From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 129816 invoked by alias); 11 Oct 2016 14:41:55 -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 129722 invoked by uid 89); 11 Oct 2016 14:41:54 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.4 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_NONE,RCVD_IN_SORBS_SPAM,SPF_PASS autolearn=no version=3.3.2 spammy=1200, 1,88, powerpc32, 1,36 X-HELO: mail-yb0-f181.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=n8Bp87kNClWvx0vBYdVegGMG4rkTGYCyn2MGSzEuXPg=; b=fwNhvNtOGFXVT4c3frmGaAqdYAJE86Xl3LkzeZ+ex0Y5JFKxdYXZYWR2LUgIs+t8xw v3CqnW0iKVxYflPinlqHd15piKhQoslDMcyN6du1ub3sySALktA5oh4WXdrT3T2jj+Gc wxbDUb6q1cKydhHNpMBmPbshGouQme6YFJ8GiUZvZKrZ1ZYPMh/nk7BaAUBeXMZ3viGT AbuYoP5KnnJPTJsei5d1AjXXPn4Mq8K1K3HMplT7pLrduNDEHnhrQ+2gy7gTDt8o8n4/ aFxt41oHKXqoAza7Qy54of7BpqZbclXFv95C2ehqq9YFu5+K06m0xQdDRv4uf/IqT8ys Rfow== X-Gm-Message-State: AA6/9RkkS3V8chCVRwRXFRg76OKjiLBx5o5uXOcwWhlY4gSGjDZyXox0bLFE2yI3dAxyyhpS X-Received: by 10.31.167.73 with SMTP id q70mr3548367vke.96.1476196902246; Tue, 11 Oct 2016 07:41:42 -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> From: Adhemerval Zanella Message-ID: <233a183a-8327-4077-77ad-f90d20505f2e@linaro.org> Date: Tue, 11 Oct 2016 14:41:00 -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: <1474383714-15187-4-git-send-email-adhemerval.zanella@linaro.org> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-SW-Source: 2016-10/txt/msg00205.txt.bz2 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. */ >