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tools/thermal: tmon: silence 'set but not used' warnings

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gcc complains about the 'cols' variable being unused. This is
unavoidable, given the ncurses getmaxyx() macro-based API, which wants
to assign to a variable directly, even when we're not going to use it.

Warning:

    gcc -O1 -Wall -Wshadow -W -Wformat -Wimplicit-function-declaration -Wimplicit-int -fstack-protector -D VERSION=\"1.0\"   -c -o tui.o tui.c
    tui.c: In function ‘show_dialogue’:
    tui.c:288:12: warning: variable ‘cols’ set but not used [-Wunused-but-set-variable]
      int rows, cols;
                ^

So, add a hack to get rid of that warning.

Signed-off-by: Brian Norris <[email protected]>
Acked-by: Jacob Pan <[email protected]>
Reviewed-by: Florian Fainelli <[email protected]>
Signed-off-by: Zhang Rui <[email protected]>
This commit is contained in:
Brian Norris 2015-02-17 18:18:36 -08:00 • committed by Zhang Rui
commit 986ffe0384
1 changed files with 3 additions and 0 deletions
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3
tools/thermal/tmon/tui.c
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@ -293,6 +293,9 @@ void show_dialogue(void)
getmaxyx(w, rows, cols);
/* Silence compiler 'unused' warnings */
(void)cols;
werase(w);
box(w, 0, 0);
mvwprintw(w, 0, maxx/4, DIAG_TITLE);