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-rw-r--r--include/libnftnl/expr.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/libnftnl/expr.h b/include/libnftnl/expr.h
index da6a251..f192103 100644
--- a/include/libnftnl/expr.h
+++ b/include/libnftnl/expr.h
@@ -17,7 +17,7 @@ enum {
};
struct nftnl_expr *nftnl_expr_alloc(const char *name);
-void nftnl_expr_free(struct nftnl_expr *expr);
+void nftnl_expr_free(const struct nftnl_expr *expr);
bool nftnl_expr_is_set(const struct nftnl_expr *expr, uint16_t type);
void nftnl_expr_set(struct nftnl_expr *expr, uint16_t type, const void *data, uint32_t data_len);
@@ -36,7 +36,7 @@ uint32_t nftnl_expr_get_u32(const struct nftnl_expr *expr, uint16_t type);
uint64_t nftnl_expr_get_u64(const struct nftnl_expr *expr, uint16_t type);
const char *nftnl_expr_get_str(const struct nftnl_expr *expr, uint16_t type);
-int nftnl_expr_snprintf(char *buf, size_t buflen, struct nftnl_expr *expr, uint32_t type, uint32_t flags);
+int nftnl_expr_snprintf(char *buf, size_t buflen, const struct nftnl_expr *expr, uint32_t type, uint32_t flags);
enum {
NFTNL_EXPR_PAYLOAD_DREG = NFTNL_EXPR_BASE,