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glibc: add stat_t64_cp.c to libnonshared.a

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Fixes 32-bit architectures.
This commit is contained in:
Andrew Kelley 2021-12-16 00:15:26 -07:00
parent afb1652c50
commit 37fa6f955d
2 changed files with 91 additions and 45 deletions
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75
lib/libc/glibc/sysdeps/unix/sysv/linux/stat_t64_cp.c Normal file
View File

@ -0,0 +1,75 @@
/* Struct stat/stat64 to stat/stat64 conversion for Linux.
Copyright (C) 2020-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library. If not, see
<https://www.gnu.org/licenses/>. */
#include <stat_t64_cp.h>
#include <string.h>
#include <errno.h>
#include <time.h>
#if __TIMESIZE != 64
static inline bool
in_time_t_range (__time64_t t)
{
time_t s = t;
return s == t;
}
static inline struct timespec
valid_timespec64_to_timespec (const struct __timespec64 ts64)
{
struct timespec ts;
ts.tv_sec = (time_t) ts64.tv_sec;
ts.tv_nsec = ts64.tv_nsec;
return ts;
}
int
__cp_stat64_t64_stat64 (const struct __stat64_t64 *st64_t64,
struct stat64 *st64)
{
if (! in_time_t_range (st64_t64->st_atim.tv_sec)
|| ! in_time_t_range (st64_t64->st_mtim.tv_sec)
|| ! in_time_t_range (st64_t64->st_ctim.tv_sec))
{
__set_errno (EOVERFLOW);
return -1;
}
/* Clear both pad and reserved fields. */
memset (st64, 0, sizeof (*st64));
st64->st_dev = st64_t64->st_dev,
st64->st_ino = st64_t64->st_ino;
st64->st_mode = st64_t64->st_mode;
st64->st_nlink = st64_t64->st_nlink;
st64->st_uid = st64_t64->st_uid;
st64->st_gid = st64_t64->st_gid;
st64->st_rdev = st64_t64->st_rdev;
st64->st_size = st64_t64->st_size;
st64->st_blksize = st64_t64->st_blksize;
st64->st_blocks = st64_t64->st_blocks;
st64->st_atim = valid_timespec64_to_timespec (st64_t64->st_atim);
st64->st_mtim = valid_timespec64_to_timespec (st64_t64->st_mtim);
st64->st_ctim = valid_timespec64_to_timespec (st64_t64->st_ctim);
return 0;
}
#endif

61
src/glibc.zig
View File

@ -274,7 +274,10 @@ pub fn buildCRTFile(comp: *Compilation, crt_file: CRTFile) !void {
const linux_prefix = lib_libc_glibc ++
"sysdeps" ++ s ++ "unix" ++ s ++ "sysv" ++ s ++ "linux" ++ s;
const Flavor = enum { nonshared, shared };
const Dep = struct { path: []const u8, flavor: Flavor };
const Dep = struct {
path: []const u8,
flavor: Flavor = .shared,
};
const deps = [_]Dep{
.{
.path = lib_libc_glibc ++ "stdlib" ++ s ++ "atexit.c",
@ -284,46 +287,6 @@ pub fn buildCRTFile(comp: *Compilation, crt_file: CRTFile) !void {
.path = lib_libc_glibc ++ "stdlib" ++ s ++ "at_quick_exit.c",
.flavor = .nonshared,
},
.{
.path = linux_prefix ++ "stat.c",
.flavor = .shared,
},
.{
.path = linux_prefix ++ "fstat.c",
.flavor = .shared,
},
.{
.path = linux_prefix ++ "lstat.c",
.flavor = .shared,
},
.{
.path = linux_prefix ++ "stat64.c",
.flavor = .shared,
},
.{
.path = linux_prefix ++ "fstat64.c",
.flavor = .shared,
},
.{
.path = linux_prefix ++ "lstat64.c",
.flavor = .shared,
},
.{
.path = linux_prefix ++ "fstatat.c",
.flavor = .shared,
},
.{
.path = linux_prefix ++ "fstatat64.c",
.flavor = .shared,
},
.{
.path = linux_prefix ++ "mknodat.c",
.flavor = .shared,
},
.{
.path = lib_libc_glibc ++ "io" ++ s ++ "mknod.c",
.flavor = .shared,
},
.{
.path = lib_libc_glibc ++ "sysdeps" ++ s ++ "pthread" ++ s ++ "pthread_atfork.c",
.flavor = .nonshared,
@ -332,10 +295,18 @@ pub fn buildCRTFile(comp: *Compilation, crt_file: CRTFile) !void {
.path = lib_libc_glibc ++ "debug" ++ s ++ "stack_chk_fail_local.c",
.flavor = .nonshared,
},
.{
.path = lib_libc_glibc ++ "csu" ++ s ++ "errno.c",
.flavor = .shared,
},
.{ .path = lib_libc_glibc ++ "csu" ++ s ++ "errno.c" },
.{ .path = linux_prefix ++ "stat.c" },
.{ .path = linux_prefix ++ "fstat.c" },
.{ .path = linux_prefix ++ "lstat.c" },
.{ .path = linux_prefix ++ "stat64.c" },
.{ .path = linux_prefix ++ "fstat64.c" },
.{ .path = linux_prefix ++ "lstat64.c" },
.{ .path = linux_prefix ++ "fstatat.c" },
.{ .path = linux_prefix ++ "fstatat64.c" },
.{ .path = linux_prefix ++ "mknodat.c" },
.{ .path = lib_libc_glibc ++ "io" ++ s ++ "mknod.c" },
.{ .path = linux_prefix ++ "stat_t64_cp.c" },
};
var c_source_files: [deps.len]Compilation.CSourceFile = undefined;