From 3d08cd331c1adcf0d917392f7e527b3f00511748 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 24 May 2024 06:52:22 +0200 Subject: Merging upstream version 6.8. Signed-off-by: Daniel Baumann --- man/man3/canonicalize_file_name.3 | 80 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 man/man3/canonicalize_file_name.3 (limited to 'man/man3/canonicalize_file_name.3') diff --git a/man/man3/canonicalize_file_name.3 b/man/man3/canonicalize_file_name.3 new file mode 100644 index 0000000..a421057 --- /dev/null +++ b/man/man3/canonicalize_file_name.3 @@ -0,0 +1,80 @@ +'\" t +.\" Copyright 2013 Michael Kerrisk +.\" (Replaces an earlier page by Walter Harms and Michael Kerrisk) +.\" +.\" SPDX-License-Identifier: Linux-man-pages-copyleft +.\" +.TH canonicalize_file_name 3 2024-05-02 "Linux man-pages (unreleased)" +.SH NAME +canonicalize_file_name \- return the canonicalized absolute pathname +.SH LIBRARY +Standard C library +.RI ( libc ", " \-lc ) +.SH SYNOPSIS +.nf +.BR "#define _GNU_SOURCE" " /* See feature_test_macros(7) */" +.B #include +.P +.BI "char *canonicalize_file_name(const char *" path ");" +.fi +.SH DESCRIPTION +The +.BR canonicalize_file_name () +function returns a null-terminated string containing +the canonicalized absolute pathname corresponding to +.IR path . +In the returned string, symbolic links are resolved, as are +.I . +and +.I .. +pathname components. +Consecutive slash +.RI ( / ) +characters are replaced by a single slash. +.P +The returned string is dynamically allocated by +.BR canonicalize_file_name () +and the caller should deallocate it with +.BR free (3) +when it is no longer required. +.P +The call +.I canonicalize_file_name(path) +is equivalent to the call: +.P +.in +4n +.EX +realpath(path, NULL); +.EE +.in +.SH RETURN VALUE +On success, +.BR canonicalize_file_name () +returns a null-terminated string. +On error (e.g., a pathname component is unreadable or does not exist), +.BR canonicalize_file_name () +returns NULL and sets +.I errno +to indicate the error. +.SH ERRORS +See +.BR realpath (3). +.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 canonicalize_file_name () +T} Thread safety MT-Safe +.TE +.SH STANDARDS +GNU. +.SH SEE ALSO +.BR readlink (2), +.BR realpath (3) -- cgit v1.2.3