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* [glibc] linux: Remove overflow.h
@ 2021-02-11 12:42 Adhemerval Zanella
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From: Adhemerval Zanella @ 2021-02-11 12:42 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d2fa24f2395db7767e43a42b5f891fe3d2dfb6b6
commit d2fa24f2395db7767e43a42b5f891fe3d2dfb6b6
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Sun Feb 7 18:45:12 2021 +0000
linux: Remove overflow.h
The header is not used anywhere.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Diff:
---
.../unix/sysv/linux/generic/wordsize-32/overflow.h | 69 ----------------------
1 file changed, 69 deletions(-)
diff --git a/sysdeps/unix/sysv/linux/generic/wordsize-32/overflow.h b/sysdeps/unix/sysv/linux/generic/wordsize-32/overflow.h
deleted file mode 100644
index f2a58d654f..0000000000
--- a/sysdeps/unix/sysv/linux/generic/wordsize-32/overflow.h
+++ /dev/null
@@ -1,69 +0,0 @@
-/* Overflow tests for stat, statfs, and lseek functions.
- Copyright (C) 2011-2021 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
-
- 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 <sys/stat.h>
-#include <sys/statfs.h>
-#include <sys/types.h>
-
-/* Test for overflows of structures where we ask the kernel to fill them
- in with standard 64-bit syscalls but return them through APIs that
- only expose the low 32 bits of some fields. */
-
-static inline off_t lseek_overflow (loff_t res)
-{
- off_t retval = (off_t) res;
- if (retval == res)
- return retval;
-
- __set_errno (EOVERFLOW);
- return (off_t) -1;
-}
-
-static inline int stat_overflow (struct stat *buf)
-{
-#if defined __INO_T_MATCHES_INO64_T
- return 0;
-#else
- if (buf->__st_ino_pad == 0 && buf->__st_size_pad == 0
- && buf->__st_blocks_pad == 0)
- return 0;
-
- __set_errno (EOVERFLOW);
- return -1;
-#endif
-}
-
-/* Note that f_files and f_ffree may validly be a sign-extended -1. */
-static inline int statfs_overflow (struct statfs *buf)
-{
-#if __STATFS_MATCHES_STATFS64
- return 0;
-#else
- if (buf->__f_blocks_pad == 0 && buf->__f_bfree_pad == 0
- && buf->__f_bavail_pad == 0
- && (buf->__f_files_pad == 0
- || (buf->f_files == -1U && buf->__f_files_pad == -1))
- && (buf->__f_ffree_pad == 0
- || (buf->f_ffree == -1U && buf->__f_ffree_pad == -1)))
- return 0;
-
- __set_errno (EOVERFLOW);
- return -1;
-#endif
-}
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