05a3abfef3
We use <sys/stat.h> mode macros on the host to parse modes sent over from the device, so they had better match. Add static_asserts to ensure this. (Also, fix the cases where they don't.) Test: mma -j48, compiled the static_asserts on darwin manually Change-Id: I883e4e6c7489ea64d3c02d26790ac8293366d989
63 lines
2 KiB
C
63 lines
2 KiB
C
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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#if defined(_WIN32)
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// stat is broken on Win32: stat on a path with a trailing slash or backslash will always fail with
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// ENOENT.
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int adb_stat(const char* path, struct adb_stat* buf);
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// We later define a macro mapping 'stat' to 'adb_stat'. This causes:
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// struct stat s;
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// stat(filename, &s);
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// To turn into the following:
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// struct adb_stat s;
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// adb_stat(filename, &s);
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// To get this to work, we need to make 'struct adb_stat' the same as
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// 'struct stat'. Note that this definition of 'struct adb_stat' uses the
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// *current* macro definition of stat, so it may actually be inheriting from
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// struct _stat32i64 (or some other remapping).
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struct adb_stat : public stat {};
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#undef stat
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#define stat adb_stat
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// Windows doesn't have lstat.
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#define lstat adb_stat
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// mingw doesn't define S_IFLNK or S_ISLNK.
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#define S_IFLNK 0120000
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#define S_ISLNK(mode) (((mode) & S_IFMT) == S_IFLNK)
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// mingw defines S_IFBLK to a different value from bionic.
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#undef S_IFBLK
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#define S_IFBLK 0060000
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#undef S_ISBLK
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#define S_ISBLK(mode) (((mode) & S_IFMT) == S_IFBLK)
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#endif
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// Make sure that host file mode values match the ones on the device.
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static_assert(S_IFMT == 00170000, "");
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static_assert(S_IFLNK == 0120000, "");
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static_assert(S_IFREG == 0100000, "");
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static_assert(S_IFBLK == 0060000, "");
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static_assert(S_IFDIR == 0040000, "");
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static_assert(S_IFCHR == 0020000, "");
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