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Bug 556415 - Crash on Windows 2000 in g_winhttp_vfs_init()

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2008-11-12  Tor Lillqvist  <tml@novell.com>

	Bug 556415 - Crash on Windows 2000 in g_winhttp_vfs_init()

	* win32/gwinhttpvfs.h: Move the set of function pointers to
	winhttp.dll into a separate struct GWinHttpDllFuncs. Just have a
	pointer to that in the GWinHttpVfsClass.
	
	* win32/gwinhttpvfs.c: Move the lookup of functions from
	winhttp.dll into a function of its own, that stores the pointers
	in a separate GWinHttpDllFuncs variable. Add two bookeeping
	booleans lookup_done and funcs_found.

	Don't call g_io_extension_point_implement() to register the
	winhttp extension unless winhttp.dll has been successfully loaded
	and the required functions found in it.

	* win32/gwinhttp*.c: Adjust calls of the functions looked up from
	winhttp.dll correspondingly.


svn path=/trunk/; revision=7648
This commit is contained in:
Tor Lillqvist 2008-11-12 17:52:39 +00:00 committed by Tor Lillqvist
parent d442b59022
commit 2f575b95ac
6 changed files with 123 additions and 60 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
gio/ChangeLog
View File

@ -1,3 +1,23 @@
2008-11-12 Tor Lillqvist <tml@novell.com>
Bug 556415 - Crash on Windows 2000 in g_winhttp_vfs_init()
* win32/gwinhttpvfs.h: Move the set of function pointers to
winhttp.dll into a separate struct GWinHttpDllFuncs. Just have a
pointer to that in the GWinHttpVfsClass.
* win32/gwinhttpvfs.c: Move the lookup of functions from
winhttp.dll into a function of its own, that stores the pointers
in a separate GWinHttpDllFuncs variable. Add two bookeeping
booleans lookup_done and funcs_found.
Don't call g_io_extension_point_implement() to register the
winhttp extension unless winhttp.dll has been successfully loaded
and the required functions found in it.
* win32/gwinhttp*.c: Adjust calls of the functions looked up from
winhttp.dll correspondingly.
2008-10-28 Cosimo Cecchi <cosimoc@gnome.org>
reviewed by: Alexander Larsson <alexl@redhat.com>

22
gio/win32/gwinhttpfile.c
View File

@ -107,7 +107,7 @@ _g_winhttp_file_new (GWinHttpVfs *vfs,
file->url.dwUrlPathLength = 1;
file->url.dwExtraInfoLength = 1;
if (!G_WINHTTP_VFS_GET_CLASS (vfs)->pWinHttpCrackUrl (wuri, 0, 0, &file->url))
if (!G_WINHTTP_VFS_GET_CLASS (vfs)->funcs->pWinHttpCrackUrl (wuri, 0, 0, &file->url))
{
g_free (wuri);
return NULL;
@ -120,7 +120,7 @@ _g_winhttp_file_new (GWinHttpVfs *vfs,
file->url.lpszUrlPath = g_new (wchar_t, ++file->url.dwUrlPathLength);
file->url.lpszExtraInfo = g_new (wchar_t, ++file->url.dwExtraInfoLength);
if (!G_WINHTTP_VFS_GET_CLASS (vfs)->pWinHttpCrackUrl (wuri, 0, 0, &file->url))
if (!G_WINHTTP_VFS_GET_CLASS (vfs)->funcs->pWinHttpCrackUrl (wuri, 0, 0, &file->url))
{
g_free (file->url.lpszScheme);
g_free (file->url.lpszHostName);
@ -193,13 +193,13 @@ g_winhttp_file_get_uri (GFile *file)
char *retval;
len = 0;
if (!G_WINHTTP_VFS_GET_CLASS (winhttp_file->vfs)->pWinHttpCreateUrl (&winhttp_file->url, ICU_ESCAPE, NULL, &len) &&
if (!G_WINHTTP_VFS_GET_CLASS (winhttp_file->vfs)->funcs->pWinHttpCreateUrl (&winhttp_file->url, ICU_ESCAPE, NULL, &len) &&
GetLastError () != ERROR_INSUFFICIENT_BUFFER)
return NULL;
wuri = g_new (wchar_t, ++len);
if (!G_WINHTTP_VFS_GET_CLASS (winhttp_file->vfs)->pWinHttpCreateUrl (&winhttp_file->url, ICU_ESCAPE, wuri, &len))
if (!G_WINHTTP_VFS_GET_CLASS (winhttp_file->vfs)->funcs->pWinHttpCreateUrl (&winhttp_file->url, ICU_ESCAPE, wuri, &len))
{
g_free (wuri);
return NULL;
@ -477,7 +477,7 @@ g_winhttp_file_query_info (GFile *file,
SYSTEMTIME last_modified;
DWORD last_modified_len;
connection = G_WINHTTP_VFS_GET_CLASS (winhttp_file->vfs)->pWinHttpConnect
connection = G_WINHTTP_VFS_GET_CLASS (winhttp_file->vfs)->funcs->pWinHttpConnect
(G_WINHTTP_VFS (winhttp_file->vfs)->session,
winhttp_file->url.lpszHostName,
winhttp_file->url.nPort,
@ -490,7 +490,7 @@ g_winhttp_file_query_info (GFile *file,
return NULL;
}
request = G_WINHTTP_VFS_GET_CLASS (winhttp_file->vfs)->pWinHttpOpenRequest
request = G_WINHTTP_VFS_GET_CLASS (winhttp_file->vfs)->funcs->pWinHttpOpenRequest
(connection,
L"HEAD",
winhttp_file->url.lpszUrlPath,
@ -506,7 +506,7 @@ g_winhttp_file_query_info (GFile *file,
return NULL;
}
if (!G_WINHTTP_VFS_GET_CLASS (winhttp_file->vfs)->pWinHttpSendRequest
if (!G_WINHTTP_VFS_GET_CLASS (winhttp_file->vfs)->funcs->pWinHttpSendRequest
(request,
NULL, 0,
NULL, 0,
@ -579,7 +579,7 @@ g_winhttp_file_query_info (GFile *file,
}
last_modified_len = sizeof (last_modified);
if (G_WINHTTP_VFS_GET_CLASS (winhttp_file->vfs)->pWinHttpQueryHeaders
if (G_WINHTTP_VFS_GET_CLASS (winhttp_file->vfs)->funcs->pWinHttpQueryHeaders
(request,
WINHTTP_QUERY_LAST_MODIFIED | WINHTTP_QUERY_FLAG_SYSTEMTIME,
NULL,
@ -617,7 +617,7 @@ g_winhttp_file_read (GFile *file,
NULL,
};
connection = G_WINHTTP_VFS_GET_CLASS (winhttp_file->vfs)->pWinHttpConnect
connection = G_WINHTTP_VFS_GET_CLASS (winhttp_file->vfs)->funcs->pWinHttpConnect
(G_WINHTTP_VFS (winhttp_file->vfs)->session,
winhttp_file->url.lpszHostName,
winhttp_file->url.nPort,
@ -630,7 +630,7 @@ g_winhttp_file_read (GFile *file,
return NULL;
}
request = G_WINHTTP_VFS_GET_CLASS (winhttp_file->vfs)->pWinHttpOpenRequest
request = G_WINHTTP_VFS_GET_CLASS (winhttp_file->vfs)->funcs->pWinHttpOpenRequest
(connection,
L"GET",
winhttp_file->url.lpszUrlPath,
@ -658,7 +658,7 @@ g_winhttp_file_create (GFile *file,
GWinHttpFile *winhttp_file = G_WINHTTP_FILE (file);
HINTERNET connection;
connection = G_WINHTTP_VFS_GET_CLASS (winhttp_file->vfs)->pWinHttpConnect
connection = G_WINHTTP_VFS_GET_CLASS (winhttp_file->vfs)->funcs->pWinHttpConnect
(G_WINHTTP_VFS (winhttp_file->vfs)->session,
winhttp_file->url.lpszHostName,
winhttp_file->url.nPort,

8
gio/win32/gwinhttpfileinputstream.c
View File

@ -65,9 +65,9 @@ g_winhttp_file_input_stream_finalize (GObject *object)
winhttp_stream = G_WINHTTP_FILE_INPUT_STREAM (object);
if (winhttp_stream->request != NULL)
G_WINHTTP_VFS_GET_CLASS (winhttp_stream->file->vfs)->pWinHttpCloseHandle (winhttp_stream->request);
G_WINHTTP_VFS_GET_CLASS (winhttp_stream->file->vfs)->funcs->pWinHttpCloseHandle (winhttp_stream->request);
if (winhttp_stream->connection != NULL)
G_WINHTTP_VFS_GET_CLASS (winhttp_stream->file->vfs)->pWinHttpCloseHandle (winhttp_stream->connection);
G_WINHTTP_VFS_GET_CLASS (winhttp_stream->file->vfs)->funcs->pWinHttpCloseHandle (winhttp_stream->connection);
G_OBJECT_CLASS (g_winhttp_file_input_stream_parent_class)->finalize (object);
}
@ -125,7 +125,7 @@ g_winhttp_file_input_stream_read (GInputStream *stream,
if (!winhttp_stream->request_sent)
{
if (!G_WINHTTP_VFS_GET_CLASS (winhttp_stream->file->vfs)->pWinHttpSendRequest
if (!G_WINHTTP_VFS_GET_CLASS (winhttp_stream->file->vfs)->funcs->pWinHttpSendRequest
(winhttp_stream->request,
NULL, 0,
NULL, 0,
@ -146,7 +146,7 @@ g_winhttp_file_input_stream_read (GInputStream *stream,
winhttp_stream->request_sent = TRUE;
}
if (!G_WINHTTP_VFS_GET_CLASS (winhttp_stream->file->vfs)->pWinHttpReadData
if (!G_WINHTTP_VFS_GET_CLASS (winhttp_stream->file->vfs)->funcs->pWinHttpReadData
(winhttp_stream->request, buffer, count, &bytes_read))
{
_g_winhttp_set_error (error, GetLastError (), "GET request");

16
gio/win32/gwinhttpfileoutputstream.c
View File

@ -64,7 +64,7 @@ g_winhttp_file_output_stream_finalize (GObject *object)
winhttp_stream = G_WINHTTP_FILE_OUTPUT_STREAM (object);
if (winhttp_stream->connection != NULL)
G_WINHTTP_VFS_GET_CLASS (winhttp_stream->file->vfs)->pWinHttpCloseHandle (winhttp_stream->connection);
G_WINHTTP_VFS_GET_CLASS (winhttp_stream->file->vfs)->funcs->pWinHttpCloseHandle (winhttp_stream->connection);
G_OBJECT_CLASS (g_winhttp_file_output_stream_parent_class)->finalize (object);
}
@ -121,7 +121,7 @@ g_winhttp_file_output_stream_write (GOutputStream *stream,
wchar_t *wheaders;
DWORD bytes_written;
request = G_WINHTTP_VFS_GET_CLASS (winhttp_stream->file->vfs)->pWinHttpOpenRequest
request = G_WINHTTP_VFS_GET_CLASS (winhttp_stream->file->vfs)->funcs->pWinHttpOpenRequest
(winhttp_stream->connection,
L"PUT",
winhttp_stream->file->url.lpszUrlPath,
@ -142,7 +142,7 @@ g_winhttp_file_output_stream_write (GOutputStream *stream,
wheaders = g_utf8_to_utf16 (headers, -1, NULL, NULL, NULL);
g_free (headers);
if (!G_WINHTTP_VFS_GET_CLASS (winhttp_stream->file->vfs)->pWinHttpSendRequest
if (!G_WINHTTP_VFS_GET_CLASS (winhttp_stream->file->vfs)->funcs->pWinHttpSendRequest
(request,
wheaders, -1,
NULL, 0,
@ -151,7 +151,7 @@ g_winhttp_file_output_stream_write (GOutputStream *stream,
{
_g_winhttp_set_error (error, GetLastError (), "PUT request");
G_WINHTTP_VFS_GET_CLASS (winhttp_stream->file->vfs)->pWinHttpCloseHandle (request);
G_WINHTTP_VFS_GET_CLASS (winhttp_stream->file->vfs)->funcs->pWinHttpCloseHandle (request);
g_free (wheaders);
return -1;
@ -159,12 +159,12 @@ g_winhttp_file_output_stream_write (GOutputStream *stream,
g_free (wheaders);
if (!G_WINHTTP_VFS_GET_CLASS (winhttp_stream->file->vfs)->pWinHttpWriteData
if (!G_WINHTTP_VFS_GET_CLASS (winhttp_stream->file->vfs)->funcs->pWinHttpWriteData
(request, buffer, count, &bytes_written))
{
_g_winhttp_set_error (error, GetLastError (), "PUT request");
G_WINHTTP_VFS_GET_CLASS (winhttp_stream->file->vfs)->pWinHttpCloseHandle (request);
G_WINHTTP_VFS_GET_CLASS (winhttp_stream->file->vfs)->funcs->pWinHttpCloseHandle (request);
return -1;
}
@ -176,12 +176,12 @@ g_winhttp_file_output_stream_write (GOutputStream *stream,
error,
"PUT request"))
{
G_WINHTTP_VFS_GET_CLASS (winhttp_stream->file->vfs)->pWinHttpCloseHandle (request);
G_WINHTTP_VFS_GET_CLASS (winhttp_stream->file->vfs)->funcs->pWinHttpCloseHandle (request);
return -1;
}
G_WINHTTP_VFS_GET_CLASS (winhttp_stream->file->vfs)->pWinHttpCloseHandle (request);
G_WINHTTP_VFS_GET_CLASS (winhttp_stream->file->vfs)->funcs->pWinHttpCloseHandle (request);
return bytes_written;
}

97
gio/win32/gwinhttpvfs.c
View File

@ -35,12 +35,61 @@
#include "gioalias.h"
static gboolean lookup_done = FALSE;
static gboolean funcs_found = FALSE;
static GWinHttpDllFuncs funcs;
static void
lookup_funcs (void)
{
HMODULE winhttp;
if (lookup_done)
return;
winhttp = LoadLibrary ("winhttp.dll");
if (winhttp != NULL)
{
funcs.pWinHttpCloseHandle = (BOOL (WINAPI *) (HINTERNET)) GetProcAddress (winhttp, "WinHttpCloseHandle");
funcs.pWinHttpCrackUrl = (BOOL (WINAPI *) (LPCWSTR,DWORD,DWORD,LPURL_COMPONENTS)) GetProcAddress (winhttp, "WinHttpCrackUrl");
funcs.pWinHttpConnect = (HINTERNET (WINAPI *) (HINTERNET,LPCWSTR,INTERNET_PORT,DWORD)) GetProcAddress (winhttp, "WinHttpConnect");
funcs.pWinHttpCreateUrl = (BOOL (WINAPI *) (LPURL_COMPONENTS,DWORD,LPWSTR,LPDWORD)) GetProcAddress (winhttp, "WinHttpCreateUrl");
funcs.pWinHttpOpen = (HINTERNET (WINAPI *) (LPCWSTR,DWORD,LPCWSTR,LPCWSTR,DWORD)) GetProcAddress (winhttp, "WinHttpOpen");
funcs.pWinHttpOpenRequest = (HINTERNET (WINAPI *) (HINTERNET,LPCWSTR,LPCWSTR,LPCWSTR,LPCWSTR,LPCWSTR*,DWORD)) GetProcAddress (winhttp, "WinHttpOpenRequest");
funcs.pWinHttpQueryDataAvailable = (BOOL (WINAPI *) (HINTERNET,LPDWORD)) GetProcAddress (winhttp, "WinHttpQueryDataAvailable");
funcs.pWinHttpQueryHeaders = (BOOL (WINAPI *) (HINTERNET,DWORD,LPCWSTR,LPVOID,LPDWORD,LPDWORD)) GetProcAddress (winhttp, "WinHttpQueryHeaders");
funcs.pWinHttpReadData = (BOOL (WINAPI *) (HINTERNET,LPVOID,DWORD,LPDWORD)) GetProcAddress (winhttp, "WinHttpReadData");
funcs.pWinHttpReceiveResponse = (BOOL (WINAPI *) (HINTERNET,LPVOID)) GetProcAddress (winhttp, "WinHttpReceiveResponse");
funcs.pWinHttpSendRequest = (BOOL (WINAPI *) (HINTERNET,LPCWSTR,DWORD,LPVOID,DWORD,DWORD,DWORD_PTR)) GetProcAddress (winhttp, "WinHttpSendRequest");
funcs.pWinHttpWriteData = (BOOL (WINAPI *) (HINTERNET,LPCVOID,DWORD,LPDWORD)) GetProcAddress (winhttp, "WinHttpWriteData");
if (funcs.pWinHttpCloseHandle &&
funcs.pWinHttpCrackUrl &&
funcs.pWinHttpConnect &&
funcs.pWinHttpCreateUrl &&
funcs.pWinHttpOpen &&
funcs.pWinHttpOpenRequest &&
funcs.pWinHttpQueryDataAvailable &&
funcs.pWinHttpQueryHeaders &&
funcs.pWinHttpReadData &&
funcs.pWinHttpReceiveResponse &&
funcs.pWinHttpSendRequest &&
funcs.pWinHttpWriteData)
funcs_found = TRUE;
}
lookup_done = TRUE;
}
#define g_winhttp_vfs_get_type _g_winhttp_vfs_get_type
G_DEFINE_TYPE_WITH_CODE (GWinHttpVfs, g_winhttp_vfs, G_TYPE_VFS,
g_io_extension_point_implement (G_VFS_EXTENSION_POINT_NAME,
g_define_type_id,
"winhttp",
10))
{
lookup_funcs ();
if (funcs_found)
g_io_extension_point_implement (G_VFS_EXTENSION_POINT_NAME,
g_define_type_id,
"winhttp",
10);
})
static const gchar *winhttp_uri_schemes[] = { "http", "https" };
@ -51,7 +100,7 @@ g_winhttp_vfs_finalize (GObject *object)
vfs = G_WINHTTP_VFS (object);
(G_WINHTTP_VFS_GET_CLASS (vfs)->pWinHttpCloseHandle) (vfs->session);
(G_WINHTTP_VFS_GET_CLASS (vfs)->funcs->pWinHttpCloseHandle) (vfs->session);
vfs->session = NULL;
if (vfs->wrapped_vfs)
@ -73,7 +122,7 @@ g_winhttp_vfs_init (GWinHttpVfs *vfs)
if (!wagent)
wagent = g_utf8_to_utf16 ("GWinHttpVfs", -1, NULL, NULL, NULL);
vfs->session = (G_WINHTTP_VFS_GET_CLASS (vfs)->pWinHttpOpen)
vfs->session = (G_WINHTTP_VFS_GET_CLASS (vfs)->funcs->pWinHttpOpen)
(wagent,
WINHTTP_ACCESS_TYPE_DEFAULT_PROXY,
WINHTTP_NO_PROXY_NAME,
@ -179,7 +228,6 @@ g_winhttp_vfs_class_init (GWinHttpVfsClass *class)
{
GObjectClass *object_class;
GVfsClass *vfs_class;
HMODULE winhttp;
object_class = (GObjectClass *) class;
@ -193,22 +241,11 @@ g_winhttp_vfs_class_init (GWinHttpVfsClass *class)
vfs_class->get_supported_uri_schemes = g_winhttp_vfs_get_supported_uri_schemes;
vfs_class->parse_name = g_winhttp_vfs_parse_name;
winhttp = LoadLibrary ("winhttp.dll");
if (winhttp != NULL)
{
class->pWinHttpCloseHandle = (BOOL (WINAPI *) (HINTERNET)) GetProcAddress (winhttp, "WinHttpCloseHandle");
class->pWinHttpCrackUrl = (BOOL (WINAPI *) (LPCWSTR,DWORD,DWORD,LPURL_COMPONENTS)) GetProcAddress (winhttp, "WinHttpCrackUrl");
class->pWinHttpConnect = (HINTERNET (WINAPI *) (HINTERNET,LPCWSTR,INTERNET_PORT,DWORD)) GetProcAddress (winhttp, "WinHttpConnect");
class->pWinHttpCreateUrl = (BOOL (WINAPI *) (LPURL_COMPONENTS,DWORD,LPWSTR,LPDWORD)) GetProcAddress (winhttp, "WinHttpCreateUrl");
class->pWinHttpOpen = (HINTERNET (WINAPI *) (LPCWSTR,DWORD,LPCWSTR,LPCWSTR,DWORD)) GetProcAddress (winhttp, "WinHttpOpen");
class->pWinHttpOpenRequest = (HINTERNET (WINAPI *) (HINTERNET,LPCWSTR,LPCWSTR,LPCWSTR,LPCWSTR,LPCWSTR*,DWORD)) GetProcAddress (winhttp, "WinHttpOpenRequest");
class->pWinHttpQueryDataAvailable = (BOOL (WINAPI *) (HINTERNET,LPDWORD)) GetProcAddress (winhttp, "WinHttpQueryDataAvailable");
class->pWinHttpQueryHeaders = (BOOL (WINAPI *) (HINTERNET,DWORD,LPCWSTR,LPVOID,LPDWORD,LPDWORD)) GetProcAddress (winhttp, "WinHttpQueryHeaders");
class->pWinHttpReadData = (BOOL (WINAPI *) (HINTERNET,LPVOID,DWORD,LPDWORD)) GetProcAddress (winhttp, "WinHttpReadData");
class->pWinHttpReceiveResponse = (BOOL (WINAPI *) (HINTERNET,LPVOID)) GetProcAddress (winhttp, "WinHttpReceiveResponse");
class->pWinHttpSendRequest = (BOOL (WINAPI *) (HINTERNET,LPCWSTR,DWORD,LPVOID,DWORD,DWORD,DWORD_PTR)) GetProcAddress (winhttp, "WinHttpSendRequest");
class->pWinHttpWriteData = (BOOL (WINAPI *) (HINTERNET,LPCVOID,DWORD,LPDWORD)) GetProcAddress (winhttp, "WinHttpWriteData");
}
lookup_funcs ();
if (funcs_found)
class->funcs = &funcs;
else
class->funcs = NULL;
}
char *
@ -297,7 +334,7 @@ _g_winhttp_response (GWinHttpVfs *vfs,
wchar_t *status_code;
DWORD status_code_len;
if (!G_WINHTTP_VFS_GET_CLASS (vfs)->pWinHttpReceiveResponse (request, NULL))
if (!G_WINHTTP_VFS_GET_CLASS (vfs)->funcs->pWinHttpReceiveResponse (request, NULL))
{
_g_winhttp_set_error (error, GetLastError (), what);
@ -305,7 +342,7 @@ _g_winhttp_response (GWinHttpVfs *vfs,
}
status_code_len = 0;
if (!G_WINHTTP_VFS_GET_CLASS (vfs)->pWinHttpQueryHeaders
if (!G_WINHTTP_VFS_GET_CLASS (vfs)->funcs->pWinHttpQueryHeaders
(request,
WINHTTP_QUERY_STATUS_CODE,
NULL,
@ -321,7 +358,7 @@ _g_winhttp_response (GWinHttpVfs *vfs,
status_code = g_malloc (status_code_len);
if (!G_WINHTTP_VFS_GET_CLASS (vfs)->pWinHttpQueryHeaders
if (!G_WINHTTP_VFS_GET_CLASS (vfs)->funcs->pWinHttpQueryHeaders
(request,
WINHTTP_QUERY_STATUS_CODE,
NULL,
@ -340,7 +377,7 @@ _g_winhttp_response (GWinHttpVfs *vfs,
wchar_t *status_text = NULL;
DWORD status_text_len;
if (!G_WINHTTP_VFS_GET_CLASS (vfs)->pWinHttpQueryHeaders
if (!G_WINHTTP_VFS_GET_CLASS (vfs)->funcs->pWinHttpQueryHeaders
(request,
WINHTTP_QUERY_STATUS_TEXT,
NULL,
@ -351,7 +388,7 @@ _g_winhttp_response (GWinHttpVfs *vfs,
{
status_text = g_malloc (status_text_len);
if (!G_WINHTTP_VFS_GET_CLASS (vfs)->pWinHttpQueryHeaders
if (!G_WINHTTP_VFS_GET_CLASS (vfs)->funcs->pWinHttpQueryHeaders
(request,
WINHTTP_QUERY_STATUS_TEXT,
NULL,
@ -388,7 +425,7 @@ _g_winhttp_query_header (GWinHttpVfs *vfs,
{
DWORD header_len = 0;
if (!G_WINHTTP_VFS_GET_CLASS (vfs)->pWinHttpQueryHeaders
if (!G_WINHTTP_VFS_GET_CLASS (vfs)->funcs->pWinHttpQueryHeaders
(request,
which_header,
NULL,
@ -403,7 +440,7 @@ _g_winhttp_query_header (GWinHttpVfs *vfs,
}
*header = g_malloc (header_len);
if (!G_WINHTTP_VFS_GET_CLASS (vfs)->pWinHttpQueryHeaders
if (!G_WINHTTP_VFS_GET_CLASS (vfs)->funcs->pWinHttpQueryHeaders
(request,
which_header,
NULL,

20
gio/win32/gwinhttpvfs.h
View File

@ -44,6 +44,7 @@ G_BEGIN_DECLS
#define G_WINHTTP_VFS_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), G_TYPE_WINHTTP_VFS, GWinHttpVfsClass))
typedef struct _GWinHttpVfs GWinHttpVfs;
typedef struct _GWinHttpDllFuncs GWinHttpDllFuncs;
typedef struct _GWinHttpVfsClass GWinHttpVfsClass;
struct _GWinHttpVfs
@ -54,14 +55,8 @@ struct _GWinHttpVfs
HINTERNET session;
};
struct _GWinHttpVfsClass
struct _GWinHttpDllFuncs
{
GVfsClass parent_class;
/* As there is no import library for winhttp.dll in mingw, we must
* look up the functions we need dynamically. Store the pointers
* here.
*/
BOOL (WINAPI *pWinHttpCloseHandle) (HINTERNET);
BOOL (WINAPI *pWinHttpCrackUrl) (LPCWSTR,DWORD,DWORD,LPURL_COMPONENTS);
HINTERNET (WINAPI *pWinHttpConnect) (HINTERNET,LPCWSTR,INTERNET_PORT,DWORD);
@ -76,6 +71,17 @@ struct _GWinHttpVfsClass
BOOL (WINAPI *pWinHttpWriteData) (HINTERNET,LPCVOID,DWORD,LPDWORD);
};
struct _GWinHttpVfsClass
{
GVfsClass parent_class;
/* As there is no import library for winhttp.dll in mingw, and
* winhttp.dll isn't present on Windows 2000 anyway, we must look up
* the functions we need dynamically. Store the pointers here.
*/
GWinHttpDllFuncs *funcs;
};
GType _g_winhttp_vfs_get_type (void) G_GNUC_CONST;