Sanitize ci

Author: kolemannix

.github/workflows/c.yml

@@ -18,3 +18,13 @@ jobs:
       run: make example
     - name: Check dirty single-header
       run: git diff --exit-code ffc.h
+
+  sanitize:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Install dependencies
+      run: sudo apt-get update && sudo apt-get install -y clang gcc make python3
+    - name: make sanitize
+      run: make sanitize

Makefile

@@ -1,4 +1,4 @@
-.PHONY: test example
+.PHONY: test sanitize example
 
 # Detect linux and define _DEFAULT_SOURCE if so
 UNAME_S := $(shell uname -s)
@@ -7,6 +7,7 @@ ifeq ($(UNAME_S),Linux)
 endif
 
 CLANG_FLAGS := -xc -Wall -Wextra -Wpedantic -O3 -g -std=c99 $(EXTRA_CFLAGS)
+SANITIZE_FLAGS := -xc -Wall -Wextra -Wpedantic -O1 -g -std=c99 -fno-omit-frame-pointer -fsanitize=address,undefined $(EXTRA_CFLAGS)
 
 out/test_runner: ffc.h test_src/test.c | out
 	gcc -xc -Wall -Wextra -Wpedantic ffc.h -fsyntax-only
@@ -16,9 +17,19 @@ test: out/test_runner out/test_int_runner
 	./out/test_runner
 	./out/test_int_runner
 
+sanitize: out/test_runner_sanitize out/test_int_runner_sanitize
+	./out/test_runner_sanitize
+	./out/test_int_runner_sanitize
+
 out/test_int_runner: ffc.h test_src/test_int.c | out
 	clang $(CLANG_FLAGS) -I. -Itest_src test_src/test_int.c -o out/test_int_runner -lm
 
+out/test_runner_sanitize: ffc.h test_src/test.c | out
+	clang $(SANITIZE_FLAGS) -I. -Itest_src test_src/test.c -o out/test_runner_sanitize -lm
+
+out/test_int_runner_sanitize: ffc.h test_src/test_int.c | out
+	clang $(SANITIZE_FLAGS) -I. -Itest_src test_src/test_int.c -o out/test_int_runner_sanitize -lm
+
 ffc.h: src/ffc.h src/common.h src/parse.h src/digit_comparison.h src/api.h src/bigint.h amalgamate.py
 	python3 amalgamate.py > ffc.h
 
@@ -30,4 +41,3 @@ example: out/example
 
 out:
 	mkdir -p out
-