1 files changed, 30 insertions, 0 deletions
diff --git a/examples/nft-json-file.c b/examples/nft-json-file.c
new file mode 100644
index 0000000..0c832f2
--- /dev/null
+++ b/examples/nft-json-file.c
@@ -0,0 +1,30 @@
+/* gcc nft-json-file.c -o nft-json-file -lnftables */
+#include <stdlib.h>
+#include <nftables/libnftables.h>
+
+int main(void)
+{
+	struct nft_ctx *ctx;
+	int err;
+
+	ctx = nft_ctx_new(0);
+	if (!ctx) {
+		perror("cannot allocate nft context");
+		return EXIT_FAILURE;
+	}
+
+	nft_ctx_output_set_flags(ctx, NFT_CTX_OUTPUT_JSON);
+
+	/* create ruleset: all commands in the buffer are atomically applied */
+	err = nft_run_cmd_from_filename(ctx, "json-ruleset.nft");
+	if (err < 0)
+		fprintf(stderr, "failed to run nftables command\n");
+
+	err = nft_run_cmd_from_buffer(ctx, "list ruleset");
+	if (err < 0)
+		fprintf(stderr, "failed to run nftables command\n");
+
+	nft_ctx_free(ctx);
+
+	return EXIT_SUCCESS;
+}