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fs.cpp: In member function ‘bool fsbridge::FileLock::TryLock()’:
fs.cpp:129:32: error: missing initializer for member ‘_OVERLAPPED::InternalHigh’ [-Werror=missing-field-initializers]
  129 |     _OVERLAPPED overlapped = {0};
      |                                ^
fs.cpp:129:32: error: missing initializer for member ‘_OVERLAPPED::<anonymous>’ [-Werror=missing-field-initializers]
fs.cpp:129:32: error: missing initializer for member ‘_OVERLAPPED::hEvent’ [-Werror=missing-field-initializers]

Came up in #25972. That PR is now rebased on this change.

Closes: #26006

@maflcko
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maflcko commented Sep 14, 2022

This is a refactor?

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ACK 02c9e56, tested on Linux x86_64:

$ make -j $(nproc) -C depends HOST=x86_64-w64-mingw32
$ ./autogen.sh
$ ./configure -q CONFIG_SITE=$PWD/depends/x86_64-w64-mingw32/share/config.site CXXFLAGS="-Wno-return-type -Wmissing-field-initializers"
$ make clean
$ make -j $(nproc) > /dev/null 
fs.cpp: In member function ‘bool fsbridge::FileLock::TryLock()’:
fs.cpp:129:32: warning: missing initializer for member ‘_OVERLAPPED::InternalHigh’ [-Wmissing-field-initializers]
  129 |     _OVERLAPPED overlapped = {0};
      |                                ^
fs.cpp:129:32: warning: missing initializer for member ‘_OVERLAPPED::<anonymous>’ [-Wmissing-field-initializers]
fs.cpp:129:32: warning: missing initializer for member ‘_OVERLAPPED::hEvent’ [-Wmissing-field-initializers]
leveldb/util/env_windows.cc: In member function ‘virtual leveldb::Status leveldb::{anonymous}::WindowsRandomAccessFile::Read(uint64_t, size_t, leveldb::Slice*, char*) const’:
leveldb/util/env_windows.cc:197:31: warning: missing initializer for member ‘_OVERLAPPED::InternalHigh’ [-Wmissing-field-initializers]
  197 |     OVERLAPPED overlapped = {0};
      |                               ^
leveldb/util/env_windows.cc:197:31: warning: missing initializer for member ‘_OVERLAPPED::<anonymous>’ [-Wmissing-field-initializers]
leveldb/util/env_windows.cc:197:31: warning: missing initializer for member ‘_OVERLAPPED::hEvent’ [-Wmissing-field-initializers]
$ make -j $(nproc) -C depends HOST=x86_64-w64-mingw32
$ ./autogen.sh
$ ./configure -q CONFIG_SITE=$PWD/depends/x86_64-w64-mingw32/share/config.site CXXFLAGS="-Wno-return-type -Wmissing-field-initializers"
$ make clean
$ make -j $(nproc) > /dev/null 
leveldb/util/env_windows.cc: In member function ‘virtual leveldb::Status leveldb::{anonymous}::WindowsRandomAccessFile::Read(uint64_t, size_t, leveldb::Slice*, char*) const’:
leveldb/util/env_windows.cc:197:31: warning: missing initializer for member ‘_OVERLAPPED::InternalHigh’ [-Wmissing-field-initializers]
  197 |     OVERLAPPED overlapped = {0};
      |                               ^
leveldb/util/env_windows.cc:197:31: warning: missing initializer for member ‘_OVERLAPPED::<anonymous>’ [-Wmissing-field-initializers]
leveldb/util/env_windows.cc:197:31: warning: missing initializer for member ‘_OVERLAPPED::hEvent’ [-Wmissing-field-initializers]

Maybe submit a similar change to leveldb upstream as well?

@sipsorcery
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tACK 02c9e56.

@fanquake
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Maybe submit a similar change to leveldb upstream as well?

I've submitted the same change upstream, google/leveldb#1053, however given the "very limited maintenance" state of leveldb, I think the likelyhood of it being merged is low. We could pull a similar change into our subtree if we wanted.

@fanquake fanquake merged commit f332c4f into bitcoin:master Sep 15, 2022
@fanquake fanquake deleted the fixup_overlapped_init_win32 branch September 15, 2022 14:32
@fanquake
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Also opened a PR with the same change as sent upstream, in our subtree repo: bitcoin-core/leveldb-subtree#34.

sidhujag pushed a commit to syscoin/syscoin that referenced this pull request Sep 15, 2022
02c9e56 fs: fully initialize _OVERLAPPED for win32 (Cory Fields)

Pull request description:

  ```bash
  fs.cpp: In member function ‘bool fsbridge::FileLock::TryLock()’:
  fs.cpp:129:32: error: missing initializer for member ‘_OVERLAPPED::InternalHigh’ [-Werror=missing-field-initializers]
    129 |     _OVERLAPPED overlapped = {0};
        |                                ^
  fs.cpp:129:32: error: missing initializer for member ‘_OVERLAPPED::<anonymous>’ [-Werror=missing-field-initializers]
  fs.cpp:129:32: error: missing initializer for member ‘_OVERLAPPED::hEvent’ [-Werror=missing-field-initializers]
  ```

  Came up in bitcoin#25972. That PR is now rebased on this change.

  Closes: bitcoin#26006

ACKs for top commit:
  sipsorcery:
    tACK 02c9e56.
  hebasto:
    ACK 02c9e56, tested on Linux x86_64:

Tree-SHA512: 6a0495c34bd952b2bb8c994a1450da7d3eee61225bb4ff0ce009c013f5e29dba94bb1c3ecef9989dc18c939909fdc8eba690a38f96da431ae9d64c23656de7d0
@theuni
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theuni commented Sep 19, 2022

Post-merge comment:

From: https://learn.microsoft.com/en-us/windows/win32/api/minwinbase/ns-minwinbase-overlapped

Any unused members of this structure should always be initialized to zero before the structure is used in a function call. Otherwise, the function may fail and return ERROR_INVALID_PARAMETER.

According to that note at least, it's possible that this was always failing before.

This commit is obviously correct and a fix, we should still investigate whether or not this changes behavior in any meaningful way. Though I suspect we would've noticed, as LockDataDirectory in init.cpp effectively acts as a sanity check for this.

fanquake added a commit that referenced this pull request Oct 4, 2022
1a463c7 Squashed 'src/leveldb/' changes from 22f1e4a02f..e2f10b4e47 (fanquake)

Pull request description:

  Pulls in bitcoin-core/leveldb-subtree#34: win32: fix -Wmissing-field-initializers warnings
  Related to #26090, #25972.

  Guix Build:
  ```bash
  a8c49e700309e9268ad0a503e7813775f58daf37813501775ae5831eab0cf26a  guix-build-13601da17e7a/output/aarch64-linux-gnu/SHA256SUMS.part
  3a1722403f8daf8ea152c72004fb1021f8a7241ee7f51fb0e6adeeb50881f001  guix-build-13601da17e7a/output/aarch64-linux-gnu/bitcoin-13601da17e7a-aarch64-linux-gnu-debug.tar.gz
  3b7c1f2361ef4832c305ff4b0d9eb7419f787f8cf537952d7c20be549debe0af  guix-build-13601da17e7a/output/aarch64-linux-gnu/bitcoin-13601da17e7a-aarch64-linux-gnu.tar.gz
  329cb5bc932621785a6aeca43af307279c47d87a4983ee3d59636f8e3dc27afa  guix-build-13601da17e7a/output/arm-linux-gnueabihf/SHA256SUMS.part
  4030f344c4c31cc0877c11d3b89f6ea93f930a4ae7e7976d49ad5123cc31a367  guix-build-13601da17e7a/output/arm-linux-gnueabihf/bitcoin-13601da17e7a-arm-linux-gnueabihf-debug.tar.gz
  ab50945c416b256b4c92ea0a50c0b7ec241e4c1f5803a4e7cb4ba83a6c5db888  guix-build-13601da17e7a/output/arm-linux-gnueabihf/bitcoin-13601da17e7a-arm-linux-gnueabihf.tar.gz
  604557cc73c4065697255c6971547a46cd0d6ad1cdf74261d4c73d002abe8c46  guix-build-13601da17e7a/output/arm64-apple-darwin/SHA256SUMS.part
  11e781c64fab7933df4a9b4f56357ad18dd8f149b3c9195bf2d310b58355851d  guix-build-13601da17e7a/output/arm64-apple-darwin/bitcoin-13601da17e7a-arm64-apple-darwin-unsigned.dmg
  e3fe9e278310f3dc97f463bb8cf2b930b587dba5095e18a7f38c4ef76338daad  guix-build-13601da17e7a/output/arm64-apple-darwin/bitcoin-13601da17e7a-arm64-apple-darwin-unsigned.tar.gz
  00828a9bfd74013a439b7f0254bd72904b99ff1e3a9503ef6307ee57de81c5eb  guix-build-13601da17e7a/output/arm64-apple-darwin/bitcoin-13601da17e7a-arm64-apple-darwin.tar.gz
  d80032d2509a982dc81790b3ef3cd8d44551b41047082ebc506f01bbb8830de1  guix-build-13601da17e7a/output/dist-archive/bitcoin-13601da17e7a.tar.gz
  61655cdf7c081c43275da57e5b42c21e33d7864378f3784652969ffdf7c3c2b2  guix-build-13601da17e7a/output/powerpc64-linux-gnu/SHA256SUMS.part
  3d213e2f25ca72dc0c3d372c0ad3f6803865825a233b29dd80b5cff3e3963621  guix-build-13601da17e7a/output/powerpc64-linux-gnu/bitcoin-13601da17e7a-powerpc64-linux-gnu-debug.tar.gz
  ef8cad747428b6b46c5d2c598fb7896b320a5321cf9a0c9dba2209c638bfbc7b  guix-build-13601da17e7a/output/powerpc64-linux-gnu/bitcoin-13601da17e7a-powerpc64-linux-gnu.tar.gz
  2302e022394ca46570c70bc5977f35bbed258bfbb19c2c6d80f1982a725c9e35  guix-build-13601da17e7a/output/powerpc64le-linux-gnu/SHA256SUMS.part
  5ca3104b7d546c7d905f82dfd92b5350af754e3973b533adc50c6cbde8f59f96  guix-build-13601da17e7a/output/powerpc64le-linux-gnu/bitcoin-13601da17e7a-powerpc64le-linux-gnu-debug.tar.gz
  2781824d8d08f8ac6663925db8b2d1b50b80165e67ed69df86580438284f0c3b  guix-build-13601da17e7a/output/powerpc64le-linux-gnu/bitcoin-13601da17e7a-powerpc64le-linux-gnu.tar.gz
  24a73f91c5ab9e72f2471cd7b31482c702a3de8dade9aff6b76af34253748cec  guix-build-13601da17e7a/output/riscv64-linux-gnu/SHA256SUMS.part
  b09658af4bd24eb5e76bacbfc7f8750a8941f117511b5c55a44ef1beffec8367  guix-build-13601da17e7a/output/riscv64-linux-gnu/bitcoin-13601da17e7a-riscv64-linux-gnu-debug.tar.gz
  56bde3f3df115dbf801944e4f923a08752fd05cda0bbf0e0e3c915387f98e4a8  guix-build-13601da17e7a/output/riscv64-linux-gnu/bitcoin-13601da17e7a-riscv64-linux-gnu.tar.gz
  ca9a5acb332fb2ffda42e44d84b58e273a769e94f0abaaa0623ed1d1c5267dde  guix-build-13601da17e7a/output/x86_64-apple-darwin/SHA256SUMS.part
  ccae805bca5d4075d1bccbaeca7ac40bb4dac0a97f4fd4c3c80b2d6134d6acb0  guix-build-13601da17e7a/output/x86_64-apple-darwin/bitcoin-13601da17e7a-x86_64-apple-darwin-unsigned.dmg
  b12c9682b69b3662150abd6680bb60f9fef656a1fdc3cd21951c2da571be40cc  guix-build-13601da17e7a/output/x86_64-apple-darwin/bitcoin-13601da17e7a-x86_64-apple-darwin-unsigned.tar.gz
  fd3378e4d60f0ef3ae1b18f526e96ed9e838df4def021de332dd0b6cd20ed0c4  guix-build-13601da17e7a/output/x86_64-apple-darwin/bitcoin-13601da17e7a-x86_64-apple-darwin.tar.gz
  47c7af42153850a94d70de6489389f6faf8772d6adc88269705a12e6b894e84e  guix-build-13601da17e7a/output/x86_64-linux-gnu/SHA256SUMS.part
  876898d116041680ea6fa3bbce1becb05e45ea5bdbaf973a1465fde4bd2df26d  guix-build-13601da17e7a/output/x86_64-linux-gnu/bitcoin-13601da17e7a-x86_64-linux-gnu-debug.tar.gz
  56671e22f25ba695c7315de916c6a2d1b57d5f00982b331c68a43912ac3ebc44  guix-build-13601da17e7a/output/x86_64-linux-gnu/bitcoin-13601da17e7a-x86_64-linux-gnu.tar.gz
  f5b9b7d83ad34b7b6c3cb98b9d7878795a1f6fb7b422ffb02b23266beb76d3a6  guix-build-13601da17e7a/output/x86_64-w64-mingw32/SHA256SUMS.part
  a72cfb4ce41cad3bb24df2e4bb318edd05370e12fc31f9ba21637b3fd412dccd  guix-build-13601da17e7a/output/x86_64-w64-mingw32/bitcoin-13601da17e7a-win64-debug.zip
  4b175eac7355715884be279dd4595665912b62815f1d0186ca9874cb9e6424cb  guix-build-13601da17e7a/output/x86_64-w64-mingw32/bitcoin-13601da17e7a-win64-setup-unsigned.exe
  c45d927f0adedc3eb0a01cee0f9fa734c17d9e9a6692b0f416a3830c007b52cc  guix-build-13601da17e7a/output/x86_64-w64-mingw32/bitcoin-13601da17e7a-win64-unsigned.tar.gz
  360a5b8806c72dbfcfed616d5cec78606461d664e21fb28a44bd473a2b7c9326  guix-build-13601da17e7a/output/x86_64-w64-mingw32/bitcoin-13601da17e7a-win64.zip
  ```

ACKs for top commit:
  hebasto:
    ACK 13601da, I have reviewed the code and it looks OK, I agree it can be merged.
  theuni:
    ACK 13601da

Tree-SHA512: 1450618714a456d8969fa5bfc3ed700452e0737213af50656a0a1e0764e6063390fb528eb1889d8bf1e02e451f601f0a5bc63a02ac34ef10aeb7dc80fe41acd1
sidhujag pushed a commit to syscoin/syscoin that referenced this pull request Oct 4, 2022
1a463c7 Squashed 'src/leveldb/' changes from 22f1e4a02f..e2f10b4e47 (fanquake)

Pull request description:

  Pulls in bitcoin-core/leveldb-subtree#34: win32: fix -Wmissing-field-initializers warnings
  Related to bitcoin#26090, bitcoin#25972.

  Guix Build:
  ```bash
  a8c49e700309e9268ad0a503e7813775f58daf37813501775ae5831eab0cf26a  guix-build-13601da17e7a/output/aarch64-linux-gnu/SHA256SUMS.part
  3a1722403f8daf8ea152c72004fb1021f8a7241ee7f51fb0e6adeeb50881f001  guix-build-13601da17e7a/output/aarch64-linux-gnu/bitcoin-13601da17e7a-aarch64-linux-gnu-debug.tar.gz
  3b7c1f2361ef4832c305ff4b0d9eb7419f787f8cf537952d7c20be549debe0af  guix-build-13601da17e7a/output/aarch64-linux-gnu/bitcoin-13601da17e7a-aarch64-linux-gnu.tar.gz
  329cb5bc932621785a6aeca43af307279c47d87a4983ee3d59636f8e3dc27afa  guix-build-13601da17e7a/output/arm-linux-gnueabihf/SHA256SUMS.part
  4030f344c4c31cc0877c11d3b89f6ea93f930a4ae7e7976d49ad5123cc31a367  guix-build-13601da17e7a/output/arm-linux-gnueabihf/bitcoin-13601da17e7a-arm-linux-gnueabihf-debug.tar.gz
  ab50945c416b256b4c92ea0a50c0b7ec241e4c1f5803a4e7cb4ba83a6c5db888  guix-build-13601da17e7a/output/arm-linux-gnueabihf/bitcoin-13601da17e7a-arm-linux-gnueabihf.tar.gz
  604557cc73c4065697255c6971547a46cd0d6ad1cdf74261d4c73d002abe8c46  guix-build-13601da17e7a/output/arm64-apple-darwin/SHA256SUMS.part
  11e781c64fab7933df4a9b4f56357ad18dd8f149b3c9195bf2d310b58355851d  guix-build-13601da17e7a/output/arm64-apple-darwin/bitcoin-13601da17e7a-arm64-apple-darwin-unsigned.dmg
  e3fe9e278310f3dc97f463bb8cf2b930b587dba5095e18a7f38c4ef76338daad  guix-build-13601da17e7a/output/arm64-apple-darwin/bitcoin-13601da17e7a-arm64-apple-darwin-unsigned.tar.gz
  00828a9bfd74013a439b7f0254bd72904b99ff1e3a9503ef6307ee57de81c5eb  guix-build-13601da17e7a/output/arm64-apple-darwin/bitcoin-13601da17e7a-arm64-apple-darwin.tar.gz
  d80032d2509a982dc81790b3ef3cd8d44551b41047082ebc506f01bbb8830de1  guix-build-13601da17e7a/output/dist-archive/bitcoin-13601da17e7a.tar.gz
  61655cdf7c081c43275da57e5b42c21e33d7864378f3784652969ffdf7c3c2b2  guix-build-13601da17e7a/output/powerpc64-linux-gnu/SHA256SUMS.part
  3d213e2f25ca72dc0c3d372c0ad3f6803865825a233b29dd80b5cff3e3963621  guix-build-13601da17e7a/output/powerpc64-linux-gnu/bitcoin-13601da17e7a-powerpc64-linux-gnu-debug.tar.gz
  ef8cad747428b6b46c5d2c598fb7896b320a5321cf9a0c9dba2209c638bfbc7b  guix-build-13601da17e7a/output/powerpc64-linux-gnu/bitcoin-13601da17e7a-powerpc64-linux-gnu.tar.gz
  2302e022394ca46570c70bc5977f35bbed258bfbb19c2c6d80f1982a725c9e35  guix-build-13601da17e7a/output/powerpc64le-linux-gnu/SHA256SUMS.part
  5ca3104b7d546c7d905f82dfd92b5350af754e3973b533adc50c6cbde8f59f96  guix-build-13601da17e7a/output/powerpc64le-linux-gnu/bitcoin-13601da17e7a-powerpc64le-linux-gnu-debug.tar.gz
  2781824d8d08f8ac6663925db8b2d1b50b80165e67ed69df86580438284f0c3b  guix-build-13601da17e7a/output/powerpc64le-linux-gnu/bitcoin-13601da17e7a-powerpc64le-linux-gnu.tar.gz
  24a73f91c5ab9e72f2471cd7b31482c702a3de8dade9aff6b76af34253748cec  guix-build-13601da17e7a/output/riscv64-linux-gnu/SHA256SUMS.part
  b09658af4bd24eb5e76bacbfc7f8750a8941f117511b5c55a44ef1beffec8367  guix-build-13601da17e7a/output/riscv64-linux-gnu/bitcoin-13601da17e7a-riscv64-linux-gnu-debug.tar.gz
  56bde3f3df115dbf801944e4f923a08752fd05cda0bbf0e0e3c915387f98e4a8  guix-build-13601da17e7a/output/riscv64-linux-gnu/bitcoin-13601da17e7a-riscv64-linux-gnu.tar.gz
  ca9a5acb332fb2ffda42e44d84b58e273a769e94f0abaaa0623ed1d1c5267dde  guix-build-13601da17e7a/output/x86_64-apple-darwin/SHA256SUMS.part
  ccae805bca5d4075d1bccbaeca7ac40bb4dac0a97f4fd4c3c80b2d6134d6acb0  guix-build-13601da17e7a/output/x86_64-apple-darwin/bitcoin-13601da17e7a-x86_64-apple-darwin-unsigned.dmg
  b12c9682b69b3662150abd6680bb60f9fef656a1fdc3cd21951c2da571be40cc  guix-build-13601da17e7a/output/x86_64-apple-darwin/bitcoin-13601da17e7a-x86_64-apple-darwin-unsigned.tar.gz
  fd3378e4d60f0ef3ae1b18f526e96ed9e838df4def021de332dd0b6cd20ed0c4  guix-build-13601da17e7a/output/x86_64-apple-darwin/bitcoin-13601da17e7a-x86_64-apple-darwin.tar.gz
  47c7af42153850a94d70de6489389f6faf8772d6adc88269705a12e6b894e84e  guix-build-13601da17e7a/output/x86_64-linux-gnu/SHA256SUMS.part
  876898d116041680ea6fa3bbce1becb05e45ea5bdbaf973a1465fde4bd2df26d  guix-build-13601da17e7a/output/x86_64-linux-gnu/bitcoin-13601da17e7a-x86_64-linux-gnu-debug.tar.gz
  56671e22f25ba695c7315de916c6a2d1b57d5f00982b331c68a43912ac3ebc44  guix-build-13601da17e7a/output/x86_64-linux-gnu/bitcoin-13601da17e7a-x86_64-linux-gnu.tar.gz
  f5b9b7d83ad34b7b6c3cb98b9d7878795a1f6fb7b422ffb02b23266beb76d3a6  guix-build-13601da17e7a/output/x86_64-w64-mingw32/SHA256SUMS.part
  a72cfb4ce41cad3bb24df2e4bb318edd05370e12fc31f9ba21637b3fd412dccd  guix-build-13601da17e7a/output/x86_64-w64-mingw32/bitcoin-13601da17e7a-win64-debug.zip
  4b175eac7355715884be279dd4595665912b62815f1d0186ca9874cb9e6424cb  guix-build-13601da17e7a/output/x86_64-w64-mingw32/bitcoin-13601da17e7a-win64-setup-unsigned.exe
  c45d927f0adedc3eb0a01cee0f9fa734c17d9e9a6692b0f416a3830c007b52cc  guix-build-13601da17e7a/output/x86_64-w64-mingw32/bitcoin-13601da17e7a-win64-unsigned.tar.gz
  360a5b8806c72dbfcfed616d5cec78606461d664e21fb28a44bd473a2b7c9326  guix-build-13601da17e7a/output/x86_64-w64-mingw32/bitcoin-13601da17e7a-win64.zip
  ```

ACKs for top commit:
  hebasto:
    ACK 13601da, I have reviewed the code and it looks OK, I agree it can be merged.
  theuni:
    ACK 13601da

Tree-SHA512: 1450618714a456d8969fa5bfc3ed700452e0737213af50656a0a1e0764e6063390fb528eb1889d8bf1e02e451f601f0a5bc63a02ac34ef10aeb7dc80fe41acd1
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fs: _OVERLAPPED missing initializers
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