cmake: add example how to integrate cargo

1 files changed, 19 insertions, 0 deletions

diff --git a/content/2022-05-30-cmake-cargo-example/calc.c b/content/2022-05-30-cmake-cargo-example/calc.c
new file mode 100644
index 0000000..27ca0a9
--- /dev/null
+++ b/content/2022-05-30-cmake-cargo-example/calc.c
@@ -0,0 +1,19 @@
+#include <stdio.h>
+#include <limits.h>
+
+#include <libcalc.h>
+
+#define EVAL(expr) \
+    printf("%s = %d\n", #expr, expr);
+
+int main() {
+    EVAL(wrap_add(1,2));
+    EVAL(wrap_add(INT_MAX,0));
+    EVAL(wrap_add(INT_MAX,1));
+
+    EVAL(sat_add(1,2));
+    EVAL(sat_add(INT_MAX,0));
+    EVAL(sat_add(INT_MAX,1));
+
+    return 0;
+}