X-Git-Url: http://git.thejh.net/?p=tools.git;a=blobdiff_plain;f=math%2Fround.c;h=f87d3c109841cb9e87248f5761cb78282e8fb208;hp=e422fd0ce216147856f5ed2ddc3ee4871e1f85c2;hb=56b86248a393e3dd5073189ca50cb262046839ac;hpb=7ebc44a8d838298394178687975cf9d2994ff8be

diff --git a/math/round.c b/math/round.c
index e422fd0..f87d3c1 100644
--- a/math/round.c
+++ b/math/round.c
@@ -6,6 +6,8 @@ int main(int argc, char **argv) {
   double target = strtod(argv[1], NULL);
   char line[128];
   while (fgets(line, sizeof(line), stdin)) {
+    trim_end(line, "\r\n \t");
+    if (!*line) continue;
     double n = strtod(line, NULL);
     double quot = n / target;
     quot = round(quot);