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patch 9.0.1271: using sizeof() and subtract array size is tricky

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Problem:    Using sizeof() and subtract array size is tricky.
Solution:   Use offsetof() instead. (closes #11926)
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zeertzjq
2023-02-01 13:11:15 +00:00
committed by Bram Moolenaar
parent a7d36b7320
commit 1b438a8228
10 changed files with 15 additions and 11 deletions
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2
src/vim9script.c
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@@ -922,7 +922,7 @@ update_vim9_script_var(
// svar_T and create a new sallvar_T.
sv = ((svar_T *)si->sn_var_vals.ga_data) + si->sn_var_vals.ga_len;
newsav = (sallvar_T *)alloc_clear(
sizeof(sallvar_T) + STRLEN(name));
offsetof(sallvar_T, sav_key) + STRLEN(name) + 1);
if (newsav == NULL)
return;