gstrvbuilder: add addv and add_many to the API

docs/reference/glib/glib-sections.txt

@@ -1865,6 +1865,8 @@ g_strv_builder_new
 g_strv_builder_ref
 g_strv_builder_unref
 g_strv_builder_add
+g_strv_builder_addv
+g_strv_builder_add_many
 g_strv_builder_end
 
 <SUBSECTION>

glib/gstrvbuilder.c

@@ -1,5 +1,6 @@
 /*
  * Copyright © 2020 Canonical Ltd.
+ * Copyright © 2021 Alexandros Theodotou
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -21,6 +22,7 @@
 
 #include "garray.h"
 #include "gmem.h"
+#include "gmessages.h"
 
 /**
  * SECTION:gstrvbuilder
@@ -113,6 +115,48 @@ g_strv_builder_add (GStrvBuilder *builder,
   g_ptr_array_add (&builder->array, g_strdup (value));
 }
 
+/**
+ * g_strv_builder_addv:
+ * @builder: a #GStrvBuilder
+ * @value: (array zero-terminated=1): the vector of strings to add
+ *
+ * Appends all the strings in the given vector to the builder.
+ *
+ * Since 2.70
+ */
+void
+g_strv_builder_addv (GStrvBuilder *builder,
+                     const char **value)
+{
+  gsize i = 0;
+  g_return_if_fail (builder != NULL);
+  g_return_if_fail (value != NULL);
+  for (i = 0; value[i] != NULL; i++)
+    g_strv_builder_add (builder, value[i]);
+}
+
+/**
+ * g_strv_builder_add_many:
+ * @builder: a #GStrvBuilder
+ * @...: one or more strings followed by %NULL
+ *
+ * Appends all the given strings to the builder.
+ *
+ * Since 2.70
+ */
+void
+g_strv_builder_add_many (GStrvBuilder *builder,
+                         ...)
+{
+  va_list var_args;
+  const gchar *str;
+  g_return_if_fail (builder != NULL);
+  va_start (var_args, builder);
+  while ((str = va_arg (var_args, gchar *)) != NULL)
+    g_strv_builder_add (builder, str);
+  va_end (var_args);
+}
+
 /**
  * g_strv_builder_end:
  * @builder: a #GStrvBuilder

glib/gstrvbuilder.h

@@ -1,5 +1,6 @@
 /*
  * Copyright © 2020 Canonical Ltd.
+ * Copyright © 2021 Alexandros Theodotou
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -29,7 +30,7 @@ G_BEGIN_DECLS
 
 /**
  * GStrvBuilder:
- * 
+ *
  * A helper object to build a %NULL-terminated string array
  * by appending. See g_strv_builder_new().
  *
@@ -50,6 +51,14 @@ GLIB_AVAILABLE_IN_2_68
 void g_strv_builder_add (GStrvBuilder *builder,
                          const char *value);
 
+GLIB_AVAILABLE_IN_2_70
+void g_strv_builder_addv (GStrvBuilder *builder,
+                          const char **value);
+
+GLIB_AVAILABLE_IN_2_70
+void g_strv_builder_add_many (GStrvBuilder *builder,
+                              ...) G_GNUC_NULL_TERMINATED;
+
 GLIB_AVAILABLE_IN_2_68
 GStrv g_strv_builder_end (GStrvBuilder *builder);
 

glib/tests/strvbuilder.c

@@ -1,5 +1,6 @@
 /*
  * Copyright © 2020 Canonical Ltd.
+ * Copyright © 2021 Alexandros Theodotou
  *
  * This work is provided "as is"; redistribution and modification
  * in whole or in part, in any medium, physical or electronic is
@@ -55,6 +56,40 @@ test_strvbuilder_add (void)
   g_strv_builder_unref (builder);
 }
 
+static void
+test_strvbuilder_addv (void)
+{
+  GStrvBuilder *builder;
+  GStrv result;
+  const gchar *expected[] = { "one", "two", "three", NULL };
+
+  builder = g_strv_builder_new ();
+  g_strv_builder_addv (builder, expected);
+  result = g_strv_builder_end (builder);
+  g_assert_nonnull (result);
+  g_assert_cmpstrv ((const gchar *const *) result, expected);
+
+  g_strfreev (result);
+  g_strv_builder_unref (builder);
+}
+
+static void
+test_strvbuilder_add_many (void)
+{
+  GStrvBuilder *builder;
+  GStrv result;
+  const gchar *expected[] = { "one", "two", "three", NULL };
+
+  builder = g_strv_builder_new ();
+  g_strv_builder_add_many (builder, "one", "two", "three", NULL);
+  result = g_strv_builder_end (builder);
+  g_assert_nonnull (result);
+  g_assert_cmpstrv ((const gchar *const *) result, expected);
+
+  g_strfreev (result);
+  g_strv_builder_unref (builder);
+}
+
 static void
 test_strvbuilder_ref (void)
 {
@@ -74,6 +109,8 @@ main (int argc,
 
   g_test_add_func ("/strvbuilder/empty", test_strvbuilder_empty);
   g_test_add_func ("/strvbuilder/add", test_strvbuilder_add);
+  g_test_add_func ("/strvbuilder/addv", test_strvbuilder_addv);
+  g_test_add_func ("/strvbuilder/add_many", test_strvbuilder_add_many);
   g_test_add_func ("/strvbuilder/ref", test_strvbuilder_ref);
 
   return g_test_run ();