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vfs101: Fix warning about value truncation

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libfprint/drivers/vfs101.c:854:6: warning: absolute value function 'abs' given an argument of type 'long' but has parameter of type 'int' which may cause truncation of value [-Wabsolute-value]
        if (abs(count - VFS_IMG_BEST_CONTRAST) < abs(vdev->best_clevel - VFS_IMG_BEST_CONTRAST))
            ^
libfprint/drivers/vfs101.c:854:6: note: use function 'labs' instead
        if (abs(count - VFS_IMG_BEST_CONTRAST) < abs(vdev->best_clevel - VFS_IMG_BEST_CONTRAST))
            ^~~
            labs
This commit is contained in:
Bastien Nocera
2018-10-23 12:51:47 +02:00
parent 4dcbc6a3aa
commit e5f4021a4f
1 changed files with 1 additions and 1 deletions
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2
libfprint/drivers/vfs101.c
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@@ -851,7 +851,7 @@ static void vfs_check_contrast(struct vfs101_dev *vdev)
fp_dbg("contrast = %d, level = %ld", vdev->contrast, count);
if (abs(count - VFS_IMG_BEST_CONTRAST) < abs(vdev->best_clevel - VFS_IMG_BEST_CONTRAST))
if (labs(count - VFS_IMG_BEST_CONTRAST) < abs(vdev->best_clevel - VFS_IMG_BEST_CONTRAST))
{
/* Better contrast found, use it */
vdev->best_contrast = vdev->contrast;