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Improve nonnull checking with GCC in emacs-module

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* src/emacs-module.h.in (EMACS_ATTRIBUTE_NONNULL):
Also do the nonnull check with GCC.  (The old code did the
check with Clang but not with GCC.)
This commit is contained in:
Paul Eggert 2020-05-09 09:10:50 -07:00
parent ebfb2c4d1b
commit e59f697cd5
1 changed files with 10 additions and 6 deletions
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16
src/emacs-module.h.in
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@ -48,10 +48,14 @@ information how to write modules and use this header file.
# define EMACS_NOEXCEPT_TYPEDEF
#endif
#ifdef __has_attribute
#if __has_attribute(__nonnull__)
# define EMACS_ATTRIBUTE_NONNULL(...) __attribute__((__nonnull__(__VA_ARGS__)))
#endif
#if 3 < __GNUC__ + (3 <= __GNUC_MINOR__)
# define EMACS_ATTRIBUTE_NONNULL(...) \
__attribute__ ((__nonnull__ (__VA_ARGS__)))
#elif defined __has_attribute
# if __has_attribute (__nonnull__)
# define EMACS_ATTRIBUTE_NONNULL(...) \
__attribute__ ((__nonnull__ (__VA_ARGS__)))
# endif
#endif
#ifndef EMACS_ATTRIBUTE_NONNULL
# define EMACS_ATTRIBUTE_NONNULL(...)
@ -81,7 +85,7 @@ struct emacs_runtime
/* Return an environment pointer. */
emacs_env *(*get_environment) (struct emacs_runtime *runtime)
EMACS_ATTRIBUTE_NONNULL(1);
EMACS_ATTRIBUTE_NONNULL (1);
};
/* Type aliases for function pointer types used in the module API.
@ -166,7 +170,7 @@ struct emacs_env_28
/* Every module should define a function as follows. */
extern int emacs_module_init (struct emacs_runtime *runtime)
EMACS_NOEXCEPT
EMACS_ATTRIBUTE_NONNULL(1);
EMACS_ATTRIBUTE_NONNULL (1);
#ifdef __cplusplus
}