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2017-11-09Merge branch 'rs/hex-to-bytes-cleanup'Libravatar Junio C Hamano1-17/+0
Code cleanup. * rs/hex-to-bytes-cleanup: sha1_file: use hex_to_bytes() http-push: use hex_to_bytes() notes: move hex_to_bytes() to hex.c and export it
2017-11-01notes: move hex_to_bytes() to hex.c and export itLibravatar René Scharfe1-17/+0
Make the function for converting pairs of hexadecimal digits to binary available to other call sites. Signed-off-by: Rene Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-10-16refs: convert read_ref and read_ref_full to object_idLibravatar brian m. carlson1-1/+1
All but two of the call sites already have parameters using the hash parameter of struct object_id, so convert them to take a pointer to the struct directly. Also convert refs_read_refs_full, the underlying implementation. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-09-19Merge branch 'mh/notes-cleanup'Libravatar Junio C Hamano1-71/+70
Code clean-up. * mh/notes-cleanup: load_subtree(): check that `prefix_len` is in the expected range load_subtree(): declare some variables to be `size_t` hex_to_bytes(): simpler replacement for `get_oid_hex_segment()` get_oid_hex_segment(): don't pad the rest of `oid` load_subtree(): combine some common code get_oid_hex_segment(): return 0 on success load_subtree(): only consider blobs to be potential notes load_subtree(): check earlier whether an internal node is a tree entry load_subtree(): separate logic for internal vs. terminal entries load_subtree(): fix incorrect comment load_subtree(): reduce the scope of some local variables load_subtree(): remove unnecessary conditional notes: make GET_NIBBLE macro more robust
2017-09-09load_subtree(): check that `prefix_len` is in the expected rangeLibravatar Michael Haggerty1-1/+4
This value, which is stashed in the last byte of an object_id hash, gets handed around a lot. So add a sanity check before using it in `load_subtree()`. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-08-26load_subtree(): declare some variables to be `size_t`Libravatar Michael Haggerty1-3/+3
* `prefix_len` * `path_len` * `i` It's good hygiene. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-08-26hex_to_bytes(): simpler replacement for `get_oid_hex_segment()`Libravatar Michael Haggerty1-18/+10
Now that `get_oid_hex_segment()` does less, it makes sense to rename it and simplify its semantics: * Instead of a `hex_len` parameter, which was the number of hex characters (and had to be even), use a `len` parameter, which is the number of resulting bytes. This removes then need for the check that `hex_len` is even and to divide it by two to determine the number of bytes. For good hygiene, declare the `len` parameter to be `size_t` instead of `unsigned int`. * Change the order of the arguments to the more traditional (dst, src, len). * Rename the function to `hex_to_bytes()`. * Remove a loop variable: just count `len` down instead. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-08-26get_oid_hex_segment(): don't pad the rest of `oid`Libravatar Michael Haggerty1-11/+13
Remove the feature of `get_oid_hex_segment()` that it pads the rest of the `oid` argument with zeros. Instead, do this at the caller who needs it. This makes the functionality of this function more coherent and removes the need for its `oid_len` argument. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-08-26load_subtree(): combine some common codeLibravatar Michael Haggerty1-9/+5
Write the length into `object_oid` (before copying) rather than `l->key_oid` (after copying). Then combine some code from the two `if` blocks. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-08-26get_oid_hex_segment(): return 0 on successLibravatar Michael Haggerty1-8/+7
Nobody cares about the return value of get_oid_hex_segment() except to check whether it failed. So just return 0 on success. And while we're updating its docstring, update it for some argument renaming that happened a while ago. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-08-26load_subtree(): only consider blobs to be potential notesLibravatar Michael Haggerty1-0/+5
The old code converted any entry whose path constituted a full SHA-1 as a leaf node, without regard for the type of the entry. But only blobs can be notes. So treat entries whose paths *look like* notes paths but that are not blobs as non-notes. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-08-26load_subtree(): check earlier whether an internal node is a tree entryLibravatar Michael Haggerty1-2/+5
If an entry is not a tree entry, then it cannot possibly be an internal node. But the old code checked this condition only after allocating a leaf_node object and therefore leaked that memory. Instead, check before even entering this branch of the code. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-08-26load_subtree(): separate logic for internal vs. terminal entriesLibravatar Michael Haggerty1-21/+31
There are only two legitimate notes path components: * A hexadecimal string that fills the rest of the SHA-1 * A two-digit hexadecimal string that constitutes another internal node. So handle those two cases at the top level, and reject others as non-notes without trying to parse them. The logic separation also simplifies upcoming changes. This prevents us from leaking memory for a leaf_node in the case of wrong-sized paths. There are still memory leaks in this code; they will be fixed in upcoming commits. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-08-26load_subtree(): fix incorrect commentLibravatar Michael Haggerty1-17/+7
This comment was added in 851c2b3791 (Teach notes code to properly preserve non-notes in the notes tree, 2010-02-13) when the corresponding code was added. But I believe it was incorrect even then. The condition `path_len != 2` a dozen lines up prevents a path like "dead/beef" from being converted to "de/ad/beef", and indeed the test added in commit 851c2b3 verifies that this case works correctly. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-08-26load_subtree(): reduce the scope of some local variablesLibravatar Michael Haggerty1-4/+4
Declare the variables inside the loop, to make it more obvious that their values are not carried across loop iterations. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-08-26load_subtree(): remove unnecessary conditionalLibravatar Michael Haggerty1-18/+17
At this point in the code, len is *always* <= 20. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-08-26notes: make GET_NIBBLE macro more robustLibravatar Michael Haggerty1-1/+1
Put parentheses around sha1. Otherwise it could fail for something like GET_NIBBLE(n, (unsigned char *)data); Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-08-14tree-walk: convert fill_tree_descriptor() to object_idLibravatar René Scharfe1-1/+1
All callers of fill_tree_descriptor() have been converted to object_id already, so convert that function as well. As a nice side-effect we get rid of NULL checks in tree-diff.c, as fill_tree_descriptor() already does them for us. Helped-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Rene Scharfe <l.s.r@web.de> Reviewed-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-07-17sha1_name: convert get_sha1* to get_oid*Libravatar brian m. carlson1-1/+1
Now that all the callers of get_sha1 directly or indirectly use struct object_id, rename the functions starting with get_sha1 to start with get_oid. Convert the internals in sha1_name.c to use struct object_id as well, and eliminate explicit length checks where possible. Convert a use of 40 in get_oid_basic to GIT_SHA1_HEXSZ. Outside of sha1_name.c and cache.h, this transition was made with the following semantic patch: @@ expression E1, E2; @@ - get_sha1(E1, E2.hash) + get_oid(E1, &E2) @@ expression E1, E2; @@ - get_sha1(E1, E2->hash) + get_oid(E1, E2) @@ expression E1, E2; @@ - get_sha1_committish(E1, E2.hash) + get_oid_committish(E1, &E2) @@ expression E1, E2; @@ - get_sha1_committish(E1, E2->hash) + get_oid_committish(E1, E2) @@ expression E1, E2; @@ - get_sha1_treeish(E1, E2.hash) + get_oid_treeish(E1, &E2) @@ expression E1, E2; @@ - get_sha1_treeish(E1, E2->hash) + get_oid_treeish(E1, E2) @@ expression E1, E2; @@ - get_sha1_commit(E1, E2.hash) + get_oid_commit(E1, &E2) @@ expression E1, E2; @@ - get_sha1_commit(E1, E2->hash) + get_oid_commit(E1, E2) @@ expression E1, E2; @@ - get_sha1_tree(E1, E2.hash) + get_oid_tree(E1, &E2) @@ expression E1, E2; @@ - get_sha1_tree(E1, E2->hash) + get_oid_tree(E1, E2) @@ expression E1, E2; @@ - get_sha1_blob(E1, E2.hash) + get_oid_blob(E1, &E2) @@ expression E1, E2; @@ - get_sha1_blob(E1, E2->hash) + get_oid_blob(E1, E2) @@ expression E1, E2, E3, E4; @@ - get_sha1_with_context(E1, E2, E3.hash, E4) + get_oid_with_context(E1, E2, &E3, E4) @@ expression E1, E2, E3, E4; @@ - get_sha1_with_context(E1, E2, E3->hash, E4) + get_oid_with_context(E1, E2, E3, E4) Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-06-24Merge branch 'bw/config-h'Libravatar Junio C Hamano1-0/+1
Fix configuration codepath to pay proper attention to commondir that is used in multi-worktree situation, and isolate config API into its own header file. * bw/config-h: config: don't implicitly use gitdir or commondir config: respect commondir setup: teach discover_git_directory to respect the commondir config: don't include config.h by default config: remove git_config_iter config: create config.h
2017-06-15config: don't include config.h by defaultLibravatar Brandon Williams1-0/+1
Stop including config.h by default in cache.h. Instead only include config.h in those files which require use of the config system. Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-06-02notes: convert some accessor functions to struct object_idLibravatar brian m. carlson1-10/+10
Convert add_note, get_note, and copy_note to take struct object_id. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-06-02notes: convert format_display_notes to struct object_idLibravatar brian m. carlson1-4/+4
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-06-02notes: make get_note return pointer to struct object_idLibravatar brian m. carlson1-9/+9
Make get_note return a pointer to a const struct object_id. Add a defensive check to ensure we don't accidentally dereference a NULL pointer. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-06-02notes: convert for_each_note to struct object_idLibravatar brian m. carlson1-12/+12
Convert for_each_note and each of the callbacks to use struct object_id. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-06-02notes: convert internal parts to struct object_idLibravatar brian m. carlson1-31/+33
Convert several portions of the internals of the code to struct object_id. Introduce two macros to denote the different constants in the code: KEY_INDEX for the last byte of the object ID, and FANOUT_PATH_SEPARATORS for the number of possible path separators (on Unix, "/"). While these constants are both 19 (one less than the number of bytes in the hash), distinguish them to make the code more understandable, and define them logically based on their intended purpose. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-06-02notes: convert internal structures to struct object_idLibravatar brian m. carlson1-47/+51
Convert the internal structures using unsigned char [20] to take struct object_id using the following semantic patch and the standard object_id transforms: @@ struct leaf_node E1; @@ - E1.key_sha1 + E1.key_oid.hash @@ struct leaf_node *E1; @@ - E1->key_sha1 + E1->key_oid.hash @@ struct leaf_node E1; @@ - E1.key_sha1 + E1.key_oid.hash @@ struct leaf_node *E1; @@ - E1->key_sha1 + E1->key_oid.hash @@ struct non_note E1; @@ - E1.sha1 + E1.oid.hash @@ struct non_note *E1; @@ - E1->sha1 + E1->oid.hash Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-27notes: do not break note_tree structure in note_tree_consolidate()Libravatar Mike Hommey1-2/+4
After a note is removed, note_tree_consolidate is called to eliminate some useless nodes. The typical case is that if you had an int_node with 2 PTR_TYPE_NOTEs in it, and remove one of them, then the PTR_TYPE_INTERNAL pointer in the parent tree can be replaced with the remaining PTR_TYPE_NOTE. This works fine when PTR_TYPE_NOTEs are involved, but falls flat when other types are involved. To put things in more practical terms, let's say we start from an empty notes tree, and add 3 notes: - one for a sha1 that starts with 424 - one for a sha1 that starts with 428 - one for a sha1 that starts with 4c To keep track of this, note_tree.root will have a PTR_TYPE_INTERNAL at a[4], pointing to an int_node*. In turn, that int_node* will have a PTR_TYPE_NOTE at a[0xc], pointing to the leaf_node* with the key and value, and a PTR_TYPE_INTERNAL at a[2], pointing to another int_node*. That other int_node* will have 2 PTR_TYPE_NOTE, one at a[4] and the other at a[8]. When looking for the note for the sha1 starting with 428, get_note() will recurse through (simplified) root.a[4].a[2].a[8]. Now, if we remove the note for the sha1 that starts with 4c, we're left with a int_node* with only one PTR_TYPE_INTERNAL entry in it. After note_tree_consolidate runs, root.a[4] now points to what used to be pointed at by root.a[4].a[2]. Which means looking up for the note for the sha1 starting with 428 now fails because there is nothing at root.a[4].a[2] anymore: there is only root.a[4].a[4] and root.a[4].a[8], which don't match the expected structure for the lookup. So if all there is left in an int_node* is a PTR_TYPE_INTERNAL pointer, we can't safely remove it. I think the same applies for PTR_TYPE_SUBTREE pointers. IOW, only PTR_TYPE_NOTEs are safe to be moved to the parent int_node*. This doesn't have a practical effect on git because all that happens after a remove_note is a write_notes_tree, which just iterates the entire note tree, but this affects anything using libgit.a that would try to do lookups after removing notes. Signed-off-by: Mike Hommey <mh@glandium.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-09-07notes: convert init_notes to use struct object_idLibravatar brian m. carlson1-6/+6
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-13use string_list initializer consistentlyLibravatar Jeff King1-1/+1
There are two types of string_lists: those that own the string memory, and those that don't. You can tell the difference by the strdup_strings flag, and one should use either STRING_LIST_INIT_DUP, or STRING_LIST_INIT_NODUP as an initializer. Historically, the normal all-zeros initialization has corresponded to the NODUP case. Many sites use no initializer at all, and that works as a shorthand for that case. But for a reader of the code, it can be hard to remember which is which. Let's be more explicit and actually have each site declare which type it means to use. This is a fairly mechanical conversion; I assumed each site was correct as-is, and just switched them all to NODUP. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-04-25struct name_entry: use struct object_id instead of unsigned char sha1[20]Libravatar brian m. carlson1-2/+2
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-02-26Merge branch 'jk/tighten-alloc'Libravatar Junio C Hamano1-1/+1
Update various codepaths to avoid manually-counted malloc(). * jk/tighten-alloc: (22 commits) ewah: convert to REALLOC_ARRAY, etc convert ewah/bitmap code to use xmalloc diff_populate_gitlink: use a strbuf transport_anonymize_url: use xstrfmt git-compat-util: drop mempcpy compat code sequencer: simplify memory allocation of get_message test-path-utils: fix normalize_path_copy output buffer size fetch-pack: simplify add_sought_entry fast-import: simplify allocation in start_packfile write_untracked_extension: use FLEX_ALLOC helper prepare_{git,shell}_cmd: use argv_array use st_add and st_mult for allocation size computation convert trivial cases to FLEX_ARRAY macros use xmallocz to avoid size arithmetic convert trivial cases to ALLOC_ARRAY convert manual allocations to argv_array argv-array: add detach function add helpers for allocating flex-array structs harden REALLOC_ARRAY and xcalloc against size_t overflow tree-diff: catch integer overflow in combine_diff_path allocation ...
2016-02-22convert trivial cases to ALLOC_ARRAYLibravatar Jeff King1-1/+1
Each of these cases can be converted to use ALLOC_ARRAY or REALLOC_ARRAY, which has two advantages: 1. It automatically checks the array-size multiplication for overflow. 2. It always uses sizeof(*array) for the element-size, so that it can never go out of sync with the declared type of the array. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-02-03Merge branch 'jk/notes-merge-from-anywhere'Libravatar Junio C Hamano1-0/+10
"git notes merge" used to limit the source of the merged notes tree to somewhere under refs/notes/ hierarchy, which was too limiting when inventing a workflow to exchange notes with remote repositories using remote-tracking notes trees (located in e.g. refs/remote-notes/ or somesuch). * jk/notes-merge-from-anywhere: notes: allow merging from arbitrary references
2016-01-17notes: allow merging from arbitrary referencesLibravatar Jacob Keller1-0/+10
Create a new expansion function, expand_loose_notes_ref which will first check whether the ref can be found using get_sha1. If it can't be found then it will fallback to using expand_notes_ref. The content of the strbuf will not be changed if the notes ref can be located using get_sha1. Otherwise, it may be updated as done by expand_notes_ref. Since we now support merging from non-notes refs, remove the test case associated with that behavior. Add a test case for merging from a non-notes ref. Signed-off-by: Jacob Keller <jacob.keller@gmail.com> Reviewed-by: Johan Herland <johan@herland.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-01-12notes: allow treeish expressions as notes refLibravatar Mike Hommey1-4/+7
init_notes() is the main point of entry to the notes API. It ensures that the input can be used as ref, because it needs a ref to update to store notes tree after modifying it. There however are many use cases where notes tree is only read, e.g. "git log --notes=...". Any notes-shaped treeish could be used for such purpose, but it is not allowed due to existing restriction. Allow treeish expressions to be used in the case the notes tree is going to be used without write "permissions". Add a flag to distinguish whether the notes tree is intended to be used read-only, or will be updated. With this change, operations that use notes read-only can be fed any notes-shaped tree-ish can be used, e.g. git log --notes=notes@{1}. Signed-off-by: Mike Hommey <mh@glandium.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-10-05notes: document length of fanout path with a constantLibravatar Jeff King1-3/+6
We know that a fanned-out sha1 in a notes tree cannot be more than "aa/bb/cc/...", and we have an assert() to confirm that. But let's factor out that length into a constant so we can be sure it is used consistently. And even though we assert() earlier, let's replace a strcpy with xsnprintf, so it is clear to a reader that all cases are covered. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-09-04Sync with 2.4.9Libravatar Junio C Hamano1-9/+10
2015-09-04Sync with 2.2.3Libravatar Junio C Hamano1-9/+10
2015-09-04notes: use a strbuf in add_non_noteLibravatar Jeff King1-9/+10
When we are loading a notes tree into our internal hash table, we also collect any files that are clearly non-notes. We format the name of the file into a PATH_MAX buffer, but unlike true notes (which cannot be larger than a fanned-out sha1 hash), these tree entries can be arbitrarily long, overflowing our buffer. We can fix this by switching to a strbuf. It doesn't even cost us an extra allocation, as we can simply hand ownership of the buffer over to the non-note struct. This is of moderate security interest, as you might fetch notes trees from an untrusted remote. However, we do not do so by default, so you would have to manually fetch into the notes namespace. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-05-25string_list_add_one_ref(): rewrite to take an object_id argumentLibravatar Michael Haggerty1-5/+2
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-05-25each_ref_fn: change to take an object_id parameterLibravatar Michael Haggerty1-1/+4
Change typedef each_ref_fn to take a "const struct object_id *oid" parameter instead of "const unsigned char *sha1". To aid this transition, implement an adapter that can be used to wrap old-style functions matching the old typedef, which is now called "each_ref_sha1_fn"), and make such functions callable via the new interface. This requires the old function and its cb_data to be wrapped in a "struct each_ref_fn_sha1_adapter", and that object to be used as the cb_data for an adapter function, each_ref_fn_adapter(). This is an enormous diff, but most of it consists of simple, mechanical changes to the sites that call any of the "for_each_ref" family of functions. Subsequent to this change, the call sites can be rewritten one by one to use the new interface. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-02-24Merge branch 'jk/blame-commit-label' into maintLibravatar Junio C Hamano1-1/+1
"git blame HEAD -- missing" failed to correctly say "HEAD" when it tried to say "No such path 'missing' in HEAD". * jk/blame-commit-label: blame.c: fix garbled error message use xstrdup_or_null to replace ternary conditionals builtin/commit.c: use xstrdup_or_null instead of envdup builtin/apply.c: use xstrdup_or_null instead of null_strdup git-compat-util: add xstrdup_or_null helper
2015-02-11Merge branch 'jk/blame-commit-label'Libravatar Junio C Hamano1-1/+1
"git blame HEAD -- missing" failed to correctly say "HEAD" when it tried to say "No such path 'missing' in HEAD". * jk/blame-commit-label: blame.c: fix garbled error message use xstrdup_or_null to replace ternary conditionals builtin/commit.c: use xstrdup_or_null instead of envdup builtin/apply.c: use xstrdup_or_null instead of null_strdup git-compat-util: add xstrdup_or_null helper
2015-01-13use xstrdup_or_null to replace ternary conditionalsLibravatar Jeff King1-1/+1
This replaces "x ? xstrdup(x) : NULL" with xstrdup_or_null(x). The change is fairly mechanical, with the exception of resolve_refdup, which can eliminate a temporary variable. There are still a few hits grepping for "?.*xstrdup", but these are of slightly different forms and cannot be converted (e.g., "x ? xstrdup(x->foo) : NULL"). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-22Merge branch 'mh/simplify-repack-without-refs'Libravatar Junio C Hamano1-1/+1
"git remote update --prune" to drop many refs has been optimized. * mh/simplify-repack-without-refs: sort_string_list(): rename to string_list_sort() prune_remote(): iterate using for_each_string_list_item() prune_remote(): rename local variable repack_without_refs(): make the refnames argument a string_list prune_remote(): sort delete_refs_list references en masse prune_remote(): initialize both delete_refs lists in a single loop prune_remote(): exit early if there are no stale references
2014-11-25sort_string_list(): rename to string_list_sort()Libravatar Michael Haggerty1-1/+1
The new name is more consistent with the names of other string_list-related functions. Suggested-by: Junio C Hamano <gitster@pobox.com> Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-12notes: empty notes should be shown by 'git log'Libravatar Johan Herland1-2/+1
If the user has gone through the trouble of explicitly adding an empty note, then "git log" should not silently skip it (as if it didn't exist). Signed-off-by: Johan Herland <johan@herland.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-05-27notes.c: rearrange xcalloc argumentsLibravatar Brian Gesiak1-3/+3
xcalloc() takes two arguments: the number of elements and their size. notes.c includes several calls to xcalloc() that pass the arguments in reverse order. Rearrange them so they are in the correct order. Signed-off-by: Brian Gesiak <modocache@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-12-05replace {pre,suf}fixcmp() with {starts,ends}_with()Libravatar Christian Couder1-4/+4
Leaving only the function definitions and declarations so that any new topic in flight can still make use of the old functions, replace existing uses of the prefixcmp() and suffixcmp() with new API functions. The change can be recreated by mechanically applying this: $ git grep -l -e prefixcmp -e suffixcmp -- \*.c | grep -v strbuf\\.c | xargs perl -pi -e ' s|!prefixcmp\(|starts_with\(|g; s|prefixcmp\(|!starts_with\(|g; s|!suffixcmp\(|ends_with\(|g; s|suffixcmp\(|!ends_with\(|g; ' on the result of preparatory changes in this series. Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 16:36:17 +0000