kmx git

Commit	Date	Message
caab22c0	2015-06-23T15:41:58	buffer: don't allow growing borrowed buffers When we don't own a buffer (asize=0) we currently allow the usage of grow to copy the memory into a buffer we do own. This muddles the meaning of grow, and lets us be a bit cavalier with ownership semantics. Don't allow this any more. Usage of grow should be restricted to buffers which we know own their own memory. If unsure, we must not attempt to modify it.
d4cf1675	2015-02-19T10:05:33	buffer: introduce git_buf_attach_notowned Provide a convenience function that creates a buffer that can be provided to callers but will not be freed via `git_buf_free`, so the buffer creator maintains the allocation lifecycle of the buffer's contents.
4aa664ae	2015-02-10T23:55:07	git_buf_grow_by: increase buf asize incrementally Introduce `git_buf_grow_by` to incrementally increase the size of a `git_buf`, performing an overflow calculation on the growth.
e003f83a	2014-07-31T15:14:56	Introduce git_buf_decode_base64 Decode base64-encoded text into a git_buf
e349ed50	2014-04-22T14:58:33	patch: emit binary patches (optionally)
b3b36a68	2014-04-10T12:43:16	Introduce git_buf_putcn Allows for inserting the same character n amount of times
18234b14	2014-02-21T09:14:16	Add efficient git_buf join3 API There are a few places where we need to join three strings to assemble a path. This adds a simple join3 function to avoid the comparatively expensive join_n (which calls strlen on each string twice).
4f46a98b	2014-02-24T23:32:25	Remove now-duplicated stdarg.h include
6adcaab7	2014-01-08T10:07:30	Handle git_buf's from users more liberally
5588f073	2013-12-09T10:25:36	Clean up warnings
a9f51e43	2013-09-11T22:00:36	Merge git_buf and git_buffer This makes the git_buf struct that was used internally into an externally available structure and eliminates the git_buffer. As part of that, some of the special cases that arose with the externally used git_buffer were blended into the git_buf, such as being careful about git_buf objects that may have a NULL ptr and allowing for bufs with a valid ptr and size but zero asize as a way of referring to externally owned data.
2a7d224f	2013-09-10T16:33:32	Extend public filter api with filter lists This moves the git_filter_list into the public API so that users can create, apply, and dispose of filter lists. This allows more granular application of filters to user data outside of libgit2 internals. This also converts all the internal usage of filters to the public APIs along with a few small tweaks to make it easier to use the public git_buffer stuff alongside the internal git_buf.
85d54812	2013-08-28T16:44:04	Create public filter object and use it This creates include/sys/filter.h with a basic definition of a git_filter and then converts the internal code to use it. There are related internal objects (git_filter_list) that we will want to publish at some point, but this is a first step.
278ce746	2013-07-01T10:20:38	Add helpful buffer shorten function
ed4f95e5	2013-03-05T11:47:07	Add const to some buffer functions
f1e2735c	2013-01-30T11:10:39	Add helper for diff line stats This adds a `git_diff_patch_line_stats()` API that gets the total number of adds, deletes, and context lines in a patch. This will make it a little easier to emulate `git diff --stat` and the like. Right now, this relies on generating the `git_diff_patch` object, which is a pretty heavyweight way to get stat information. At some future point, it would probably be nice to be able to get this information without allocating the entire `git_diff_patch`, but that's a much larger project.
359fc2d2	2013-01-08T17:07:25	update copyrights
7bf87ab6	2012-11-28T09:58:48	Consolidate text buffer functions There are many scattered functions that look into the contents of buffers to do various text manipulations (such as escaping or unescaping data, calculating text stats, guessing if content is binary, etc). This groups all those functions together into a new file and converts the code to use that. This has two enhancements to existing functionality. The old text stats function is significantly rewritten and the BOM detection code was extended (although largely we can't deal with anything other than a UTF8 BOM).
3a14d3e2	2012-10-01T11:58:15	buf: introduce git_buf_splice()
b46708aa	2012-10-11T23:04:08	Separated git_strarray from common.h. Added doxy comments.
2d3579be	2012-10-10T14:54:31	Add git_buf_put_base64 to buffer API
02a0d651	2012-07-12T16:31:59	Add git_buf_unescape and git__unescape to unescape all characters in a string (in-place)
039fc406	2012-07-10T15:10:14	Add a couple of useful git_buf utilities * `git_buf_rfind` (with tests and tests for `git_buf_rfind_next`) * `git_buf_puts_escaped` and `git_buf_puts_escaped_regex` (with tests) to copy strings into a buffer while injecting an escape sequence (e.g. '\') in front of particular characters.
a0d95962	2012-05-17T13:14:17	Other optimization and warning fixes This fixes a warning left by the earlier optimization and addresses one of the other hotspots identified by GProf.
b59c73d3	2012-05-17T13:06:20	Optimize away git_text_gather_stats in diff GProf shows `git_text_gather_stats` as the most expensive call in large diffs. The function calculates a lot of information that is not actually used and does not do so in a optimal order. This introduces a tuned `git_buf_is_binary` function that executes the same algorithm in a fraction of the time.
2c833917	2012-05-15T16:33:05	Document git_buf_common_prefix This function fills in a git_buf with the common prefix of an array of strings, but let's make that a little more clear.
41a82592	2012-05-15T14:17:39	Ranged iterators and rewritten git_status_file The goal of this work is to rewrite git_status_file to use the same underlying code as git_status_foreach. This is done in 3 phases: 1. Extend iterators to allow ranged iteration with start and end prefixes for the range of file names to be covered. 2. Improve diff so that when there is a pathspec and there is a common non-wildcard prefix of the pathspec, it will use ranged iterators to minimize excess iteration. 3. Rewrite git_status_file to call git_status_foreach_ext with a pathspec that covers just the one file being checked. Since ranged iterators underlie the status & diff implementation, this is actually fairly efficient. The workdir iterator does end up loading the contents of all the directories down to the single file, which should ideally be avoided, but it is pretty good.
3972ca43	2012-05-05T22:14:02	compat: Add `stdarg.h` include
baaf1c47	2012-05-02T23:44:22	buffer: Add `git_buf_vprintf`
da3c187d	2012-04-29T19:08:48	buf: add git_buf_len() accessor to expose the current length of the buffer content
0d0fa7c3	2012-03-16T15:56:01	Convert attr, ignore, mwindow, status to new errors Also cleaned up some previously converted code that still had little things to polish.
deafee7b	2012-03-14T17:36:15	Continue error conversion This converts blob.c, fileops.c, and all of the win32 files. Also, various minor cleanups throughout the code. Plus, in testing the win32 build, I cleaned up a bunch (although not all) of the warnings with the 64-bit build.
cb8a7961	2012-03-07T00:02:55	error-handling: Repository This also includes droping `git_buf_lasterror` because it makes no sense in the new system. Note that in most of the places were it has been dropped, the code needs cleanup. I.e. GIT_ENOMEM is going away, so instead it should return a generic `-1` and obviously not throw anything.
ce49c7a8	2012-03-02T15:09:40	Add filter tests and fix some bugs This adds some initial unit tests for file filtering and fixes some simple bugs in filter application.
13224ea4	2012-02-27T04:28:31	buffer: Unify `git_fbuffer` and `git_buf` This makes so much sense that I can't believe it hasn't been done before. Kill the old `git_fbuffer` and read files straight into `git_buf` objects. Also: In order to fully support 4GB files in 32-bit systems, the `git_buf` implementation has been changed from using `ssize_t` for storage and storing negative values on allocation failure, to using `size_t` and changing the buffer pointer to a magical pointer on allocation failure. Hopefully this won't break anything.
b6c93aef	2012-02-21T14:46:24	Uniform iterators for trees, index, and workdir This create a new git_iterator type of object that provides a uniform interface for iterating over the index, an arbitrary tree, or the working directory of a repository. As part of this, git ignore support was extended to support push and pop of directory-based ignore files as the working directory is being traversed (so the array of ignores does not have to be recreated at each directory during traveral). There are a number of other small utility functions in buffer, path, vector, and fileops that are included in this patch that made the iterator implementation cleaner.
5e0de328	2012-02-13T17:10:24	Update Copyright header Signed-off-by: schu <schu-github@schulog.org>
df743c7d	2012-01-09T15:37:19	Initial implementation of gitignore support Adds support for .gitignore files to git_status_foreach() and git_status_file(). This includes refactoring the gitattributes code to share logic where possible. The GIT_STATUS_IGNORED flag will now be passed in for files that are ignored (provided they are not already in the index or the head of repo).
bf6d2717	2011-12-14T03:27:53	buffer: inline `git_buf_cstr`
97769280	2011-11-30T11:27:15	Use git_buf for path storage instead of stack-based buffers This converts virtually all of the places that allocate GIT_PATH_MAX buffers on the stack for manipulating paths to use git_buf objects instead. The patch is pretty careful not to touch the public API for libgit2, so there are a few places that still use GIT_PATH_MAX. This extends and changes some details of the git_buf implementation to add a couple of extra functions and to make error handling easier. This includes serious alterations to all the path.c functions, and several of the fileops.c ones, too. Also, there are a number of new functions that parallel existing ones except that use a git_buf instead of a stack-based buffer (such as git_config_find_global_r that exists alongsize git_config_find_global). This also modifies the win32 version of p_realpath to allocate whatever buffer size is needed to accommodate the realpath instead of hardcoding a GIT_PATH_MAX limit, but that change needs to be tested still.
309113c9	2011-11-29T23:45:17	Make initial value of git_buf ptr always be a valid empty string. Taking a page from core git's strbuf, this introduces git_buf_initbuf which is an empty string that is used to initialize the git_buf ptr value even for new buffers. Now the git_buf ptr will always point to a valid NUL-terminated string. This change required jumping through a few hoops for git_buf_grow and git_buf_free to distinguish between a actual allocated buffer and the global initial value. Also, this moves the allocation related functions to be next to each other near the top of buffer.c.
c63728cd	2011-11-29T16:39:49	Make git_buf functions always maintain a valid cstr. At a tiny cost of 1 extra byte per allocation, this makes git_buf_cstr into basically a noop, which simplifies error checking when trying to convert things to use dynamic allocation. This patch also adds a new function (git_buf_copy_cstr) for copying the cstr data directly into an external buffer.
3aa294fd	2011-11-28T10:42:57	Add two string git_buf_join and tweak input error checking. This commit addresses two of the comments: * renamed existing n-input git_buf_join to git_buf_join_n * added new git_buf_join that always takes two inputs * moved some parameter error checking to asserts * extended unit tests to cover new version of git_buf_join
8c74d22e	2011-11-27T21:47:58	Extend git_buf with new utility functions and unit tests. Add new functions to git_buf for: * initializing a buffer from a string * joining one or more strings onto a buffer with separators * swapping two buffers in place * extracting data from a git_buf (leaving it empty) Also, make git_buf_free leave a git_buf back in its initted state, and slightly tweak buffer allocation sizes and thresholds. Finally, port unit tests to clay and extend with lots of new tests for the various git_buf functions.
8114ee4c	2011-09-22T10:17:43	Merge pull request #405 from carlosmn/http-ls Implement ls-remote over HTTP
bb742ede	2011-09-19T01:54:32	Cleanup legal data 1. The license header is technically not valid if it doesn't have a copyright signature. 2. The COPYING file has been updated with the different licenses used in the project. 3. The full GPLv2 header in each file annoys me.
c7c30513	2011-09-05T21:38:56	buffer: add git_buf_consume Moves the content after 'end' to the beginning of the buffer Signed-off-by: Carlos Martín Nieto <carlos@cmartin.tk>
b87600cb	2011-09-05T02:33:02	buffer: add git_buf_clear Set the size to zero so the memory that has already been allocated can be reused Signed-off-by: Carlos Martín Nieto <carlos@cmartin.tk>
afeecf4f	2011-07-09T02:10:46	odb: Direct writes are back DIRECT WRITES ARE BACK AND FASTER THAN EVER. The streaming writer to the ODB was an overkill for the smaller objects like Commit and Tags; most of the streaming logic was taking too long. This commit makes Commits, Tags and Trees to be built-up in memory, and then written to disk in 2 pushes (header + data), instead of streaming everything. This is always faster, even for big files (since the git_filebuf class still does streaming writes when the memory cache overflows). This is also a gazillion lines of code smaller, because we don't have to precompute the final size of the object before starting the stream (this was kind of defeating the point of streaming, anyway). Blobs are still written with full streaming instead of loading them in memory, since this is still the fastest way. A new `git_buf` class has been added. It's missing some features, but it'll get there.

caab22c0

2015-06-23T15:41:58

buffer: don't allow growing borrowed buffers When we don't own a buffer (asize=0) we currently allow the usage of grow to copy the memory into a buffer we do own. This muddles the meaning of grow, and lets us be a bit cavalier with ownership semantics. Don't allow this any more. Usage of grow should be restricted to buffers which we know own their own memory. If unsure, we must not attempt to modify it.

d4cf1675

2015-02-19T10:05:33

buffer: introduce git_buf_attach_notowned Provide a convenience function that creates a buffer that can be provided to callers but will not be freed via `git_buf_free`, so the buffer creator maintains the allocation lifecycle of the buffer's contents.

4aa664ae

2015-02-10T23:55:07

git_buf_grow_by: increase buf asize incrementally Introduce `git_buf_grow_by` to incrementally increase the size of a `git_buf`, performing an overflow calculation on the growth.

e003f83a

2014-07-31T15:14:56

Introduce git_buf_decode_base64 Decode base64-encoded text into a git_buf

e349ed50

2014-04-22T14:58:33

patch: emit binary patches (optionally)

b3b36a68

2014-04-10T12:43:16

Introduce git_buf_putcn Allows for inserting the same character n amount of times

18234b14

2014-02-21T09:14:16

Add efficient git_buf join3 API There are a few places where we need to join three strings to assemble a path. This adds a simple join3 function to avoid the comparatively expensive join_n (which calls strlen on each string twice).

4f46a98b

2014-02-24T23:32:25

Remove now-duplicated stdarg.h include

6adcaab7

2014-01-08T10:07:30

Handle git_buf's from users more liberally

5588f073

2013-12-09T10:25:36

Clean up warnings

a9f51e43

2013-09-11T22:00:36

Merge git_buf and git_buffer This makes the git_buf struct that was used internally into an externally available structure and eliminates the git_buffer. As part of that, some of the special cases that arose with the externally used git_buffer were blended into the git_buf, such as being careful about git_buf objects that may have a NULL ptr and allowing for bufs with a valid ptr and size but zero asize as a way of referring to externally owned data.

2a7d224f

2013-09-10T16:33:32

Extend public filter api with filter lists This moves the git_filter_list into the public API so that users can create, apply, and dispose of filter lists. This allows more granular application of filters to user data outside of libgit2 internals. This also converts all the internal usage of filters to the public APIs along with a few small tweaks to make it easier to use the public git_buffer stuff alongside the internal git_buf.

85d54812

2013-08-28T16:44:04

Create public filter object and use it This creates include/sys/filter.h with a basic definition of a git_filter and then converts the internal code to use it. There are related internal objects (git_filter_list) that we will want to publish at some point, but this is a first step.

278ce746

2013-07-01T10:20:38

Add helpful buffer shorten function

ed4f95e5

2013-03-05T11:47:07

Add const to some buffer functions

f1e2735c

2013-01-30T11:10:39

Add helper for diff line stats This adds a `git_diff_patch_line_stats()` API that gets the total number of adds, deletes, and context lines in a patch. This will make it a little easier to emulate `git diff --stat` and the like. Right now, this relies on generating the `git_diff_patch` object, which is a pretty heavyweight way to get stat information. At some future point, it would probably be nice to be able to get this information without allocating the entire `git_diff_patch`, but that's a much larger project.

359fc2d2

2013-01-08T17:07:25

update copyrights

7bf87ab6

2012-11-28T09:58:48

Consolidate text buffer functions There are many scattered functions that look into the contents of buffers to do various text manipulations (such as escaping or unescaping data, calculating text stats, guessing if content is binary, etc). This groups all those functions together into a new file and converts the code to use that. This has two enhancements to existing functionality. The old text stats function is significantly rewritten and the BOM detection code was extended (although largely we can't deal with anything other than a UTF8 BOM).

3a14d3e2

2012-10-01T11:58:15

buf: introduce git_buf_splice()

b46708aa

2012-10-11T23:04:08

Separated git_strarray from common.h. Added doxy comments.

2d3579be

2012-10-10T14:54:31

Add git_buf_put_base64 to buffer API

02a0d651

2012-07-12T16:31:59

Add git_buf_unescape and git__unescape to unescape all characters in a string (in-place)

039fc406

2012-07-10T15:10:14

Add a couple of useful git_buf utilities * `git_buf_rfind` (with tests and tests for `git_buf_rfind_next`) * `git_buf_puts_escaped` and `git_buf_puts_escaped_regex` (with tests) to copy strings into a buffer while injecting an escape sequence (e.g. '\') in front of particular characters.

a0d95962

2012-05-17T13:14:17

Other optimization and warning fixes This fixes a warning left by the earlier optimization and addresses one of the other hotspots identified by GProf.

b59c73d3

2012-05-17T13:06:20

Optimize away git_text_gather_stats in diff GProf shows `git_text_gather_stats` as the most expensive call in large diffs. The function calculates a lot of information that is not actually used and does not do so in a optimal order. This introduces a tuned `git_buf_is_binary` function that executes the same algorithm in a fraction of the time.

2c833917

2012-05-15T16:33:05

Document git_buf_common_prefix This function fills in a git_buf with the common prefix of an array of strings, but let's make that a little more clear.

41a82592

2012-05-15T14:17:39

Ranged iterators and rewritten git_status_file The goal of this work is to rewrite git_status_file to use the same underlying code as git_status_foreach. This is done in 3 phases: 1. Extend iterators to allow ranged iteration with start and end prefixes for the range of file names to be covered. 2. Improve diff so that when there is a pathspec and there is a common non-wildcard prefix of the pathspec, it will use ranged iterators to minimize excess iteration. 3. Rewrite git_status_file to call git_status_foreach_ext with a pathspec that covers just the one file being checked. Since ranged iterators underlie the status & diff implementation, this is actually fairly efficient. The workdir iterator does end up loading the contents of all the directories down to the single file, which should ideally be avoided, but it is pretty good.

3972ca43

2012-05-05T22:14:02

compat: Add `stdarg.h` include

baaf1c47

2012-05-02T23:44:22

buffer: Add `git_buf_vprintf`

da3c187d

2012-04-29T19:08:48

buf: add git_buf_len() accessor to expose the current length of the buffer content

0d0fa7c3

2012-03-16T15:56:01

Convert attr, ignore, mwindow, status to new errors Also cleaned up some previously converted code that still had little things to polish.

deafee7b

2012-03-14T17:36:15

Continue error conversion This converts blob.c, fileops.c, and all of the win32 files. Also, various minor cleanups throughout the code. Plus, in testing the win32 build, I cleaned up a bunch (although not all) of the warnings with the 64-bit build.

cb8a7961

2012-03-07T00:02:55

error-handling: Repository This also includes droping `git_buf_lasterror` because it makes no sense in the new system. Note that in most of the places were it has been dropped, the code needs cleanup. I.e. GIT_ENOMEM is going away, so instead it should return a generic `-1` and obviously not throw anything.

ce49c7a8

2012-03-02T15:09:40

Add filter tests and fix some bugs This adds some initial unit tests for file filtering and fixes some simple bugs in filter application.

13224ea4

2012-02-27T04:28:31

buffer: Unify `git_fbuffer` and `git_buf` This makes so much sense that I can't believe it hasn't been done before. Kill the old `git_fbuffer` and read files straight into `git_buf` objects. Also: In order to fully support 4GB files in 32-bit systems, the `git_buf` implementation has been changed from using `ssize_t` for storage and storing negative values on allocation failure, to using `size_t` and changing the buffer pointer to a magical pointer on allocation failure. Hopefully this won't break anything.

b6c93aef

2012-02-21T14:46:24

Uniform iterators for trees, index, and workdir This create a new git_iterator type of object that provides a uniform interface for iterating over the index, an arbitrary tree, or the working directory of a repository. As part of this, git ignore support was extended to support push and pop of directory-based ignore files as the working directory is being traversed (so the array of ignores does not have to be recreated at each directory during traveral). There are a number of other small utility functions in buffer, path, vector, and fileops that are included in this patch that made the iterator implementation cleaner.

5e0de328

2012-02-13T17:10:24

Update Copyright header Signed-off-by: schu <schu-github@schulog.org>

df743c7d

2012-01-09T15:37:19

Initial implementation of gitignore support Adds support for .gitignore files to git_status_foreach() and git_status_file(). This includes refactoring the gitattributes code to share logic where possible. The GIT_STATUS_IGNORED flag will now be passed in for files that are ignored (provided they are not already in the index or the head of repo).

bf6d2717

2011-12-14T03:27:53

buffer: inline `git_buf_cstr`

97769280

2011-11-30T11:27:15

Use git_buf for path storage instead of stack-based buffers This converts virtually all of the places that allocate GIT_PATH_MAX buffers on the stack for manipulating paths to use git_buf objects instead. The patch is pretty careful not to touch the public API for libgit2, so there are a few places that still use GIT_PATH_MAX. This extends and changes some details of the git_buf implementation to add a couple of extra functions and to make error handling easier. This includes serious alterations to all the path.c functions, and several of the fileops.c ones, too. Also, there are a number of new functions that parallel existing ones except that use a git_buf instead of a stack-based buffer (such as git_config_find_global_r that exists alongsize git_config_find_global). This also modifies the win32 version of p_realpath to allocate whatever buffer size is needed to accommodate the realpath instead of hardcoding a GIT_PATH_MAX limit, but that change needs to be tested still.

309113c9

2011-11-29T23:45:17

Make initial value of git_buf ptr always be a valid empty string. Taking a page from core git's strbuf, this introduces git_buf_initbuf which is an empty string that is used to initialize the git_buf ptr value even for new buffers. Now the git_buf ptr will always point to a valid NUL-terminated string. This change required jumping through a few hoops for git_buf_grow and git_buf_free to distinguish between a actual allocated buffer and the global initial value. Also, this moves the allocation related functions to be next to each other near the top of buffer.c.

c63728cd

2011-11-29T16:39:49

Make git_buf functions always maintain a valid cstr. At a tiny cost of 1 extra byte per allocation, this makes git_buf_cstr into basically a noop, which simplifies error checking when trying to convert things to use dynamic allocation. This patch also adds a new function (git_buf_copy_cstr) for copying the cstr data directly into an external buffer.

3aa294fd

2011-11-28T10:42:57

Add two string git_buf_join and tweak input error checking. This commit addresses two of the comments: * renamed existing n-input git_buf_join to git_buf_join_n * added new git_buf_join that always takes two inputs * moved some parameter error checking to asserts * extended unit tests to cover new version of git_buf_join

8c74d22e

2011-11-27T21:47:58

Extend git_buf with new utility functions and unit tests. Add new functions to git_buf for: * initializing a buffer from a string * joining one or more strings onto a buffer with separators * swapping two buffers in place * extracting data from a git_buf (leaving it empty) Also, make git_buf_free leave a git_buf back in its initted state, and slightly tweak buffer allocation sizes and thresholds. Finally, port unit tests to clay and extend with lots of new tests for the various git_buf functions.

8114ee4c

2011-09-22T10:17:43

Merge pull request #405 from carlosmn/http-ls Implement ls-remote over HTTP

bb742ede

2011-09-19T01:54:32

Cleanup legal data 1. The license header is technically not valid if it doesn't have a copyright signature. 2. The COPYING file has been updated with the different licenses used in the project. 3. The full GPLv2 header in each file annoys me.

c7c30513

2011-09-05T21:38:56

buffer: add git_buf_consume Moves the content after 'end' to the beginning of the buffer Signed-off-by: Carlos Martín Nieto <carlos@cmartin.tk>

b87600cb

2011-09-05T02:33:02

buffer: add git_buf_clear Set the size to zero so the memory that has already been allocated can be reused Signed-off-by: Carlos Martín Nieto <carlos@cmartin.tk>

afeecf4f

2011-07-09T02:10:46

odb: Direct writes are back DIRECT WRITES ARE BACK AND FASTER THAN EVER. The streaming writer to the ODB was an overkill for the smaller objects like Commit and Tags; most of the streaming logic was taking too long. This commit makes Commits, Tags and Trees to be built-up in memory, and then written to disk in 2 pushes (header + data), instead of streaming everything. This is *always* faster, even for big files (since the git_filebuf class still does streaming writes when the memory cache overflows). This is also a gazillion lines of code smaller, because we don't have to precompute the final size of the object before starting the stream (this was kind of defeating the point of streaming, anyway). Blobs are still written with full streaming instead of loading them in memory, since this is still the fastest way. A new `git_buf` class has been added. It's missing some features, but it'll get there.

thodg/libgit2/src/buffer.h

src/buffer.h

Log