implement unpack_struct

1 files changed, 13 insertions, 0 deletions

diff --git a/pack.h b/pack.h
index 7fd54a5..d43bdcf 100644
--- a/pack.h
+++ b/pack.h
@@ -42,8 +42,21 @@ enum pack_endian {
 	PACK_ENDIAN_LITTLE
 };
 
+struct pack_field {
+	enum pack_type type;
+	size_t count;
+	size_t offset;
+};
+
+struct pack_args {
+	enum pack_endian endian;
+	struct pack_field *fields;
+	size_t num_fields;
+};
+
 enum pack_status pack(void *dest, size_t size, const char *fmt, ...);
 enum pack_status unpack(const void *buf, size_t size, const char *fmt, ...);
+enum pack_status unpack_struct(const void *buf, size_t size, const struct pack_args *args, void *dest);
 
 const char *pack_strerror(enum pack_status status);