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win32: implement shell link target resolving 

Adds a function to resolve the target of a shell link (Windows shortcut)
for use by other parts of mpv.
This commit is contained in:
nanahi 2023-11-05 22:50:39 -05:00 committed by Kacper Michajłow
parent 3e7d36c295
commit d2bbd7a531
2 changed files with 26 additions and 0 deletions
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22
osdep/windows_utils.c
View File

@ -24,9 +24,12 @@
#include <audioclient.h>
#include <d3d9.h>
#include <dxgi1_2.h>
#include <ole2.h>
#include <shobjidl.h>
#include "common/common.h"
#include "windows_utils.h"
#include "mpv_talloc.h"
char *mp_GUID_to_str_buf(char *buf, size_t buf_size, const GUID *guid)
{
@ -227,3 +230,22 @@ error:
*server = *client = INVALID_HANDLE_VALUE;
return false;
}
wchar_t *mp_w32_get_shell_link_target(wchar_t *path)
{
IShellLink *psl = NULL;
IPersistFile *ppf = NULL;
wchar_t *buf = talloc_array(NULL, wchar_t, MAX_PATH + 1);
if (FAILED(CoCreateInstance(&CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, &IID_IShellLinkW, (void**)&psl)) ||
FAILED(IShellLinkW_QueryInterface(psl, &IID_IPersistFile, (void**)&ppf)) ||
FAILED(IPersistFile_Load(ppf, path, STGM_READ)) ||
FAILED(IShellLinkW_GetPath(psl, buf, MAX_PATH, NULL, 0)))
{
TA_FREEP(&buf);
}
SAFE_RELEASE(psl);
SAFE_RELEASE(ppf);
return buf;
}

4
osdep/windows_utils.h
View File

@ -46,4 +46,8 @@ struct w32_create_anon_pipe_opts {
bool mp_w32_create_anon_pipe(HANDLE *server, HANDLE *client,
struct w32_create_anon_pipe_opts *opts);
// Returns the target of the shell link in talloc memory if the path is a
// resolvable shell link, otherwise returns NULL.
wchar_t *mp_w32_get_shell_link_target(wchar_t *path);
#endif