From 67ecab6f50ff29e9bda340be1e9d2acc963c9a2b Mon Sep 17 00:00:00 2001 From: Dimitry Andric Date: Mon, 17 Apr 2023 18:20:56 +0200 Subject: [PATCH] libarchive: make single bit bitfields unsigned to avoid clang 16 warning Clang 16 introduced a warning about single bit bitfields in structs, which is triggered by various declarations in libarchive: contrib/libarchive/libarchive/archive_write_set_format_7zip.c:1541:13: error: implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1 [-Werror,-Wsingle-bit-bitfield-constant-conversion] file->dir = 1; ^ ~ contrib/libarchive/libarchive/archive_write_set_format_iso9660.c:5127:15: error: implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1 [-Werror,-Wsingle-bit-bitfield-constant-conversion] isoent->dir = 1; ^ ~ contrib/libarchive/libarchive/archive_write_set_format_iso9660.c:5213:14: error: implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1 [-Werror,-Wsingle-bit-bitfield-constant-conversion] isoent->dir = 1; ^ ~ contrib/libarchive/libarchive/archive_write_set_format_iso9660.c:5214:18: error: implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1 [-Werror,-Wsingle-bit-bitfield-constant-conversion] isoent->virtual = 1; ^ ~ contrib/libarchive/libarchive/archive_write_set_format_iso9660.c:7149:18: error: implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1 [-Werror,-Wsingle-bit-bitfield-constant-conversion] isoent->virtual = 1; ^ ~ contrib/libarchive/libarchive/archive_write_set_format_iso9660.c:7435:32: error: implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1 [-Werror,-Wsingle-bit-bitfield-constant-conversion] iso9660->zisofs.detect_magic = 1; ^ ~ contrib/libarchive/libarchive/archive_write_set_format_iso9660.c:7495:25: error: implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1 [-Werror,-Wsingle-bit-bitfield-constant-conversion] iso9660->zisofs.making = 1; ^ ~ contrib/libarchive/libarchive/archive_write_set_format_iso9660.c:7496:26: error: implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1 [-Werror,-Wsingle-bit-bitfield-constant-conversion] iso9660->zisofs.allzero = 1; ^ ~ contrib/libarchive/libarchive/archive_write_set_format_iso9660.c:7702:28: error: implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1 [-Werror,-Wsingle-bit-bitfield-constant-conversion] iso9660->zisofs.allzero = 1; ^ ~ contrib/libarchive/libarchive/archive_write_set_format_iso9660.c:7871:25: error: implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1 [-Werror,-Wsingle-bit-bitfield-constant-conversion] zisofs->header_passed = 1; ^ ~ contrib/libarchive/libarchive/archive_write_set_format_iso9660.c:7894:24: error: implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1 [-Werror,-Wsingle-bit-bitfield-constant-conversion] zisofs->initialized = 1; ^ ~ Signed one-bit bitfields can only have values -1 and 0, but the intent here is to use the fields as booleans, so make them unsigned. This has also been sent upstream. MFC after: 3 days --- .../libarchive/archive_write_set_format_7zip.c | 2 +- .../libarchive/archive_write_set_format_iso9660.c | 14 +++++++------- .../libarchive/archive_write_set_format_xar.c | 4 ++-- 3 files changed, 10 insertions(+), 10 deletions(-) diff --git a/contrib/libarchive/libarchive/archive_write_set_format_7zip.c b/contrib/libarchive/libarchive/archive_write_set_format_7zip.c index d5ca9a665654..f4b34685d3d0 100644 --- a/contrib/libarchive/libarchive/archive_write_set_format_7zip.c +++ b/contrib/libarchive/libarchive/archive_write_set_format_7zip.c @@ -165,7 +165,7 @@ struct file { mode_t mode; uint32_t crc32; - signed int dir:1; + unsigned int dir:1; }; struct _7zip { diff --git a/contrib/libarchive/libarchive/archive_write_set_format_iso9660.c b/contrib/libarchive/libarchive/archive_write_set_format_iso9660.c index 58b7216a8071..b3e41d4ab997 100644 --- a/contrib/libarchive/libarchive/archive_write_set_format_iso9660.c +++ b/contrib/libarchive/libarchive/archive_write_set_format_iso9660.c @@ -289,12 +289,12 @@ struct isoent { struct extr_rec *current; } extr_rec_list; - signed int virtual:1; + unsigned int virtual:1; /* If set to one, this file type is a directory. * A convenience flag to be used as * "archive_entry_filetype(isoent->file->entry) == AE_IFDIR". */ - signed int dir:1; + unsigned int dir:1; }; struct hardlink { @@ -755,9 +755,9 @@ struct iso9660 { /* Used for making zisofs. */ struct { - signed int detect_magic:1; - signed int making:1; - signed int allzero:1; + unsigned int detect_magic:1; + unsigned int making:1; + unsigned int allzero:1; unsigned char magic_buffer[64]; int magic_cnt; @@ -7802,8 +7802,8 @@ struct zisofs_extract { uint64_t pz_uncompressed_size; size_t uncompressed_buffer_size; - signed int initialized:1; - signed int header_passed:1; + unsigned int initialized:1; + unsigned int header_passed:1; uint32_t pz_offset; unsigned char *block_pointers; diff --git a/contrib/libarchive/libarchive/archive_write_set_format_xar.c b/contrib/libarchive/libarchive/archive_write_set_format_xar.c index d885f5c256d3..9d5e5dd41cbb 100644 --- a/contrib/libarchive/libarchive/archive_write_set_format_xar.c +++ b/contrib/libarchive/libarchive/archive_write_set_format_xar.c @@ -212,8 +212,8 @@ struct file { struct heap_data data; struct archive_string script; - signed int virtual:1; - signed int dir:1; + unsigned int virtual:1; + unsigned int dir:1; }; struct hardlink {