From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 44862 invoked by alias); 25 Oct 2016 17:54:07 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Received: (qmail 44778 invoked by uid 89); 25 Oct 2016 17:54:07 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=1.3 required=5.0 tests=BAYES_50,RCVD_IN_DNSWL_NONE,RCVD_IN_SORBS_SPAM,SPF_PASS autolearn=no version=3.3.2 spammy=weak_alias, Lesser, preparation, test_function X-HELO: mail-ua0-f179.google.com X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding; bh=yTc2JkeceOoGZFE4yxy0a91U9vZ5v+IeAKDlOvsonVU=; b=OGJ+YLbSEKa/1DpbGCFoKrFDuCvLVIxpeDcd6Lme90cL9ffKHRpUlUJWYdaZqP33jN OBpnJUXa3PGleQPtkFnkqLlnQz989BhiLecsN6Pm3Fuuq6svvuIdTArdlcvJS1Q3vODu k3RHLC+2SxkEQsX4qm6vlFdYG+J8LU+NgI/sO0HPtOc8JjWZUqnSiFk/zd/TJ/1FjsjW hcRbqr8ONQuR1nTujPeCuT9VZ2MH5cUH6clTD6ReDr0g2hG+fuYqZESJj9AEQruQvdq+ xvjGz+XC8tXGKqVh1o2/XMj+OH3wTBQPOB45Rj86CP2B85i0OnPoDhkk+Oj0M7hqHfr5 7VTg== X-Gm-Message-State: ABUngvcQmC+hCw+P9nMaZSgcj7aG3eD5XrNNmKRYjHAM/XTSDkNF7Ua3oG85YPxQ45AJR+zK X-Received: by 10.176.2.65 with SMTP id 59mr15527567uas.11.1477418041048; Tue, 25 Oct 2016 10:54:01 -0700 (PDT) Subject: Re: [PATCH 3/4] Consolidate Linux ftruncate implementations To: libc-alpha@sourceware.org References: <1474383714-15187-1-git-send-email-adhemerval.zanella@linaro.org> <1474383714-15187-4-git-send-email-adhemerval.zanella@linaro.org> <233a183a-8327-4077-77ad-f90d20505f2e@linaro.org> From: Adhemerval Zanella Message-ID: <3e65050e-9e7b-a99f-dc56-417611d34d9e@linaro.org> Date: Tue, 25 Oct 2016 17:54:00 -0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.3.0 MIME-Version: 1.0 In-Reply-To: <233a183a-8327-4077-77ad-f90d20505f2e@linaro.org> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-SW-Source: 2016-10/txt/msg00436.txt.bz2 Ping (x2). On 11/10/2016 11:41, Adhemerval Zanella wrote: > Ping. > > On 20/09/2016 12:01, Adhemerval Zanella wrote: >> THis patch consolidates all Linux ftruncate implementation on >> sysdeps/unix/sysv/linux/ftruncate{64}.c. It is based on >> {INTERNAL,INLINE}_SYSCALL patch [1] to simplify the syscall construction. >> >> General idea is to build ftruncate iff __OFF_T_MATCHES_OFF64_T is not >> defined, otherwise ftruncate64 will be build and ftruncate will be an >> alias. The fallocate will use old compat syscall and pass 32-bit off_t >> argument, while fallocate64 will handle the correct off64_t passing using >> __ALIGNMENT_ARG and SYSCALL_LL64 macros. >> >> Tested on x86_64, i386, aarch64, and armhf. >> >> * posix/tst-truncate-common.c: New file. >> * posix/tst-truncate.c: Use tst-truncate-common.c. >> * posix/tst-truncate64.c: Likewise and add LFS tests. >> * sysdeps/unix/sysv/linux/arm/ftruncate64.c: Remove file. >> * sysdeps/unix/sysv/linux/generic/wordsize-32/ftruncate.c: Likewise. >> * sysdeps/unix/sysv/linux/generic/wordsize-32/ftruncate64.c: Likewise. >> * sysdeps/unix/sysv/linux/mips/mips32/ftruncate64.c: Likewise. >> * sysdeps/unix/sysv/linux/mips/mips64/ftruncate64.c: Likewise. >> * sysdeps/unix/sysv/linux/powerpc/powerpc32/ftruncate64.c: Likewise. >> * sysdeps/unix/sysv/linux/wordsize-64/ftruncate64.c: Likewise. >> * sysdeps/unix/sysv/linux/ftruncate.c: New file. >> * sysdeps/unix/sysv/linux/ftruncate64.c (__ftruncate64): Use >> INLINE_SYSCALL_CALL, __ALIGNMENT_ARG and SYSCALL_LL64 macros. >> [__OFF_T_MATCHES_OFF64_T] (ftruncate): Add alias. >> >> [1] https://sourceware.org/ml/libc-alpha/2016-08/msg00646.html >> --- >> posix/tst-truncate-common.c | 88 ++++++++++++++++ >> posix/tst-truncate.c | 114 +-------------------- >> posix/tst-truncate64.c | 21 +++- >> sysdeps/unix/sysv/linux/arm/ftruncate64.c | 36 ------- >> sysdeps/unix/sysv/linux/ftruncate.c | 35 +++++++ >> sysdeps/unix/sysv/linux/ftruncate64.c | 21 ++-- >> .../sysv/linux/generic/wordsize-32/ftruncate.c | 31 ------ >> .../sysv/linux/generic/wordsize-32/ftruncate64.c | 32 ------ >> sysdeps/unix/sysv/linux/mips/mips32/ftruncate64.c | 36 ------- >> sysdeps/unix/sysv/linux/mips/mips64/ftruncate64.c | 1 - >> .../sysv/linux/powerpc/powerpc32/ftruncate64.c | 36 ------- >> sysdeps/unix/sysv/linux/wordsize-64/ftruncate64.c | 1 - >> 12 files changed, 156 insertions(+), 296 deletions(-) >> create mode 100644 posix/tst-truncate-common.c >> delete mode 100644 sysdeps/unix/sysv/linux/arm/ftruncate64.c >> create mode 100644 sysdeps/unix/sysv/linux/ftruncate.c >> delete mode 100644 sysdeps/unix/sysv/linux/generic/wordsize-32/ftruncate.c >> delete mode 100644 sysdeps/unix/sysv/linux/generic/wordsize-32/ftruncate64.c >> delete mode 100644 sysdeps/unix/sysv/linux/mips/mips32/ftruncate64.c >> delete mode 100644 sysdeps/unix/sysv/linux/mips/mips64/ftruncate64.c >> delete mode 100644 sysdeps/unix/sysv/linux/powerpc/powerpc32/ftruncate64.c >> delete mode 100644 sysdeps/unix/sysv/linux/wordsize-64/ftruncate64.c >> >> diff --git a/posix/tst-truncate-common.c b/posix/tst-truncate-common.c >> new file mode 100644 >> index 0000000..80bf277 >> --- /dev/null >> +++ b/posix/tst-truncate-common.c >> @@ -0,0 +1,88 @@ >> +/* Common f{truncate} tests definitions. >> + 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 >> + . */ >> + >> +#include >> +#include >> +#include >> +#include >> + >> +static void do_prepare (void); >> +#define PREPARE(argc, argv) do_prepare () >> +static int do_test (void); >> +#define TEST_FUNCTION do_test () >> + >> +#include >> + >> +static char *temp_filename; >> +static int temp_fd; >> + >> +static void >> +do_prepare (void) >> +{ >> + temp_fd = create_temp_file ("tst-trucate.", &temp_filename); >> + if (temp_fd == -1) >> + { >> + printf ("cannot create temporary file: %m\n"); >> + exit (1); >> + } >> +} >> + >> +#define FAIL(str) \ >> + do { printf ("error: %s (line %d)\n", str, __LINE__); return 1; } while (0) >> + >> +static int >> +do_test_with_offset (off_t offset) >> +{ >> + struct stat st; >> + char buf[1000]; >> + >> + memset (buf, 0xcf, sizeof (buf)); >> + >> + if (pwrite (temp_fd, buf, sizeof (buf), offset) != sizeof (buf)) >> + FAIL ("write failed"); >> + if (fstat (temp_fd, &st) < 0 || st.st_size != (offset + sizeof (buf))) >> + FAIL ("initial size wrong"); >> + >> + if (ftruncate (temp_fd, offset + 800) < 0) >> + FAIL ("size reduction with ftruncate failed"); >> + if (fstat (temp_fd, &st) < 0 || st.st_size != (offset + 800)) >> + FAIL ("size after reduction with ftruncate is incorrect"); >> + >> + /* The following test covers more than POSIX. POSIX does not require >> + that ftruncate() can increase the file size. But we are testing >> + Unix systems. */ >> + if (ftruncate (temp_fd, offset + 1200) < 0) >> + FAIL ("size increate with ftruncate failed"); >> + if (fstat (temp_fd, &st) < 0 || st.st_size != (offset + 1200)) >> + FAIL ("size after increase is incorrect"); >> + >> + if (truncate (temp_filename, offset + 800) < 0) >> + FAIL ("size reduction with truncate failed"); >> + if (fstat (temp_fd, &st) < 0 || st.st_size != (offset + 800)) >> + FAIL ("size after reduction with truncate incorrect"); >> + >> + /* The following test covers more than POSIX. POSIX does not require >> + that truncate() can increase the file size. But we are testing >> + Unix systems. */ >> + if (truncate (temp_filename, (offset + 1200)) < 0) >> + FAIL ("size increase with truncate failed"); >> + if (fstat (temp_fd, &st) < 0 || st.st_size != (offset + 1200)) >> + FAIL ("size increase with truncate is incorrect"); >> + >> + return 0; >> +} >> diff --git a/posix/tst-truncate.c b/posix/tst-truncate.c >> index 99bddb3..3166c3b 100644 >> --- a/posix/tst-truncate.c >> +++ b/posix/tst-truncate.c >> @@ -17,116 +17,10 @@ >> License along with the GNU C Library; if not, see >> . */ >> >> -#include >> -#include >> -#include >> -#include >> -#include >> +#include "tst-truncate-common.c" >> >> - >> -/* Allow testing of the 64-bit versions as well. */ >> -#ifndef TRUNCATE >> -# define TRUNCATE truncate >> -# define FTRUNCATE ftruncate >> -#endif >> - >> -#define STRINGIFY(s) STRINGIFY2 (s) >> -#define STRINGIFY2(s) #s >> - >> -/* Prototype for our test function. */ >> -extern void do_prepare (int argc, char *argv[]); >> -extern int do_test (int argc, char *argv[]); >> - >> -/* We have a preparation function. */ >> -#define PREPARE do_prepare >> - >> -/* We might need a bit longer timeout. */ >> -#define TIMEOUT 20 /* sec */ >> - >> -/* This defines the `main' function and some more. */ >> -#include >> - >> -/* These are for the temporary file we generate. */ >> -char *name; >> -int fd; >> - >> -void >> -do_prepare (int argc, char *argv[]) >> +static int >> +do_test (void) >> { >> - size_t name_len; >> - >> -#define FNAME FNAME2(TRUNCATE) >> -#define FNAME2(s) "/" STRINGIFY(s) "XXXXXX" >> - >> - name_len = strlen (test_dir); >> - name = xmalloc (name_len + sizeof (FNAME)); >> - mempcpy (mempcpy (name, test_dir, name_len), FNAME, sizeof (FNAME)); >> - add_temp_file (name); >> - >> - /* Open our test file. */ >> - fd = mkstemp (name); >> - if (fd == -1) >> - error (EXIT_FAILURE, errno, "cannot open test file `%s'", name); >> -} >> - >> - >> -int >> -do_test (int argc, char *argv[]) >> -{ >> - struct stat st; >> - char buf[1000]; >> - >> - memset (buf, '\0', sizeof (buf)); >> - >> - if (write (fd, buf, sizeof (buf)) != sizeof (buf)) >> - error (EXIT_FAILURE, errno, "during write"); >> - >> - if (fstat (fd, &st) < 0 || st.st_size != sizeof (buf)) >> - error (EXIT_FAILURE, 0, "initial size wrong"); >> - >> - >> - if (FTRUNCATE (fd, 800) < 0) >> - error (EXIT_FAILURE, errno, "size reduction with %s failed", >> - STRINGIFY (FTRUNCATE)); >> - >> - if (fstat (fd, &st) < 0 || st.st_size != 800) >> - error (EXIT_FAILURE, 0, "size after reduction with %s incorrect", >> - STRINGIFY (FTRUNCATE)); >> - >> - /* The following test covers more than POSIX. POSIX does not require >> - that ftruncate() can increase the file size. But we are testing >> - Unix systems. */ >> - if (FTRUNCATE (fd, 1200) < 0) >> - error (EXIT_FAILURE, errno, "size increase with %s failed", >> - STRINGIFY (FTRUNCATE)); >> - >> - if (fstat (fd, &st) < 0 || st.st_size != 1200) >> - error (EXIT_FAILURE, 0, "size after increase with %s incorrect", >> - STRINGIFY (FTRUNCATE)); >> - >> - >> - if (TRUNCATE (name, 800) < 0) >> - error (EXIT_FAILURE, errno, "size reduction with %s failed", >> - STRINGIFY (TRUNCATE)); >> - >> - if (fstat (fd, &st) < 0 || st.st_size != 800) >> - error (EXIT_FAILURE, 0, "size after reduction with %s incorrect", >> - STRINGIFY (TRUNCATE)); >> - >> - /* The following test covers more than POSIX. POSIX does not require >> - that truncate() can increase the file size. But we are testing >> - Unix systems. */ >> - if (TRUNCATE (name, 1200) < 0) >> - error (EXIT_FAILURE, errno, "size increase with %s failed", >> - STRINGIFY (TRUNCATE)); >> - >> - if (fstat (fd, &st) < 0 || st.st_size != 1200) >> - error (EXIT_FAILURE, 0, "size after increase with %s incorrect", >> - STRINGIFY (TRUNCATE)); >> - >> - >> - close (fd); >> - unlink (name); >> - >> - return 0; >> + return do_test_with_offset (0); >> } >> diff --git a/posix/tst-truncate64.c b/posix/tst-truncate64.c >> index 64eb0a4..08c4942 100644 >> --- a/posix/tst-truncate64.c >> +++ b/posix/tst-truncate64.c >> @@ -17,7 +17,22 @@ >> License along with the GNU C Library; if not, see >> . */ >> >> -#define TRUNCATE truncate64 >> -#define FTRUNCATE ftruncate64 >> +#define _FILE_OFFSET_BITS 64 >> +#include "tst-truncate-common.c" >> >> -#include "tst-truncate.c" >> +static int >> +do_test (void) >> +{ >> + int ret; >> + >> + ret = do_test_with_offset (0); >> + if (ret == -1) >> + return -1; >> + >> + off_t base_offset = UINT32_MAX + 512LL; >> + ret = do_test_with_offset (base_offset); >> + if (ret == -1) >> + return 1; >> + >> + return 0; >> +} >> diff --git a/sysdeps/unix/sysv/linux/arm/ftruncate64.c b/sysdeps/unix/sysv/linux/arm/ftruncate64.c >> deleted file mode 100644 >> index 0e8d8ba..0000000 >> --- a/sysdeps/unix/sysv/linux/arm/ftruncate64.c >> +++ /dev/null >> @@ -1,36 +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 >> - . */ >> - >> -#include >> -#include >> -#include >> -#include >> - >> -#include >> -#include >> - >> -/* Truncate the file FD refers to to LENGTH bytes. */ >> -int >> -__ftruncate64 (int fd, off64_t length) >> -{ >> - unsigned int low = length & 0xffffffff; >> - unsigned int high = length >> 32; >> - int result = INLINE_SYSCALL (ftruncate64, 4, fd, 0, >> - __LONG_LONG_PAIR (high, low)); >> - return result; >> -} >> -weak_alias (__ftruncate64, ftruncate64) >> diff --git a/sysdeps/unix/sysv/linux/ftruncate.c b/sysdeps/unix/sysv/linux/ftruncate.c >> new file mode 100644 >> index 0000000..5c0cd44 >> --- /dev/null >> +++ b/sysdeps/unix/sysv/linux/ftruncate.c >> @@ -0,0 +1,35 @@ >> +/* 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 >> + . */ >> + >> +#include >> +#include >> +#include >> + >> +#ifndef __OFF_T_MATCHES_OFF64_T >> +/* Truncate the file FD refers to LENGTH bytes. */ >> +int >> +__ftruncate (int fd, off_t length) >> +{ >> +# ifndef __NR_ftruncate >> + return INLINE_SYSCALL_CALL (ftruncate64, fd, >> + __ALIGNMENT_ARG SYSCALL_LL (length)); >> +# else >> + return INLINE_SYSCALL_CALL (ftruncate, fd, length); >> +# endif >> +} >> +weak_alias (__ftruncate, ftruncate) >> +#endif >> diff --git a/sysdeps/unix/sysv/linux/ftruncate64.c b/sysdeps/unix/sysv/linux/ftruncate64.c >> index a6bf878..914ce67 100644 >> --- a/sysdeps/unix/sysv/linux/ftruncate64.c >> +++ b/sysdeps/unix/sysv/linux/ftruncate64.c >> @@ -15,22 +15,23 @@ >> License along with the GNU C Library; if not, see >> . */ >> >> -#include >> -#include >> -#include >> #include >> - >> #include >> -#include >> +#include >> + >> +#ifndef __NR_ftruncate64 >> +# define __NR_ftruncate64 __NR_ftruncate >> +#endif >> >> /* Truncate the file referenced by FD to LENGTH bytes. */ >> int >> __ftruncate64 (int fd, off64_t length) >> { >> - unsigned int low = length & 0xffffffff; >> - unsigned int high = length >> 32; >> - int result = INLINE_SYSCALL (ftruncate64, 3, fd, >> - __LONG_LONG_PAIR (high, low)); >> - return result; >> + return INLINE_SYSCALL_CALL (ftruncate64, fd, >> + __ALIGNMENT_ARG SYSCALL_LL64 (length)); >> } >> weak_alias (__ftruncate64, ftruncate64) >> + >> +#ifdef __OFF_T_MATCHES_OFF64_T >> +weak_alias (__ftruncate64, ftruncate); >> +#endif >> diff --git a/sysdeps/unix/sysv/linux/generic/wordsize-32/ftruncate.c b/sysdeps/unix/sysv/linux/generic/wordsize-32/ftruncate.c >> deleted file mode 100644 >> index e1b500d..0000000 >> --- a/sysdeps/unix/sysv/linux/generic/wordsize-32/ftruncate.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 , 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 >> - . */ >> - >> -#include >> -#include >> -#include >> - >> -/* Truncate the file FD refers to to LENGTH bytes. */ >> -int >> -__ftruncate (int fd, off_t length) >> -{ >> - return INLINE_SYSCALL (ftruncate64, __ALIGNMENT_COUNT (3, 4), fd, >> - __ALIGNMENT_ARG >> - __LONG_LONG_PAIR (length >> 31, length)); >> -} >> -weak_alias (__ftruncate, ftruncate) >> diff --git a/sysdeps/unix/sysv/linux/generic/wordsize-32/ftruncate64.c b/sysdeps/unix/sysv/linux/generic/wordsize-32/ftruncate64.c >> deleted file mode 100644 >> index 946f05a..0000000 >> --- a/sysdeps/unix/sysv/linux/generic/wordsize-32/ftruncate64.c >> +++ /dev/null >> @@ -1,32 +0,0 @@ >> -/* Copyright (C) 2011-2016 Free Software Foundation, Inc. >> - This file is part of the GNU C Library. >> - Contributed by Chris Metcalf , 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 >> - . */ >> - >> -#include >> -#include >> -#include >> - >> -/* Truncate the file FD refers to to LENGTH bytes. */ >> -int >> -__ftruncate64 (int fd, off64_t length) >> -{ >> - unsigned int low = length & 0xffffffff; >> - unsigned int high = length >> 32; >> - return INLINE_SYSCALL (ftruncate64, __ALIGNMENT_COUNT (3, 4), fd, >> - __ALIGNMENT_ARG __LONG_LONG_PAIR (high, low)); >> -} >> -weak_alias (__ftruncate64, ftruncate64) >> diff --git a/sysdeps/unix/sysv/linux/mips/mips32/ftruncate64.c b/sysdeps/unix/sysv/linux/mips/mips32/ftruncate64.c >> deleted file mode 100644 >> index 0e8d8ba..0000000 >> --- a/sysdeps/unix/sysv/linux/mips/mips32/ftruncate64.c >> +++ /dev/null >> @@ -1,36 +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 >> - . */ >> - >> -#include >> -#include >> -#include >> -#include >> - >> -#include >> -#include >> - >> -/* Truncate the file FD refers to to LENGTH bytes. */ >> -int >> -__ftruncate64 (int fd, off64_t length) >> -{ >> - unsigned int low = length & 0xffffffff; >> - unsigned int high = length >> 32; >> - int result = INLINE_SYSCALL (ftruncate64, 4, fd, 0, >> - __LONG_LONG_PAIR (high, low)); >> - return result; >> -} >> -weak_alias (__ftruncate64, ftruncate64) >> diff --git a/sysdeps/unix/sysv/linux/mips/mips64/ftruncate64.c b/sysdeps/unix/sysv/linux/mips/mips64/ftruncate64.c >> deleted file mode 100644 >> index 6e25b02..0000000 >> --- a/sysdeps/unix/sysv/linux/mips/mips64/ftruncate64.c >> +++ /dev/null >> @@ -1 +0,0 @@ >> -/* Empty. */ >> diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/ftruncate64.c b/sysdeps/unix/sysv/linux/powerpc/powerpc32/ftruncate64.c >> deleted file mode 100644 >> index 9eee1d7..0000000 >> --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/ftruncate64.c >> +++ /dev/null >> @@ -1,36 +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 >> - . */ >> - >> -#include >> -#include >> -#include >> - >> -#include >> -#include >> - >> -/* Truncate the file referenced by FD to LENGTH bytes. */ >> -int >> -__ftruncate64 (int fd, off64_t length) >> -{ >> - /* On PPC32 64bit values are aligned in odd/even register pairs. */ >> - int result = INLINE_SYSCALL (ftruncate64, 4, fd, 0, >> - (long) (length >> 32), >> - (long) length); >> - >> - return result; >> -} >> -weak_alias (__ftruncate64, ftruncate64) >> diff --git a/sysdeps/unix/sysv/linux/wordsize-64/ftruncate64.c b/sysdeps/unix/sysv/linux/wordsize-64/ftruncate64.c >> deleted file mode 100644 >> index 673a8b5..0000000 >> --- a/sysdeps/unix/sysv/linux/wordsize-64/ftruncate64.c >> +++ /dev/null >> @@ -1 +0,0 @@ >> -/* ftruncate64 is the same as ftruncate. */ >>