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patch 9.0.1076: ASAN complains about NULL argument

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Problem:    ASAN complains about NULL argument.
Solution:   Skip memmove() when there is nothing to move.
This commit is contained in:
Bram Moolenaar 2022-12-19 12:18:09 +00:00
parent c336ae3ce6
commit 8efdcee02e
2 changed files with 4 additions and 1 deletions
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2
src/version.c
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@ -695,6 +695,8 @@ static char *(features[]) =
static int included_patches[] = static int included_patches[] =
{ /* Add new patch number below this line */ { /* Add new patch number below this line */
/**/
1076,
/**/ /**/
1075, 1075,
/**/ /**/

3
src/vim9class.c
View File

@ -164,7 +164,8 @@ add_members_to_class(
*members = gap->ga_len == 0 ? NULL : ALLOC_MULT(ocmember_T, gap->ga_len); *members = gap->ga_len == 0 ? NULL : ALLOC_MULT(ocmember_T, gap->ga_len);
if (gap->ga_len > 0 && *members == NULL) if (gap->ga_len > 0 && *members == NULL)
return FAIL; return FAIL;
mch_memmove(*members, gap->ga_data, sizeof(ocmember_T) * gap->ga_len); if (gap->ga_len > 0)
mch_memmove(*members, gap->ga_data, sizeof(ocmember_T) * gap->ga_len);
VIM_CLEAR(gap->ga_data); VIM_CLEAR(gap->ga_data);
return OK; return OK;
} }