2 @section @code{realpath}
5 POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/realpath.html}
7 Gnulib module: canonicalize-lgpl
9 Portability problems fixed by Gnulib:
12 This function is missing on some platforms:
15 This function does not allow for a NULL @samp{resolved} parameter on
17 Mac OS X 10.13, FreeBSD 6.4, OpenBSD 4.4, Solaris 10.
19 This function does not always return an absolute path on some
23 This function fails to detect trailing slashes on non-directories on
27 This function fails to recognize non-directories followed @samp{..} on
31 This function misbehaves on consecutive slashes on some platforms:
35 Portability problems not fixed by Gnulib:
38 This function does not allow to determine the required size of output buffer;
39 the use of a non-NULL @samp{resolved} buffer is non-portable, since
40 PATH_MAX, if it is defined, is nothing more than a guess.