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Merge pull request #1100 from selimkeles/fix/bitshift_overflow

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fix: added uint32_t cast to the bitshift places
This commit is contained in:
Christopher Haster
2025-05-13 00:44:05 -05:00
committed by GitHub
parent b26bf3494c f4a1bb328a
commit c1bf7cee84
1 changed files with 8 additions and 8 deletions
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16
lfs_util.h
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@@ -195,10 +195,10 @@ static inline uint32_t lfs_fromle32(uint32_t a) {
(defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)) (defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__))
return __builtin_bswap32(a); return __builtin_bswap32(a);
#else #else
return (((uint8_t*)&a)[0] << 0) | return ((uint32_t)((uint8_t*)&a)[0] << 0) |
(((uint8_t*)&a)[1] << 8) | ((uint32_t)((uint8_t*)&a)[1] << 8) |
(((uint8_t*)&a)[2] << 16) | ((uint32_t)((uint8_t*)&a)[2] << 16) |
(((uint8_t*)&a)[3] << 24); ((uint32_t)((uint8_t*)&a)[3] << 24);
#endif #endif
} }
@@ -218,10 +218,10 @@ static inline uint32_t lfs_frombe32(uint32_t a) {
(defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) (defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
return a; return a;
#else #else
return (((uint8_t*)&a)[0] << 24) | return ((uint32_t)((uint8_t*)&a)[0] << 24) |
(((uint8_t*)&a)[1] << 16) | ((uint32_t)((uint8_t*)&a)[1] << 16) |
(((uint8_t*)&a)[2] << 8) | ((uint32_t)((uint8_t*)&a)[2] << 8) |
(((uint8_t*)&a)[3] << 0); ((uint32_t)((uint8_t*)&a)[3] << 0);
#endif #endif
} }