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Merge branch 'jk/commit-buffer-length'

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Move "commit->buffer" out of the in-core commit object and keep
track of their lengths.  Use this to optimize the code paths to
validate GPG signatures in commit objects.

* jk/commit-buffer-length:
  reuse cached commit buffer when parsing signatures
  commit: record buffer length in cache
  commit: convert commit->buffer to a slab
  commit-slab: provide a static initializer
  use get_commit_buffer everywhere
  convert logmsg_reencode to get_commit_buffer
  use get_commit_buffer to avoid duplicate code
  use get_cached_commit_buffer where appropriate
  provide helpers to access the commit buffer
  provide a helper to set the commit buffer
  provide a helper to free commit buffer
  sequencer: use logmsg_reencode in get_message
  logmsg_reencode: return const buffer
  do not create "struct commit" with xcalloc
  commit: push commit_index update into alloc_commit_node
  alloc: include any-object allocations in alloc_report
  replace dangerous uses of strbuf_attach
  commit_tree: take a pointer/len pair rather than a const strbuf
This commit is contained in:
Junio C Hamano
2014-07-02 12:53:02 -07:00
parent 95acfc2479 218aa3a616
commit 8061ae8b46
27 changed files with 285 additions and 198 deletions
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13
builtin/log.c
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@ -347,8 +347,7 @@ static int cmd_log_walk(struct rev_info *rev)
rev->max_count++;
if (!rev->reflog_info) {
/* we allow cycles in reflog ancestry */
free(commit->buffer);
commit->buffer = NULL;
free_commit_buffer(commit);
}
free_commit_list(commit->parents);
commit->parents = NULL;
@ -925,9 +924,12 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout,
log_write_email_headers(rev, head, &pp.subject, &pp.after_subject,
&need_8bit_cte);
for (i = 0; !need_8bit_cte && i < nr; i++)
if (has_non_ascii(list[i]->buffer))
for (i = 0; !need_8bit_cte && i < nr; i++) {
const char *buf = get_commit_buffer(list[i], NULL);
if (has_non_ascii(buf))
need_8bit_cte = 1;
unuse_commit_buffer(list[i], buf);
}
if (!branch_name)
branch_name = find_branch_name(rev);
@ -1528,8 +1530,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
reopen_stdout(rev.numbered_files ? NULL : commit, NULL, &rev, quiet))
die(_("Failed to create output files"));
shown = log_tree_commit(&rev, commit);
free(commit->buffer);
commit->buffer = NULL;
free_commit_buffer(commit);
/* We put one extra blank line between formatted
* patches and this flag is used by log-tree code