*: better comments on termios manipulations. No code changes.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

3 files changed, 6 insertions, 5 deletions

diff --git a/editors/vi.c b/editors/vi.c
index 6070c48d2..4a2d5d4f1 100644
--- a/editors/vi.c
+++ b/editors/vi.c
@@ -2304,7 +2304,7 @@ static void rawmode(void)
 {
         tcgetattr(0, &term_orig);
         term_vi = term_orig;
-        term_vi.c_lflag &= (~ICANON & ~ECHO);   // leave ISIG ON- allow intr's
+        term_vi.c_lflag &= (~ICANON & ~ECHO);   // leave ISIG on - allow intr's
         term_vi.c_iflag &= (~IXON & ~ICRNL);
         term_vi.c_oflag &= (~ONLCR);
         term_vi.c_cc[VMIN] = 1;
diff --git a/loginutils/getty.c b/loginutils/getty.c
index 1f417591b..afb411b98 100644
--- a/loginutils/getty.c
+++ b/loginutils/getty.c
@@ -294,8 +294,10 @@ static void init_tty_attrs(int speed)
         /* non-raw output; add CR to each NL */
         G.tty_attrs.c_oflag = OPOST | ONLCR;
 
-        G.tty_attrs.c_cc[VMIN] = 1; /* block reads if < 1 char is available */
-        G.tty_attrs.c_cc[VTIME] = 0; /* no timeout (reads block forever) */
+        /* reads would block only if < 1 char is available */
+        G.tty_attrs.c_cc[VMIN] = 1;
+        /* no timeout (reads block forever) */
+        G.tty_attrs.c_cc[VTIME] = 0;
 #ifdef __linux__
         G.tty_attrs.c_line = 0;
 #endif
diff --git a/util-linux/more.c b/util-linux/more.c
index efceb71ec..359571397 100644
--- a/util-linux/more.c
+++ b/util-linux/more.c
@@ -85,8 +85,7 @@ int more_main(int argc UNUSED_PARAM, char **argv)
                 cin_fileno = fileno(cin);
                 getTermSettings(cin_fileno, &initial_settings);
                 new_settings = initial_settings;
-                new_settings.c_lflag &= ~ICANON;
-                new_settings.c_lflag &= ~ECHO;
+                new_settings.c_lflag &= ~(ICANON | ECHO);
                 new_settings.c_cc[VMIN] = 1;
                 new_settings.c_cc[VTIME] = 0;
                 setTermSettings(cin_fileno, &new_settings);