Section: Linux Programmer's Manual (3)
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canonicalize_file_name - return the canonicalized absolute pathname
#define _GNU_SOURCE /* See feature_test_macros(7) */
char *canonicalize_file_name(const char *path);
function returns a null-terminated string containing
the canonicalized absolute pathname corresponding to
In the returned string, symbolic links are resolved, as are
characters are replaced by a single slash.
The returned string is dynamically allocated by
and the caller should deallocate it with
when it is no longer required.
is equivalent to the call:
returns a null-terminated string.
On error (e.g., a pathname component is unreadable or does not exist),
returns NULL and sets
to indicate the error.
For an explanation of the terms used in this section, see
This function is a GNU extension.
This page is part of release 4.15 of the Linux
A description of the project,
information about reporting bugs,
and the latest version of this page,
can be found at
- RETURN VALUE
- CONFORMING TO
- SEE ALSO
This document was created by
using the manual pages.
Time: 00:28:24 GMT, September 21, 2018