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Backport of:

From be8834340a2d928ece82025463ae23dee2c333d0 Mon Sep 17 00:00:00 2001
From: Philip Withnall <pwithnall@endlessos.org>
Date: Thu, 4 Feb 2021 13:37:56 +0000
Subject: [PATCH 02/11] gio: Use g_memdup2() instead of g_memdup() in obvious
 places
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Convert all the call sites which use `g_memdup()`’s length argument
trivially (for example, by passing a `sizeof()`), so that they use
`g_memdup2()` instead.

In almost all of these cases the use of `g_memdup()` would not have
caused problems, but it will soon be deprecated, so best port away from
it.

Signed-off-by: Philip Withnall <pwithnall@endlessos.org>
Helps: #2319
---
 gio/gdbusconnection.c                 | 5 +++--
 gio/gdbusinterfaceskeleton.c          | 3 ++-
 gio/gfile.c                           | 7 ++++---
 gio/gsettingsschema.c                 | 5 +++--
 gio/gwin32registrykey.c               | 8 +++++---
 gio/tests/async-close-output-stream.c | 6 ++++--
 gio/tests/gdbus-export.c              | 5 +++--
 gio/win32/gwinhttpfile.c              | 9 +++++----
 8 files changed, 29 insertions(+), 19 deletions(-)

diff --git a/gio/gdbusconnection.c b/gio/gdbusconnection.c
index f1f0921d4..d56453486 100644
--- a/gio/gdbusconnection.c
+++ b/gio/gdbusconnection.c
@@ -110,6 +110,7 @@
 #include "gasyncinitable.h"
 #include "giostream.h"
 #include "gasyncresult.h"
+#include "gstrfuncsprivate.h"
 #include "gtask.h"
 #include "gmarshal-internal.h"
 
@@ -3997,7 +3998,7 @@ _g_dbus_interface_vtable_copy (const GDBusInterfaceVTable *vtable)
   /* Don't waste memory by copying padding - remember to update this
    * when changing struct _GDBusInterfaceVTable in gdbusconnection.h
    */
-  return g_memdup ((gconstpointer) vtable, 3 * sizeof (gpointer));
+  return g_memdup2 ((gconstpointer) vtable, 3 * sizeof (gpointer));
 }
 
 static void
@@ -4014,7 +4015,7 @@ _g_dbus_subtree_vtable_copy (const GDBusSubtreeVTable *vtable)
   /* Don't waste memory by copying padding - remember to update this
    * when changing struct _GDBusSubtreeVTable in gdbusconnection.h
    */
-  return g_memdup ((gconstpointer) vtable, 3 * sizeof (gpointer));
+  return g_memdup2 ((gconstpointer) vtable, 3 * sizeof (gpointer));
 }
 
 static void
diff --git a/gio/gdbusinterfaceskeleton.c b/gio/gdbusinterfaceskeleton.c
index 4a06516c1..4a4b719a5 100644
--- a/gio/gdbusinterfaceskeleton.c
+++ b/gio/gdbusinterfaceskeleton.c
@@ -28,6 +28,7 @@
 #include "gdbusmethodinvocation.h"
 #include "gdbusconnection.h"
 #include "gmarshal-internal.h"
+#include "gstrfuncsprivate.h"
 #include "gtask.h"
 #include "gioerror.h"
 
@@ -701,7 +702,7 @@ add_connection_locked (GDBusInterfaceSkeleton *interface_,
        * properly before building the hooked_vtable, so we create it
        * once at the last minute.
        */
-      interface_->priv->hooked_vtable = g_memdup (g_dbus_interface_skeleton_get_vtable (interface_), sizeof (GDBusInterfaceVTable));
+      interface_->priv->hooked_vtable = g_memdup2 (g_dbus_interface_skeleton_get_vtable (interface_), sizeof (GDBusInterfaceVTable));
       interface_->priv->hooked_vtable->method_call = skeleton_intercept_handle_method_call;
     }
 
diff --git a/gio/gfile.c b/gio/gfile.c
index ba93f7c75..88b341e7d 100644
--- a/gio/gfile.c
+++ b/gio/gfile.c
@@ -60,6 +60,7 @@
 #include "gasyncresult.h"
 #include "gioerror.h"
 #include "glibintl.h"
+#include "gstrfuncsprivate.h"
 
 
 /**
@@ -7884,7 +7885,7 @@ measure_disk_usage_progress (gboolean reporting,
   g_main_context_invoke_full (g_task_get_context (task),
                               g_task_get_priority (task),
                               measure_disk_usage_invoke_progress,
-                              g_memdup (&progress, sizeof progress),
+                              g_memdup2 (&progress, sizeof progress),
                               g_free);
 }
 
@@ -7902,7 +7903,7 @@ measure_disk_usage_thread (GTask        *task,
                                  data->progress_callback ? measure_disk_usage_progress : NULL, task,
                                  &result.disk_usage, &result.num_dirs, &result.num_files,
                                  &error))
-    g_task_return_pointer (task, g_memdup (&result, sizeof result), g_free);
+    g_task_return_pointer (task, g_memdup2 (&result, sizeof result), g_free);
   else
     g_task_return_error (task, error);
 }
@@ -7926,7 +7927,7 @@ g_file_real_measure_disk_usage_async (GFile                        *file,
 
   task = g_task_new (file, cancellable, callback, user_data);
   g_task_set_source_tag (task, g_file_real_measure_disk_usage_async);
-  g_task_set_task_data (task, g_memdup (&data, sizeof data), g_free);
+  g_task_set_task_data (task, g_memdup2 (&data, sizeof data), g_free);
   g_task_set_priority (task, io_priority);
 
   g_task_run_in_thread (task, measure_disk_usage_thread);
diff --git a/gio/gsettingsschema.c b/gio/gsettingsschema.c
index 3a60b8c64..dded9b1ca 100644
--- a/gio/gsettingsschema.c
+++ b/gio/gsettingsschema.c
@@ -20,6 +20,7 @@
 
 #include "gsettingsschema-internal.h"
 #include "gsettings.h"
+#include "gstrfuncsprivate.h"
 
 #include "gvdb/gvdb-reader.h"
 #include "strinfo.c"
@@ -1058,9 +1059,9 @@ g_settings_schema_list_children (GSettingsSchema *schema)
 
       if (g_str_has_suffix (key, "/"))
         {
-          gint length = strlen (key);
+          gsize length = strlen (key);
 
-          strv[j] = g_memdup (key, length);
+          strv[j] = g_memdup2 (key, length);
           strv[j][length - 1] = '\0';
           j++;
         }
diff --git a/gio/gwin32registrykey.c b/gio/gwin32registrykey.c
index c19fede4e..619fd48af 100644
--- a/gio/gwin32registrykey.c
+++ b/gio/gwin32registrykey.c
@@ -28,6 +28,8 @@
 #include <ntstatus.h>
 #include <winternl.h>
 
+#include "gstrfuncsprivate.h"
+
 #ifndef _WDMDDK_
 typedef enum _KEY_INFORMATION_CLASS {
   KeyBasicInformation,
@@ -247,7 +249,7 @@ g_win32_registry_value_iter_copy (const GWin32RegistryValueIter *iter)
   new_iter->value_name_size = iter->value_name_size;
 
   if (iter->value_data != NULL)
-    new_iter->value_data = g_memdup (iter->value_data, iter->value_data_size);
+    new_iter->value_data = g_memdup2 (iter->value_data, iter->value_data_size);
 
   new_iter->value_data_size = iter->value_data_size;
 
@@ -268,8 +270,8 @@ g_win32_registry_value_iter_copy (const GWin32RegistryValueIter *iter)
   new_iter->value_data_expanded_charsize = iter->value_data_expanded_charsize;
 
   if (iter->value_data_expanded_u8 != NULL)
-    new_iter->value_data_expanded_u8 = g_memdup (iter->value_data_expanded_u8,
-                                                 iter->value_data_expanded_charsize);
+    new_iter->value_data_expanded_u8 = g_memdup2 (iter->value_data_expanded_u8,
+                                                  iter->value_data_expanded_charsize);
 
   new_iter->value_data_expanded_u8_size = iter->value_data_expanded_charsize;
 
diff --git a/gio/tests/async-close-output-stream.c b/gio/tests/async-close-output-stream.c
index 5f6620275..d3f97a119 100644
--- a/gio/tests/async-close-output-stream.c
+++ b/gio/tests/async-close-output-stream.c
@@ -24,6 +24,8 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include "gstrfuncsprivate.h"
+
 #define DATA_TO_WRITE "Hello world\n"
 
 typedef struct
@@ -147,9 +149,9 @@ prepare_data (SetupData *data,
 
   data->expected_size = g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (data->data_stream));
 
-  g_assert_cmpint (data->expected_size, >, 0);
+  g_assert_cmpuint (data->expected_size, >, 0);
 
-  data->expected_output = g_memdup (written, (guint)data->expected_size);
+  data->expected_output = g_memdup2 (written, data->expected_size);
 
   /* then recreate the streams and prepare them for the asynchronous close */
   destroy_streams (data);
diff --git a/gio/tests/gdbus-export.c b/gio/tests/gdbus-export.c
index 506c7458a..5513306f8 100644
--- a/gio/tests/gdbus-export.c
+++ b/gio/tests/gdbus-export.c
@@ -23,6 +23,7 @@
 #include <string.h>
 
 #include "gdbus-tests.h"
+#include "gstrfuncsprivate.h"
 
 /* all tests rely on a shared mainloop */
 static GMainLoop *loop = NULL;
@@ -671,7 +672,7 @@ subtree_introspect (GDBusConnection       *connection,
       g_assert_not_reached ();
     }
 
-  return g_memdup (interfaces, 2 * sizeof (void *));
+  return g_memdup2 (interfaces, 2 * sizeof (void *));
 }
 
 static const GDBusInterfaceVTable *
@@ -727,7 +728,7 @@ dynamic_subtree_introspect (GDBusConnection       *connection,
 {
   const GDBusInterfaceInfo *interfaces[2] = { &dyna_interface_info, NULL };
 
-  return g_memdup (interfaces, 2 * sizeof (void *));
+  return g_memdup2 (interfaces, 2 * sizeof (void *));
 }
 
 static const GDBusInterfaceVTable *
diff --git a/gio/win32/gwinhttpfile.c b/gio/win32/gwinhttpfile.c
index cf5eed31d..040ee8564 100644
--- a/gio/win32/gwinhttpfile.c
+++ b/gio/win32/gwinhttpfile.c
@@ -29,6 +29,7 @@
 #include "gio/gfile.h"
 #include "gio/gfileattribute.h"
 #include "gio/gfileinfo.h"
+#include "gstrfuncsprivate.h"
 #include "gwinhttpfile.h"
 #include "gwinhttpfileinputstream.h"
 #include "gwinhttpfileoutputstream.h"
@@ -393,10 +394,10 @@ g_winhttp_file_resolve_relative_path (GFile      *file,
   child = g_object_new (G_TYPE_WINHTTP_FILE, NULL);
   child->vfs = winhttp_file->vfs;
   child->url = winhttp_file->url;
-  child->url.lpszScheme = g_memdup (winhttp_file->url.lpszScheme, (winhttp_file->url.dwSchemeLength+1)*2);
-  child->url.lpszHostName = g_memdup (winhttp_file->url.lpszHostName, (winhttp_file->url.dwHostNameLength+1)*2);
-  child->url.lpszUserName = g_memdup (winhttp_file->url.lpszUserName, (winhttp_file->url.dwUserNameLength+1)*2);
-  child->url.lpszPassword = g_memdup (winhttp_file->url.lpszPassword, (winhttp_file->url.dwPasswordLength+1)*2);
+  child->url.lpszScheme = g_memdup2 (winhttp_file->url.lpszScheme, (winhttp_file->url.dwSchemeLength+1)*2);
+  child->url.lpszHostName = g_memdup2 (winhttp_file->url.lpszHostName, (winhttp_file->url.dwHostNameLength+1)*2);
+  child->url.lpszUserName = g_memdup2 (winhttp_file->url.lpszUserName, (winhttp_file->url.dwUserNameLength+1)*2);
+  child->url.lpszPassword = g_memdup2 (winhttp_file->url.lpszPassword, (winhttp_file->url.dwPasswordLength+1)*2);
   child->url.lpszUrlPath = wnew_path;
   child->url.dwUrlPathLength = wcslen (wnew_path);
   child->url.lpszExtraInfo = NULL;
-- 
2.30.1


debug log:

solving 431959fa8f ...
found 431959fa8f in https://git.savannah.gnu.org/cgit/guix.git

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