[usb-moded] Add usbmoded_get_modedata() function

Iterating mode lists is cumbersome and might not be safe when done from
the worker thread.

As an enabler for removing custom list iterators, implement common
usbmoded_get_modedata() function for locating mode data by name.

Signed-off-by: Simo Piiroinen <simo.piiroinen@jollamobile.com>

src/usb_moded.c

@@ -106,28 +106,29 @@
  * USBMODED
  * ------------------------------------------------------------------------- */
 
-GList           *usbmoded_get_modelist              (void);
-void             usbmoded_load_modelist             (void);
-void             usbmoded_free_modelist             (void);
-bool             usbmoded_get_rescue_mode           (void);
-void             usbmoded_set_rescue_mode           (bool rescue_mode);
-bool             usbmoded_get_diag_mode             (void);
-void             usbmoded_set_diag_mode             (bool diag_mode);
-void             usbmoded_set_cable_connection_delay(int delay_ms);
-int              usbmoded_get_cable_connection_delay(void);
-static gboolean  usbmoded_allow_suspend_timer_cb    (gpointer aptr);
-void             usbmoded_allow_suspend             (void);
-void             usbmoded_delay_suspend             (void);
-bool             usbmoded_can_export                (void);
-bool             usbmoded_init_done_p               (void);
-void             usbmoded_set_init_done             (bool reached);
-void             usbmoded_probe_init_done           (void);
-void             usbmoded_exit_mainloop             (int exitcode);
-void             usbmoded_handle_signal             (int signum);
-static bool      usbmoded_init                      (void);
-static void      usbmoded_cleanup                   (void);
-static void      usbmoded_usage                     (void);
-static void      usbmoded_parse_options             (int argc, char *argv[]);
+GList            *usbmoded_get_modelist              (void);
+void              usbmoded_load_modelist             (void);
+void              usbmoded_free_modelist             (void);
+const modedata_t *usbmoded_get_modedata              (const char *modename);
+bool              usbmoded_get_rescue_mode           (void);
+void              usbmoded_set_rescue_mode           (bool rescue_mode);
+bool              usbmoded_get_diag_mode             (void);
+void              usbmoded_set_diag_mode             (bool diag_mode);
+void              usbmoded_set_cable_connection_delay(int delay_ms);
+int               usbmoded_get_cable_connection_delay(void);
+static gboolean   usbmoded_allow_suspend_timer_cb    (gpointer aptr);
+void              usbmoded_allow_suspend             (void);
+void              usbmoded_delay_suspend             (void);
+bool              usbmoded_can_export                (void);
+bool              usbmoded_init_done_p               (void);
+void              usbmoded_set_init_done             (bool reached);
+void              usbmoded_probe_init_done           (void);
+void              usbmoded_exit_mainloop             (int exitcode);
+void              usbmoded_handle_signal             (int signum);
+static bool       usbmoded_init                      (void);
+static void       usbmoded_cleanup                   (void);
+static void       usbmoded_usage                     (void);
+static void       usbmoded_parse_options             (int argc, char *argv[]);
 
 /* ------------------------------------------------------------------------- *
  * MAIN
@@ -189,6 +190,21 @@ usbmoded_free_modelist(void)
     }
 }
 
+const modedata_t *
+usbmoded_get_modedata(const char *modename)
+{
+    modedata_t *modedata = 0;
+
+    for( GList *iter = usbmoded_get_modelist(); iter; iter = g_list_next(iter) ) {
+        modedata_t *data = iter->data;
+        if( !g_strcmp0(data->mode_name, modename) ) {
+            modedata = data;
+            break;
+        }
+    }
+    return modedata;
+}
+
 /* ------------------------------------------------------------------------- *
  * RESCUE_MODE
  * ------------------------------------------------------------------------- */

src/usb_moded.h

@@ -32,6 +32,8 @@
 #  include "../config.h" // NOTRIM
 # endif
 
+# include "usb_moded-dyn-config.h"
+
 # include <stdbool.h>
 # include <stdio.h>
 
@@ -64,23 +66,24 @@
  * USBMODED
  * ------------------------------------------------------------------------- */
 
-GList *usbmoded_get_modelist              (void);
-void   usbmoded_load_modelist             (void);
-void   usbmoded_free_modelist             (void);
-bool   usbmoded_get_rescue_mode           (void);
-void   usbmoded_set_rescue_mode           (bool rescue_mode);
-bool   usbmoded_get_diag_mode             (void);
-void   usbmoded_set_diag_mode             (bool diag_mode);
-void   usbmoded_set_cable_connection_delay(int delay_ms);
-int    usbmoded_get_cable_connection_delay(void);
-void   usbmoded_allow_suspend             (void);
-void   usbmoded_delay_suspend             (void);
-bool   usbmoded_can_export                (void);
-bool   usbmoded_init_done_p               (void);
-void   usbmoded_set_init_done             (bool reached);
-void   usbmoded_probe_init_done           (void);
-void   usbmoded_exit_mainloop             (int exitcode);
-void   usbmoded_handle_signal             (int signum);
+GList            *usbmoded_get_modelist              (void);
+void              usbmoded_load_modelist             (void);
+void              usbmoded_free_modelist             (void);
+const modedata_t *usbmoded_get_modedata              (const char *modename);
+bool              usbmoded_get_rescue_mode           (void);
+void              usbmoded_set_rescue_mode           (bool rescue_mode);
+bool              usbmoded_get_diag_mode             (void);
+void              usbmoded_set_diag_mode             (bool diag_mode);
+void              usbmoded_set_cable_connection_delay(int delay_ms);
+int               usbmoded_get_cable_connection_delay(void);
+void              usbmoded_allow_suspend             (void);
+void              usbmoded_delay_suspend             (void);
+bool              usbmoded_can_export                (void);
+bool              usbmoded_init_done_p               (void);
+void              usbmoded_set_init_done             (bool reached);
+void              usbmoded_probe_init_done           (void);
+void              usbmoded_exit_mainloop             (int exitcode);
+void              usbmoded_handle_signal             (int signum);
 
 /* ------------------------------------------------------------------------- *
  * MAIN