47 lines
1.8 KiB
Diff
47 lines
1.8 KiB
Diff
diff --git a/thirdparty/libwebsockets/plat/lws-plat-win.c b/thirdparty/libwebsockets/plat/lws-plat-win.c
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index 948db6289..511e29739 100644
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--- a/thirdparty/libwebsockets/plat/lws-plat-win.c
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+++ b/thirdparty/libwebsockets/plat/lws-plat-win.c
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@@ -635,9 +635,20 @@ _lws_plat_file_open(const struct lws_plat_file_ops *fops, const char *filename,
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HANDLE ret;
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WCHAR buf[MAX_PATH];
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lws_fop_fd_t fop_fd;
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- LARGE_INTEGER llFileSize = {0};
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+ FILE_STANDARD_INFO fInfo = {0};
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MultiByteToWideChar(CP_UTF8, 0, filename, -1, buf, ARRAY_SIZE(buf));
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+
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+#if defined(_WIN32_WINNT) && _WIN32_WINNT >= 0x0602 // Windows 8 (minimum when UWP_ENABLED, but can be used in Windows builds)
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+ CREATEFILE2_EXTENDED_PARAMETERS extParams = {0};
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+ extParams.dwFileAttributes = FILE_ATTRIBUTE_NORMAL;
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+
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+ if (((*flags) & 7) == _O_RDONLY) {
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+ ret = CreateFile2(buf, GENERIC_READ, FILE_SHARE_READ, OPEN_EXISTING, &extParams);
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+ } else {
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+ ret = CreateFile2(buf, GENERIC_WRITE, 0, CREATE_ALWAYS, &extParams);
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+ }
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+#else
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if (((*flags) & 7) == _O_RDONLY) {
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ret = CreateFileW(buf, GENERIC_READ, FILE_SHARE_READ,
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NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
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@@ -645,6 +656,7 @@ _lws_plat_file_open(const struct lws_plat_file_ops *fops, const char *filename,
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ret = CreateFileW(buf, GENERIC_WRITE, 0, NULL,
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CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
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}
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+#endif
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if (ret == LWS_INVALID_FILE)
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goto bail;
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@@ -657,9 +669,9 @@ _lws_plat_file_open(const struct lws_plat_file_ops *fops, const char *filename,
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fop_fd->fd = ret;
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fop_fd->filesystem_priv = NULL; /* we don't use it */
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fop_fd->flags = *flags;
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- fop_fd->len = GetFileSize(ret, NULL);
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- if(GetFileSizeEx(ret, &llFileSize))
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- fop_fd->len = llFileSize.QuadPart;
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+ fop_fd->len = 0;
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+ if(GetFileInformationByHandleEx(ret, FileStandardInfo, &fInfo, sizeof(fInfo)))
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+ fop_fd->len = fInfo.EndOfFile.QuadPart;
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fop_fd->pos = 0;
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