From: Frederic Berat <fberat@redhat.com>
To: Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org>
Cc: Maxim Kuvyrkov via Libc-alpha <libc-alpha@sourceware.org>,
siddhesh@gotplt.org
Subject: Re: [PATCH v6 5/7] tests: replace fgets by xfgets
Date: Thu, 8 Jun 2023 08:57:01 +0200 [thread overview]
Message-ID: <CAObJKZowGTUaOWpAB=+fiuW9w1yVyvAsbXfg2Db=mQvoTmFYpw@mail.gmail.com> (raw)
In-Reply-To: <B028AFC5-A067-4F16-97E9-E0C023AC6063@linaro.org>
On Thu, Jun 8, 2023 at 7:51 AM Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org> wrote:
>
> Hi Frédéric,
>
> One of the patches in this series fails lint-makefile test [1]. Let me know if you need any assistance in reproducing this.
Thanks, yes I noticed that yesterday on patch 2 and 4. Interestingly
the patch 3 didn't but I'll fix it too.
There is another version pending already, I'll send it soon hopefully.
>
> ===
> --- /home/maxim.kuvyrkov/tcwg_gnu/glibc/support/Makefile.expected
> +++ /home/maxim.kuvyrkov/tcwg_gnu/glibc/support/Makefile 2023-06-08 05:41:24.238665318 +0000
> @@ -126,8 +126,8 @@
> xfgets \
> xfopen \
> xfork \
> - xfread \
> xfreopen \
> + xfread \
> xftruncate \
> xgetline \
> xgetsockname \
> @@ -197,8 +197,8 @@
> xpthread_spin_lock \
> xpthread_spin_unlock \
> xraise \
> - xread \
> xreadlink \
> + xread \
> xrealloc \
> xrecvfrom \
> xsendto \
> @@ -211,8 +211,8 @@
> xstrdup \
> xstrndup \
> xsymlink \
> - xsysconf \
> xsystem \
> + xsysconf \
> xunlink \
> xuselocale \
> xwaitpid \
> ---
> Tested 200 Makefiles and 1 were incorrectly sorted
> Please use `patch -R -pN` and the output above to correct the sorting
> ===
>
> [1] https://ci.linaro.org/job/tcwg_glibc_check--master-aarch64-build/321/artifact/artifacts/artifacts.precommit/07-check_regression/fails.sum/*view*/
>
> --
> Maxim Kuvyrkov
> https://www.linaro.org
>
>
>
>
> > On Jun 2, 2023, at 19:28, Frédéric Bérat via Libc-alpha <libc-alpha@sourceware.org> wrote:
> >
> > With fortification enabled, fgets calls return result needs to be checked,
> > has it gets the __wur macro enabled.
> > ---
> > Changes since v4/v5:
> > - Rebased
> >
> > assert/test-assert-perr.c | 8 +++++---
> > assert/test-assert.c | 8 +++++---
> > stdio-common/test_rdwr.c | 11 ++++-------
> > support/Makefile | 1 +
> > support/xfgets.c | 32 ++++++++++++++++++++++++++++++++
> > support/xstdio.h | 1 +
> > sysdeps/pthread/tst-cancel6.c | 3 ++-
> > 7 files changed, 50 insertions(+), 14 deletions(-)
> > create mode 100644 support/xfgets.c
> >
> > diff --git a/assert/test-assert-perr.c b/assert/test-assert-perr.c
> > index 8496db6ffd..09a4fcb6ef 100644
> > --- a/assert/test-assert-perr.c
> > +++ b/assert/test-assert-perr.c
> > @@ -11,6 +11,8 @@
> > #include <string.h>
> > #include <setjmp.h>
> >
> > +#include <support/xstdio.h>
> > +
> > jmp_buf rec;
> > char buf[160];
> >
> > @@ -70,15 +72,15 @@ main(void)
> > failed = 1; /* should not happen */
> >
> > rewind (stderr);
> > - fgets (buf, 160, stderr);
> > + xfgets (buf, 160, stderr);
> > if (!strstr(buf, strerror (1)))
> > failed = 1;
> >
> > - fgets (buf, 160, stderr);
> > + xfgets (buf, 160, stderr);
> > if (strstr (buf, strerror (0)))
> > failed = 1;
> >
> > - fgets (buf, 160, stderr);
> > + xfgets (buf, 160, stderr);
> > if (strstr (buf, strerror (2)))
> > failed = 1;
> >
> > diff --git a/assert/test-assert.c b/assert/test-assert.c
> > index 26b58d4dd3..25e264543b 100644
> > --- a/assert/test-assert.c
> > +++ b/assert/test-assert.c
> > @@ -11,6 +11,8 @@
> > #include <string.h>
> > #include <setjmp.h>
> >
> > +#include <support/xstdio.h>
> > +
> > jmp_buf rec;
> > char buf[160];
> >
> > @@ -72,15 +74,15 @@ main (void)
> > failed = 1; /* should not happen */
> >
> > rewind (stderr);
> > - fgets (buf, 160, stderr);
> > + xfgets (buf, 160, stderr);
> > if (!strstr (buf, "1 == 2"))
> > failed = 1;
> >
> > - fgets (buf, 160, stderr);
> > + xfgets (buf, 160, stderr);
> > if (strstr (buf, "1 == 1"))
> > failed = 1;
> >
> > - fgets (buf, 160, stderr);
> > + xfgets (buf, 160, stderr);
> > if (strstr (buf, "2 == 3"))
> > failed = 1;
> >
> > diff --git a/stdio-common/test_rdwr.c b/stdio-common/test_rdwr.c
> > index 7825ca9358..0544916eb1 100644
> > --- a/stdio-common/test_rdwr.c
> > +++ b/stdio-common/test_rdwr.c
> > @@ -20,6 +20,7 @@
> > #include <stdlib.h>
> > #include <string.h>
> >
> > +#include <support/xstdio.h>
> >
> > int
> > main (int argc, char **argv)
> > @@ -49,7 +50,7 @@ main (int argc, char **argv)
> >
> > (void) fputs (hello, f);
> > rewind (f);
> > - (void) fgets (buf, sizeof (buf), f);
> > + xfgets (buf, sizeof (buf), f);
> > rewind (f);
> > (void) fputs (buf, f);
> > rewind (f);
> > @@ -104,12 +105,8 @@ main (int argc, char **argv)
> > if (!lose)
> > {
> > rewind (f);
> > - if (fgets (buf, sizeof (buf), f) == NULL)
> > - {
> > - printf ("fgets got %s.\n", strerror(errno));
> > - lose = 1;
> > - }
> > - else if (strcmp (buf, replace))
> > + xfgets (buf, sizeof (buf), f);
> > + if (strcmp (buf, replace))
> > {
> > printf ("Read \"%s\" instead of \"%s\".\n", buf, replace);
> > lose = 1;
> > diff --git a/support/Makefile b/support/Makefile
> > index 3eed2deb1a..bbd3465d04 100644
> > --- a/support/Makefile
> > +++ b/support/Makefile
> > @@ -123,6 +123,7 @@ libsupport-routines = \
> > xdup2 \
> > xfchmod \
> > xfclose \
> > + xfgets \
> > xfopen \
> > xfork \
> > xfreopen \
> > diff --git a/support/xfgets.c b/support/xfgets.c
> > new file mode 100644
> > index 0000000000..e2db19cf53
> > --- /dev/null
> > +++ b/support/xfgets.c
> > @@ -0,0 +1,32 @@
> > +/* fgets with error checking.
> > + Copyright (C) 2016-2023 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 <support/xstdio.h>
> > +
> > +#include <support/check.h>
> > +#include <stdlib.h>
> > +
> > +char *
> > +xfgets (char *s, int size, FILE *stream)
> > +{
> > + char *ret = fgets (s, size, stream);
> > + if (!ret && ferror(stream))
> > + FAIL_EXIT1 ("fgets failed: %m");
> > +
> > + return ret;
> > +}
> > diff --git a/support/xstdio.h b/support/xstdio.h
> > index 633c342c82..f30bee6a20 100644
> > --- a/support/xstdio.h
> > +++ b/support/xstdio.h
> > @@ -28,6 +28,7 @@ FILE *xfopen (const char *path, const char *mode);
> > void xfclose (FILE *);
> > FILE *xfreopen (const char *path, const char *mode, FILE *stream);
> > void xfread (void *ptr, size_t size, size_t nmemb, FILE *stream);
> > +char *xfgets (char *s, int size, FILE *stream);
> >
> > /* Read a line from FP, using getline. *BUFFER must be NULL, or a
> > heap-allocated pointer of *LENGTH bytes. Return the number of
> > diff --git a/sysdeps/pthread/tst-cancel6.c b/sysdeps/pthread/tst-cancel6.c
> > index 63e6d49707..49b7399353 100644
> > --- a/sysdeps/pthread/tst-cancel6.c
> > +++ b/sysdeps/pthread/tst-cancel6.c
> > @@ -20,12 +20,13 @@
> > #include <stdlib.h>
> > #include <unistd.h>
> >
> > +#include <support/xstdio.h>
> >
> > static void *
> > tf (void *arg)
> > {
> > char buf[100];
> > - fgets (buf, sizeof (buf), arg);
> > + xfgets (buf, sizeof (buf), arg);
> > /* This call should never return. */
> > return NULL;
> > }
> > --
> > 2.40.1
> >
>
next prev parent reply other threads:[~2023-06-08 6:57 UTC|newest]
Thread overview: 109+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-18 12:11 [PATCH 0/8] Fix warn unused result Frédéric Bérat
2023-04-18 12:11 ` [PATCH 1/8] tests: fix " Frédéric Bérat
2023-04-18 12:23 ` Siddhesh Poyarekar
2023-04-28 12:21 ` [PATCH v4 07/15] tests: fix warn unused result on asprintf calls Frédéric Bérat
2023-05-25 1:07 ` Siddhesh Poyarekar
2023-05-31 14:36 ` Frederic Berat
2023-04-28 12:21 ` [PATCH v4 08/15] tests: replace write by xwrite Frédéric Bérat
2023-05-25 1:16 ` Siddhesh Poyarekar
2023-06-01 16:39 ` Siddhesh Poyarekar
2023-04-28 12:21 ` [PATCH v4 09/15] tests: replace read by xread Frédéric Bérat
2023-04-28 12:21 ` [PATCH v4 10/15] tests: replace system by xsystem Frédéric Bérat
2023-05-25 1:22 ` Siddhesh Poyarekar
2023-04-28 12:21 ` [PATCH v4 11/15] tests: replace fread by xfread Frédéric Bérat
2023-04-28 12:21 ` [PATCH v4 12/15] tests: replace ftruncate by xftruncate Frédéric Bérat
2023-05-25 1:25 ` Siddhesh Poyarekar
2023-06-01 16:42 ` Siddhesh Poyarekar
2023-04-28 12:21 ` [PATCH v4 13/15] tests: replace fgets by xfgets Frédéric Bérat
2023-04-28 12:21 ` [PATCH v4 14/15] tests: Replace various function calls with their x variant Frédéric Bérat
2023-05-25 1:29 ` Siddhesh Poyarekar
2023-05-25 16:10 ` Frederic Berat
2023-04-28 12:21 ` [PATCH v4 15/15] tests: fix warn unused results Frédéric Bérat
2023-05-25 1:35 ` Siddhesh Poyarekar
2023-06-01 14:27 ` [PATCH v5 04/12] tests: fix warn unused result on asprintf calls Frédéric Bérat
2023-06-01 16:52 ` Siddhesh Poyarekar
2023-06-01 14:27 ` [PATCH v5 07/12] tests: replace system by xsystem Frédéric Bérat
2023-06-01 16:56 ` Siddhesh Poyarekar
2023-06-01 14:27 ` [PATCH v5 12/12] tests: fix warn unused results Frédéric Bérat
2023-06-01 16:57 ` Siddhesh Poyarekar
2023-04-18 12:11 ` [PATCH 2/8] catgets/gencat.c: fix warn unused result Frédéric Bérat
2023-04-18 12:36 ` Siddhesh Poyarekar
2023-04-28 12:21 ` [PATCH v4 01/15] " Frédéric Bérat
2023-05-24 22:47 ` Siddhesh Poyarekar
2023-06-01 14:27 ` [PATCH v5 01/12] " Frédéric Bérat
2023-06-01 16:47 ` Siddhesh Poyarekar
2023-04-18 12:11 ` [PATCH 3/8] inet/rcmd.c: " Frédéric Bérat
2023-04-18 12:37 ` Siddhesh Poyarekar
2023-04-18 13:40 ` Andreas Schwab
2023-04-18 13:50 ` Siddhesh Poyarekar
2023-04-18 12:11 ` [PATCH 4/8] locale/programs/locarchive.c: " Frédéric Bérat
2023-04-18 12:43 ` Siddhesh Poyarekar
2023-04-28 12:21 ` [PATCH v4 02/15] " Frédéric Bérat
2023-05-24 22:49 ` Siddhesh Poyarekar
2023-06-01 14:27 ` [PATCH v5 02/12] malloc/{memusage.c,memusagestat.c}: " Frédéric Bérat
2023-06-01 16:49 ` Siddhesh Poyarekar
2023-04-18 12:11 ` [PATCH 5/8] " Frédéric Bérat
2023-04-18 12:47 ` [PATCH 5/8] malloc/{memusage.c, memusagestat.c}: " Siddhesh Poyarekar
2023-04-28 12:21 ` [PATCH v4 03/15] malloc/{memusage.c,memusagestat.c}: " Frédéric Bérat
2023-05-25 0:50 ` Siddhesh Poyarekar
2023-06-01 15:55 ` [PATCH] Move {read,write}_all functions to a dedicated header Frédéric Bérat
2023-06-01 17:07 ` Siddhesh Poyarekar
2023-06-02 6:10 ` Frederic Berat
2023-06-02 10:01 ` Siddhesh Poyarekar
2023-04-18 12:11 ` [PATCH 6/8] nptl_db/thread_dbP.h: fix warn unused result Frédéric Bérat
2023-04-18 12:49 ` Siddhesh Poyarekar
2023-04-18 12:51 ` Siddhesh Poyarekar
2023-04-28 12:21 ` [PATCH v4 04/15] " Frédéric Bérat
2023-05-25 0:51 ` Siddhesh Poyarekar
2023-05-25 1:52 ` Siddhesh Poyarekar
2023-06-01 14:27 ` [PATCH v5 03/12] " Frédéric Bérat
2023-06-01 16:49 ` Siddhesh Poyarekar
2023-04-18 12:11 ` [PATCH 7/8] sunrpc/netname.c: " Frédéric Bérat
2023-04-18 12:51 ` Siddhesh Poyarekar
2023-04-28 12:21 ` [PATCH v4 05/15] " Frédéric Bérat
2023-05-25 0:53 ` Siddhesh Poyarekar
2023-04-18 12:11 ` [PATCH 8/8] sysdeps/pthread/eintr.c: " Frédéric Bérat
2023-04-18 12:54 ` Siddhesh Poyarekar
2023-04-28 12:21 ` [PATCH v4 06/15] " Frédéric Bérat
2023-05-25 0:59 ` Siddhesh Poyarekar
2023-04-28 12:21 ` [PATCH v4 00/15] Fix " Frédéric Bérat
2023-05-25 1:53 ` Siddhesh Poyarekar
2023-06-02 15:28 ` [PATCH v6 0/7] " Frédéric Bérat
2023-06-02 15:28 ` [PATCH v6 1/7] tests: fix warn unused result on asprintf calls Frédéric Bérat
2023-06-06 6:18 ` Siddhesh Poyarekar
2023-06-02 15:28 ` [PATCH v6 2/7] tests: replace read by xread Frédéric Bérat
2023-06-06 6:21 ` Siddhesh Poyarekar
2023-06-06 8:00 ` Frederic Berat
2023-06-12 14:22 ` Siddhesh Poyarekar
2023-06-07 19:04 ` Frederic Berat
2023-06-02 15:28 ` [PATCH v6 3/7] tests: replace system by xsystem Frédéric Bérat
2023-06-06 12:17 ` Siddhesh Poyarekar
2023-06-02 15:28 ` [PATCH v6 4/7] tests: replace fread by xfread Frédéric Bérat
2023-06-06 12:18 ` Siddhesh Poyarekar
2023-06-07 19:03 ` Frederic Berat
2023-06-02 15:28 ` [PATCH v6 5/7] tests: replace fgets by xfgets Frédéric Bérat
2023-06-06 12:20 ` Siddhesh Poyarekar
2023-06-08 5:50 ` Maxim Kuvyrkov
2023-06-08 6:57 ` Frederic Berat [this message]
2023-06-02 15:28 ` [PATCH v6 6/7] tests: Replace various function calls with their x variant Frédéric Bérat
2023-06-06 12:20 ` Siddhesh Poyarekar
2023-06-02 15:28 ` [PATCH v6 7/7] Move {read,write}_all functions to a dedicated header Frédéric Bérat
2023-06-06 12:21 ` Siddhesh Poyarekar
2023-06-12 15:18 ` [PATCH v7 0/4] Fix warn unused result Frédéric Bérat
2023-06-12 15:18 ` [PATCH v7 1/4] tests: replace read by xread Frédéric Bérat
2023-06-12 16:57 ` Joseph Myers
2023-06-13 14:22 ` Frederic Berat
2023-06-14 8:52 ` [PATCH v8 1/2] " Frédéric Bérat
2023-06-14 11:51 ` Siddhesh Poyarekar
2023-06-12 15:18 ` [PATCH v7 2/4] tests: replace system by xsystem Frédéric Bérat
2023-06-13 14:10 ` Siddhesh Poyarekar
2023-06-13 14:13 ` Adhemerval Zanella Netto
2023-06-13 14:16 ` Siddhesh Poyarekar
2023-06-14 8:52 ` [PATCH 2/2] " Frédéric Bérat
2023-06-14 11:53 ` Siddhesh Poyarekar
2023-06-12 15:18 ` [PATCH v7 3/4] tests: replace fread by xfread Frédéric Bérat
2023-06-13 23:57 ` Siddhesh Poyarekar
2023-06-12 15:18 ` [PATCH v7 4/4] tests: replace fgets by xfgets Frédéric Bérat
2023-06-13 12:23 ` Siddhesh Poyarekar
2023-06-13 18:25 ` Joseph Myers
2023-06-13 23:56 ` Siddhesh Poyarekar
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