Bugfix for cal when columns specified as 0
cal -c 0 caused an infinite loop. now the number of columns is set to the number of months when 0 (i.e. the calendars never wrap). Signed-off-by: Christoph Lohmann <20h@r-36.net>
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6
cal.c
6
cal.c
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@ -28,6 +28,8 @@ drawcal(int year, int month, int day, int ncols, int nmons, int fday)
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int row = 0;
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char *days[] = { "Su", "Mo", "Tu", "We", "Th", "Fr", "Sa", };
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if(!ncols)
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ncols = nmons;
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while(nmons > 0) {
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last = MIN(nmons, ncols);
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for(i = 0; i < last; i++) {
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@ -179,8 +181,8 @@ main(int argc, char *argv[])
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usage();
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}
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if(ncols < 0 || ncols > MONTHMAX || month < 1 || month > 12 \
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|| nmons < 1 || fday < 0 || fday > 6) {
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if(ncols < 0 || month < 1 || month > 12 || nmons < 1 \
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|| nmons > MONTHMAX || fday < 0 || fday > 6) {
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usage();
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}
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