lib: Add mlibc

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 27 insertions, 0 deletions

diff --git a/lib/mlibc/options/internal/generic/global-config.cpp b/lib/mlibc/options/internal/generic/global-config.cpp
new file mode 100644
index 0000000..264a984
--- /dev/null
+++ b/lib/mlibc/options/internal/generic/global-config.cpp
@@ -0,0 +1,27 @@
+#include <stdlib.h>
+#include <string.h>
+#include <mlibc/global-config.hpp>
+
+namespace mlibc {
+
+struct GlobalConfigGuard {
+	GlobalConfigGuard();
+};
+
+GlobalConfigGuard guard;
+
+GlobalConfigGuard::GlobalConfigGuard() {
+	// Force the config to be created during initialization of libc.so.
+	mlibc::globalConfig();
+}
+
+static bool envEnabled(const char *env) {
+	auto value = getenv(env);
+	return value && *value && *value != '0';
+}
+
+GlobalConfig::GlobalConfig() {
+	debugMalloc = envEnabled("MLIBC_DEBUG_MALLOC");
+}
+
+}