rev: fix new line regression

Commit 4b4eb34004378fe70259acd8f2f859e7b5cc3726 made output incorrect for
input lines that does not have new line.  For example

$ printf "a b c\n1 2 3" | rev
c b a
 2 13

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

diff --git a/text-utils/rev.c b/text-utils/rev.c
index 85e16306b3d201cf4321a67c50654a8b3ff20c77..f1341cb3d297c764b33a05ab252a4bcb3c728c99 100644 (file)
--- a/text-utils/rev.c
+++ b/text-utils/rev.c
@@ -163,7 +163,9 @@ int main(int argc, char *argv[])
 
                                len = wcslen(buf);
                        }
-                       reverse_str(buf, len - 1);
+                       if (buf[len - 1] == '\n')
+                               buf[len--] = '\0';
+                       reverse_str(buf, len);
                        fputws(buf, stdout);
                }
                if (ferror(fp)) {