glib-aux: move ssid utils from "libnm-core-impl" to "libnm-glib-aux"

The purpose is of course to be able to use it outside of the internal
API from libnm-core-intern.

src/core/devices/wifi/nm-device-wifi.c

@@ -1822,7 +1822,7 @@ _scan_kickoff(NMDeviceWifi *self)
 
             strv = g_new(char *, ssids->len + 1u);
             for (i = 0; i < ssids->len; i++)
-                strv[i] = _nm_utils_ssid_to_string(ssids->pdata[i]);
+                strv[i] = _nm_utils_ssid_to_string_gbytes(ssids->pdata[i]);
             strv[i] = NULL;
 
             nm_assert(ssids->len > 0);
@@ -1986,19 +1986,19 @@ supplicant_iface_bss_changed_cb(NMSupplicantInterface *iface,
 
         /* Let the manager try to fill in the SSID from seen-bssids lists */
         ssid = nm_wifi_ap_get_ssid(ap);
-        if (!ssid || _nm_utils_is_empty_ssid(ssid)) {
+        if (!ssid || _nm_utils_is_empty_ssid_gbytes(ssid)) {
             /* Try to fill the SSID from the AP database */
             try_fill_ssid_for_hidden_ap(self, ap);
 
             ssid = nm_wifi_ap_get_ssid(ap);
-            if (ssid && !_nm_utils_is_empty_ssid(ssid)) {
+            if (ssid && !_nm_utils_is_empty_ssid_gbytes(ssid)) {
                 gs_free char *s = NULL;
 
                 /* Yay, matched it, no longer treat as hidden */
                 _LOGD(LOGD_WIFI,
                       "matched hidden AP %s => %s",
                       nm_wifi_ap_get_address(ap),
-                      (s = _nm_utils_ssid_to_string(ssid)));
+                      (s = _nm_utils_ssid_to_string_gbytes(ssid)));
             } else {
                 /* Didn't have an entry for this AP in the database */
                 _LOGD(LOGD_WIFI, "failed to match hidden AP %s", nm_wifi_ap_get_address(ap));
@@ -2483,7 +2483,7 @@ supplicant_iface_state(NMDeviceWifi *             self,
                   "Activation: (wifi) Stage 2 of 5 (Device Configure) successful. %s %s",
                   priv->mode == NM_802_11_MODE_AP ? "Started Wi-Fi Hotspot"
                                                   : "Connected to wireless network",
-                  (ssid_str = _nm_utils_ssid_to_string(ssid)));
+                  (ssid_str = _nm_utils_ssid_to_string_gbytes(ssid)));
             nm_device_activate_schedule_stage3_ip_config_start(device);
         } else if (devstate == NM_DEVICE_STATE_ACTIVATED)
             periodic_update(self);
@@ -2599,9 +2599,9 @@ supplicant_iface_notify_current_bss(NMSupplicantInterface *iface,
         _LOGD(LOGD_WIFI,
               "roamed from BSSID %s (%s) to %s (%s)",
               old_bssid ?: "(none)",
-              (old_ssid_s = _nm_utils_ssid_to_string(old_ssid)),
+              (old_ssid_s = _nm_utils_ssid_to_string_gbytes(old_ssid)),
               new_bssid ?: "(none)",
-              (new_ssid_s = _nm_utils_ssid_to_string(new_ssid)));
+              (new_ssid_s = _nm_utils_ssid_to_string_gbytes(new_ssid)));
 
         if (new_bssid) {
             /* The new AP could be in a different layer 3 network

src/core/devices/wifi/nm-wifi-ap.c

@@ -517,7 +517,7 @@ nm_wifi_ap_to_string(const NMWifiAP *self, char *str_buf, gulong buf_len, gint64
                buf_len,
                "%17s %-35s [ %c %3u %3u%% %c%c %c%c W:%04X R:%04X ] %s sup:%s [nm:%s]",
                priv->address ?: "(none)",
-               (ssid_to_free = _nm_utils_ssid_to_string(priv->ssid)),
+               (ssid_to_free = _nm_utils_ssid_to_string_gbytes(priv->ssid)),
                (priv->mode == NM_802_11_MODE_ADHOC
                     ? '*'
                     : (priv->hotspot

src/libnm-core-impl/nm-utils.c

@@ -630,28 +630,7 @@ _nm_utils_ssid_to_utf8(GBytes *ssid)
 gboolean
 nm_utils_is_empty_ssid(const guint8 *ssid, gsize len)
 {
-    /* Single white space is for Linksys APs */
-    if (len == 1 && ssid[0] == ' ')
-        return TRUE;
-
-    /* Otherwise, if the entire ssid is 0, we assume it is hidden */
-    while (len--) {
-        if (ssid[len] != '\0')
-            return FALSE;
-    }
-    return TRUE;
-}
-
-gboolean
-_nm_utils_is_empty_ssid(GBytes *ssid)
-{
-    const guint8 *p;
-    gsize         l;
-
-    g_return_val_if_fail(ssid, FALSE);
-
-    p = g_bytes_get_data(ssid, &l);
-    return nm_utils_is_empty_ssid(p, l);
+    return _nm_utils_is_empty_ssid_arr(ssid, len);
 }
 
 #define ESSID_MAX_SIZE 32
@@ -695,38 +674,6 @@ nm_utils_escape_ssid(const guint8 *ssid, gsize len)
     return escaped;
 }
 
-char *
-_nm_utils_ssid_to_string_arr(const guint8 *ssid, gsize len)
-{
-    gs_free char *s_copy = NULL;
-    const char *  s_cnst;
-
-    if (len == 0)
-        return g_strdup("(empty)");
-
-    s_cnst =
-        nm_utils_buf_utf8safe_escape(ssid, len, NM_UTILS_STR_UTF8_SAFE_FLAG_ESCAPE_CTRL, &s_copy);
-    nm_assert(s_cnst);
-
-    if (nm_utils_is_empty_ssid(ssid, len))
-        return g_strdup_printf("\"%s\" (hidden)", s_cnst);
-
-    return g_strdup_printf("\"%s\"", s_cnst);
-}
-
-char *
-_nm_utils_ssid_to_string(GBytes *ssid)
-{
-    gconstpointer p;
-    gsize         l;
-
-    if (!ssid)
-        return g_strdup("(none)");
-
-    p = g_bytes_get_data(ssid, &l);
-    return _nm_utils_ssid_to_string_arr(p, l);
-}
-
 /**
  * nm_utils_same_ssid:
  * @ssid1: (array length=len1): the first SSID to compare

src/libnm-core-intern/nm-core-internal.h

@@ -484,10 +484,7 @@ gboolean _nm_dbus_error_has_name(GError *error, const char *dbus_error_name);
 
 /*****************************************************************************/
 
-char *   _nm_utils_ssid_to_string_arr(const guint8 *ssid, gsize len);
-char *   _nm_utils_ssid_to_string(GBytes *ssid);
-char *   _nm_utils_ssid_to_utf8(GBytes *ssid);
-gboolean _nm_utils_is_empty_ssid(GBytes *ssid);
+char *_nm_utils_ssid_to_utf8(GBytes *ssid);
 
 /*****************************************************************************/
 

src/libnm-glib-aux/nm-shared-utils.c

@@ -5739,3 +5739,64 @@ nm_utils_exp10(gint16 ex)
         return _exp10(ex);
     return 1.0 / _exp10(-((gint32) ex));
 }
+
+/*****************************************************************************/
+
+gboolean
+_nm_utils_is_empty_ssid_arr(const guint8 *ssid, gsize len)
+{
+    /* Single white space is for Linksys APs */
+    if (len == 1 && ssid[0] == ' ')
+        return TRUE;
+
+    /* Otherwise, if the entire ssid is 0, we assume it is hidden */
+    while (len--) {
+        if (ssid[len] != '\0')
+            return FALSE;
+    }
+    return TRUE;
+}
+
+gboolean
+_nm_utils_is_empty_ssid_gbytes(GBytes *ssid)
+{
+    const guint8 *p;
+    gsize         l;
+
+    g_return_val_if_fail(ssid, FALSE);
+
+    p = g_bytes_get_data(ssid, &l);
+    return _nm_utils_is_empty_ssid_arr(p, l);
+}
+
+char *
+_nm_utils_ssid_to_string_arr(const guint8 *ssid, gsize len)
+{
+    gs_free char *s_copy = NULL;
+    const char *  s_cnst;
+
+    if (len == 0)
+        return g_strdup("(empty)");
+
+    s_cnst =
+        nm_utils_buf_utf8safe_escape(ssid, len, NM_UTILS_STR_UTF8_SAFE_FLAG_ESCAPE_CTRL, &s_copy);
+    nm_assert(s_cnst);
+
+    if (_nm_utils_is_empty_ssid_arr(ssid, len))
+        return g_strdup_printf("\"%s\" (hidden)", s_cnst);
+
+    return g_strdup_printf("\"%s\"", s_cnst);
+}
+
+char *
+_nm_utils_ssid_to_string_gbytes(GBytes *ssid)
+{
+    gconstpointer p;
+    gsize         l;
+
+    if (!ssid)
+        return g_strdup("(none)");
+
+    p = g_bytes_get_data(ssid, &l);
+    return _nm_utils_ssid_to_string_arr(p, l);
+}

src/libnm-glib-aux/nm-shared-utils.h

@@ -2495,4 +2495,11 @@ gboolean nm_utils_name_to_uid(const char *name, uid_t *out_uid);
 
 double nm_utils_exp10(gint16 e);
 
+/*****************************************************************************/
+
+gboolean _nm_utils_is_empty_ssid_arr(const guint8 *ssid, gsize len);
+gboolean _nm_utils_is_empty_ssid_gbytes(GBytes *ssid);
+char *   _nm_utils_ssid_to_string_arr(const guint8 *ssid, gsize len);
+char *   _nm_utils_ssid_to_string_gbytes(GBytes *ssid);
+
 #endif /* __NM_SHARED_UTILS_H__ */