bootstrap nix with c on dune

2 files changed, 33 insertions, 0 deletions

diff --git a/bin/dune b/bin/dune
index b559855..36633c1 100644
--- a/bin/dune
+++ b/bin/dune
@@ -4,3 +4,9 @@
  (modules server)
  (libraries relational_engine unix)
  (modes byte exe))
+
+(rule
+ (targets main_c.exe)
+ (deps main.c)
+ (action
+  (bash "cc main.c -o main_c.exe $(pkg-config --cflags --libs lmdb)")))
diff --git a/bin/main.c b/bin/main.c
new file mode 100644
index 0000000..38abeee
--- /dev/null
+++ b/bin/main.c
@@ -0,0 +1,27 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <lmdb.h>
+
+int main(void) {
+    MDB_env *env;
+    int rc;
+
+    rc = mdb_env_create(&env);
+    if (rc) {
+        fprintf(stderr, "mdb_env_create failed: %s\n", mdb_strerror(rc));
+        return EXIT_FAILURE;
+    }
+
+    rc = mdb_env_open(env, "./testdb", MDB_NOSUBDIR, 0664);
+    if (rc) {
+        fprintf(stderr, "mdb_env_open failed: %s\n", mdb_strerror(rc));
+        mdb_env_close(env);
+        return EXIT_FAILURE;
+    }
+
+    printf("LMDB environment opened successfully.\n");
+    printf("LMDB version: %s\n", mdb_version(NULL, NULL, NULL));
+
+    mdb_env_close(env);
+    return EXIT_SUCCESS;
+}