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vim-patch:8.1.1827: allocating more memory than needed for extended structs (#22081)

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Problem:    Allocating more memory than needed for extended structs.
Solution:   Use offsetof() instead of sizeof(). (Dominique Pelle,
            closes vim/vim#4786)

47ed553fd5
This commit is contained in:
zeertzjq
2023-02-01 18:07:09 +08:00
committed by GitHub
parent d63ad600e0
commit 01d3a64e28
5 changed files with 7 additions and 7 deletions
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2
src/nvim/regexp_bt.c
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@@ -2862,7 +2862,7 @@ static regprog_T *bt_regcomp(uint8_t *expr, int re_flags)
}
// Allocate space.
bt_regprog_T *r = xmalloc(sizeof(bt_regprog_T) + (size_t)regsize);
bt_regprog_T *r = xmalloc(offsetof(bt_regprog_T, program) + (size_t)regsize);
r->re_in_use = false;
// Second pass: emit code.