[db] add db_watch_enum_fetch() to return all watch_info

src/db.c

@@ -6530,8 +6530,8 @@ db_watch_cookie_known(uint32_t cookie)
 int
 db_watch_enum_start(struct watch_enum *we)
 {
-#define Q_MATCH_TMPL "SELECT wd FROM inotify WHERE path LIKE '%q/%%';"
+#define Q_MATCH_TMPL "SELECT wd,path FROM inotify WHERE path LIKE '%q/%%';"
-#define Q_COOKIE_TMPL "SELECT wd FROM inotify WHERE cookie = %" PRIi64 ";"
+#define Q_COOKIE_TMPL "SELECT wd,path FROM inotify WHERE cookie = %" PRIi64 ";"
   sqlite3_stmt *stmt;
   char *query;
   int ret;
@@ -6616,6 +6616,40 @@ db_watch_enum_fetchwd(struct watch_enum *we, uint32_t *wd)
   return 0;
 }
 
+int
+db_watch_enum_fetch(struct watch_enum *we, struct watch_info *wi)
+{
+  int ret;
+
+  wi->wd = 0;
+  wi->cookie = 0;
+
+  if (!we->stmt)
+    {
+      DPRINTF(E_LOG, L_DB, "Watch enum not started!\n");
+      return -1;
+    }
+
+  ret = db_blocking_step(we->stmt);
+  if (ret == SQLITE_DONE)
+    {
+      DPRINTF(E_INFO, L_DB, "End of watch enum results\n");
+      return 0;
+    }
+  else if (ret != SQLITE_ROW)
+    {
+      DPRINTF(E_LOG, L_DB, "Could not step: %s\n", sqlite3_errmsg(hdl));
+      return -1;
+    }
+
+  wi->wd = (uint32_t)sqlite3_column_int(we->stmt, 0);
+  if (wi->path)
+    snprintf(wi->path, PATH_MAX, (char*)sqlite3_column_text(we->stmt, 1));
+
+  return 0;
+}
+
+
 
 #ifdef DB_PROFILE
 static int

src/db.h

@@ -1026,7 +1026,10 @@ int
 db_watch_enum_fetchwd(struct watch_enum *we, uint32_t *wd);
 
 int
-db_backup(void);
+db_watch_enum_fetch(struct watch_enum *we, struct watch_info *wi);
+
+int
+db_backup();
 
 int
 db_perthread_init(void);