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Fix #1498: lv_label_set_text() crash (#1499)

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This routine tried to optimize a special case of setting the label text to the same address as previously set, but it did not consider whether the prior set was static and tried to realloc non-allocated memory.
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Bill Hargen 2020-05-15 13:42:50 -04:00 committed by GitHub
parent ac52b502a2
commit 7ac9388aed
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1 changed files with 1 additions and 1 deletions
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src/lv_objx/lv_label.c
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@ -188,7 +188,7 @@ void lv_label_set_text(lv_obj_t * label, const char * text)
LV_ASSERT_STR(text);
if(ext->text == text) {
if(ext->text == text && ext->static_txt == 0) {
/*If set its own text then reallocate it (maybe its size changed)*/
ext->text = lv_mem_realloc(ext->text, strlen(ext->text) + 1);
LV_ASSERT_MEM(ext->text);