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author | Dmitry V. Levin <ldv@altlinux.org> | 2020-03-16 21:02:18 +0000 |
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committer | Dmitry V. Levin <ldv@altlinux.org> | 2020-03-19 18:40:16 +0000 |
commit | a8b4dce7b53d73de372e150028c970ee0a2a2e97 (patch) | |
tree | ff1f409cc316701b981f8dadd3ddb14866c92b8b /libpam/include/pam_cc_compat.h | |
parent | 9db69633449a4829d971e8aded348c5c3e9dda64 (diff) | |
download | pam-a8b4dce7b53d73de372e150028c970ee0a2a2e97.tar.gz pam-a8b4dce7b53d73de372e150028c970ee0a2a2e97.tar.bz2 pam-a8b4dce7b53d73de372e150028c970ee0a2a2e97.zip |
Introduce pam_inline.h
Introduce a new internal header file for definitions of handly inline
functions and macros providing some convenient functionality to libpam
and its modules.
* libpam/include/pam_cc_compat.h (PAM_SAME_TYPE): New macro.
* libpam/include/pam_inline.h: New file.
* libpam/Makefile.am (noinst_HEADERS): Add include/pam_inline.h.
Diffstat (limited to 'libpam/include/pam_cc_compat.h')
-rw-r--r-- | libpam/include/pam_cc_compat.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/libpam/include/pam_cc_compat.h b/libpam/include/pam_cc_compat.h index c43989f7..69190368 100644 --- a/libpam/include/pam_cc_compat.h +++ b/libpam/include/pam_cc_compat.h @@ -50,4 +50,17 @@ # define DIAG_POP_IGNORE_CAST_ALIGN /* empty */ #endif +/* + * Evaluates to + * 1, if the given two types are known to be the same + * 0, otherwise. + */ +#if PAM_GNUC_PREREQ(3, 0) +# define PAM_IS_SAME_TYPE(x_, y_) \ + __builtin_types_compatible_p(__typeof__(x_), __typeof__(y_)) +#else +/* Cannot tell whether these types are the same. */ +# define PAM_IS_SAME_TYPE(x_, y_) 0 +#endif + #endif /* PAM_CC_COMPAT_H */ |