From: mhagger@alum.mit.edu
To: Junio C Hamano <gitster@pobox.com>
Cc: git@vger.kernel.org, Jeff King <peff@peff.net>,
Jakub Narebski <jnareb@gmail.com>,
Heiko Voigt <hvoigt@hvoigt.net>,
Johan Herland <johan@herland.net>,
Michael Haggerty <mhagger@alum.mit.edu>
Subject: [PATCH 02/30] get_ref_dir(): use a strbuf to hold refname
Date: Wed, 25 Apr 2012 00:45:08 +0200 [thread overview]
Message-ID: <1335307536-26914-3-git-send-email-mhagger@alum.mit.edu> (raw)
In-Reply-To: <1335307536-26914-1-git-send-email-mhagger@alum.mit.edu>
From: Michael Haggerty <mhagger@alum.mit.edu>
This simplifies the bookkeeping and allows an (artificial) restriction
on refname component length to be removed.
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
---
refs.c | 54 ++++++++++++++++++++++++++----------------------------
1 file changed, 26 insertions(+), 28 deletions(-)
diff --git a/refs.c b/refs.c
index d539241..df98622 100644
--- a/refs.c
+++ b/refs.c
@@ -756,7 +756,7 @@ static void get_ref_dir(struct ref_cache *refs, const char *base,
const char *path;
struct dirent *de;
int baselen;
- char *refname;
+ struct strbuf refname;
if (*refs->name)
path = git_path_submodule(refs->name, "%s", base);
@@ -768,50 +768,48 @@ static void get_ref_dir(struct ref_cache *refs, const char *base,
return;
baselen = strlen(base);
- refname = xmalloc(baselen + 257);
-
- memcpy(refname, base, baselen);
- if (baselen && base[baselen-1] != '/')
- refname[baselen++] = '/';
+ strbuf_init(&refname, baselen + 257);
+ strbuf_add(&refname, base, baselen);
+ if (baselen && base[baselen-1] != '/') {
+ strbuf_addch(&refname, '/');
+ baselen++;
+ }
while ((de = readdir(d)) != NULL) {
unsigned char sha1[20];
struct stat st;
int flag;
- int namelen;
const char *refdir;
if (de->d_name[0] == '.')
continue;
- namelen = strlen(de->d_name);
- if (namelen > 255)
- continue;
if (has_extension(de->d_name, ".lock"))
continue;
- memcpy(refname + baselen, de->d_name, namelen+1);
+ strbuf_addstr(&refname, de->d_name);
refdir = *refs->name
- ? git_path_submodule(refs->name, "%s", refname)
- : git_path("%s", refname);
- if (stat(refdir, &st) < 0)
- continue;
- if (S_ISDIR(st.st_mode)) {
- get_ref_dir(refs, refname, dir);
- continue;
- }
- if (*refs->name) {
- hashclr(sha1);
- flag = 0;
- if (resolve_gitlink_ref(refs->name, refname, sha1) < 0) {
+ ? git_path_submodule(refs->name, "%s", refname.buf)
+ : git_path("%s", refname.buf);
+ if (stat(refdir, &st) < 0) {
+ /* Silently ignore. */
+ } else if (S_ISDIR(st.st_mode)) {
+ get_ref_dir(refs, refname.buf, dir);
+ } else {
+ if (*refs->name) {
+ hashclr(sha1);
+ flag = 0;
+ if (resolve_gitlink_ref(refs->name, refname.buf, sha1) < 0) {
+ hashclr(sha1);
+ flag |= REF_ISBROKEN;
+ }
+ } else if (read_ref_full(refname.buf, sha1, 1, &flag)) {
hashclr(sha1);
flag |= REF_ISBROKEN;
}
- } else if (read_ref_full(refname, sha1, 1, &flag)) {
- hashclr(sha1);
- flag |= REF_ISBROKEN;
+ add_ref(dir, create_ref_entry(refname.buf, sha1, flag, 1));
}
- add_ref(dir, create_ref_entry(refname, sha1, flag, 1));
+ strbuf_setlen(&refname, baselen);
}
- free(refname);
+ strbuf_release(&refname);
closedir(d);
}
--
1.7.10
next prev parent reply other threads:[~2012-04-24 22:52 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-24 22:45 [PATCH 00/30] Read loose references lazily mhagger
2012-04-24 22:45 ` [PATCH 01/30] get_ref_dir(): return early if directory cannot be read mhagger
2012-04-24 22:45 ` mhagger [this message]
2012-04-24 22:45 ` [PATCH 03/30] get_ref_dir(): rename "base" parameter to "dirname" mhagger
2012-04-24 22:45 ` [PATCH 04/30] get_ref_dir(): require that the dirname argument ends in '/' mhagger
2012-04-24 22:45 ` [PATCH 05/30] refs.c: extract function search_for_subdir() mhagger
2012-04-24 22:45 ` [PATCH 06/30] get_ref_dir(): take the containing directory as argument mhagger
2012-04-24 22:45 ` [PATCH 07/30] do_for_each_reflog(): return early on error mhagger
2012-04-24 22:45 ` [PATCH 08/30] do_for_each_reflog(): use a strbuf to hold logfile name mhagger
2012-04-24 22:45 ` [PATCH 09/30] do_for_each_reflog(): reuse strbuf across recursive function calls mhagger
2012-04-24 22:45 ` [PATCH 10/30] refs: wrap top-level ref_dirs in ref_entries mhagger
2012-04-26 14:38 ` Michael Haggerty
2012-04-24 22:45 ` [PATCH 11/30] get_packed_refs(): return (ref_entry *) instead of (ref_dir *) mhagger
2012-04-24 22:45 ` [PATCH 12/30] get_loose_refs(): " mhagger
2012-04-24 22:45 ` [PATCH 13/30] is_refname_available(): take " mhagger
2012-04-24 22:45 ` [PATCH 14/30] find_ref(): " mhagger
2012-04-24 22:45 ` [PATCH 15/30] read_packed_refs(): " mhagger
2012-04-24 22:45 ` [PATCH 16/30] add_ref(): " mhagger
2012-04-24 22:45 ` [PATCH 17/30] find_containing_direntry(): use " mhagger
2012-04-24 22:45 ` [PATCH 18/30] get_ref_dir(): take " mhagger
2012-04-24 22:45 ` [PATCH 19/30] get_ref_dir(): remove dirname argument mhagger
2012-04-24 22:45 ` [PATCH 20/30] search_for_subdir(): take (ref_entry *) instead of (ref_dir *) mhagger
2012-04-24 22:45 ` [PATCH 21/30] search_ref_dir(): " mhagger
2012-04-24 22:45 ` [PATCH 22/30] add_entry(): " mhagger
2012-04-24 22:45 ` [PATCH 23/30] do_for_each_ref_in_dirs(): " mhagger
2012-04-24 22:45 ` [PATCH 24/30] do_for_each_ref_in_dir(): " mhagger
2012-04-24 22:45 ` [PATCH 25/30] sort_ref_dir(): " mhagger
2012-04-24 22:45 ` [PATCH 26/30] struct ref_dir: store a reference to the enclosing ref_cache mhagger
2012-04-24 22:45 ` [PATCH 27/30] read_loose_refs(): rename function from get_ref_dir() mhagger
2012-04-24 22:45 ` [PATCH 28/30] read_loose_refs(): access ref_cache via the ref_dir field mhagger
2012-04-24 22:45 ` [PATCH 29/30] create_dir_entry(): allow the flag value to be passed as an argument mhagger
2012-04-25 18:31 ` Junio C Hamano
2012-04-25 18:52 ` Junio C Hamano
2012-04-26 21:12 ` Michael Haggerty
2012-04-24 22:45 ` [PATCH 30/30] refs: read loose references lazily mhagger
2012-04-25 18:39 ` [PATCH 00/30] Read " Junio C Hamano
2012-04-26 21:33 ` Michael Haggerty
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1335307536-26914-3-git-send-email-mhagger@alum.mit.edu \
--to=mhagger@alum.mit.edu \
--cc=git@vger.kernel.org \
--cc=gitster@pobox.com \
--cc=hvoigt@hvoigt.net \
--cc=jnareb@gmail.com \
--cc=johan@herland.net \
--cc=peff@peff.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).