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comparison lwlib/lwlib-Xlw.c @ 3462:6c7605dfcf07

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[xemacs-hg @ 2006-06-19 18:19:33 by james] Fix various problems found by static checkers: use of uninitialized values, dereferencing pointers before checking whether they are NULL, memory leaks, and incomplete checking of return values. <m3k67gpyhk.fsf@jerrypc.cs.usu.edu>
author james
date Mon, 19 Jun 2006 18:19:38 +0000
parents ad2f4ae9895b
children 383ab474a241
comparison
equal deleted inserted replaced
3461:fd2936bbfc5f 3462:6c7605dfcf07
156 widget_instance *instance = (widget_instance *) closure; 156 widget_instance *instance = (widget_instance *) closure;
157 LWLIB_ID id; 157 LWLIB_ID id;
158 XlwScrollBarCallbackStruct *data = 158 XlwScrollBarCallbackStruct *data =
159 (XlwScrollBarCallbackStruct *) call_data; 159 (XlwScrollBarCallbackStruct *) call_data;
160 scroll_event event_data; 160 scroll_event event_data;
161 scrollbar_values *val = 161 scrollbar_values *val;
162 (scrollbar_values *) instance->info->val->scrollbar_data;
163 double percent; 162 double percent;
164 163
165 if (!instance || widget->core.being_destroyed) 164 if (!instance || widget->core.being_destroyed)
166 return; 165 return;
167 166
167 val = (scrollbar_values *) instance->info->val->scrollbar_data;
168 id = instance->info->id; 168 id = instance->info->id;
169 169
170 percent = (double) (data->value - 1) / (double) (INT_MAX - 1); 170 percent = (double) (data->value - 1) / (double) (INT_MAX - 1);
171 event_data.slider_value = 171 event_data.slider_value =
172 (int) (percent * (double) (val->maximum - val->minimum)) + val->minimum; 172 (int) (percent * (double) (val->maximum - val->minimum)) + val->minimum;