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tools: require a minimum size for touchpads

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This mostly aims to catch users trying to specify the size in inches.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2016-08-01 07:45:46 +10:00
parent 911106230a
commit 761687e995
1 changed files with 8 additions and 0 deletions
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8
tools/touchpad-edge-detector.c
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@ -240,6 +240,14 @@ int main (int argc, char **argv) {
size.w <= 0 || size.h <= 0)
return usage();
if (size.w < 30 || size.h < 30) {
fprintf(stderr,
"%dx%dmm is too small for a touchpad.\n"
"Please specify the touchpad size in mm.\n",
size.w, size.h);
return 1;
}
path = argv[2];
if (path[0] == '-')
return usage();