began work on a msg command

libdc/src/account.c

@@ -282,6 +282,13 @@ char const *dc_account_fullname(dc_account_t a)
     return a->full;
 }
 
+bool dc_account_equal(dc_account_t a, dc_account_t b)
+{
+    return_if_true(a == NULL && b == NULL, true);
+    return_if_true(a == NULL || b == NULL, false);
+    return (strcmp(a->full, b->full) == 0);
+}
+
 void dc_account_set_friends(dc_account_t a, dc_account_t *friends, size_t len)
 {
     size_t i = 0;
@@ -293,6 +300,21 @@ void dc_account_set_friends(dc_account_t a, dc_account_t *friends, size_t len)
     }
 }
 
+dc_account_t dc_account_findfriend(dc_account_t a, char const *fullname)
+{
+    size_t i = 0;
+    return_if_true(a == NULL || fullname == NULL, NULL);
+
+    for (i = 0; i < a->friends->len; i++) {
+        dc_account_t f = g_ptr_array_index(a->friends, i);
+        if (strcmp(f->full, fullname) == 0) {
+            return f;
+        }
+    }
+
+    return NULL;
+}
+
 dc_account_t dc_account_nthfriend(dc_account_t a, size_t i)
 {
     return_if_true(a == NULL || a->friends == NULL, NULL);

libdc/src/api-channel.c

@@ -18,7 +18,7 @@ bool dc_api_create_channel(dc_api_t api, dc_account_t login,
     goto_if_true(url == NULL, cleanup);
 
     /* build a JSON object that contains one array called "recipients":
-     * {"recipients": ["snowflake#1", "snowflake#N"]}
+     * {"recipients": ["snowflake#1", ..., "snowflake#N"]}
      */
     data = json_object();
     array = json_array();
@@ -42,6 +42,7 @@ bool dc_api_create_channel(dc_api_t api, dc_account_t login,
     goto_if_true(c == NULL, cleanup);
 
     *channel = c;
+    ret = true;
 
 cleanup:
 

libdc/src/channel.c

@@ -225,3 +225,16 @@ void dc_channel_set_type(dc_channel_t c, dc_channel_type_t t)
     return_if_true(c == NULL,);
     c->type = t;
 }
+
+size_t dc_channel_recipients(dc_channel_t c)
+{
+    return_if_true(c == NULL || c->recipients == NULL, 0);
+    return c->recipients->len;
+}
+
+dc_account_t dc_channel_nthrecipient(dc_channel_t c, size_t i)
+{
+    return_if_true(c == NULL || c->recipients == NULL, NULL);
+    return_if_true(i >= c->recipients->len, NULL);
+    return g_ptr_array_index(c->recipients, i);
+}