allow to c api with older c versions

In the FFI world we have many tools that are not gcc/clang and therefore
not always support the latest C standard. This fixes support with cffi
i.e. used in https://github.com/tweag/python-nix
This commit is contained in:
Jörg Thalheim 2024-08-02 11:12:06 +02:00
parent 838b666a80
commit 739418504c

View file

@ -14,6 +14,16 @@
#include "nix_api_util.h"
#include <stddef.h>
#ifndef __has_c_attribute
# define __has_c_attribute(x) 0
#endif
#if __has_c_attribute(deprecated)
# define NIX_DEPRECATED(msg) [[deprecated(msg)]]
#else
# define NIX_DEPRECATED(msg)
#endif
#ifdef __cplusplus
extern "C" {
#endif
@ -45,7 +55,7 @@ typedef struct EvalState EvalState; // nix::EvalState
* @see nix_value_incref, nix_value_decref
*/
typedef struct nix_value nix_value;
[[deprecated("use nix_value instead")]] typedef nix_value Value;
NIX_DEPRECATED("use nix_value instead") typedef nix_value Value;
// Function prototypes
/**