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author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-02-01 12:08:08 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-02-01 12:08:08 +0000 |
commit | 2f6f8314ac2ff52634f5e00f9cb664632f8c6b6a (patch) | |
tree | a4f5f49c1e4c6aa83073db2644155a07e01f127e | |
parent | ddfc012b9ccbb121f72fe8bc0a491f0dc28a5973 (diff) | |
download | ruby-2f6f8314ac2ff52634f5e00f9cb664632f8c6b6a.tar.gz |
win32.c: volume_prefix_len
* win32/win32.c (rb_w32_read_reparse_point): name the prefix
length to be dropped.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53706 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-rw-r--r-- | win32/win32.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/win32/win32.c b/win32/win32.c index 34ad5fedb1..9b069e588d 100644 --- a/win32/win32.c +++ b/win32/win32.c @@ -4843,13 +4843,13 @@ rb_w32_read_reparse_point(const WCHAR *path, rb_w32_reparse_buffer_t *rp, } else { /* IO_REPARSE_TAG_MOUNT_POINT */ static const WCHAR *volume = L"Volume{"; - /* +4/-4 means to drop "\??\" */ + enum {volume_prefix_len = rb_strlen_lit("\\??\\")}; name = ((char *)rp->MountPointReparseBuffer.PathBuffer + rp->MountPointReparseBuffer.SubstituteNameOffset + - 4 * sizeof(WCHAR)); + volume_prefix_len * sizeof(WCHAR)); ret = rp->MountPointReparseBuffer.SubstituteNameLength; *len = ret / sizeof(WCHAR); - ret -= 4 * sizeof(WCHAR); + ret -= volume_prefix_len * sizeof(WCHAR); if (ret > sizeof(volume) - 1 * sizeof(WCHAR) && memcmp(name, volume, sizeof(volume) - 1 * sizeof(WCHAR)) == 0) return -1; |