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-rw-r--r--include/libnftnl/gen.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/include/libnftnl/gen.h b/include/libnftnl/gen.h
new file mode 100644
index 0000000..00753b0
--- /dev/null
+++ b/include/libnftnl/gen.h
@@ -0,0 +1,51 @@
+#ifndef _LIBNFTNL_GEN_H_
+#define _LIBNFTNL_GEN_H_
+
+#include <stdio.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <sys/types.h>
+
+#include <libnftnl/common.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct nft_gen;
+
+struct nft_gen *nft_gen_alloc(void);
+void nft_gen_free(struct nft_gen *);
+
+enum {
+ NFT_GEN_ID = 0,
+ __NFT_GEN_MAX
+};
+#define NFT_GEN_MAX (__NFT_GEN_MAX - 1)
+
+bool nft_gen_attr_is_set(const struct nft_gen *gen, uint16_t attr);
+void nft_gen_attr_unset(struct nft_gen *gen, uint16_t attr);
+void nft_gen_attr_set(struct nft_gen *gen, uint16_t attr, const void *data);
+void nft_gen_attr_set_data(struct nft_gen *gen, uint16_t attr,
+ const void *data, uint32_t data_len);
+const void *nft_gen_attr_get(struct nft_gen *gen, uint16_t attr);
+const void *nft_gen_attr_get_data(struct nft_gen *gen, uint16_t attr,
+ uint32_t *data_len);
+
+void nft_gen_attr_set_u32(struct nft_gen *gen, uint16_t attr, uint32_t data);
+uint32_t nft_gen_attr_get_u32(struct nft_gen *gen, uint16_t attr);
+
+struct nlmsghdr;
+int nft_gen_nlmsg_parse(const struct nlmsghdr *nlh, struct nft_gen *gen);
+
+int nft_gen_snprintf(char *buf, size_t size, struct nft_gen *gen, uint32_t type, uint32_t flags);
+int nft_gen_fprintf(FILE *fp, struct nft_gen *gen, uint32_t type, uint32_t flags);
+
+#define nft_gen_nlmsg_build_hdr nft_nlmsg_build_hdr
+int nft_gen_nlmsg_parse(const struct nlmsghdr *nlh, struct nft_gen *gen);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* _LIBNFTNL_GEN_H_ */