From: Dale Weiler <weilercdale@gmail.com>
Date: Fri, 1 Dec 2017 18:55:19 +0000 (-0500)
Subject: fix some UB
X-Git-Tag: xonotic-v0.8.5~27
X-Git-Url: https://git.xonotic.org/?p=xonotic%2Fgmqcc.git;a=commitdiff_plain;h=73d3d7eec1f9bbdf0f5905bf25d5d1f05aaf1995;hp=3cf2c52fce792af3e5cc5578b336de83217e625d;ds=sidebyside

fix some UB
---

diff --git a/parser.cpp b/parser.cpp
index 7e55232..9bfd751 100644
--- a/parser.cpp
+++ b/parser.cpp
@@ -347,7 +347,7 @@ static bool parser_sy_apply_operator(parser_t *parser, shunt *sy)
     const oper_info *op;
     lex_ctx_t ctx;
     ast_expression *out = nullptr;
-    ast_expression *exprs[3];
+    ast_expression *exprs[3] = { 0, 0, 0 };
     ast_block      *blocks[3];
     ast_binstore   *asbinstore;
     size_t i, assignop, addop, subop;
diff --git a/stat.cpp b/stat.cpp
index 1797536..5f85a1a 100644
--- a/stat.cpp
+++ b/stat.cpp
@@ -28,11 +28,12 @@ char *stat_mem_strdup(const char *src, bool empty) {
  * The reallocate function for resizing vectors.
  */
 void _util_vec_grow(void **a, size_t i, size_t s) {
-    vector_t *d = vec_meta(*a);
+    vector_t *d = nullptr;
     size_t m = 0;
     void *p = nullptr;
 
     if (*a) {
+        d = vec_meta(*a);
         m = 2 * d->allocated + i;
         p = mem_r(d, s * m + sizeof(vector_t));
     } else {