Merge remote-tracking branch 'upstream/dev' into mfkeyfour

lib/toolbox/str_buffer.c

@@ -0,0 +1,18 @@
+#include "str_buffer.h"
+
+const char* str_buffer_make_owned_clone(StrBuffer* buffer, const char* str) {
+    char* owned = strdup(str);
+    buffer->n_owned_strings++;
+    buffer->owned_strings =
+        realloc(buffer->owned_strings, buffer->n_owned_strings * sizeof(const char*)); // -V701
+    buffer->owned_strings[buffer->n_owned_strings - 1] = owned;
+    return owned;
+}
+
+void str_buffer_clear_all_clones(StrBuffer* buffer) {
+    for(size_t i = 0; i < buffer->n_owned_strings; i++) {
+        free(buffer->owned_strings[i]);
+    }
+    free(buffer->owned_strings);
+    buffer->owned_strings = NULL;
+}