From: Stanislav Ievlev <inger@altlinux.org> To: devel@altlinux.ru Subject: Re: [devel] I: temporary file handling: C coding guideline Date: Tue, 3 Jun 2003 13:15:06 +0400 Message-ID: <20030603091506.GB12966@basalt.office.altlinux.org> (raw) In-Reply-To: <20030603081729.GB13299@basalt.office.altlinux.org> On Tue, Jun 03, 2003 at 12:17:29PM +0400, Dmitry V. Levin wrote: > Greetings! > > Я планирую добавить "C coding guideline" в дополнение к нынешнему shell > coding guideline из SPP: > > #define _GNU_SOURCE > > #include <stdio.h> > #include <error.h> > #include <errno.h> > #include <stdlib.h> > #include <unistd.h> > > ... > char *fname; > int fd; > FILE *fp; > > if (asprintf (&fname, "%s/progname.XXXXXX", getenv ("TMPDIR") ?: P_tmpdir) < 0) > error (EXIT_FAILURE, errno, "asprintf"); > > if ((fd = mkstemp (fname)) < 0) > error (EXIT_FAILURE, errno, "mkstemp: %s", fname); > > if (unlink (fname) < 0) > error (EXIT_FAILURE, errno, "unlink: %s", fname); > > if ((fp = fdopen (fd, "w+")) == NULL) > error (EXIT_FAILURE, errno, "fdopen: %s", fname); > > ... > > if (fclose (fp)) > error (EXIT_FAILURE, errno, "fclose: %s", fname); > > free (fname); > fname = NULL; > > Комментарии приветствуются. Хочется man-page по asprintf. Я тут не очень понял про коды возврата. 0 это тоже будет ошибкой в данном случае? Ещё надо бы наверное portable вариант без gcc-змов. Это потребуется всем мантейнерам которые захотят убедить авторов в своём патче. > > > -- > ldv
next prev parent reply other threads:[~2003-06-03 9:15 UTC|newest] Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top 2003-06-03 8:17 Dmitry V. Levin 2003-06-03 9:15 ` Stanislav Ievlev [this message] 2003-06-10 23:14 ` [devel] temporary file handling: questions Grigory Batalov 2003-06-10 23:32 ` Dmitry V. Levin 2003-06-11 7:31 ` Alexey I. Froloff 2003-06-11 8:19 ` Dmitry V. Levin 2003-06-13 10:30 ` Alexey I. Froloff 2003-06-11 8:31 ` Stanislav Ievlev 2003-06-11 14:14 ` [devel] " Alexey Tourbin
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