Move alloc.cc to maxbase

Only renames the functions. Macro names are left as is to keep the diff
small.

maxutils/maxbase/include/maxbase/alloc.h

@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2018 MariaDB Corporation Ab
+ *
+ * Use of this software is governed by the Business Source License included
+ * in the LICENSE.TXT file and at www.mariadb.com/bsl11.
+ *
+ * Change Date: 2022-01-01
+ *
+ * On the date above, in accordance with the Business Source License, use
+ * of this software will be governed by version 2 or later of the General
+ * Public License.
+ */
+#pragma once
+
+#include <maxbase/cdefs.h>
+
+MXB_BEGIN_DECLS
+
+/* NOTE: Do not use these functions directly, use the macros below. */
+// "caller" arg temporarily disabled so that existing code
+// using the previous version of mxs_alloc etc. will continue
+// to compile.
+void* mxb_malloc(size_t size    /*, const char *caller*/);
+void* mxb_calloc(size_t nmemb, size_t size    /*, const char *caller*/);
+void* mxb_realloc(void* ptr, size_t size    /*, const char *caller*/);
+void  mxb_free(void* ptr    /*, const char *caller*/);
+
+char* mxb_strdup(const char* s    /*, const char *caller*/);
+char* mxb_strndup(const char* s, size_t n    /*, const char *caller*/);
+
+char* mxb_strdup_a(const char* s    /*, const char *caller*/);
+char* mxb_strndup_a(const char* s, size_t n    /*, const char *caller*/);
+
+
+/*
+ * NOTE: USE these macros instead of the functions above.
+ */
+#define MXS_MALLOC(size)        mxb_malloc(size    /*, __func__*/)
+#define MXS_CALLOC(nmemb, size) mxb_calloc(nmemb, size    /*, __func__*/)
+#define MXS_REALLOC(ptr, size)  mxb_realloc(ptr, size    /*, __func__*/)
+#define MXS_FREE(ptr)           mxb_free(ptr    /*, __func__*/)
+
+#define MXS_STRDUP(s)     mxb_strdup(s    /*, __func__*/)
+#define MXS_STRNDUP(s, n) mxb_strndup(s, n    /*, __func__*/)
+
+#define MXS_STRDUP_A(s)     mxb_strdup_a(s    /*, __func__*/)
+#define MXS_STRNDUP_A(s, n) mxb_strndup_a(s, n    /*, __func__*/)
+
+MXB_END_DECLS