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scoutfs-utils: generate end_size_add_cpu()

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We had manually implemented a few of the functions to add values to
specific endian types.  Make a macro to generate the function and
generate them for all the endian types we use.

Signed-off-by: Zach Brown <zab@versity.com>
This commit is contained in:
Zach Brown
2020-08-26 14:39:28 -07:00
committed by Zach Brown
parent 74f85ff93d
commit 4e546b2e7c
1 changed files with 10 additions and 12 deletions
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utils/src/sparse.h
+10 -12
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@@ -105,19 +105,17 @@ __gen_functions(cast, be)
#error "machine is neither BIG_ENDIAN nor LITTLE_ENDIAN"
#endif
static inline void le32_add_cpu(__le32 *val, u32 delta)
{
*val = cpu_to_le32(le32_to_cpu(*val) + delta);
#define __gen_add_funcs(end, size) \
static inline void end##size##_add_cpu(__##end##size *val, u##size delta) \
{ \
*val = cpu_to_##end##size(end##size##_to_cpu(*val) + delta); \
}
static inline void le64_add_cpu(__le64 *val, u64 delta)
{
*val = cpu_to_le64(le64_to_cpu(*val) + delta);
}
static inline void be64_add_cpu(__be64 *val, u64 delta)
{
*val = cpu_to_be64(be64_to_cpu(*val) + delta);
}
__gen_add_funcs(le, 16)
__gen_add_funcs(le, 32)
__gen_add_funcs(le, 64)
__gen_add_funcs(be, 16)
__gen_add_funcs(be, 32)
__gen_add_funcs(be, 64)
#endif