Implement expression printing into a FILE pointer analogous to
nftnl_rule_fprintf().
Signed-off-by: Phil Sutter <phil@xxxxxx>
---
include/libnftnl/expr.h | 1 +
src/expr.c | 14 ++++++++++++++
2 files changed, 15 insertions(+)
diff --git a/include/libnftnl/expr.h b/include/libnftnl/expr.h
index 76f28fee7b5f7..f37f50963d6c3 100644
--- a/include/libnftnl/expr.h
+++ b/include/libnftnl/expr.h
@@ -39,6 +39,7 @@ const char *nftnl_expr_get_str(const struct nftnl_expr *expr, uint16_t type);
bool nftnl_expr_cmp(const struct nftnl_expr *e1, const struct nftnl_expr *e2);
int nftnl_expr_snprintf(char *buf, size_t buflen, const struct nftnl_expr *expr, uint32_t type, uint32_t flags);
+int nftnl_expr_fprintf(FILE *fp, const struct nftnl_expr *expr, uint32_t type, uint32_t flags);
enum {
NFTNL_EXPR_PAYLOAD_DREG = NFTNL_EXPR_BASE,
diff --git a/src/expr.c b/src/expr.c
index c5fcf06492ae2..1eae70787209d 100644
--- a/src/expr.c
+++ b/src/expr.c
@@ -293,3 +293,17 @@ int nftnl_expr_snprintf(char *buf, size_t size, const struct nftnl_expr *expr,
return offset;
}
EXPORT_SYMBOL(nftnl_expr_snprintf);
+
+static int nftnl_expr_do_snprintf(char *buf, size_t size, const void *e,
+ uint32_t cmd, uint32_t type, uint32_t flags)
+{
+ return nftnl_expr_snprintf(buf, size, e, type, flags);
+}
+
+int nftnl_expr_fprintf(FILE *fp, const struct nftnl_expr *expr, uint32_t type,
+ uint32_t flags)
+{
+ return nftnl_fprintf(fp, expr, NFTNL_CMD_UNSPEC, type, flags,
+ nftnl_expr_do_snprintf);
+}
+EXPORT_SYMBOL(nftnl_expr_fprintf);
--
2.13.1
--
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