From: Florian Weimer <fweimer@redhat.com>
To: libc-alpha@sourceware.org
Subject: [PATCH 07/11] grp: Implement fgetgrent_r using __nss_fgetent_r
Date: Fri, 17 Jul 2020 10:30:40 +0200 [thread overview]
Message-ID: <87552a25db51905c292fa203e99c2184969e1c52.1594974444.git.fweimer@redhat.com> (raw)
In-Reply-To: <cover.1594974444.git.fweimer@redhat.com>
---
grp/fgetgrent_r.c | 54 ++++++-----------------------------------------
1 file changed, 6 insertions(+), 48 deletions(-)
diff --git a/grp/fgetgrent_r.c b/grp/fgetgrent_r.c
index 03daf4f295..b598584830 100644
--- a/grp/fgetgrent_r.c
+++ b/grp/fgetgrent_r.c
@@ -20,10 +20,6 @@
#include <grp.h>
#include <stdio.h>
-#include <libio/iolibio.h>
-#define flockfile(s) _IO_flockfile (s)
-#define funlockfile(s) _IO_funlockfile (s)
-
/* Define a line parsing function using the common code
used in the nss_files module. */
@@ -59,49 +55,11 @@ int
__fgetgrent_r (FILE *stream, struct group *resbuf, char *buffer, size_t buflen,
struct group **result)
{
- char *p;
- int parse_result;
-
- flockfile (stream);
- do
- {
- buffer[buflen - 1] = '\xff';
- p = fgets_unlocked (buffer, buflen, stream);
- if (__builtin_expect (p == NULL, 0) && feof_unlocked (stream))
- {
- funlockfile (stream);
- *result = NULL;
- __set_errno (ENOENT);
- return errno;
- }
- if (__builtin_expect (p == NULL, 0) || buffer[buflen - 1] != '\xff')
- {
- funlockfile (stream);
- *result = NULL;
- __set_errno (ERANGE);
- return errno;
- }
-
- /* Skip leading blanks. */
- while (isspace (*p))
- ++p;
- } while (*p == '\0' || *p == '#' /* Ignore empty and comment lines. */
- /* Parse the line. If it is invalid, loop to
- get the next line of the file to parse. */
- || ! (parse_result = parse_line (p, resbuf,
- (void *) buffer, buflen,
- &errno)));
-
- funlockfile (stream);
-
- if (__builtin_expect (parse_result, 0) == -1)
- {
- /* The parser ran out of space. */
- *result = NULL;
- return errno;
- }
-
- *result = resbuf;
- return 0;
+ int ret = __nss_fgetent_r (stream, resbuf, buffer, buflen, parse_line);
+ if (ret == 0)
+ *result = resbuf;
+ else
+ *result = NULL;
+ return ret;
}
weak_alias (__fgetgrent_r, fgetgrent_r)
--
2.26.2
next prev parent reply other threads:[~2020-07-17 8:30 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-17 8:29 [PATCH 00/11] Fix fgetsgent_r data corruption bug (20338) Florian Weimer
2020-07-17 8:30 ` [PATCH 01/11] nss_files: Consolidate file opening in __nss_files_fopen Florian Weimer
2020-07-21 3:27 ` Carlos O'Donell
2020-07-17 8:30 ` [PATCH 02/11] nss_compat: Do not use mmap to read database files (bug 26258) Florian Weimer
2020-07-21 3:27 ` Carlos O'Donell
2020-07-17 8:30 ` [PATCH 03/11] nss_files: Consolidate line parse declarations in <nss_files.h> Florian Weimer
2020-07-21 3:27 ` Carlos O'Donell
2020-07-17 8:30 ` [PATCH 04/11] nss_files: Use generic result pointer in parse_line Florian Weimer
2020-07-21 3:27 ` Carlos O'Donell
2020-07-17 8:30 ` [PATCH 05/11] libio: Add fseterr_unlocked for internal use Florian Weimer
2020-07-21 3:27 ` Carlos O'Donell
2020-07-17 8:30 ` [PATCH 06/11] nss: Add __nss_fgetent_r Florian Weimer
2020-07-21 3:27 ` Carlos O'Donell
2020-07-17 8:30 ` Florian Weimer [this message]
2020-07-21 3:28 ` [PATCH 07/11] grp: Implement fgetgrent_r using __nss_fgetent_r Carlos O'Donell
2020-07-17 8:30 ` [PATCH 08/11] gshadow: Implement fgetsgent_r using __nss_fgetent_r (bug 20338) Florian Weimer
2020-07-21 3:28 ` Carlos O'Donell
2020-07-17 8:30 ` [PATCH 09/11] pwd: Implement fgetpwent_r using __nss_fgetent_r Florian Weimer
2020-07-21 3:28 ` Carlos O'Donell
2020-07-17 8:30 ` [PATCH 10/11] shadow: Implement fgetspent_r " Florian Weimer
2020-07-21 3:28 ` Carlos O'Donell
2020-07-17 8:31 ` [PATCH 11/11] libio: Remove __libc_readline_unlocked Florian Weimer
2020-07-21 3:28 ` Carlos O'Donell
2020-07-21 3:27 ` [PATCH 00/11] Fix fgetsgent_r data corruption bug (20338) Carlos O'Donell
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