[PATCH v4 2/5] types.h: Add UINT-related macros needed for Argon2

[Patrick Steinhardt]

For the upcoming import of the Argon2 library, we need the macros
GRUB_UINT32_MAX, GRUB_UINT32_C and GRUB_UINT64_C. Add them as a
preparatory step.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
---
 include/grub/types.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/include/grub/types.h b/include/grub/types.h
index 0a3ff1591..13b0c46b3 100644
--- a/include/grub/types.h
+++ b/include/grub/types.h
@@ -153,6 +153,7 @@ typedef grub_int32_t        grub_ssize_t;
 #define GRUB_SHRT_MAX 0x7fff
 #define GRUB_SHRT_MIN (-GRUB_SHRT_MAX - 1)
 #define GRUB_UINT_MAX 4294967295U
+#define GRUB_UINT32_MAX 4294967295U
 #define GRUB_INT_MAX 0x7fffffff
 #define GRUB_INT_MIN (-GRUB_INT_MAX - 1)
 #define GRUB_INT32_MAX 2147483647
@@ -174,6 +175,13 @@ typedef grub_int32_t       grub_ssize_t;
 #define GRUB_TYPE_U_MAX(type) ((unsigned long long)((typeof (type))(~0)))
 #define GRUB_TYPE_U_MIN(type) 0ULL
 
+# define GRUB_UINT32_C(x) x ## U
+# if GRUB_ULONG_MAX >> 31 >> 31 >> 1 == 1
+#  define GRUB_UINT64_C(x) x##UL
+# elif 1
+#  define GRUB_UINT64_C(x) x##ULL
+# endif
+
 typedef grub_uint64_t grub_properly_aligned_t;
 
 #define GRUB_PROPERLY_ALIGNED_ARRAY(name, size) grub_properly_aligned_t 
name[((size) + sizeof (grub_properly_aligned_t) - 1) / sizeof 
(grub_properly_aligned_t)]
-- 
2.32.0

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