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Assert on NULL IO function

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This commit is contained in:
Dong Wang
2024-12-10 00:17:43 +08:00
parent 2fcecc8894
commit 469c863c18
1 changed files with 8 additions and 0 deletions
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lfs.c
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@@ -4217,6 +4217,14 @@ static int lfs_init(lfs_t *lfs, const struct lfs_config *cfg) {
// which littlefs currently does not support
LFS_ASSERT((bool)0x80000000);
// check that the required io functions are provided
LFS_ASSERT(lfs->cfg->read != NULL);
#ifndef LFS_READONLY
LFS_ASSERT(lfs->cfg->prog != NULL);
LFS_ASSERT(lfs->cfg->erase != NULL);
LFS_ASSERT(lfs->cfg->sync != NULL);
#endif
// validate that the lfs-cfg sizes were initiated properly before
// performing any arithmetic logics with them
LFS_ASSERT(lfs->cfg->read_size != 0);