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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 12:01:37 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 12:01:37 +0000
commitde848d9e9146434817c65d74d1d0313e9d729462 (patch)
treedcbd0efb229b17f696f7195671f05b354b4f70fc /libpam/include/pam_cc_compat.h
parentInitial commit. (diff)
downloadpam-upstream.tar.xz
pam-upstream.zip
Adding upstream version 1.4.0.upstream/1.4.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'libpam/include/pam_cc_compat.h')
-rw-r--r--libpam/include/pam_cc_compat.h66
1 files changed, 66 insertions, 0 deletions
diff --git a/libpam/include/pam_cc_compat.h b/libpam/include/pam_cc_compat.h
new file mode 100644
index 0000000..6919036
--- /dev/null
+++ b/libpam/include/pam_cc_compat.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2020 Dmitry V. Levin <ldv@altlinux.org>
+ */
+
+#ifndef PAM_CC_COMPAT_H
+#define PAM_CC_COMPAT_H
+
+#include "config.h"
+#include <security/_pam_types.h>
+
+#if defined __clang__ && defined __clang_major__ && defined __clang_minor__
+# define PAM_CLANG_PREREQ(maj, min) \
+ ((__clang_major__ << 16) + __clang_minor__ >= ((maj) << 16) + (min))
+#else
+# define PAM_CLANG_PREREQ(maj, min) 0
+#endif
+
+#if PAM_GNUC_PREREQ(2, 7)
+# define PAM_ATTRIBUTE_ALIGNED(arg) __attribute__((__aligned__(arg)))
+#else
+# define PAM_ATTRIBUTE_ALIGNED(arg) /* empty */
+#endif
+
+#if PAM_GNUC_PREREQ(4, 6)
+# define DIAG_PUSH_IGNORE_CAST_QUAL \
+ _Pragma("GCC diagnostic push"); \
+ _Pragma("GCC diagnostic ignored \"-Wcast-qual\"")
+# define DIAG_POP_IGNORE_CAST_QUAL \
+ _Pragma("GCC diagnostic pop")
+# define DIAG_PUSH_IGNORE_CAST_ALIGN \
+ _Pragma("GCC diagnostic push"); \
+ _Pragma("GCC diagnostic ignored \"-Wcast-align\"")
+# define DIAG_POP_IGNORE_CAST_ALIGN \
+ _Pragma("GCC diagnostic pop")
+#elif PAM_CLANG_PREREQ(2, 6)
+# define DIAG_PUSH_IGNORE_CAST_QUAL \
+ _Pragma("clang diagnostic push"); \
+ _Pragma("clang diagnostic ignored \"-Wcast-qual\"")
+# define DIAG_POP_IGNORE_CAST_QUAL \
+ _Pragma("clang diagnostic pop")
+# define DIAG_PUSH_IGNORE_CAST_ALIGN \
+ _Pragma("clang diagnostic push"); \
+ _Pragma("clang diagnostic ignored \"-Wcast-align\"")
+# define DIAG_POP_IGNORE_CAST_ALIGN \
+ _Pragma("clang diagnostic pop")
+#else
+# define DIAG_PUSH_IGNORE_CAST_QUAL /* empty */
+# define DIAG_POP_IGNORE_CAST_QUAL /* empty */
+# define DIAG_PUSH_IGNORE_CAST_ALIGN /* empty */
+# 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 */