rexy712/rexbacklight
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Updated usage message

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rexy712 2018-01-19 15:41:07 -08:00
parent 5c524714ad
commit 3fba61de8c
1 changed files with 14 additions and 1 deletions
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15
src/rexbacklight.c
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@ -76,9 +76,22 @@ static const char* max_backlight_file = "max_brightness";
//Print out usage message and GPL message if not caused by an error
void usage(int exit_val){
fprintf(stderr, "Usage: rexbacklight [option]\n\n");
fprintf(stderr, "Usage: rexbacklight [argument] [options] [argument]\n\n");
fprintf(stderr, "Options:\n");
fprintf(stderr, " %s|%s\n", DEVICE_SHORT_OPT, DEVICE_LONG_OPT);
fprintf(stderr, " select which device to control\n");
fprintf(stderr, " %s|%s\n", FADE_SHORT_OPT, FADE_LONG_OPT);
fprintf(stderr, " TODO: change brightness over time interval\n");
fprintf(stderr, " %s|%s\n", GET_SHORT_OPT, GET_LONG_OPT);
fprintf(stderr, " TODO: print the current brightness level to stdout\n");
fprintf(stderr, " %s|%s\n", HELP_SHORT_OPT, HELP_LONG_OPT);
fprintf(stderr, " print this help message and exit\n");
fprintf(stderr, "Arguments:\n");
fprintf(stderr, " =<percentage>\n");
fprintf(stderr, " -<percentage>\n");
fprintf(stderr, " +<percentage>\n");