configure: make sh_quote() more robust

Originally committed as revision 24376 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-20 22:02:16 +00:00 · 2010-07-20 22:02:16 +00:00 · f29be470b3
parent fd7242ddbd
commit f29be470b3
1 changed files with 1 additions and 1 deletions
--- a/2
+++ b/2
@ -304,7 +304,7 @@ c_escape(){

 sh_quote(){
    v=$(echo "$1" | sed "s/'/'\\\\''/g")
-    test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
+    test "x$v" = "x${v#*[^A-Za-z0-9_/.+-]}" || v="'$v'"
    echo "$v"
 }