* Copyright (C) 1998 Tor Lillqvist
*
* This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
+ * modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
/*
- * Modified by the GLib Team and others 1997-1999. See the AUTHORS
+ * Modified by the GLib Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GLib Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GLib at ftp://ftp.gtk.org/pub/gtk/.
/*
* MT safe
*/
+#include "config.h"
#include <stdio.h>
#include <windows.h>
+#include <tlhelp32.h>
+
+#ifdef G_WITH_CYGWIN
+#include <sys/cygwin.h>
+#endif
+
static void
-set_error (void)
+set_error (const gchar *format,
+ ...)
{
- gchar *error = g_win32_error_message (GetLastError ());
+ gchar *error;
+ gchar *detail;
+ gchar *message;
+ va_list args;
+
+ error = g_win32_error_message (GetLastError ());
+
+ va_start (args, format);
+ detail = g_strdup_vprintf (format, args);
+ va_end (args);
+
+ message = g_strconcat (detail, error, NULL);
- g_module_set_error (error);
+ g_module_set_error (message);
+ g_free (message);
+ g_free (detail);
g_free (error);
}
/* --- functions --- */
static gpointer
_g_module_open (const gchar *file_name,
- gboolean bind_lazy)
+ gboolean bind_lazy,
+ gboolean bind_local)
{
HINSTANCE handle;
-
- handle = LoadLibrary (file_name);
+ wchar_t *wfilename;
+#ifdef G_WITH_CYGWIN
+ gchar tmp[MAX_PATH];
+
+ cygwin_conv_to_win32_path(file_name, tmp);
+ file_name = tmp;
+#endif
+ wfilename = g_utf8_to_utf16 (file_name, -1, NULL, NULL, NULL);
+
+ handle = LoadLibraryW (wfilename);
+ g_free (wfilename);
+
if (!handle)
- set_error ();
+ set_error ("'%s': ", file_name);
return handle;
}
+static gint dummy;
+static gpointer null_module_handle = &dummy;
+
static gpointer
_g_module_self (void)
{
- HMODULE handle;
-
- handle = GetModuleHandle (NULL);
- if (!handle)
- set_error ();
-
- return handle;
+ return null_module_handle;
}
static void
_g_module_close (gpointer handle,
gboolean is_unref)
{
- if (!FreeLibrary (handle))
- set_error ();
+ if (handle != null_module_handle)
+ if (!FreeLibrary (handle))
+ set_error ("");
+}
+
+static gpointer
+find_in_any_module_using_toolhelp (const gchar *symbol_name)
+{
+ HANDLE snapshot;
+ MODULEENTRY32 me32;
+
+ gpointer p;
+
+ if ((snapshot = CreateToolhelp32Snapshot (TH32CS_SNAPMODULE, 0)) == (HANDLE) -1)
+ return NULL;
+
+ me32.dwSize = sizeof (me32);
+ p = NULL;
+ if (Module32First (snapshot, &me32))
+ {
+ do {
+ if ((p = GetProcAddress (me32.hModule, symbol_name)) != NULL)
+ break;
+ } while (Module32Next (snapshot, &me32));
+ }
+
+ CloseHandle (snapshot);
+
+ return p;
+}
+
+static gpointer
+find_in_any_module (const gchar *symbol_name)
+{
+ gpointer result;
+
+ if ((result = find_in_any_module_using_toolhelp (symbol_name)) == NULL)
+ return NULL;
+ else
+ return result;
}
static gpointer
{
gpointer p;
- p = GetProcAddress (handle, symbol_name);
+ if (handle == null_module_handle)
+ {
+ if ((p = GetProcAddress (GetModuleHandle (NULL), symbol_name)) == NULL)
+ p = find_in_any_module (symbol_name);
+ }
+ else
+ p = GetProcAddress (handle, symbol_name);
+
if (!p)
- set_error ();
+ set_error ("");
return p;
}
const gchar *module_name)
{
gint k;
-
+
k = strlen (module_name);
+
if (directory && *directory)
- if (k > 4 && g_strcasecmp (module_name + k - 4, ".dll") == 0)
- return g_strconcat (directory, "\\", module_name, NULL);
+ if (k > 4 && g_ascii_strcasecmp (module_name + k - 4, ".dll") == 0)
+ return g_strconcat (directory, G_DIR_SEPARATOR_S, module_name, NULL);
+#ifdef G_WITH_CYGWIN
+ else if (strncmp (module_name, "lib", 3) == 0 || strncmp (module_name, "cyg", 3) == 0)
+ return g_strconcat (directory, G_DIR_SEPARATOR_S, module_name, ".dll", NULL);
+ else
+ return g_strconcat (directory, G_DIR_SEPARATOR_S, "cyg", module_name, ".dll", NULL);
+#else
+ else if (strncmp (module_name, "lib", 3) == 0)
+ return g_strconcat (directory, G_DIR_SEPARATOR_S, module_name, ".dll", NULL);
else
- return g_strconcat (directory, "\\", module_name, ".dll", NULL);
- else if (k > 4 && g_strcasecmp (module_name + k - 4, ".dll") == 0)
+ return g_strconcat (directory, G_DIR_SEPARATOR_S, "lib", module_name, ".dll", NULL);
+#endif
+ else if (k > 4 && g_ascii_strcasecmp (module_name + k - 4, ".dll") == 0)
return g_strdup (module_name);
+#ifdef G_WITH_CYGWIN
+ else if (strncmp (module_name, "lib", 3) == 0 || strncmp (module_name, "cyg", 3) == 0)
+ return g_strconcat (module_name, ".dll", NULL);
else
+ return g_strconcat ("cyg", module_name, ".dll", NULL);
+#else
+ else if (strncmp (module_name, "lib", 3) == 0)
return g_strconcat (module_name, ".dll", NULL);
+ else
+ return g_strconcat ("lib", module_name, ".dll", NULL);
+#endif
}
projects / platform / upstream / glib.git / blobdiff