1 files changed, 30 insertions, 0 deletions
diff --git a/cmds.c b/cmds.c
new file mode 100644
index 0000000..0148c7b
--- /dev/null
+++ b/cmds.c
@@ -0,0 +1,30 @@
+#include "state.h"
+#include "cmds.h"
+#include <err.h>
+#include <math.h>
+#include <stdlib.h>
+#include <err.h>
+
+stack fceil(stack stack) {
+  stack.val[stack.count-1] = ceil(stack.val[stack.count-1]);
+  return stack;
+}
+
+stack ffloor(stack stack) {
+  stack.val[stack.count-1] = floor(stack.val[stack.count-1]);
+  return stack;
+}
+
+command CMD_LIST[] = {
+  {"ceil", &fceil, "truncate to the next integer"},
+  {"floor", &ffloor, "truncate to the previous integer"},
+  {0, 0, 0}
+};
+
+void initstate(state *s) {
+  int numel = 0;
+  for (int i = 0; CMD_LIST[i].name != 0; i++) numel = i;
+  char *sorted = malloc(sizeof(char *)*numel);
+  if (sorted == NULL) err(1, "could not allocate function names");
+  /* todo: (merge, heap, quick) sort? */
+}