[hackers] [sbase] tr(1): Properly handle the -dc case for character classes || Laslo Hunhold

[git]

commit c154ef7a0399b9ca0bbea96a044841657d743ea0
Author:     Laslo Hunhold <d...@frign.de>
AuthorDate: Thu Oct 6 00:15:56 2016 +0200
Commit:     Laslo Hunhold <d...@frign.de>
CommitDate: Thu Oct 6 00:16:30 2016 +0200

    tr(1): Properly handle the -dc case for character classes
    
    I actually did that properly in the set-case but forgot to add the same
    logic to the character classes. Now it should work fine.

diff --git a/tr.c b/tr.c
index 29c9445..3aef53e 100644
--- a/tr.c
+++ b/tr.c
@@ -248,8 +248,12 @@ read:
                }
        }
        if (set1check && set1check(r)) {
-               if (dflag && !cflag)
-                       goto read;
+               if (dflag) {
+                       if (cflag)
+                               goto write;
+                       else
+                               goto read;
+               }
                if (set2check) {
                        if (set2check == islowerrune)
                                r = tolowerrune(r);
@@ -258,6 +262,7 @@ read:
                } else {
                        r = set2[set2ranges - 1].end;
                }
+               goto write;
        }
        if (!dflag && cflag) {
                if (set2check) {