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Fix potential divisions by 0 reported by MSVC 

The `TextEdit` one was indeed a potential bug.
The `PCKPacker` one seems to be a false positive, it's already in a
`for` loop that depends on `files.size()`.

(cherry picked from commit ca4e4506db)
This commit is contained in:
Rémi Verschelde 2020-03-21 09:50:19 +01:00
parent 7bfb7df673
commit 040254ef7c
2 changed files with 11 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
core/io/pck_packer.cpp
View File

@ -162,7 +162,7 @@ Error PCKPacker::flush(bool p_verbose) {
src->close(); src->close();
memdelete(src); memdelete(src);
count += 1; count += 1;
if (p_verbose) { if (p_verbose && files.size() > 0) {
if (count % 100 == 0) { if (count % 100 == 0) {
printf("%i/%i (%.2f)\r", count, files.size(), float(count) / files.size() * 100); printf("%i/%i (%.2f)\r", count, files.size(), float(count) / files.size() * 100);
fflush(stdout); fflush(stdout);

19
scene/gui/text_edit.cpp
View File

@ -1360,7 +1360,7 @@ void TextEdit::_notification(int p_what) {
} }
bool completion_below = false; bool completion_below = false;
if (completion_active) { if (completion_active && completion_options.size() > 0) {
// code completion box // code completion box
Ref<StyleBox> csb = get_stylebox("completion"); Ref<StyleBox> csb = get_stylebox("completion");
int maxlines = get_constant("completion_lines"); int maxlines = get_constant("completion_lines");
@ -1368,13 +1368,14 @@ void TextEdit::_notification(int p_what) {
int scrollw = get_constant("completion_scroll_width"); int scrollw = get_constant("completion_scroll_width");
Color scrollc = get_color("completion_scroll_color"); Color scrollc = get_color("completion_scroll_color");
int lines = MIN(completion_options.size(), maxlines); const int completion_options_size = completion_options.size();
int lines = MIN(completion_options_size, maxlines);
int w = 0; int w = 0;
int h = lines * get_row_height(); int h = lines * get_row_height();
int nofs = cache.font->get_string_size(completion_base).width; int nofs = cache.font->get_string_size(completion_base).width;
if (completion_options.size() < 50) { if (completion_options_size < 50) {
for (int i = 0; i < completion_options.size(); i++) { for (int i = 0; i < completion_options_size; i++) {
int w2 = MIN(cache.font->get_string_size(completion_options[i]).x, cmax_width); int w2 = MIN(cache.font->get_string_size(completion_options[i]).x, cmax_width);
if (w2 > w) if (w2 > w)
w = w2; w = w2;
@ -1400,7 +1401,7 @@ void TextEdit::_notification(int p_what) {
completion_rect.size.width = w + 2; completion_rect.size.width = w + 2;
completion_rect.size.height = h; completion_rect.size.height = h;
if (completion_options.size() <= maxlines) if (completion_options_size <= maxlines)
scrollw = 0; scrollw = 0;
draw_style_box(csb, Rect2(completion_rect.position - csb->get_offset(), completion_rect.size + csb->get_minimum_size() + Size2(scrollw, 0))); draw_style_box(csb, Rect2(completion_rect.position - csb->get_offset(), completion_rect.size + csb->get_minimum_size() + Size2(scrollw, 0)));
@ -1408,14 +1409,14 @@ void TextEdit::_notification(int p_what) {
if (cache.completion_background_color.a > 0.01) { if (cache.completion_background_color.a > 0.01) {
VisualServer::get_singleton()->canvas_item_add_rect(ci, Rect2(completion_rect.position, completion_rect.size + Size2(scrollw, 0)), cache.completion_background_color); VisualServer::get_singleton()->canvas_item_add_rect(ci, Rect2(completion_rect.position, completion_rect.size + Size2(scrollw, 0)), cache.completion_background_color);
} }
int line_from = CLAMP(completion_index - lines / 2, 0, completion_options.size() - lines); int line_from = CLAMP(completion_index - lines / 2, 0, completion_options_size - lines);
VisualServer::get_singleton()->canvas_item_add_rect(ci, Rect2(Point2(completion_rect.position.x, completion_rect.position.y + (completion_index - line_from) * get_row_height()), Size2(completion_rect.size.width, get_row_height())), cache.completion_selected_color); VisualServer::get_singleton()->canvas_item_add_rect(ci, Rect2(Point2(completion_rect.position.x, completion_rect.position.y + (completion_index - line_from) * get_row_height()), Size2(completion_rect.size.width, get_row_height())), cache.completion_selected_color);
draw_rect(Rect2(completion_rect.position, Size2(nofs, completion_rect.size.height)), cache.completion_existing_color); draw_rect(Rect2(completion_rect.position, Size2(nofs, completion_rect.size.height)), cache.completion_existing_color);
for (int i = 0; i < lines; i++) { for (int i = 0; i < lines; i++) {
int l = line_from + i; int l = line_from + i;
ERR_CONTINUE(l < 0 || l >= completion_options.size()); ERR_CONTINUE(l < 0 || l >= completion_options_size);
Color text_color = cache.completion_font_color; Color text_color = cache.completion_font_color;
for (int j = 0; j < color_regions.size(); j++) { for (int j = 0; j < color_regions.size(); j++) {
if (completion_options[l].begins_with(color_regions[j].begin_key)) { if (completion_options[l].begins_with(color_regions[j].begin_key)) {
@ -1427,8 +1428,8 @@ void TextEdit::_notification(int p_what) {
if (scrollw) { if (scrollw) {
//draw a small scroll rectangle to show a position in the options //draw a small scroll rectangle to show a position in the options
float r = maxlines / (float)completion_options.size(); float r = (float)maxlines / completion_options_size;
float o = line_from / (float)completion_options.size(); float o = (float)line_from / completion_options_size;
draw_rect(Rect2(completion_rect.position.x + completion_rect.size.width, completion_rect.position.y + o * completion_rect.size.y, scrollw, completion_rect.size.y * r), scrollc); draw_rect(Rect2(completion_rect.position.x + completion_rect.size.width, completion_rect.position.y + o * completion_rect.size.y, scrollw, completion_rect.size.y * r), scrollc);
} }