TH CLEANNAME 2
SH NAME
cleanname \- clean a path name
SH SYNOPSIS
B #include <u.h>
br
B #include <libc.h>
sp
B
char*   cleanname(char *filename)
SH DESCRIPTION
I Cleanname
takes a
I filename
and by lexical processing only returns the shortest string that names the same (possibly
hypothetical) file.
It eliminates multiple and trailing slashes, and it lexically interprets
B .
and
B ..
directory components in the name.
The string is overwritten in place.
PP
The shortest string
I cleanname
can return is two bytes: the null-terminated string
\f(CW"."\f1.
Therefore
I filename
must contain room for at least two bytes.
SH SOURCE
B /sys/src/libc/port/cleanname.c
SH SEE ALSO
IR cleanname (1)

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