Merge pull request #33238 from qarmin/other_fixes

Fix some crashes, overflows and using variables without  values

3 files changed, 9 insertions, 2 deletions

diff --git a/core/image.cpp b/core/image.cpp
index 89d23b8dbd..74706535b3 100644
--- a/core/image.cpp
+++ b/core/image.cpp
@@ -1284,8 +1284,8 @@ static void _generate_po2_mipmap(const Component *p_src, Component *p_dst, uint3
 		Component *dst_ptr = &p_dst[i * dst_w * CC];
 		uint32_t count = dst_w;
 
-		while (count--) {
-
+		while (count) {
+			count--;
 			for (int j = 0; j < CC; j++) {
 				average_func(dst_ptr[j], rup_ptr[j], rup_ptr[j + right_step], rdown_ptr[j], rdown_ptr[j + right_step]);
 			}
@@ -1375,6 +1375,7 @@ void Image::shrink_x2() {
 		int ps = get_format_pixel_size(format);
 		new_img.resize((width / 2) * (height / 2) * ps);
 		ERR_FAIL_COND(new_img.size() == 0);
+		ERR_FAIL_COND(data.size() == 0);
 
 		{
 			PoolVector<uint8_t>::Write w = new_img.write();
diff --git a/core/ustring.cpp b/core/ustring.cpp
index f029ae4200..7ee2fee312 100644
--- a/core/ustring.cpp
+++ b/core/ustring.cpp
@@ -4058,6 +4058,11 @@ String itos(int64_t p_val) {
 	return String::num_int64(p_val);
 }
 
+String uitos(uint64_t p_val) {
+
+	return String::num_uint64(p_val);
+}
+
 String rtos(double p_val) {
 
 	return String::num(p_val);
diff --git a/core/ustring.h b/core/ustring.h
index 15e2c07d9f..dfc5044942 100644
--- a/core/ustring.h
+++ b/core/ustring.h
@@ -369,6 +369,7 @@ String operator+(const char *p_chr, const String &p_str);
 String operator+(CharType p_chr, const String &p_str);
 
 String itos(int64_t p_val);
+String uitos(uint64_t p_val);
 String rtos(double p_val);
 String rtoss(double p_val); //scientific version