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| author | aaron <aaron@13f79535-47bb-0310-9956-ffa450edef68> | 2002-03-08 17:56:14 +0000 |
|---|---|---|
| committer | aaron <aaron@13f79535-47bb-0310-9956-ffa450edef68> | 2002-03-08 17:56:14 +0000 |
| commit | ebd287a6bcc24493077934f24be9ef937ef3b854 (patch) | |
| tree | fcebdb7d526e1355988323cf43ffc07dbc3071f7 /build | |
| parent | da2ae02c123cee30251dd05d05c4d342a833d843 (diff) | |
| download | libapr-ebd287a6bcc24493077934f24be9ef937ef3b854.tar.gz | |
Add a new m4 function, APR_PATH_RELATIVE, which takes a path variable and
a prefix path to strip, and will only strip if they are relative. It
also ensures that any additional /'s on the front of the stripped path
are removed.
Submitted by: Thom May <thom@planetarytramp.net>, Aaron Bannert
git-svn-id: http://svn.apache.org/repos/asf/apr/apr/trunk@63097 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'build')
| -rw-r--r-- | build/apr_common.m4 | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/build/apr_common.m4 b/build/apr_common.m4 index 5b42ce494..f6e32b7dc 100644 --- a/build/apr_common.m4 +++ b/build/apr_common.m4 @@ -580,3 +580,23 @@ done $1=$cur ]) +dnl +dnl Removes the value of $3 from the string in $2, strips of any leading +dnl slashes, and returns the value in $1. +dnl +dnl Example: +dnl orig_path="${prefix}/bar" +dnl APR_PATH_RELATIVE(final_path, $orig_path, $prefix) +dnl $final_path now contains "bar" +AC_DEFUN(APR_PATH_RELATIVE,[ +stripped=`echo $2 | sed -e "s#^$3##"` +# check if the stripping was successful +if test "x$2" != "x$stripped"; then + # it was, so strip of any leading slashes + $1=`echo $stripped | sed -e 's#^/*##'` +else + # it wasn't so return the original + $1=$2 +fi +]) + |