New subject: [Bug 37125] PVS-Studio Error: First the execution, then the trial

16 Aug 2014


      https://bugs.winehq.org/show_bug.cgi?id=37125
Bug ID: 37125
           Summary: PVS-Studio Error: First the execution, then the trial
           Product: Wine
           Version: 1.7.22
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: wine-bugs@winehq.org
          Reporter: lukebenes@hotmail.com
PVS-Studio identifies a First the execution, then the trial Error,V595. The
'decl' pointer was utilized before it was verified against nullptr. Check
lines: 1411, 1417. parser.y 1411
...
var_t *v = decl->var; //<==
expr_list_t *sizes = get_attrp(attrs, ATTR_SIZEIS);
expr_list_t *lengs = get_attrp(attrs, ATTR_LENGTHIS);
int sizeless;
expr_t *dim;
type_t **ptype;
array_dims_t *arr = decl ? decl->array : NULL;     //<==
type_t *func_type = decl ? decl->func_type : NULL; //<==
...
First the value by pointer is taken, then it is checked.
Other similar fragments:
V595 The 'pcbData' pointer was utilized before it was verified against
nullptr. Check lines: 1859, 1862. registry.c 1859
    V595 The 'token_user' pointer was utilized before it was verified against
nullptr. Check lines: 206, 213. lsa.c 206
    V595 The 'psp' pointer was utilized before it was verified against nullptr.
Check lines: 2680, 2689. propsheet.c 2680
    V595 The 'lpFindInfo' pointer was utilized before it was verified against
nullptr. Check lines: 6285, 6289. listview.c 6285
    V595 The 'compiland' pointer was utilized before it was verified against
nullptr. Check lines: 287, 294. symbol.c 287
    V595 The 'graphics' pointer was utilized before it was verified against
nullptr. Check lines: 2096, 2112. graphics.c 2096
    V595 The 'current' pointer was utilized before it was verified against
nullptr. Check lines: 240, 251. request.c 240
details on the V595 error here: http://www.viva64.com/en/d/0205/
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[Bug 37125] New: PVS-Studio Error: First the execution, then the trial