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dtmail: resolve 'deference before null check' errors related to if(!NULL) checks around free() calls

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This commit is contained in:
Peter Howkins 2018-04-02 20:29:28 +01:00
parent 8362f92ceb
commit 0b38496bd8
27 changed files with 41 additions and 68 deletions
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1
cde/programs/dtmail/dtmail/AliasListUiItem.C
View file

@ -217,7 +217,6 @@ void AliasListUiItem::writeFromSourceToUi()
for (i = 0; i < list_len; i++)
list_items->append(prop_pairs[i]);
if (NULL != prop_pairs)
XtFree((char*) prop_pairs);
}

1
cde/programs/dtmail/dtmail/AlternatesListUiItem.C
View file

@ -210,7 +210,6 @@ void AlternatesListUiItem::writeFromSourceToUi()
delete char_list;
if(list_str != NULL)
free((void *)list_str);
if(buf != NULL)

5
cde/programs/dtmail/dtmail/AntiCheckBoxUiItem.C
View file

@ -94,13 +94,12 @@ void AntiCheckBoxUiItem::writeFromSourceToUi()
//
// This assumes that a non-null value means that the
// value is set and that a non-null means turn on the CB
if (strcmp(value, "f") == 0)
if (value && strcmp(value, "f") == 0)
options_checkbox_set_value(w, TRUE, this->dirty_bit);
else if (value == NULL || strcmp(value, "") == 0)
options_checkbox_set_value(w, FALSE, this->dirty_bit);
if (value != NULL)
free((void*) value);
free(value);
}

1
cde/programs/dtmail/dtmail/CheckBoxUiItem.C
View file

@ -97,7 +97,6 @@ void CheckBoxUiItem::writeFromSourceToUi()
else if (NULL == value || strcmp(value, "f") == 0)
options_checkbox_set_value(w, FALSE, this->dirty_bit);
if (value != NULL)
free((void*) value);
}

2
cde/programs/dtmail/dtmail/CheckForMailUiItem.C
View file

@ -115,5 +115,5 @@ void CheckForMailUiItem::writeFromSourceToUi()
options_spinbox_set_value(w, atoi(value), this->dirty_bit);
_valueChanged = FALSE;
if (NULL != value) free((void*) value);
free((void*) value);
}

1
cde/programs/dtmail/dtmail/DmxMessage.C
View file

@ -394,7 +394,6 @@ DmxMsg::display (
strcpy(v3_cs, "DEFAULT");
strcat(v3_cs, ".");
strcat(v3_cs, ret);
if (ret)
free(ret);
}

1
cde/programs/dtmail/dtmail/DmxPrintJob.C
View file

@ -630,7 +630,6 @@ DmxPrintJob::loadOutputWidgets(void)
_print_output->appendNewLine();
XtFree(buffer);
if (NULL != separator_string)
free((void*) separator_string);
break;

1
cde/programs/dtmail/dtmail/Editor.C
View file

@ -435,7 +435,6 @@ Editor::update_display_from_props(void)
mailrc->getValue(error, "toolcols", &value);
if (!error.isSet()){
cols = (int) strtol(value, NULL, 10);
if (NULL != value)
free((void*) value);
} else {
/*

2
cde/programs/dtmail/dtmail/EncryptedTextFieldUiItem.C
View file

@ -138,7 +138,7 @@ void EncryptedTextFieldUiItem::writeFromSourceToUi()
_loading = DTM_TRUE;
options_field_set_value(w, value, this->dirty_bit);
if (NULL != value) free((void*) value);
free((void*) value);
_loading = DTM_FALSE;
}

1
cde/programs/dtmail/dtmail/Fonts.C
View file

@ -101,7 +101,6 @@ get_font(
do_break = True;
}
if (fl_entry_font_tag != NULL)
XtFree((char*) fl_entry_font_tag);
if (do_break)

4
cde/programs/dtmail/dtmail/InboxTextFieldUiItem.C
View file

@ -85,7 +85,7 @@ void InboxTextFieldUiItem::writeFromUiToSource()
else
prop_source->setValue(value);
if (NULL != mailspool_file) free((void*) mailspool_file);
free((void*) mailspool_file);
}
// Takes values in the UI and puts them into the source DB
@ -114,6 +114,6 @@ void InboxTextFieldUiItem::writeFromSourceToUi()
else
options_field_set_value(w, value, this->dirty_bit);
if (NULL != value) free((void*) value);
free((void*) value);
if (NULL != mailspool_file) free((void*) mailspool_file);
}

2
cde/programs/dtmail/dtmail/MailRetrievalOptions.C
View file

@ -822,7 +822,7 @@ MailRetrievalOptions::isValidInboxPath(PropUiItem* pui, void* data)
errmsg = NULL;
if (inbox_path) free(inbox_path);
if (expanded_path) free(expanded_path);
free(expanded_path);
return (char*) errmsg;
}

1
cde/programs/dtmail/dtmail/MoveMenuListUiItem.C
View file

@ -228,7 +228,6 @@ void MoveMenuListUiItem::writeFromSourceToUi()
delete char_list;
if(list_str != NULL)
free((void*) list_str);
if(buf != NULL)

2
cde/programs/dtmail/dtmail/RoamApp.C
View file

@ -723,7 +723,7 @@ tooltalk_msg_handler(
&file);
}
if (str) free(str);
free(str);
if (NULL == file)
{

9
cde/programs/dtmail/dtmail/RoamMenuWindow.C
View file

@ -421,7 +421,6 @@ RoamMenuWindow::RoamMenuWindow (char *name) : MenuWindow ("dtmail", True)
else
_inbox = FALSE;
if (NULL != mail_file)
free((void*)mail_file);
_list = NULL;
@ -465,7 +464,7 @@ RoamMenuWindow::RoamMenuWindow (char *name) : MenuWindow ("dtmail", True)
else
_last_sorted_by = (SortBy) atoi(value);
if (NULL != value) free((void*) value);
free((void*) value);
if (NULL != buffer) XtFree(buffer);
}
@ -788,7 +787,7 @@ RoamMenuWindow::createWorkArea(Widget parent)
int header_lines = (int) strtol(value, NULL, 10);
_list->visibleItems(header_lines);
if (NULL != value) free((void*) value);
free((void*) value);
XtAddCallback(
_list->get_scrolling_list(), XmNhelpCallback,
@ -1863,7 +1862,6 @@ RoamMenuWindow::propsChanged(void)
if (header_lines != _list->visibleItems())
_list->visibleItems(header_lines);
if (NULL != value)
free((void*) value);
_list->checkDisplayProp();
@ -2788,7 +2786,7 @@ RoamMenuWindow::create_container_callback(void *client_data, char *selection)
{
RoamMenuWindow *obj = (RoamMenuWindow*) client_data;
obj->create_new_container(selection);
if (NULL != selection) XtFree(selection);
XtFree(selection);
}
void
@ -5152,7 +5150,6 @@ RoamMenuWindow::addToCachedContainerList(char *filename)
&mail_file);
is_inbox = (0 == strcmp(mail_file, filename));
if (NULL != mail_file)
free((void*) mail_file);
if (is_inbox)
return;

1
cde/programs/dtmail/dtmail/ScaleUiItem.C
View file

@ -85,6 +85,5 @@ void ScaleUiItem::writeFromSourceToUi()
options_scale_set_value(w, value, this->dirty_bit);
if (NULL != value)
free((void*) value);
}

4
cde/programs/dtmail/dtmail/SendMsgDialog.C
View file

@ -915,11 +915,9 @@ SendMsgDialog::storeHeaders(DtMail::Message * input)
else {
env->removeHeader(error, hl->header);
}
if (value) {
XtFree(value);
}
}
}
void
SendMsgDialog::changeHeaderState(const char * name)
@ -1727,9 +1725,7 @@ SendMsgDialog::include_file_cb( void *client_data, char *selection )
{
SendMsgDialog *obj = (SendMsgDialog *)client_data;
obj->include_file(selection);
if (NULL != selection)
XtFree(selection);
}
void

1
cde/programs/dtmail/dtmail/SpinBoxUiItem.C
View file

@ -86,7 +86,6 @@ void SpinBoxUiItem::writeFromSourceToUi()
options_spinbox_set_value(w, atoi(value), this->dirty_bit);
if (NULL != value)
free((void*) value);
}

1
cde/programs/dtmail/dtmail/WMSaveSession.C
View file

@ -181,7 +181,6 @@ RoamApp::openSessionFile(char *filename)
LOG_FPRINTF(log, (log,"Opened session file: %s\n",pathname));
LOG_CLOSEFILEPTR(log);
if (pathname != NULL)
XtFree((char *)pathname);
}

4
cde/programs/dtmail/dtmail/options_util.C
View file

@ -312,8 +312,8 @@ options_spinbox_modCB(
cbs->doit = FALSE;
XBell(dpy, 50);
}
if (NULL != text) XtFree(text);
if (NULL != textvalue) XtFree(textvalue);
XtFree(text);
XtFree(textvalue);
}
void

1
cde/programs/dtmail/dtmailpr/message.C
View file

@ -297,7 +297,6 @@ DmxMsg::display (void)
strcpy(v3_cs, "DEFAULT");
strcat(v3_cs, ".");
strcat(v3_cs, ret);
if (ret)
free(ret);
}

1
cde/programs/dtmail/libDtMail/Common/Session.C
View file

@ -1597,7 +1597,6 @@ DtMail::Session::targetTagName(char *special)
NULL,
&ret_codeset);
if (ret_locale)
free(ret_locale);
if (ret_lang)
free(ret_lang);

2
cde/programs/dtmail/libDtMail/RFC/MIMEBodyPart.C
View file

@ -382,7 +382,6 @@ MIMEBodyPart::getDtType(DtMailEnv & error)
error.clear();
if (type)
DtDtsFreeDataType(type);
if (mime_type)
free(mime_type);
if (name)
free(name);
@ -510,7 +509,6 @@ MIMEBodyPart::loadBody(DtMailEnv & error)
}
}
}
if ( cs )
free ( cs );
if ( from_cs )
free( from_cs );

2
cde/programs/dtmail/libDtMail/RFC/RFCMailBox.C
View file

@ -4963,7 +4963,7 @@ RFCMailBox::createMailRetrievalAgent(char *password)
appendCB, (void*) this);
if (NULL != _mra_server) _mra_server->set_password(_mra_serverpw);
if (NULL != protocol) free(protocol);
free(protocol);
}
else if (True == DtMailServer::get_mailrc_value(
_session, DTMAS_INBOX,

1
cde/programs/dtmail/libDtMail/RFC/RFCMailValues.C
View file

@ -170,7 +170,6 @@ decode1522(const char * enc_start, const char * max_end, char **output, DtMail::
free( from_cs );
if (NULL != to_cs)
free ( to_cs );
if (NULL != cs_name)
free(cs_name);
return(enc_end);

6
cde/programs/dtmail/libDtMail/RFC/SunV3.C
View file

@ -375,16 +375,14 @@ SunV3::formatBodies(DtMailEnv & error,
delete [] cbuf;
delete rd;
}
if (bp_contents) {
free(bp_contents);
bp_contents = NULL;
}
if (name) {
free(name);
name = NULL;
}
}
}
error.clear();

1
cde/programs/dtmail/libDtMail/RFC/V3BodyPart.C
View file

@ -590,7 +590,6 @@ V3BodyPart::loadBody(DtMailEnv &)
strcpy(cs, "DEFAULT");
strcat(cs, ".");
strcat(cs, ret);
if ( ret )
free( ret );
}
} // If cstmp is NULL