From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Haggerty Subject: [PATCH v7 11/38] cache.h: define constants LOCK_SUFFIX and LOCK_SUFFIX_LEN Date: Wed, 1 Oct 2014 12:28:15 +0200 Message-ID: <1412159322-2622-12-git-send-email-mhagger@alum.mit.edu> References: <1412159322-2622-1-git-send-email-mhagger@alum.mit.edu> Cc: Johannes Sixt , =?UTF-8?q?Torsten=20B=C3=B6gershausen?= , Jeff King , Ronnie Sahlberg , Jonathan Nieder , git@vger.kernel.org, Michael Haggerty To: Junio C Hamano X-From: git-owner@vger.kernel.org Wed Oct 01 12:29:16 2014 Return-path: Envelope-to: gcvg-git-2@plane.gmane.org Received: from vger.kernel.org ([209.132.180.67]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1XZH9n-0002VI-GE for gcvg-git-2@plane.gmane.org; Wed, 01 Oct 2014 12:29:15 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751420AbaJAK3L (ORCPT ); Wed, 1 Oct 2014 06:29:11 -0400 Received: from alum-mailsec-scanner-7.mit.edu ([18.7.68.19]:42032 "EHLO alum-mailsec-scanner-7.mit.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751387AbaJAK3J (ORCPT ); Wed, 1 Oct 2014 06:29:09 -0400 X-AuditID: 12074413-f79ed6d000002501-fb-542bd77451f0 Received: from outgoing-alum.mit.edu (OUTGOING-ALUM.MIT.EDU [18.7.68.33]) by alum-mailsec-scanner-7.mit.edu (Symantec Messaging Gateway) with SMTP id A3.AD.09473.477DB245; Wed, 1 Oct 2014 06:29:08 -0400 (EDT) Received: from michael.fritz.box (p5DDB1FCB.dip0.t-ipconnect.de [93.219.31.203]) (authenticated bits=0) (User authenticated as mhagger@ALUM.MIT.EDU) by outgoing-alum.mit.edu (8.13.8/8.12.4) with ESMTP id s91ASk6A026827 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NOT); Wed, 1 Oct 2014 06:29:07 -0400 X-Mailer: git-send-email 2.1.0 In-Reply-To: <1412159322-2622-1-git-send-email-mhagger@alum.mit.edu> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFmpjleLIzCtJLcpLzFFi42IRYndR1C25rh1icPyylkXXlW4mi4beK8wW T+beZbZ4e3MJo8XtFfOZLX609DBb/JtQY9HZ8ZXRgcPj7/sPTB47Z91l91iwqdTj4asudo9n vXsYPS5eUvb4vEnO4/azbSwBHFHcNkmJJWXBmel5+nYJ3BkLpx9gKVgiWbG18R9LA+NkkS5G Tg4JAROJ6xdbWCBsMYkL99azdTFycQgJXGaUeNr3gxXCOc4k8fjPTHaQKjYBXYlFPc1MILaI gJrExLZDLCBFzAKLmSQmHNrEBpIQFgiW2H/0KpjNIqAqceBdL1gDr4CLxL72PUwQ6+QkNuz+ zwhicwLFl19uBjtDSMBZYsedr0wTGHkXMDKsYpRLzCnN1c1NzMwpTk3WLU5OzMtLLdI118vN LNFLTSndxAgJR+EdjLtOyh1iFOBgVOLhVUjQDhFiTSwrrsw9xCjJwaQkyrvoElCILyk/pTIj sTgjvqg0J7X4EKMEB7OSCG/2AaAcb0piZVVqUT5MSpqDRUmcV22Jup+QQHpiSWp2ampBahFM VoaDQ0mCl+EaUKNgUWp6akVaZk4JQpqJgxNkOJeUSHFqXkpqUWJpSUY8KDrii4HxAZLiAdrr DNLOW1yQmAsUhWg9xajLsa7zWz+TEEtefl6qlDhv6FWgIgGQoozSPLgVsOTzilEc6GNhXmmQ UTzAxAU36RXQEiagJclrwJaUJCKkpBoYGSuvNGdxejSExpl6S0zfFrTOtVH2V8Uj+7dzZ0/0 Xnbk0uF7M/WDq0T4NNwKs6odjJ2afP9Gl9hnZO1a+2xJmF/vkzTdvRuKr8284bnn Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: There are a few places that use these values, so define constants for them. Signed-off-by: Michael Haggerty --- cache.h | 4 ++++ lockfile.c | 11 ++++++----- refs.c | 7 ++++--- 3 files changed, 14 insertions(+), 8 deletions(-) diff --git a/cache.h b/cache.h index 0a76d02..24891a8 100644 --- a/cache.h +++ b/cache.h @@ -570,6 +570,10 @@ extern void fill_stat_cache_info(struct cache_entry *ce, struct stat *st); #define REFRESH_IN_PORCELAIN 0x0020 /* user friendly output, not "needs update" */ extern int refresh_index(struct index_state *, unsigned int flags, const struct pathspec *pathspec, char *seen, const char *header_msg); +/* String appended to a filename to derive the lockfile name: */ +#define LOCK_SUFFIX ".lock" +#define LOCK_SUFFIX_LEN 5 + struct lock_file { struct lock_file *next; int fd; diff --git a/lockfile.c b/lockfile.c index 2680dc9..23847fc 100644 --- a/lockfile.c +++ b/lockfile.c @@ -166,10 +166,11 @@ static char *resolve_symlink(char *p, size_t s) static int lock_file(struct lock_file *lk, const char *path, int flags) { /* - * subtract 5 from size to make sure there's room for adding - * ".lock" for the lock file name + * subtract LOCK_SUFFIX_LEN from size to make sure there's + * room for adding ".lock" for the lock file name: */ - static const size_t max_path_len = sizeof(lk->filename) - 5; + static const size_t max_path_len = sizeof(lk->filename) - + LOCK_SUFFIX_LEN; if (!lock_file_list) { /* One-time initialization */ @@ -194,7 +195,7 @@ static int lock_file(struct lock_file *lk, const char *path, int flags) strcpy(lk->filename, path); if (!(flags & LOCK_NODEREF)) resolve_symlink(lk->filename, max_path_len); - strcat(lk->filename, ".lock"); + strcat(lk->filename, LOCK_SUFFIX); lk->fd = open(lk->filename, O_RDWR | O_CREAT | O_EXCL, 0666); if (0 <= lk->fd) { lk->owner = getpid(); @@ -308,7 +309,7 @@ int commit_lock_file(struct lock_file *lk) if (close_lock_file(lk)) return -1; strcpy(result_file, lk->filename); - i = strlen(result_file) - 5; /* .lock */ + i = strlen(result_file) - LOCK_SUFFIX_LEN; /* .lock */ result_file[i] = 0; if (rename(lk->filename, result_file)) return -1; diff --git a/refs.c b/refs.c index 0e32477..73d6bae 100644 --- a/refs.c +++ b/refs.c @@ -79,7 +79,8 @@ out: if (refname[1] == '\0') return -1; /* Component equals ".". */ } - if (cp - refname >= 5 && !memcmp(cp - 5, ".lock", 5)) + if (cp - refname >= LOCK_SUFFIX_LEN && + !memcmp(cp - LOCK_SUFFIX_LEN, LOCK_SUFFIX, LOCK_SUFFIX_LEN)) return -1; /* Refname ends with ".lock". */ return cp - refname; } @@ -2602,11 +2603,11 @@ static int delete_ref_loose(struct ref_lock *lock, int flag) { if (!(flag & REF_ISPACKED) || flag & REF_ISSYMREF) { /* loose */ - int err, i = strlen(lock->lk->filename) - 5; /* .lock */ + int err, i = strlen(lock->lk->filename) - LOCK_SUFFIX_LEN; lock->lk->filename[i] = 0; err = unlink_or_warn(lock->lk->filename); - lock->lk->filename[i] = '.'; + lock->lk->filename[i] = LOCK_SUFFIX[0]; if (err && errno != ENOENT) return 1; } -- 2.1.0