1 files changed, 39 insertions, 0 deletions
diff --git a/src/common/compat.c b/src/common/compat.c
new file mode 100644
index 0000000..f7394c8
--- /dev/null
+++ b/src/common/compat.c
@@ -0,0 +1,39 @@
+/*
+ * blogc: A blog compiler.
+ * Copyright (C) 2014-2019 Rafael G. Martins <rafael@rafaelmartins.eng.br>
+ *
+ * This program can be distributed under the terms of the BSD License.
+ * See the file LICENSE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif /* HAVE_CONFIG_H */
+
+#ifdef HAVE_SYS_WAIT_H
+#include <sys/wait.h>
+#endif /* HAVE_SYS_WAIT_H */
+
+#include <signal.h>
+#include "compat.h"
+
+
+int
+bc_compat_status_code(int waitstatus)
+{
+    int rv = waitstatus;
+#if defined(WIFEXITED) && defined(WEXITSTATUS) && defined(WIFSIGNALED) && defined(WTERMSIG)
+    if (WIFEXITED(waitstatus)) {
+        rv = WEXITSTATUS(waitstatus);
+    }
+    else if (WIFSIGNALED(waitstatus)) {
+        rv = WTERMSIG(waitstatus);
+        rv += 128;
+    }
+#elif defined(WIN32) || defined(_WIN32)
+    if (waitstatus == 3) {
+        rv = SIGTERM + 128;  // can't get signal on windows.
+    }
+#endif
+    return rv;
+}