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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/sign.c
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@@ -103,7 +103,7 @@ static signgroup_T *sign_group_ref(const char *groupname)
hi = hash_lookup(&sg_table, (char *)groupname, strlen(groupname), hash);
if (HASHITEM_EMPTY(hi)) {
// new group
group = xmalloc(sizeof(signgroup_T) + strlen(groupname));
group = xmalloc(offsetof(signgroup_T, sg_name) + strlen(groupname) + 1);
STRCPY(group->sg_name, groupname);
group->sg_refcount = 1;