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String safety (#1548)

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* Array size UB fixes

* Fix ShieldD

* Remove (almost) all unsafe strcpy calls

Bunch of macros. C arrays are easy enough and just need a different call. For various cases where a char* is passed around bare, I've made a TEXT_SPAN macro that can store a length too for bounds checking.

* Move crash handling in safe string operations to separate TU

* strcat safe version

* sprintf made safe too

* Fix compile
This commit is contained in:
Pieter-Jan Briers
2026-05-24 18:43:00 +02:00
committed by GitHub
parent af162bbd0a
commit a6376368ee
100 changed files with 781 additions and 546 deletions
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src/d/d_menu_ring.cpp
+1 -1
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@@ -1203,7 +1203,7 @@ void dMenu_Ring_c::setNameString(u32 i_stringID) {
if (mNameStringID != i_stringID) {
for (int i = 0; i < 4; i++) {
if (i_stringID == 0) {
strcpy(textBox[i]->getStringPtr(), "");
SAFE_STRCPY(textBox[i]->getStringPtr(), "");
} else {
mpString->getString(i_stringID, textBox[i], NULL, NULL, NULL, 0);
}