This patch add an accessor which allows caller to get count of programs
in an object file.
Signed-off-by: Wang Nan <wangn...@huawei.com>
---
tools/lib/bpf/libbpf.c | 9 +++++++++
tools/lib/bpf/libbpf.h | 3 +++
2 files changed, 12 insertions(+)
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index a577f3e..e5084fe 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -856,6 +856,15 @@ void bpf_object__close(struct bpf_object *obj)
free(obj);
}
+int bpf_object__get_prog_cnt(struct bpf_object *obj, size_t *pcnt)
+{
+ if (!obj || !pcnt)
+ return -EINVAL;
+
+ *pcnt = obj->nr_programs;
+ return 0;
+}
+
struct bpf_program *
bpf_program__next(struct bpf_program *prev, struct bpf_object *obj)
{
diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h
index 8276735..84c83d4 100644
--- a/tools/lib/bpf/libbpf.h
+++ b/tools/lib/bpf/libbpf.h
@@ -25,6 +25,9 @@ void bpf_object__close(struct bpf_object *object);
int bpf_object__load(struct bpf_object *obj);
int bpf_object__unload(struct bpf_object *obj);
+/* Accessors of bpf_object */
+int bpf_object__get_prog_cnt(struct bpf_object *obj, size_t *pcnt);
+
/* Accessors of bpf_program. */
struct bpf_program;
struct bpf_program *bpf_program__next(struct bpf_program *prog,
--
1.8.3.4
--
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