1 files changed, 27 insertions, 0 deletions
diff --git a/common.h b/common.h
new file mode 100644
index 0000000..b8c38e0
--- /dev/null
+++ b/common.h
@@ -0,0 +1,27 @@
+#ifndef DO_COMMON_H
+#define DO_COMMON_H
+
+#include <stdlib.h>
+#include <ctype.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "str.h"
+#include "target.h"
+#include "targetlist.h"
+
+#define safe_free(PTR) { \
+    do { \
+        free((PTR)); \
+        (PTR) = NULL; \
+    } while (0); \
+}
+
+#define safe_free_array(PTR, LEN) { \
+    do { \
+        for (size_t p = 0; p < (LEN); p++) { free((PTR)[p]); } \
+        free((PTR)); \
+    } while (0); \
+}
+
+#endif //DO_COMMON_H
+\ No newline at end of file