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author | Geoff Levand <geoff@infradead.org> | 2011-11-26 21:06:53 -0800 |
---|---|---|
committer | Geoff Levand <geoff@infradead.org> | 2011-12-11 15:06:22 -0800 |
commit | 5865101c6f04296c790467e7d12fcd75917f29e9 (patch) | |
tree | ac5edd704594f4c4504b0faea21fee9f82da54a9 | |
parent | 0f572d200f620969b4ed486f1efdb7b0974420cc (diff) | |
download | libtwin-5865101c6f04296c790467e7d12fcd75917f29e9.tar.gz |
Add preprocessor macro maybe_unused
Define a preprocessor macro maybe_unused and add
it where needed to remove unused parameter build
warnings.
Signed-off-by: Geoff Levand <geoff@infradead.org>
-rw-r--r-- | libtwin/twin_hull.c | 3 | ||||
-rw-r--r-- | libtwin/twin_linux_js.c | 6 | ||||
-rw-r--r-- | libtwin/twin_linux_mouse.c | 4 | ||||
-rw-r--r-- | libtwin/twin_screen.c | 3 | ||||
-rw-r--r-- | libtwin/twin_x11.c | 6 | ||||
-rw-r--r-- | libtwin/twinint.h | 2 |
6 files changed, 16 insertions, 8 deletions
diff --git a/libtwin/twin_hull.c b/libtwin/twin_hull.c index 8bd974f..b93069d 100644 --- a/libtwin/twin_hull.c +++ b/libtwin/twin_hull.c @@ -156,7 +156,8 @@ _twin_hull_vertex_compare (const void *av, const void *bv) } static int -_twin_hull_prev_valid (twin_hull_t *hull, int num_hull, int index) +_twin_hull_prev_valid (twin_hull_t *hull, int maybe_unused num_hull, + int index) { do { /* hull[0] is always valid, so don't test and wraparound */ diff --git a/libtwin/twin_linux_js.c b/libtwin/twin_linux_js.c index 3108cb8..12e011a 100644 --- a/libtwin/twin_linux_js.c +++ b/libtwin/twin_linux_js.c @@ -31,6 +31,7 @@ #include <linux/joystick.h> #include "twin.h" +#include "twinint.h" #include "twin_linux_js.h" #define DEBUG(fmt...) printf(fmt) @@ -40,8 +41,9 @@ struct twin_js_dev { twin_screen_t *screen; }; -static twin_bool_t twin_linux_js_events(int file, twin_file_op_t ops, - void *closure) +static twin_bool_t twin_linux_js_events(int maybe_unused file, + twin_file_op_t maybe_unused ops, + void *closure) { struct twin_js_dev *js = closure; struct js_event js_event; diff --git a/libtwin/twin_linux_mouse.c b/libtwin/twin_linux_mouse.c index 085cb9a..d617c85 100644 --- a/libtwin/twin_linux_mouse.c +++ b/libtwin/twin_linux_mouse.c @@ -29,6 +29,7 @@ #include <fcntl.h> #include <math.h> +#include "twinint.h" #include "twin_linux_mouse.h" #define QUADRATIC_ACCELERATION 1 @@ -82,7 +83,8 @@ static void twin_linux_mouse_accel(twin_linux_mouse_t *tm, int *dx, int *dy) *dy = twin_fixed_to_int(twin_fixed_mul(accel, twin_int_to_fixed(*dy))); } -static twin_bool_t twin_linux_mouse_events(int file, twin_file_op_t ops, +static twin_bool_t twin_linux_mouse_events(int file, + twin_file_op_t maybe_unused ops, void *closure) { twin_linux_mouse_t *tm = closure; diff --git a/libtwin/twin_screen.c b/libtwin/twin_screen.c index 26fddee..b34020f 100644 --- a/libtwin/twin_screen.c +++ b/libtwin/twin_screen.c @@ -141,7 +141,8 @@ twin_screen_damaged (twin_screen_t *screen) } static void -twin_screen_span_pixmap(twin_screen_t *screen, twin_argb32_t *span, +twin_screen_span_pixmap(twin_screen_t maybe_unused *screen, + twin_argb32_t *span, twin_pixmap_t *p, twin_coord_t y, twin_coord_t left, twin_coord_t right, twin_src_op op16, twin_src_op op32) diff --git a/libtwin/twin_x11.c b/libtwin/twin_x11.c index ed3bfdc..193c52d 100644 --- a/libtwin/twin_x11.c +++ b/libtwin/twin_x11.c @@ -80,9 +80,9 @@ _twin_x11_put_span (twin_coord_t left, } static twin_bool_t -twin_x11_read_events (int file, - twin_file_op_t ops, - void *closure) +twin_x11_read_events (int maybe_unused file, + twin_file_op_t maybe_unused ops, + void *closure) { twin_x11_t *tx = closure; diff --git a/libtwin/twinint.h b/libtwin/twinint.h index a54d244..37b1704 100644 --- a/libtwin/twinint.h +++ b/libtwin/twinint.h @@ -26,6 +26,8 @@ #include "twin_def.h" #include <string.h> +#define maybe_unused __attribute__((unused)) + /* * Post-transformed points are stored in 12.4 fixed point * values |