[2/2] Consolidate Linux truncate implementations

Message ID	1472241697-4029-3-git-send-email-adhemerval.zanella@linaro.org
State	Superseded
Headers	show Delivered-To: patch@linaro.org Received-SPF: pass (google.com: domain of libc-alpha-return-72894-patch=linaro.org@sourceware.org designates 209.132.180.131 as permitted sender) client-ip=209.132.180.131; DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:from:to:subject:date:message-id:in-reply-to :references; q=dns; s=default; b=GLXQo5hj3di07ewUsiZKpeiGWyEwqnu geBuKN5oZkh/i3NhamX/BO6LSfzzS+NzKgm8xHoxb0mkM1fxuVSdZEreK0g2J8aq Le6ocBGnDf16D09sUVBnxFMC5djd6/J4qDOqzHTMNwwVlqNeosDWUpoQBLdoC9YT xLsgZ9vu51Ag= Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk Sender: libc-alpha-owner@sourceware.org From: Adhemerval Zanella <adhemerval.zanella@linaro.org> To: libc-alpha@sourceware.org Subject: [PATCH 2/2] Consolidate Linux truncate implementations Date: Fri, 26 Aug 2016 17:01:37 -0300 Message-Id: <1472241697-4029-3-git-send-email-adhemerval.zanella@linaro.org> In-Reply-To: <1472241697-4029-1-git-send-email-adhemerval.zanella@linaro.org> References: <1472241697-4029-1-git-send-email-adhemerval.zanella@linaro.org>

diff --git a/sysdeps/unix/sysv/linux/arm/truncate64.c b/sysdeps/unix/sysv/linux/arm/truncate64.c deleted file mode 100644 index 28563af..0000000 --- a/sysdeps/unix/sysv/linux/arm/truncate64.c +++ /dev/null @@ -1,35 +0,0 @@ -/* Copyright (C) 1997-2016 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 - <http://www.gnu.org/licenses/>. */ - -#include <sys/types.h> -#include <endian.h> -#include <errno.h> -#include <unistd.h> - -#include <sysdep.h> -#include <sys/syscall.h> - -/* Truncate the file FD refers to to LENGTH bytes. */ -int -truncate64 (const char *path, off64_t length) -{ - unsigned int low = length & 0xffffffff; - unsigned int high = length >> 32; - int result = INLINE_SYSCALL (truncate64, 4, path, 0, - __LONG_LONG_PAIR (high, low)); - return result; -} diff --git a/sysdeps/unix/sysv/linux/generic/wordsize-32/truncate.c b/sysdeps/unix/sysv/linux/generic/wordsize-32/truncate.c deleted file mode 100644 index 2579951..0000000 --- a/sysdeps/unix/sysv/linux/generic/wordsize-32/truncate.c +++ /dev/null @@ -1,31 +0,0 @@ -/* Copyright (C) 2011-2016 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 - <http://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <sys/types.h> -#include <unistd.h> - -/* Truncate PATH to LENGTH bytes. */ -int -__truncate (const char *path, off_t length) -{ - return INLINE_SYSCALL (truncate64, __ALIGNMENT_COUNT (3, 4), path, - __ALIGNMENT_ARG - __LONG_LONG_PAIR (length >> 31, length)); -} -weak_alias (__truncate, truncate) diff --git a/sysdeps/unix/sysv/linux/generic/wordsize-32/truncate64.c b/sysdeps/unix/sysv/linux/generic/wordsize-32/truncate64.c deleted file mode 100644 index f2927ea..0000000 --- a/sysdeps/unix/sysv/linux/generic/wordsize-32/truncate64.c +++ /dev/null @@ -1,31 +0,0 @@ -/* Copyright (C) 2011-2016 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 - <http://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <sys/types.h> -#include <unistd.h> - -/* Truncate the file PATH to LENGTH bytes. */ -int -truncate64 (const char *path, off64_t length) -{ - unsigned int low = length & 0xffffffff; - unsigned int high = length >> 32; - return INLINE_SYSCALL (truncate64, __ALIGNMENT_COUNT (3, 4), path, - __ALIGNMENT_ARG __LONG_LONG_PAIR (high, low)); -} diff --git a/sysdeps/unix/sysv/linux/mips/mips32/truncate64.c b/sysdeps/unix/sysv/linux/mips/mips32/truncate64.c deleted file mode 100644 index 28563af..0000000 --- a/sysdeps/unix/sysv/linux/mips/mips32/truncate64.c +++ /dev/null @@ -1,35 +0,0 @@ -/* Copyright (C) 1997-2016 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 - <http://www.gnu.org/licenses/>. */ - -#include <sys/types.h> -#include <endian.h> -#include <errno.h> -#include <unistd.h> - -#include <sysdep.h> -#include <sys/syscall.h> - -/* Truncate the file FD refers to to LENGTH bytes. */ -int -truncate64 (const char *path, off64_t length) -{ - unsigned int low = length & 0xffffffff; - unsigned int high = length >> 32; - int result = INLINE_SYSCALL (truncate64, 4, path, 0, - __LONG_LONG_PAIR (high, low)); - return result; -} diff --git a/sysdeps/unix/sysv/linux/mips/mips64/truncate64.c b/sysdeps/unix/sysv/linux/mips/mips64/truncate64.c deleted file mode 100644 index 6e25b02..0000000 --- a/sysdeps/unix/sysv/linux/mips/mips64/truncate64.c +++ /dev/null @@ -1 +0,0 @@ -/* Empty. */ diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/truncate64.c b/sysdeps/unix/sysv/linux/powerpc/powerpc32/truncate64.c deleted file mode 100644 index ccfdafa..0000000 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/truncate64.c +++ /dev/null @@ -1,34 +0,0 @@ -/* Copyright (C) 1997-2016 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 - <http://www.gnu.org/licenses/>. */ - -#include <sys/types.h> -#include <errno.h> -#include <unistd.h> - -#include <sysdep.h> -#include <sys/syscall.h> - -/* Truncate the file referenced by FD to LENGTH bytes. */ -int -truncate64 (const char *path, off64_t length) -{ - /* On PPC32 64bit values are aligned in odd/even register pairs. */ - int result = INLINE_SYSCALL (truncate64, 4, path, 0, - (long) (length >> 32), - (long) length); - return result; -} diff --git a/sysdeps/unix/sysv/linux/truncate.c b/sysdeps/unix/sysv/linux/truncate.c new file mode 100644 index 0000000..0631a93 --- /dev/null +++ b/sysdeps/unix/sysv/linux/truncate.c @@ -0,0 +1,30 @@ +/* Copyright (C) 2016 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 + <http://www.gnu.org/licenses/>. */ + +#include <unistd.h> +#include <sysdep.h> +#include <errno.h> + +#ifndef __OFF_T_MATCHES_OFF64_T +/* Truncate PATH to LENGTH bytes. */ +int +__truncate (const char *path, off_t length) +{ + return INLINE_SYSCALL_CALL (truncate, path, length); +} +weak_alias (__truncate, truncate) +#endif diff --git a/sysdeps/unix/sysv/linux/truncate64.c b/sysdeps/unix/sysv/linux/truncate64.c index 92a6bc4..0d70da7 100644 --- a/sysdeps/unix/sysv/linux/truncate64.c +++ b/sysdeps/unix/sysv/linux/truncate64.c @@ -15,21 +15,23 @@ License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ -#include <sys/types.h> -#include <endian.h> -#include <errno.h> #include <unistd.h> - #include <sysdep.h> -#include <sys/syscall.h> +#include <errno.h> -/* Truncate the file referenced by FD to LENGTH bytes. */ +#ifndef __NR_truncate64 +# define __NR_truncate64 __NR_truncate +#endif + +/* Truncate PATH to LENGTH bytes. */ int -truncate64 (const char *path, off64_t length) +__truncate64 (const char *path, off64_t length) { - unsigned int low = length & 0xffffffff; - unsigned int high = length >> 32; - int result = INLINE_SYSCALL (truncate64, 3, path, - __LONG_LONG_PAIR (high, low)); - return result; + return INLINE_SYSCALL_CALL (truncate64, path, + __ALIGNMENT_ARG SYSCALL_LL64 (length)); } +weak_alias (__truncate64, truncate64) + +#ifdef __OFF_T_MATCHES_OFF64_T +weak_alias (__truncate64, truncate); +#endif diff --git a/sysdeps/unix/sysv/linux/wordsize-64/truncate64.c b/sysdeps/unix/sysv/linux/wordsize-64/truncate64.c deleted file mode 100644 index 8999768..0000000 --- a/sysdeps/unix/sysv/linux/wordsize-64/truncate64.c +++ /dev/null @@ -1 +0,0 @@ -/* truncate64 is the same as truncate. */

[2/2] Consolidate Linux truncate implementations

Commit Message

Patch