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patch 8.2.3693: Coverity warns for possibly using a NULL pointer

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Problem:    Coverity warns for possibly using a NULL pointer.
Solution:   Check for NULL and give an error.
This commit is contained in:
Bram Moolenaar
2021-11-29 10:36:19 +00:00
parent 38453528c3
commit 293eb9ba46
3 changed files with 10 additions and 1 deletions
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3
src/errors.h
View File

@@ -355,7 +355,8 @@ EXTERN char e_cannot_delete_vim9_script_function_str[]
INIT(= N_("E1084: Cannot delete Vim9 script function %s")); INIT(= N_("E1084: Cannot delete Vim9 script function %s"));
EXTERN char e_not_callable_type_str[] EXTERN char e_not_callable_type_str[]
INIT(= N_("E1085: Not a callable type: %s")); INIT(= N_("E1085: Not a callable type: %s"));
// E1086 unused EXTERN char e_function_reference_invalid[]
INIT(= N_("E1086: Function reference invalid"));
EXTERN char e_cannot_use_index_when_declaring_variable[] EXTERN char e_cannot_use_index_when_declaring_variable[]
INIT(= N_("E1087: Cannot use an index when declaring a variable")); INIT(= N_("E1087: Cannot use an index when declaring a variable"));
// E1088 unused // E1088 unused

2
src/version.c
View File

@@ -757,6 +757,8 @@ 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 */
/**/
3693,
/**/ /**/
3692, 3692,
/**/ /**/

6
src/vim9execute.c
View File

@@ -3189,6 +3189,12 @@ exec_instructions(ectx_T *ectx)
{ {
ufunc = find_func(funcref->fr_func_name, FALSE, NULL); ufunc = find_func(funcref->fr_func_name, FALSE, NULL);
} }
if (ufunc == NULL)
{
SOURCING_LNUM = iptr->isn_lnum;
emsg(_(e_function_reference_invalid));
goto theend;
}
if (fill_partial_and_closure(pt, ufunc, ectx) == FAIL) if (fill_partial_and_closure(pt, ufunc, ectx) == FAIL)
goto theend; goto theend;
tv = STACK_TV_BOT(0); tv = STACK_TV_BOT(0);