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Jeff King a1be47e4ca hash-object: fix buffer reuse with --path in a subdirectory 
The hash-object command uses prefix_filename() without
duplicating its return value. Since that function returns a
static buffer, the value is overwritten by subsequent calls.

This can cause incorrect results when we use --path along
with hashing a file by its relative path, both of which need
to call prefix_filename(). We overwrite the filename
computed for --path, effectively ignoring it.

We can fix this by calling xstrdup on the return value. Note
that we don't bother freeing the "vpath" instance, as it
remains valid until the program exit.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-21 11:12:52 -07:00
..
add.c hold_locked_index(): align error handling with hold_lockfile_for_update() 2016-12-07 11:31:59 -08:00
am.c delete_ref: accept a reflog message argument 2017-02-20 22:04:47 -08:00
annotate.c
apply.c Convert read_mmblob to take struct object_id. 2016-09-07 12:59:42 -07:00
archive.c archive: read local configuration 2016-11-22 13:55:20 -08:00
bisect--helper.c
blame.c Merge branch 'rs/blame-code-cleanup' 2017-03-17 13:50:24 -07:00
branch.c Merge branch 'bc/object-id' 2017-03-17 13:50:25 -07:00
bundle.c
cat-file.c Convert object iteration callbacks to struct object_id 2017-02-22 10:12:15 -08:00
check-attr.c attr: tighten const correctness with git_attr and match_attr 2017-02-01 13:46:53 -08:00
check-ignore.c give "nbuf" strbuf a more meaningful name 2016-02-01 13:43:02 -08:00
check-mailmap.c strbuf: introduce strbuf_getline_{lf,nul}() 2016-01-15 10:12:51 -08:00
check-ref-format.c use xmallocz to avoid size arithmetic 2016-02-22 14:51:09 -08:00
checkout-index.c hold_locked_index(): align error handling with hold_lockfile_for_update() 2016-12-07 11:31:59 -08:00
checkout.c Merge branch 'jk/interpret-branch-name' 2017-03-14 15:23:18 -07:00
clean.c Merge branch 'nd/clean-preserve-errno-in-warning' 2017-02-27 13:57:16 -08:00
clone.c builtin/clone: convert to struct object_id 2017-02-22 10:12:15 -08:00
column.c column: read lines with strbuf_getline() 2016-01-15 10:35:07 -08:00
commit-tree.c builtin/commit-tree: convert to struct object_id 2016-09-07 12:59:43 -07:00
commit.c builtin/commit: convert to struct object_id 2017-02-20 01:11:26 -08:00
config.c i18n: config: mark error message for translation 2016-09-15 13:17:32 -07:00
count-objects.c Convert object iteration callbacks to struct object_id 2017-02-22 10:12:15 -08:00
credential.c
describe.c Merge branch 'bc/object-id' 2017-03-17 13:50:25 -07:00
diff-files.c diff: run arguments through precompose_argv 2016-05-13 14:35:49 -07:00
diff-index.c diff: run arguments through precompose_argv 2016-05-13 14:35:49 -07:00
diff-tree.c Merge branch 'bc/object-id' 2017-03-17 13:50:25 -07:00
diff.c use SWAP macro 2017-01-30 14:17:00 -08:00
difftool.c difftool: handle modified symlinks in dir-diff mode 2017-03-15 12:08:10 -07:00
fast-export.c builtin/fast-export: convert to struct object_id 2017-02-22 10:12:15 -08:00
fetch-pack.c fetch-pack: move code to report unmatched refs to a function 2017-03-02 11:12:53 -08:00
fetch.c Merge branch 'js/remote-rename-with-half-configured-remote' 2017-01-31 13:14:59 -08:00
fmt-merge-msg.c builtin/fmt-merge-message: convert to struct object_id 2017-02-22 10:12:15 -08:00
for-each-ref.c tag, branch, for-each-ref: add --ignore-case for sorting and filtering 2016-12-05 14:59:29 -08:00
fsck.c Convert object iteration callbacks to struct object_id 2017-02-22 10:12:15 -08:00
gc.c Merge branch 'cc/split-index-config' 2017-03-17 13:50:23 -07:00
get-tar-commit-id.c usage: do not insist that standard input must come from a file 2015-10-16 15:27:52 -07:00
grep.c Merge branch 'bc/object-id' 2017-03-17 13:50:25 -07:00
hash-object.c hash-object: fix buffer reuse with --path in a subdirectory 2017-03-21 11:12:52 -07:00
help.c Merge branch 'js/no-html-bypass-on-windows' into maint 2016-09-08 21:35:55 -07:00
index-pack.c index-pack: skip collision check when not in repository 2016-12-16 13:57:19 -08:00
init-db.c real_pathdup(): fix callsites that wanted it to die on error 2017-03-08 14:38:41 -08:00
interpret-trailers.c Merge branch 'jk/parseopt-string-list' into jk/string-list-static-init 2016-06-13 10:37:48 -07:00
log.c pretty: use fmt_output_email_subject() 2017-03-01 15:09:17 -08:00
ls-files.c ls-files: move only kept cache entries in prune_cache() 2017-02-13 12:06:10 -08:00
ls-remote.c ls-remote: add support for showing symrefs 2016-01-19 10:07:56 -08:00
ls-tree.c ls-tree: convert show_recursive to use the pathspec struct interface 2017-01-08 18:04:17 -08:00
mailinfo.c mailinfo: read local configuration 2016-11-22 13:13:16 -08:00
mailsplit.c mailsplit: support unescaping mboxrd messages 2016-06-06 11:14:43 -07:00
merge-base.c builtin/merge-base: convert to struct object_id 2017-02-22 10:12:16 -08:00
merge-file.c builtin/merge-file.c: use error_errno() 2016-05-09 12:29:08 -07:00
merge-index.c use oid_to_hex_r() for converting struct object_id hashes to hex strings 2017-01-30 14:23:40 -08:00
merge-ours.c
merge-recursive.c i18n: merge-recursive: mark verbose message for translation 2016-09-15 13:17:32 -07:00
merge-tree.c struct name_entry: use struct object_id instead of unsigned char sha1[20] 2016-04-25 14:23:42 -07:00
merge.c Merge branch 'bc/object-id' 2017-03-17 13:50:25 -07:00
mktag.c usage: do not insist that standard input must come from a file 2015-10-16 15:27:52 -07:00
mktree.c use QSORT 2016-09-29 15:42:18 -07:00
mv.c Merge branch 'bw/pathspec-cleanup' 2017-01-18 15:12:15 -08:00
name-rev.c name-rev: add support to exclude refs by pattern match 2017-01-23 18:33:17 -08:00
notes.c Merge branch 'bc/object-id' 2017-03-17 13:50:25 -07:00
pack-objects.c Merge branch 'bc/object-id' 2017-03-17 13:50:25 -07:00
pack-redundant.c convert trivial cases to ALLOC_ARRAY 2016-02-22 14:51:09 -08:00
pack-refs.c
patch-id.c Merge branch 'rs/patch-id-use-skip-prefix' 2016-06-03 14:38:03 -07:00
prune-packed.c Convert object iteration callbacks to struct object_id 2017-02-22 10:12:15 -08:00
prune.c Convert object iteration callbacks to struct object_id 2017-02-22 10:12:15 -08:00
pull.c Merge branch 'jc/pull-rebase-ff' into maint 2017-01-17 15:11:05 -08:00
push.c Merge branch 'bw/push-submodule-only' 2017-01-31 13:14:56 -08:00
read-tree.c read-tree: use OPT_BOOL instead of OPT_SET_INT 2017-01-11 13:17:16 -08:00
rebase--helper.c rebase--helper: add a builtin helper for interactive rebases 2017-02-09 14:55:26 -08:00
receive-pack.c Merge branch 'bc/object-id' 2017-03-17 13:50:25 -07:00
reflog.c refs: convert each_reflog_ent_fn to struct object_id 2017-02-22 10:12:15 -08:00
remote-ext.c pkt-line: rename packet_write() to packet_write_fmt() 2016-10-17 11:36:50 -07:00
remote-fd.c
remote.c Merge branch 'rl/remote-allow-missing-branch-name-merge' 2017-02-27 13:57:18 -08:00
repack.c repack: die on incremental + write-bitmap-index 2016-12-29 13:45:37 -08:00
replace.c Merge branch 'bc/object-id' 2017-03-17 13:50:25 -07:00
rerere.c Sync with 2.6.1 2015-10-05 13:20:08 -07:00
reset.c delete_ref: accept a reflog message argument 2017-02-20 22:04:47 -08:00
rev-list.c use oid_to_hex_r() for converting struct object_id hashes to hex strings 2017-01-30 14:23:40 -08:00
rev-parse.c rev-parse: add --show-superproject-working-tree 2017-03-08 15:52:03 -08:00
revert.c Merge branch 'jk/cherry-pick-0-mainline' 2017-03-17 13:50:28 -07:00
rm.c rm: reuse strbuf for all remove_dir_recursively() calls, again 2017-02-13 14:33:32 -08:00
send-pack.c Merge branch 'sk/send-pack-all-fix' into maint 2016-04-29 14:15:57 -07:00
shortlog.c Merge branch 'rs/log-email-subject' 2017-03-10 13:24:24 -08:00
show-branch.c Merge branch 'jk/show-branch-lift-name-len-limit' 2017-02-27 13:57:16 -08:00
show-ref.c show-ref: remove a stale comment 2017-01-23 18:51:56 -08:00
stripspace.c stripspace: respect repository config 2016-11-21 11:00:38 -08:00
submodule--helper.c submodule init: warn about falling back to a local path 2017-02-28 13:46:22 -08:00
symbolic-ref.c delete_ref: accept a reflog message argument 2017-02-20 22:04:47 -08:00
tag.c Merge branch 'km/delete-ref-reflog-message' 2017-02-27 13:57:18 -08:00
unpack-file.c convert trivial sprintf / strcpy calls to xsnprintf 2015-09-25 10:18:18 -07:00
unpack-objects.c unpack-objects: add --max-input-size=<size> option 2016-08-24 12:31:05 -07:00
update-index.c update-index: warn in case of split-index incoherency 2017-03-01 13:24:21 -08:00
update-ref.c update-ref: pass reflog message to delete_ref() 2017-02-20 22:04:47 -08:00
update-server-info.c
upload-archive.c archive: read local configuration 2016-11-22 13:55:20 -08:00
var.c
verify-commit.c
verify-pack.c
verify-tag.c builtin/verify-tag: add --format to verify-tag 2017-01-17 16:10:22 -08:00
worktree.c Merge branch 'ps/worktree-prune-help-fix' 2017-02-10 12:52:25 -08:00
write-tree.c