From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from localhost (localhost [127.0.0.1]) by olra.theworths.org (Postfix) with ESMTP id 041EC431FB6 for ; Mon, 7 May 2012 14:14:19 -0700 (PDT) X-Virus-Scanned: Debian amavisd-new at olra.theworths.org X-Spam-Flag: NO X-Spam-Score: -0.699 X-Spam-Level: X-Spam-Status: No, score=-0.699 tagged_above=-999 required=5 tests=[HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-0.7] autolearn=disabled Received: from olra.theworths.org ([127.0.0.1]) by localhost (olra.theworths.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 97veg8Yqlq81 for ; Mon, 7 May 2012 14:14:17 -0700 (PDT) Received: from mail-pz0-f45.google.com (mail-pz0-f45.google.com [209.85.210.45]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by olra.theworths.org (Postfix) with ESMTPS id 5297A431FAE for ; Mon, 7 May 2012 14:14:17 -0700 (PDT) Received: by dadv2 with SMTP id v2so1373526dad.18 for ; Mon, 07 May 2012 14:14:16 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:x-gm-message-state; bh=1XJHml9Fai3ajFhy8njaKRybJ9bdn4wi71JTo2fkpHg=; b=mOYmGNPyWdZGVzSReOh3GMZmJndsYVkhoMrB1S9cG+Hra6QxwihmERdrYETMcZx9yR //BFaI/LgnRNktwIwjYP9uJ4mHnKlv6XChQP93ZtPACQtU6P285TnkF9iTa3b/5sn1Vg gXJXLM/aeohszPV7Is9G2PEI0S5jCZq/Tq7pjqPykI/2urUcLSuyZpVGiYPwFOiCVXor zPJackD7I/L/kSNHaMI40Hpf1uxzV1DW0QYRNVh9Bxi8bARWldpcysTCgx8Wni6c9FRK WFsDXetSlFNjOxyfHTREcueXbLW+ZOxiLGOdkbBDTMrrFchXdfrvjQsWe7DutSJUA7vc 3AEw== MIME-Version: 1.0 Received: by 10.68.236.5 with SMTP id uq5mr455946pbc.165.1336425256404; Mon, 07 May 2012 14:14:16 -0700 (PDT) Received: by 10.68.52.33 with HTTP; Mon, 7 May 2012 14:14:16 -0700 (PDT) Received: by 10.68.52.33 with HTTP; Mon, 7 May 2012 14:14:16 -0700 (PDT) In-Reply-To: References: <1336414186-15293-1-git-send-email-amdragon@mit.edu> <1336414186-15293-3-git-send-email-amdragon@mit.edu> Date: Tue, 8 May 2012 00:14:16 +0300 Message-ID: Subject: Re: [PATCH 2/2] new: Centralize file type stat-ing logic From: Jani Nikula To: Austin Clements Content-Type: multipart/alternative; boundary=047d7b33c9c6ad473d04bf78c08a X-Gm-Message-State: ALoCoQko9LcsJsIgWSM/hFYSIQSv26f8OUh8J4IapJWfjPERaQjv4mx9V6NmvBdVtDh3XV80rQPa Cc: Notmuch Mail , Vladimir Marek X-BeenThere: notmuch@notmuchmail.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: "Use and development of the notmuch mail system." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 07 May 2012 21:14:19 -0000 --047d7b33c9c6ad473d04bf78c08a Content-Type: text/plain; charset=UTF-8 On May 8, 2012 12:08 AM, "Jani Nikula" wrote: > > > On May 7, 2012 9:10 PM, "Austin Clements" wrote: > > > > This moves our logic to get a file's type into one function. This has > > several benefits: we can support OSes and file systems that do not > > provide dirent.d_type or always return DT_UNKNOWN, complex > > symlink-handling logic has been replaced by a simple stat fall-through > > in one place, and the error message for un-stat-able file is more > > accurate (previously, the error always mentioned directories, even > > though a broken symlink is not a directory). > > Please find some quick drive-by-review below. Forgot to add that the general approach seems sensible to me. > > J. > > > --- > > notmuch-new.c | 99 ++++++++++++++++++++++++++++++++++----------------------- > > test/new | 2 +- > > 2 files changed, 60 insertions(+), 41 deletions(-) > > > > diff --git a/notmuch-new.c b/notmuch-new.c > > index cb720cc..cf2580e 100644 > > --- a/notmuch-new.c > > +++ b/notmuch-new.c > > @@ -154,6 +154,44 @@ dirent_sort_strcmp_name (const struct dirent **a, const struct dirent **b) > > return strcmp ((*a)->d_name, (*b)->d_name); > > } > > > > +/* Return the type of a directory entry relative to path as a stat(2) > > + * mode. Like stat, this follows symlinks. Returns -1 and sets errno > > + * if the file's type cannot be determined (which includes dangling > > + * symlinks). > > + */ > > +static int > > +dirent_type (const char *path, const struct dirent *entry) > > +{ > > + struct stat statbuf; > > + char *abspath; > > + int err; > > + > > +#ifdef _DIRENT_HAVE_D_TYPE > > + /* Mapping from d_type to stat mode_t. We omit DT_LNK so that > > + * we'll fall through to stat and get the real file type. */ > > + static const mode_t modes[] = { > > + [DT_BLK] = S_IFBLK, > > + [DT_CHR] = S_IFCHR, > > + [DT_DIR] = S_IFDIR, > > + [DT_FIFO] = S_IFIFO, > > + [DT_REG] = S_IFREG, > > + [DT_SOCK] = S_IFSOCK > > + }; > > + if (entry->d_type < sizeof(modes)/sizeof(modes[0]) && > > ARRAY_SIZE() > > > + modes[entry->d_type]) > > + return modes[entry->d_type]; > > +#endif > > + > > + abspath = talloc_asprintf (NULL, "%s/%s", path, entry->d_name); > > + if (!abspath) > > + return -1; > > Does talloc set errno in this case? I suspect not. > > > + err = stat(abspath, &statbuf); > > + talloc_free (abspath); > > This likely breaks your promise about errno. You can't trust talloc_free() not calling some function that sets errno. > > > + if (err < 0) > > + return -1; > > + return statbuf.st_mode & S_IFMT; > > +} > > + > > /* Test if the directory looks like a Maildir directory. > > * > > * Search through the array of directory entries to see if we can find all > > @@ -162,12 +200,12 @@ dirent_sort_strcmp_name (const struct dirent **a, const struct dirent **b) > > * Return 1 if the directory looks like a Maildir and 0 otherwise. > > */ > > static int > > -_entries_resemble_maildir (struct dirent **entries, int count) > > +_entries_resemble_maildir (const char *path, struct dirent **entries, int count) > > { > > int i, found = 0; > > > > for (i = 0; i < count; i++) { > > - if (entries[i]->d_type != DT_DIR && entries[i]->d_type != DT_UNKNOWN) > > + if (dirent_type (path, entries[i]) != S_IFDIR) > > continue; > > > > if (strcmp(entries[i]->d_name, "new") == 0 || > > @@ -250,7 +288,7 @@ add_files_recursive (notmuch_database_t *notmuch, > > notmuch_status_t status, ret = NOTMUCH_STATUS_SUCCESS; > > notmuch_message_t *message = NULL; > > struct dirent **fs_entries = NULL; > > - int i, num_fs_entries; > > + int i, num_fs_entries, entry_type; > > notmuch_directory_t *directory; > > notmuch_filenames_t *db_files = NULL; > > notmuch_filenames_t *db_subdirs = NULL; > > @@ -317,7 +355,7 @@ add_files_recursive (notmuch_database_t *notmuch, > > } > > > > /* Pass 1: Recurse into all sub-directories. */ > > - is_maildir = _entries_resemble_maildir (fs_entries, num_fs_entries); > > + is_maildir = _entries_resemble_maildir (path, fs_entries, num_fs_entries); > > > > for (i = 0; i < num_fs_entries; i++) { > > if (interrupted) > > @@ -325,17 +363,16 @@ add_files_recursive (notmuch_database_t *notmuch, > > > > entry = fs_entries[i]; > > > > - /* We only want to descend into directories. > > - * But symlinks can be to directories too, of course. > > - * > > - * And if the filesystem doesn't tell us the file type in the > > - * scandir results, then it might be a directory (and if not, > > - * then we'll stat and return immediately in the next level of > > - * recursion). */ > > - if (entry->d_type != DT_DIR && > > - entry->d_type != DT_LNK && > > - entry->d_type != DT_UNKNOWN) > > - { > > + /* We only want to descend into directories (and symlinks to > > + * directories). */ > > + entry_type = dirent_type (path, entry); > > + if (entry_type == -1) { > > + /* Be pessimistic, e.g. so we don't loose lots of mail > > s/loose/lose/ ? > > > + * just because a user broke a symlink. */ > > + fprintf (stderr, "Error reading file %s/%s: %s\n", > > + path, entry->d_name, strerror (errno)); > > You can't trust errno here, as explained above. > > > + return NOTMUCH_STATUS_FILE_ERROR; > > + } else if (entry_type != S_IFDIR) { > > continue; > > } > > > > @@ -425,31 +462,13 @@ add_files_recursive (notmuch_database_t *notmuch, > > notmuch_filenames_move_to_next (db_subdirs); > > } > > > > - /* If we're looking at a symlink, we only want to add it if it > > - * links to a regular file, (and not to a directory, say). > > - * > > - * Similarly, if the file is of unknown type (due to filesystem > > - * limitations), then we also need to look closer. > > - * > > - * In either case, a stat does the trick. > > - */ > > - if (entry->d_type == DT_LNK || entry->d_type == DT_UNKNOWN) { > > - int err; > > - > > - next = talloc_asprintf (notmuch, "%s/%s", path, entry->d_name); > > - err = stat (next, &st); > > - talloc_free (next); > > - next = NULL; > > - > > - /* Don't emit an error for a link pointing nowhere, since > > - * the directory-traversal pass will have already done > > - * that. */ > > - if (err) > > - continue; > > - > > - if (! S_ISREG (st.st_mode)) > > - continue; > > - } else if (entry->d_type != DT_REG) { > > + /* Only add regular files (and symlinks to regular files). */ > > + entry_type = dirent_type (path, entry); > > + if (entry_type == -1) { > > + fprintf (stderr, "Error reading file %s/%s: %s\n", > > + path, entry->d_name, strerror (errno)); > > Ditto. > > > + return NOTMUCH_STATUS_FILE_ERROR; > > + } else if (entry_type != S_IFREG) { > > continue; > > } > > > > diff --git a/test/new b/test/new > > index 26253db..e3900f5 100755 > > --- a/test/new > > +++ b/test/new > > @@ -140,7 +140,7 @@ test_begin_subtest "Broken symlink aborts" > > ln -s does-not-exist "${MAIL_DIR}/broken" > > output=$(NOTMUCH_NEW 2>&1) > > test_expect_equal "$output" \ > > -"Error reading directory /run/shm/nm/tmp.new/mail/broken: No such file or directory > > +"Error reading file /run/shm/nm/tmp.new/mail/broken: No such file or directory > > Note: A fatal error was encountered: Something went wrong trying to read or write a file > > No new mail." > > rm "${MAIL_DIR}/broken" > > -- > > 1.7.10 > > > > _______________________________________________ > > notmuch mailing list > > notmuch@notmuchmail.org > > http://notmuchmail.org/mailman/listinfo/notmuch --047d7b33c9c6ad473d04bf78c08a Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable


On May 8, 2012 12:08 AM, "Jani Nikula" <jani@nikula.org> wrote:
>
>
> On May 7, 2012 9:10 PM, "Austin Clements" <amdragon@mit.edu> wrote:
> >
> > This moves our logic to get a file's type into one function. = =C2=A0This has
> > several benefits: we can support OSes and file systems that do no= t
> > provide dirent.d_type or always return DT_UNKNOWN, complex
> > symlink-handling logic has been replaced by a simple stat fall-th= rough
> > in one place, and the error message for un-stat-able file is more=
> > accurate (previously, the error always mentioned directories, eve= n
> > though a broken symlink is not a directory).
>
> Please find some quick drive-by-review below.

Forgot to add that the general approach seems sensible to me.

>
> J.
>
> > ---
> > =C2=A0notmuch-new.c | =C2=A0 99 +++++++++++++++++++++++++++++++++= +-----------------------
> > =C2=A0test/new =C2=A0 =C2=A0 =C2=A0| =C2=A0 =C2=A02 +-
> > =C2=A02 files changed, 60 insertions(+), 41 deletions(-)
> >
> > diff --git a/notmuch-new.c b/notmuch-new.c
> > index cb720cc..cf2580e 100644
> > --- a/notmuch-new.c
> > +++ b/notmuch-new.c
> > @@ -154,6 +154,44 @@ dirent_sort_strcmp_name (const struct dirent= **a, const struct dirent **b)
> > =C2=A0 =C2=A0 return strcmp ((*a)->d_name, (*b)->d_name); > > =C2=A0}
> >
> > +/* Return the type of a directory entry relative to path as a st= at(2)
> > + * mode. =C2=A0Like stat, this follows symlinks. =C2=A0Returns -= 1 and sets errno
> > + * if the file's type cannot be determined (which includes d= angling
> > + * symlinks).
> > + */
> > +static int
> > +dirent_type (const char *path, const struct dirent *entry)
> > +{
> > + =C2=A0 =C2=A0struct stat statbuf;
> > + =C2=A0 =C2=A0char *abspath;
> > + =C2=A0 =C2=A0int err;
> > +
> > +#ifdef _DIRENT_HAVE_D_TYPE
> > + =C2=A0 =C2=A0/* Mapping from d_type to stat mode_t. =C2=A0We om= it DT_LNK so that
> > + =C2=A0 =C2=A0 * we'll fall through to stat and get the real= file type. */
> > + =C2=A0 =C2=A0static const mode_t modes[] =3D {
> > + =C2=A0 =C2=A0 =C2=A0 [DT_BLK] =C2=A0=3D S_IFBLK,
> > + =C2=A0 =C2=A0 =C2=A0 [DT_CHR] =C2=A0=3D S_IFCHR,
> > + =C2=A0 =C2=A0 =C2=A0 [DT_DIR] =C2=A0=3D S_IFDIR,
> > + =C2=A0 =C2=A0 =C2=A0 [DT_FIFO] =3D S_IFIFO,
> > + =C2=A0 =C2=A0 =C2=A0 [DT_REG] =C2=A0=3D S_IFREG,
> > + =C2=A0 =C2=A0 =C2=A0 [DT_SOCK] =3D S_IFSOCK
> > + =C2=A0 =C2=A0};
> > + =C2=A0 =C2=A0if (entry->d_type < sizeof(modes)/sizeof(mod= es[0]) &&
>
> ARRAY_SIZE()
>
> > + =C2=A0 =C2=A0 =C2=A0 modes[entry->d_type])
> > + =C2=A0 =C2=A0 =C2=A0 return modes[entry->d_type];
> > +#endif
> > +
> > + =C2=A0 =C2=A0abspath =3D talloc_asprintf (NULL, "%s/%s&quo= t;, path, entry->d_name);
> > + =C2=A0 =C2=A0if (!abspath)
> > + =C2=A0 =C2=A0 =C2=A0 return -1;
>
> Does talloc set errno in this case? I suspect not.
>
> > + =C2=A0 =C2=A0err =3D stat(abspath, &statbuf);
> > + =C2=A0 =C2=A0talloc_free (abspath);
>
> This likely breaks your promise about errno. You can't trust tallo= c_free() not calling some function that sets errno.
>
> > + =C2=A0 =C2=A0if (err < 0)
> > + =C2=A0 =C2=A0 =C2=A0 return -1;
> > + =C2=A0 =C2=A0return statbuf.st_mode & S_IFMT;
> > +}
> > +
> > =C2=A0/* Test if the directory looks like a Maildir directory. > > =C2=A0*
> > =C2=A0* Search through the array of directory entries to see if w= e can find all
> > @@ -162,12 +200,12 @@ dirent_sort_strcmp_name (const struct diren= t **a, const struct dirent **b)
> > =C2=A0* Return 1 if the directory looks like a Maildir and 0 othe= rwise.
> > =C2=A0*/
> > =C2=A0static int
> > -_entries_resemble_maildir (struct dirent **entries, int count) > > +_entries_resemble_maildir (const char *path, struct dirent **ent= ries, int count)
> > =C2=A0{
> > =C2=A0 =C2=A0 int i, found =3D 0;
> >
> > =C2=A0 =C2=A0 for (i =3D 0; i < count; i++) {
> > - =C2=A0 =C2=A0 =C2=A0 if (entries[i]->d_type !=3D DT_DIR &= ;& entries[i]->d_type !=3D DT_UNKNOWN)
> > + =C2=A0 =C2=A0 =C2=A0 if (dirent_type (path, entries[i]) !=3D S_= IFDIR)
> > =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0continue;
> >
> > =C2=A0 =C2=A0 =C2=A0 =C2=A0if (strcmp(entries[i]->d_name, &quo= t;new") =3D=3D 0 ||
> > @@ -250,7 +288,7 @@ add_files_recursive (notmuch_database_t *notm= uch,
> > =C2=A0 =C2=A0 notmuch_status_t status, ret =3D NOTMUCH_STATUS_SUC= CESS;
> > =C2=A0 =C2=A0 notmuch_message_t *message =3D NULL;
> > =C2=A0 =C2=A0 struct dirent **fs_entries =3D NULL;
> > - =C2=A0 =C2=A0int i, num_fs_entries;
> > + =C2=A0 =C2=A0int i, num_fs_entries, entry_type;
> > =C2=A0 =C2=A0 notmuch_directory_t *directory;
> > =C2=A0 =C2=A0 notmuch_filenames_t *db_files =3D NULL;
> > =C2=A0 =C2=A0 notmuch_filenames_t *db_subdirs =3D NULL;
> > @@ -317,7 +355,7 @@ add_files_recursive (notmuch_database_t *notm= uch,
> > =C2=A0 =C2=A0 }
> >
> > =C2=A0 =C2=A0 /* Pass 1: Recurse into all sub-directories. */
> > - =C2=A0 =C2=A0is_maildir =3D _entries_resemble_maildir (fs_entri= es, num_fs_entries);
> > + =C2=A0 =C2=A0is_maildir =3D _entries_resemble_maildir (path, fs= _entries, num_fs_entries);
> >
> > =C2=A0 =C2=A0 for (i =3D 0; i < num_fs_entries; i++) {
> > =C2=A0 =C2=A0 =C2=A0 =C2=A0if (interrupted)
> > @@ -325,17 +363,16 @@ add_files_recursive (notmuch_database_t *no= tmuch,
> >
> > =C2=A0 =C2=A0 =C2=A0 =C2=A0entry =3D fs_entries[i];
> >
> > - =C2=A0 =C2=A0 =C2=A0 /* We only want to descend into directorie= s.
> > - =C2=A0 =C2=A0 =C2=A0 =C2=A0* But symlinks can be to directories= too, of course.
> > - =C2=A0 =C2=A0 =C2=A0 =C2=A0*
> > - =C2=A0 =C2=A0 =C2=A0 =C2=A0* And if the filesystem doesn't = tell us the file type in the
> > - =C2=A0 =C2=A0 =C2=A0 =C2=A0* scandir results, then it might be = a directory (and if not,
> > - =C2=A0 =C2=A0 =C2=A0 =C2=A0* then we'll stat and return imm= ediately in the next level of
> > - =C2=A0 =C2=A0 =C2=A0 =C2=A0* recursion). */
> > - =C2=A0 =C2=A0 =C2=A0 if (entry->d_type !=3D DT_DIR &&= ;
> > - =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 entry->d_type !=3D DT_LNK= &&
> > - =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 entry->d_type !=3D DT_UNK= NOWN)
> > - =C2=A0 =C2=A0 =C2=A0 {
> > + =C2=A0 =C2=A0 =C2=A0 /* We only want to descend into directorie= s (and symlinks to
> > + =C2=A0 =C2=A0 =C2=A0 =C2=A0* directories). */
> > + =C2=A0 =C2=A0 =C2=A0 entry_type =3D dirent_type (path, entry);<= br> > > + =C2=A0 =C2=A0 =C2=A0 if (entry_type =3D=3D -1) {
> > + =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 /* Be pessimistic, e.g. so w= e don't loose lots of mail
>
> s/loose/lose/ ?
>
> > + =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0* just because a user = broke a symlink. */
> > + =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 fprintf (stderr, "Error= reading file %s/%s: %s\n",
> > + =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0path, entry->d_name, strerror (errno));
>
> You can't trust errno here, as explained above.
>
> > + =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 return NOTMUCH_STATUS_FILE_E= RROR;
> > + =C2=A0 =C2=A0 =C2=A0 } else if (entry_type !=3D S_IFDIR) {
> > =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0continue;
> > =C2=A0 =C2=A0 =C2=A0 =C2=A0}
> >
> > @@ -425,31 +462,13 @@ add_files_recursive (notmuch_database_t *no= tmuch,
> > =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0notmuch_filenames_move_t= o_next (db_subdirs);
> > =C2=A0 =C2=A0 =C2=A0 =C2=A0}
> >
> > - =C2=A0 =C2=A0 =C2=A0 /* If we're looking at a symlink, we o= nly want to add it if it
> > - =C2=A0 =C2=A0 =C2=A0 =C2=A0* links to a regular file, (and not = to a directory, say).
> > - =C2=A0 =C2=A0 =C2=A0 =C2=A0*
> > - =C2=A0 =C2=A0 =C2=A0 =C2=A0* Similarly, if the file is of unkno= wn type (due to filesystem
> > - =C2=A0 =C2=A0 =C2=A0 =C2=A0* limitations), then we also need to= look closer.
> > - =C2=A0 =C2=A0 =C2=A0 =C2=A0*
> > - =C2=A0 =C2=A0 =C2=A0 =C2=A0* In either case, a stat does the tr= ick.
> > - =C2=A0 =C2=A0 =C2=A0 =C2=A0*/
> > - =C2=A0 =C2=A0 =C2=A0 if (entry->d_type =3D=3D DT_LNK || entr= y->d_type =3D=3D DT_UNKNOWN) {
> > - =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 int err;
> > -
> > - =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 next =3D talloc_asprintf (no= tmuch, "%s/%s", path, entry->d_name);
> > - =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 err =3D stat (next, &st)= ;
> > - =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 talloc_free (next);
> > - =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 next =3D NULL;
> > -
> > - =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 /* Don't emit an error f= or a link pointing nowhere, since
> > - =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0* the directory-traver= sal pass will have already done
> > - =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0* that. */
> > - =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 if (err)
> > - =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 continue;
> > -
> > - =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 if (! S_ISREG (st.st_mode))<= br> > > - =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 continue;
> > - =C2=A0 =C2=A0 =C2=A0 } else if (entry->d_type !=3D DT_REG) {=
> > + =C2=A0 =C2=A0 =C2=A0 /* Only add regular files (and symlinks to= regular files). */
> > + =C2=A0 =C2=A0 =C2=A0 entry_type =3D dirent_type (path, entry);<= br> > > + =C2=A0 =C2=A0 =C2=A0 if (entry_type =3D=3D -1) {
> > + =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 fprintf (stderr, "Error= reading file %s/%s: %s\n",
> > + =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0path, entry->d_name, strerror (errno));
>
> Ditto.
>
> > + =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 return NOTMUCH_STATUS_FILE_E= RROR;
> > + =C2=A0 =C2=A0 =C2=A0 } else if (entry_type !=3D S_IFREG) {
> > =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0continue;
> > =C2=A0 =C2=A0 =C2=A0 =C2=A0}
> >
> > diff --git a/test/new b/test/new
> > index 26253db..e3900f5 100755
> > --- a/test/new
> > +++ b/test/new
> > @@ -140,7 +140,7 @@ test_begin_subtest "Broken symlink abort= s"
> > =C2=A0ln -s does-not-exist "${MAIL_DIR}/broken"
> > =C2=A0output=3D$(NOTMUCH_NEW 2>&1)
> > =C2=A0test_expect_equal "$output" \
> > -"Error reading directory /run/shm/nm/tmp.new/mail/broken: N= o such file or directory
> > +"Error reading file /run/shm/nm/tmp.new/mail/broken: No suc= h file or directory
> > =C2=A0Note: A fatal error was encountered: Something went wrong t= rying to read or write a file
> > =C2=A0No new mail."
> > =C2=A0rm "${MAIL_DIR}/broken"
> > --
> > 1.7.10
> >
> > _______________________________________________
> > notmuch mailing list
> > notmuch@notmuchmail.or= g
> > http:= //notmuchmail.org/mailman/listinfo/notmuch

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