7e527b3f00511748 (patch)
tree312f0d1e1632f48862f044b8bb87e602dcffb5f9 /man3/asprintf.3
parentAdding debian version 6.7-2. (diff)
downloadmanpages-3d08cd331c1adcf0d917392f7e527b3f00511748.tar.xz
manpages-3d08cd331c1adcf0d917392f7e527b3f00511748.zip
Merging upstream version 6.8.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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-'\" t
-.\" Copyright (C) 2001 Andries Brouwer <aeb@cwi.nl>
-.\"
-.\" SPDX-License-Identifier: Linux-man-pages-copyleft
-.\"
-.\" Text fragments inspired by Martin Schulze <joey@infodrom.org>.
-.\"
-.TH asprintf 3 2023-10-31 "Linux man-pages 6.7"
-.SH NAME
-asprintf, vasprintf \- print to allocated string
-.SH LIBRARY
-Standard C library
-.RI ( libc ", " \-lc )
-.SH SYNOPSIS
-.nf
-.BR "#define _GNU_SOURCE" " /* See feature_test_macros(7) */"
-.B #include <stdio.h>
-.P
-.BI "int asprintf(char **restrict " strp ", const char *restrict " fmt ", ...);"
-.BI "int vasprintf(char **restrict " strp ", const char *restrict " fmt ,
-.BI " va_list " ap );
-.fi
-.SH DESCRIPTION
-The functions
-.BR asprintf ()
-and
-.BR vasprintf ()
-are analogs of
-.BR sprintf (3)
-and
-.BR vsprintf (3),
-except that they allocate a string large enough to hold the output
-including the terminating null byte (\[aq]\e0\[aq]),
-and return a pointer to it via the first argument.
-This pointer should be passed to
-.BR free (3)
-to release the allocated storage when it is no longer needed.
-.SH RETURN VALUE
-When successful, these functions return the number of bytes printed,
-just like
-.BR sprintf (3).
-If memory allocation wasn't possible, or some other error occurs,
-these functions will return \-1, and the contents of
-.I strp
-are undefined.
-.SH ATTRIBUTES
-For an explanation of the terms used in this section, see
-.BR attributes (7).
-.TS
-allbox;
-lbx lb lb
-l l l.
-Interface Attribute Value
-T{
-.na
-.nh
-.BR asprintf (),
-.BR vasprintf ()
-T} Thread safety MT-Safe locale
-.TE
-.SH VERSIONS
-The FreeBSD implementation sets
-.I strp
-to NULL on error.
-.SH STANDARDS
-GNU, BSD.
-.SH SEE ALSO
-.BR free (3),
-.BR malloc (3),
-.BR printf (3)