[hackers] [sbase] Add proper casts and fix a small error || FRIGN

[git]

commit 0f90528df7c739892c035536a519431a2a419cec
Author: FRIGN <d...@frign.de>
Date:   Sun Jan 11 20:29:27 2015 +0100

    Add proper casts and fix a small error

diff --git a/tr.c b/tr.c
index 764e799..828adba 100644
--- a/tr.c
+++ b/tr.c
@@ -26,7 +26,7 @@ static struct {
        { "digit",  iswdigit  },
        { "graph",  iswgraph  },
        { "lower",  iswlower  },
-       { "print",  iswlower  },
+       { "print",  iswprint  },
        { "punct",  iswpunct  },
        { "space",  iswspace  },
        { "upper",  iswupper  },
@@ -227,7 +227,7 @@ read:
                        goto write;
                }
        }
-       if (set1check && set1check(r)) {
+       if (set1check && set1check((wint_t)r)) {
                if (dflag && !cflag)
                        goto read;
                if (sflag) {
@@ -237,9 +237,9 @@ read:
                                goto write;
                }
                if (set1check == iswupper && set2check == iswlower)
-                       r = towlower(r);
+                       r = towlower((wint_t)r);
                if (set1check == iswlower && set2check == iswupper)
-                       r = towupper(r);
+                       r = towupper((wint_t)r);
        }
        if (dflag && cflag)
                goto read;