From 101ef99218eb95c83c7bce484bd69844a53f5325 Mon Sep 17 00:00:00 2001
From: Jason Hilder <jhilder95@gmail.com>
Date: Fri, 24 Jul 2026 08:20:55 +0200
Subject: [PATCH] Added valgrind option to build commands.

---
 build.sh | 38 +++++++++++++++++++++++++++++++++-----
 1 file changed, 33 insertions(+), 5 deletions(-)

diff --git a/build.sh b/build.sh
index 8c0718d..328d917 100755
--- a/build.sh
+++ b/build.sh
@@ -13,24 +13,27 @@ OPTIMIZED=0
 WEB=0
 CLEAN=0
 DEBUGGER=0
+VALGRIND=0
 
 usage() {
-	echo "Usage: $0 [-b] [-o] [-w] [-d] [-c] [-h]"
+	echo "Usage: $0 [-b] [-o] [-w] [-d] [-v] [-c] [-h]"
 	echo "  -b   build only, don't run"
 	echo "  -o   optimized release build (-o:speed, no debug info)"
 	echo "  -w   web/WASM build (js_wasm32 target)"
 	echo "  -d   build then launch in debugger instead of running"
+	echo "  -v   build then run under Valgrind"
 	echo "  -c   clean build artifacts"
 	echo "  -h   show this help"
 	exit 1
 }
 
-while getopts "bowdch" opt; do
+while getopts "bowdvch" opt; do
 	case $opt in
 		b) BUILD_ONLY=1 ;;
 		o) OPTIMIZED=1 ;;
 		w) WEB=1 ;;
 		d) DEBUGGER=1 ;;
+		v) VALGRIND=1 ;;
 		c) CLEAN=1 ;;
 		h) usage ;;
 		*) usage ;;
@@ -52,7 +55,7 @@ if [ "$WEB" -eq 1 ]; then
 		-out:"$OUT_DIR/$OUT_NAME.wasm" \
 		$( [ "$OPTIMIZED" -eq 1 ] && echo "-o:speed" || echo "-debug" )
 
-	# copy the JS glue/html shell if you keep one alongside the script
+	# Copy the HTML shell if one exists
 	if [ -f "web/index_template.html" ]; then
 		cp web/index_template.html "$OUT_DIR/index.html"
 	fi
@@ -63,18 +66,43 @@ fi
 
 if [ "$OPTIMIZED" -eq 1 ]; then
 	echo "Building optimized ($SRC_DIR -> $OUT_DIR/$OUT_NAME)..."
-	odin build "$SRC_DIR" -out:"$OUT_DIR/$OUT_NAME" -o:speed -no-bounds-check
+	odin build "$SRC_DIR" \
+		-out:"$OUT_DIR/$OUT_NAME" \
+		-o:speed \
+		-no-bounds-check
 else
 	echo "Building debug ($SRC_DIR -> $OUT_DIR/$OUT_NAME)..."
-	odin build "$SRC_DIR" -out:"$OUT_DIR/$OUT_NAME" -debug
+	odin build "$SRC_DIR" \
+		-out:"$OUT_DIR/$OUT_NAME" \
+		-debug
 fi
 
 echo "Build complete."
 
 if [ "$BUILD_ONLY" -eq 0 ]; then
 	echo "----------------------------------------"
+
 	if [ "$DEBUGGER" -eq 1 ]; then
 		lldb "$OUT_DIR/$OUT_NAME"
+
+	elif [ "$VALGRIND" -eq 1 ]; then
+        # --show-leak-kinds=definite,possible reduces tons of noise
+        # still shows the leaks you actually need to fix.
+		# to audit whole process, temporarily switch back to --show-leak-kinds=all
+    	valgrind \
+        --leak-check=full \
+        --show-leak-kinds=definite,possible \
+        --track-origins=yes \
+        --errors-for-leak-kinds=definite,possible \
+        --error-exitcode=1 \
+		--log-file="$OUT_DIR/valgrind.log" \
+		"./$OUT_DIR/$OUT_NAME"
+
+
+
+		echo
+		echo "Valgrind report written to $OUT_DIR/valgrind.log"
+
 	else
 		"./$OUT_DIR/$OUT_NAME"
 	fi