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Merge pull request #1084 from elupus/fix/packing

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fix: avoid assuming struct packing
This commit is contained in:
Christopher Haster
2025-03-20 01:26:11 -05:00
committed by GitHub
parent a666730044 61a1b0b496
commit 8ed63b27be
1 changed files with 6 additions and 9 deletions
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15
lfs.c
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@ -404,18 +404,15 @@ struct lfs_diskoff {
// operations on global state // operations on global state
static inline void lfs_gstate_xor(lfs_gstate_t *a, const lfs_gstate_t *b) { static inline void lfs_gstate_xor(lfs_gstate_t *a, const lfs_gstate_t *b) {
for (int i = 0; i < 3; i++) { a->tag ^= b->tag;
((uint32_t*)a)[i] ^= ((const uint32_t*)b)[i]; a->pair[0] ^= b->pair[0];
} a->pair[1] ^= b->pair[1];
} }
static inline bool lfs_gstate_iszero(const lfs_gstate_t *a) { static inline bool lfs_gstate_iszero(const lfs_gstate_t *a) {
for (int i = 0; i < 3; i++) { return a->tag == 0
if (((uint32_t*)a)[i] != 0) { && a->pair[0] == 0
return false; && a->pair[1] == 0;
}
}
return true;
} }
#ifndef LFS_READONLY #ifndef LFS_READONLY