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This commit is contained in:
Gregory Nutt
2018-08-19 11:19:43 -06:00
parent c790450ba2
commit 8e203e09d4
10 changed files with 41 additions and 35 deletions
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libs/libc/endian/lib_swap16.c
+1 -1
View File
@@ -47,7 +47,7 @@
#ifndef __SWAP_UINT16_ISMACRO
uint16_t __swap_uint16(uint16_t n)
{
return (uint16_t)(((((uint16_t)(n)) & 0x00ff) << 8) | \
return (uint16_t)(((((uint16_t)(n)) & 0x00ff) << 8) |
((((uint16_t)(n)) >> 8) & 0x00ff));
}
#endif
libs/libc/endian/lib_swap32.c
+3 -3
View File
@@ -47,9 +47,9 @@
#ifndef __SWAP_UINT32_ISMACRO
uint32_t __swap_uint32(uint32_t n)
{
return (uint32_t)(((((uint32_t)(n)) & 0x000000ffUL) << 24) | \
((((uint32_t)(n)) & 0x0000ff00UL) << 8) | \
((((uint32_t)(n)) & 0x00ff0000UL) >> 8) | \
return (uint32_t)(((((uint32_t)(n)) & 0x000000ffUL) << 24) |
((((uint32_t)(n)) & 0x0000ff00UL) << 8) |
((((uint32_t)(n)) & 0x00ff0000UL) >> 8) |
((((uint32_t)(n)) & 0xff000000UL) >> 24));
}
#endif
libs/libc/endian/lib_swap64.c
+7 -7
View File
@@ -49,13 +49,13 @@
#ifdef CONFIG_HAVE_LONG_LONG
uint64_t __swap_uint64(uint64_t n)
{
return (uint64_t)(((((uint64_t)(n)) & 0x00000000000000ffULL) << 56) | \
((((uint64_t)(n)) & 0x000000000000ff00ULL) << 40) | \
((((uint64_t)(n)) & 0x0000000000ff0000ULL) << 24) | \
((((uint64_t)(n)) & 0x00000000ff000000ULL) << 8) | \
((((uint64_t)(n)) & 0x000000ff00000000ULL) >> 8) | \
((((uint64_t)(n)) & 0x0000ff0000000000ULL) >> 24) | \
((((uint64_t)(n)) & 0x00ff000000000000ULL) >> 40) | \
return (uint64_t)(((((uint64_t)(n)) & 0x00000000000000ffULL) << 56) |
((((uint64_t)(n)) & 0x000000000000ff00ULL) << 40) |
((((uint64_t)(n)) & 0x0000000000ff0000ULL) << 24) |
((((uint64_t)(n)) & 0x00000000ff000000ULL) << 8) |
((((uint64_t)(n)) & 0x000000ff00000000ULL) >> 8) |
((((uint64_t)(n)) & 0x0000ff0000000000ULL) >> 24) |
((((uint64_t)(n)) & 0x00ff000000000000ULL) >> 40) |
((((uint64_t)(n)) & 0xff00000000000000ULL) >> 56));
}
#endif