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windows: allow serving files open for write

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https://github.com/warmcat/libwebsockets/issues/2713
This commit is contained in:
Martlaak 2022-08-23 12:54:58 +01:00 • committed by Andy Green
parent 162e11e530
commit 50f32d0da2
1 changed files with 5 additions and 6 deletions
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11
lib/plat/windows/windows-file.c
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@ -43,13 +43,12 @@ _lws_plat_file_open(const struct lws_plat_file_ops *fops_own,
LARGE_INTEGER llFileSize = {0}; LARGE_INTEGER llFileSize = {0};
MultiByteToWideChar(CP_UTF8, 0, filename, -1, buf, LWS_ARRAY_SIZE(buf)); MultiByteToWideChar(CP_UTF8, 0, filename, -1, buf, LWS_ARRAY_SIZE(buf));
if (((*flags) & 7) == _O_RDONLY) { if (((*flags) & 7) == _O_RDONLY)
ret = CreateFileW(buf, GENERIC_READ, FILE_SHARE_READ, ret = CreateFileW(buf, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
} else { else
ret = CreateFileW(buf, GENERIC_WRITE, 0, NULL, ret = CreateFileW(buf, GENERIC_WRITE, 0, NULL,
CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
}
if (ret == LWS_INVALID_FILE) if (ret == LWS_INVALID_FILE)
goto bail; goto bail;