shared: add "nm-std-aux/nm-std-utils.[hc]"

General purpose utilities for nm-std-aux. Contrary to
"nm-std-aux.h", this is not header only.

Makefile.am

@@ -357,6 +357,8 @@ shared_nm_std_aux_libnm_std_aux_la_SOURCES = \
 	shared/nm-std-aux/c-list-util.h \
 	shared/nm-std-aux/nm-dbus-compat.h \
 	shared/nm-std-aux/nm-std-aux.h \
+	shared/nm-std-aux/nm-std-utils.c \
+	shared/nm-std-aux/nm-std-utils.h \
 	shared/nm-std-aux/unaligned.h \
 	$(NULL)
 

shared/meson.build

@@ -113,15 +113,17 @@ nm_test_utils_impl_source = files('nm-test-utils-impl.c')
 
 nm_vpn_plugin_utils_source = files('nm-utils/nm-vpn-plugin-utils.c')
 
-c_flags = [
-  '-DG_LOG_DOMAIN="@0@"'.format(libnm_name),
-  '-DNETWORKMANAGER_COMPILATION=0',
-]
-
 libnm_std_aux = static_library(
   'nm-std-aux',
-  sources: 'nm-std-aux/c-list-util.c',
-  c_args: c_flags,
+  sources: [
+    'nm-std-aux/c-list-util.c',
+    'nm-std-aux/nm-std-utils.c',
+  ],
+  include_directories: top_inc,
+  c_args: [
+    '-DG_LOG_DOMAIN="@0@"'.format(libnm_name),
+    '-DNETWORKMANAGER_COMPILATION=0',
+  ],
 )
 
 sources = files(

shared/nm-default.h

@@ -262,6 +262,7 @@ _nm_g_return_if_fail_warning (const char *log_domain,
 /*****************************************************************************/
 
 #include "nm-std-aux/nm-std-aux.h"
+#include "nm-std-aux/nm-std-utils.h"
 #include "nm-glib-aux/nm-macros-internal.h"
 #include "nm-glib-aux/nm-shared-utils.h"
 #include "nm-glib-aux/nm-errno.h"

shared/nm-std-aux/nm-std-utils.c

@@ -0,0 +1,6 @@
+// SPDX-License-Identifier: LGPL-2.1+
+
+#include "nm-default.h"
+
+#include "nm-std-utils.h"
+

shared/nm-std-aux/nm-std-utils.h

@@ -0,0 +1,6 @@
+// SPDX-License-Identifier: LGPL-2.1+
+
+#ifndef __NM_STD_UTILS_H__
+#define __NM_STD_UTILS_H__
+
+#endif /* __NM_STD_UTILS_H__ */