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Resolve FORWARD_NULL static analysis warnings

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This resolves core findings from ASTERISK-19650 numbers 0-2, 6, 7, 9-11, 14-20,
22-24, 28, 30-32, 34-36, 42-56, 82-84, 87, 89-90, 93-102, 104, 105, 109-111,
and 115. Finding numbers 26, 33, and 29 were already resolved.  Those skipped
were either extended/deprecated or in areas of code that shouldn't be
disturbed.

(Closes issue ASTERISK-19650)
........

Merged revisions 366167 from http://svn.asterisk.org/svn/asterisk/branches/1.8
........

Merged revisions 366168 from http://svn.asterisk.org/svn/asterisk/branches/10


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@366169 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Kinsey Moore
2012-05-10 20:56:09 +00:00
parent 8227f70cd7
commit dd81b047db
27 changed files with 328 additions and 368 deletions
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10
res/ael/pval.c
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@@ -1160,7 +1160,11 @@ static pval *get_goto_target(pval *item)
pval *curr_ext = get_extension_or_contxt(item); /* containing exten, or macro */
pval *curr_cont;
if (item->u1.list && !item->u1.list->next && !strstr((item->u1.list)->u1.str,"${")) {
if (!item->u1.list) {
return NULL;
}
if (!item->u1.list->next && !strstr((item->u1.list)->u1.str,"${")) {
struct pval *x = find_label_in_current_extension((char*)((item->u1.list)->u1.str), curr_ext);
return x;
}
@@ -5882,7 +5886,7 @@ pval* pvalGlobalsWalkStatements( pval *p, pval **next_statement )
{
if (!pvalCheckType(p, "pvalGlobalsWalkStatements", PV_GLOBALS))
return 0;
if (!next_statement) {
if (!*next_statement) {
*next_statement = p;
return p;
} else {
@@ -5903,7 +5907,7 @@ void pvalTopLevAddObject( pval *p, pval *contextOrObj )
pval *pvalTopLevWalkObjects(pval *p, pval **next_obj )
{
if (!next_obj) {
if (!*next_obj) {
*next_obj = p;
return p;
} else {