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tuklib_integer: Fix usage of conv macros. 

Use a temporary variable instead of e.g.
conv32le(unaligned_read32ne(buf)) because the macro can
evaluate its argument multiple times.
This commit is contained in:
Lasse Collin 2019-06-20 19:40:30 +03:00
parent 612c88dfc0
commit ed1a9d3398
1 changed files with 8 additions and 4 deletions
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12
src/common/tuklib_integer.h
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@ -413,7 +413,8 @@ static inline uint16_t
unaligned_read16be(const uint8_t *buf)
{
#if defined(WORDS_BIGENDIAN) || defined(TUKLIB_FAST_UNALIGNED_ACCESS)
return conv16be(unaligned_read16ne(buf));
uint16_t num = unaligned_read16ne(buf);
return conv16be(num);
#else
uint16_t num = ((uint16_t)buf[0] << 8) | (uint16_t)buf[1];
return num;
@ -425,7 +426,8 @@ static inline uint16_t
unaligned_read16le(const uint8_t *buf)
{
#if !defined(WORDS_BIGENDIAN) || defined(TUKLIB_FAST_UNALIGNED_ACCESS)
return conv16le(unaligned_read16ne(buf));
uint16_t num = unaligned_read16ne(buf);
return conv16le(num);
#else
uint16_t num = ((uint16_t)buf[0]) | ((uint16_t)buf[1] << 8);
return num;
@ -437,7 +439,8 @@ static inline uint32_t
unaligned_read32be(const uint8_t *buf)
{
#if defined(WORDS_BIGENDIAN) || defined(TUKLIB_FAST_UNALIGNED_ACCESS)
return conv32be(unaligned_read32ne(buf));
uint32_t num = unaligned_read32ne(buf);
return conv32be(num);
#else
uint32_t num = (uint32_t)buf[0] << 24;
num |= (uint32_t)buf[1] << 16;
@ -452,7 +455,8 @@ static inline uint32_t
unaligned_read32le(const uint8_t *buf)
{
#if !defined(WORDS_BIGENDIAN) || defined(TUKLIB_FAST_UNALIGNED_ACCESS)
return conv32le(unaligned_read32ne(buf));
uint32_t num = unaligned_read32ne(buf);
return conv32le(num);
#else
uint32_t num = (uint32_t)buf[0];
num |= (uint32_t)buf[1] << 8;