Add support for building with sanitizers

CMakeLists.txt

@@ -111,6 +111,12 @@ if (WITH_ZSTD)
     SET (CMAKE_C_FLAGS_DEBUG    "${CMAKE_C_FLAGS_DEBUG} -DWITH_ZSTD")
 endif()
 
+if (WITH_SANITIZERS)
+    message(WARNING "Building with sanitizers enabled!")
+    add_compile_options(-fsanitize=address -fsanitize=undefined -fsanitize=leak)
+    link_libraries(asan ubsan)
+endif()
+
 # Threaded XZ Compression
 # Note: This option is disabled by default, because Createrepo_c
 # parallelize a lot of tasks (including compression) by default, this

createrepo_c.spec

@@ -31,6 +31,8 @@
 %bcond_with legacy_hashes
 %endif
 
+%bcond_with sanitizers
+
 Summary:        Creates a common metadata repository
 Name:           createrepo_c
 Version:        1.0.0
@@ -77,6 +79,12 @@ BuildRequires:  drpm-devel >= 0.4.0
 BuildRequires:  pkgconfig(libzstd)
 %endif
 
+%if %{with sanitizers}
+BuildRequires:  libasan
+BuildRequires:  liblsan
+BuildRequires:  libubsan
+%endif
+
 %if 0%{?fedora} || 0%{?rhel} > 7
 Obsoletes:      createrepo < 0.11.0
 Provides:       createrepo = %{version}-%{release}
@@ -127,7 +135,8 @@ pushd build-py3
       -DWITH_LIBMODULEMD=%{?with_libmodulemd:ON}%{!?with_libmodulemd:OFF} \
       -DWITH_LEGACY_HASHES=%{?with_legacy_hashes:ON}%{!?with_legacy_hashes:OFF} \
       -DENABLE_DRPM=%{?with_drpm:ON}%{!?with_drpm:OFF} \
-      -DWITH_ZSTD=%{?with_zstd:ON}%{!?with_zstd:OFF}
+      -DWITH_ZSTD=%{?with_zstd:ON}%{!?with_zstd:OFF} \
+      -DWITH_SANITIZERS=%{?with_sanitizers:ON}%{!?with_sanitizers:OFF}
   make %{?_smp_mflags} RPM_OPT_FLAGS="%{optflags}"
   # Build C documentation
   make doc-c