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| author | Alejandro Colomar <alx@kernel.org> | 2024-04-26 15:06:49 +0200 |
|---|---|---|
| committer | Alejandro Colomar <alx@kernel.org> | 2024-05-02 01:24:19 +0200 |
| commit | dcde2f70372b49ec43efc5db864c9ff585d0a2dd (patch) | |
| tree | 78b9b7425130e4a5858e4c01a524d802423879ed /man/man3/asprintf.3 | |
| parent | 12aca537ce78a41bbcdaf485209691e10f8002d7 (diff) | |
| download | man-pages-dcde2f70372b49ec43efc5db864c9ff585d0a2dd.tar.gz | |
man/, share/mk/: Move man*/ to man/
This is a scripted change:
$ mkdir man/;
$ mv man* man/;
$ ln -st . man/man*;
$ find share/mk/ -type f \
| xargs grep -l '^MANDIR *:=' \
| xargs sed -i '/^MANDIR *:=/s,$,/man,';
$ find share/mk/dist/ -type f \
| xargs grep -l man \
| xargs sed -i 's,man%,man/%,g';
Link: <https://lore.kernel.org/linux-man/YxcV4h+Xn7cd6+q2@pevik/T/>
Cc: Petr Vorel <pvorel@suse.cz>
Cc: Jakub Wilk <jwilk@jwilk.net>
Cc: Stefan Puiu <stefan.puiu@gmail.com>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
Diffstat (limited to 'man/man3/asprintf.3')
| -rw-r--r-- | man/man3/asprintf.3 | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/man/man3/asprintf.3 b/man/man3/asprintf.3 new file mode 100644 index 0000000000..bd5fcf7faa --- /dev/null +++ b/man/man3/asprintf.3 @@ -0,0 +1,70 @@ +'\" 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 (date) "Linux man-pages (unreleased)" +.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) |