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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)
This commit is contained in:
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/evalvars.c
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@@ -3960,7 +3960,7 @@ set_var_const(
|| STRNCMP(name, "g:", 2) == 0 || var_in_autoload))
goto failed;
di = alloc(sizeof(dictitem_T) + STRLEN(varname));
di = alloc(offsetof(dictitem_T, di_key) + STRLEN(varname) + 1);
if (di == NULL)
goto failed;
STRCPY(di->di_key, varname);