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The new call will read from a file descriptor into a strbuf once. The
underlying call xread is just run once. xread only reattempts
reading in case of EINTR, which makes it suitable to use for a
nonblocking read.
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The internal stripspace() function has been moved to where it
logically belongs to, i.e. strbuf API, and the command line parser
of "git stripspace" has been updated to use the parse_options API.
* tk/stripspace:
stripspace: use parse-options for command-line parsing
strbuf: make stripspace() part of strbuf
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This function is also used in other builtins than stripspace, so it
makes sense to have it in a more generic place. Since it operates
on an strbuf and the function is declared in strbuf.h, move it to
strbuf.c and add the corresponding prefix to its name, just like
other API functions in the strbuf_* family.
Also switch all current users of stripspace() to the new function
name and keep a temporary wrapper inline function for any topic
branches still using stripspace().
Reviewed-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The sha1_to_hex and find_unique_abbrev functions always
write into reusable static buffers. There are a few problems
with this:
- future calls overwrite our result. This is especially
annoying with find_unique_abbrev, which does not have a
ring of buffers, so you cannot even printf() a result
that has two abbreviated sha1s.
- if you want to put the result into another buffer, we
often strcpy, which looks suspicious when auditing for
overflows.
This patch introduces sha1_to_hex_r and find_unique_abbrev_r,
which write into a user-provided buffer. Of course this is
just punting on the overflow-auditing, as the buffer
obviously needs to be GIT_SHA1_HEXSZ + 1 bytes. But it is
much easier to audit, since that is a well-known size.
We retain the non-reentrant forms, which just become thin
wrappers around the reentrant ones. This patch also adds a
strbuf variant of find_unique_abbrev, which will be handy in
later patches.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The strbuf_complete_line function makes sure that a buffer
ends in a newline. But we may want to do this for any
character (e.g., "/" on the end of a path). Let's factor out
a generic version, and keep strbuf_complete_line as a thin
wrapper.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Teach "git log" and friends a new "--date=format:..." option to
format timestamps using system's strftime(3).
* jk/date-mode-format:
strbuf: make strbuf_addftime more robust
introduce "format" date-mode
convert "enum date_mode" into a struct
show-branch: use DATE_RELATIVE instead of magic number
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Avoid possible ssize_t to int truncation.
* mh/strbuf-read-file-returns-ssize-t:
strbuf: strbuf_read_file() should return ssize_t
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It is currently declared to return int, which could overflow for
large files.
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This feeds the format directly to strftime. Besides being a
little more flexible, the main advantage is that your system
strftime may know more about your locale's preferred format
(e.g., how to spell the days of the week).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We mark strbuf_addch as inline, because we expect it may be
called from a tight loop. However, the first thing it does
is call the non-inline strbuf_grow(), which can handle
arbitrary-sized growth. Since we know that we only need a
single character, we can use the inline strbuf_avail() to
quickly check whether we need to grow at all.
Our check is redundant when we do call strbuf_grow(), but
that's OK. The common case is that we avoid calling it at
all, and we have made that case faster.
On a silly pathological case:
perl -le '
print "[core]";
print "key$_ = value$_" for (1..1000000)
' >input
git config -f input core.key1
this dropped the time to run git-config from:
real 0m0.159s
user 0m0.152s
sys 0m0.004s
to:
real 0m0.140s
user 0m0.136s
sys 0m0.004s
for a savings of 12%.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The relationship between these makes more sense if you read
them as a group, which can help people who are looking for
the right function. Let's give them a single comment.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The description of strbuf_split_buf says most of what
needs to be said for all of the split variants that take
strings, raw memory, etc. We have a boilerplate comment
above each that points to the first. This boilerplate
ends up making it harder to read, because it spaces out the
functions, which could otherwise be read as a group.
Let's drop the boilerplate completely, and mention the
variants in the top comment. This is perhaps slightly worse
for a hypothetical system which pulls the documentation for
each function out of the comment immediately preceding it.
But such a system does not yet exist, and anyway, the end
result of extracting the boilerplate comments would not lead
to a very easy-to-read result. We would do better in the
long run to teach the extraction system about groups of
related functions.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The original API doc had something like:
Functions
---------
* Life cycle
... some life-cycle functions ...
* Related to the contents of the buffer
... functions related to contents ....
etc
This grouping can be hard to read in the comment sources,
given the "*" in the comment lines, and the amount of text
between each section.
Instead, let's make a flat list of groupings, and underline
each as a section header. That makes them stand out, and
eliminates the weird half-phrase of "Related to...". Like:
Functions related to the contents of the buffer
-----------------------------------------------
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This is much easier to read when the whole thing is stuffed
inside a comment block. And there is precedent for this
convention in markdown (and just in general ascii text).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Using a hanging indent is much more readable. This means we
won't format as asciidoc anymore, but since we don't have a
working system for extracting these comments anyway, it's
probably more important to just make the source readable.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The prior patch uses "/**" to denote "documentation"
comments that we pulled from api-strbuf.txt. Let's use a
consistent style for similar comments that were already in
strbuf.h.
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Some of strbuf is documented as comments above functions,
and some is separate in Documentation/technical/api-strbuf.txt.
This makes it annoying to find the appropriate documentation.
We'd rather have it all in one place, which means all in the
text document, or all in the header.
Let's choose the header as that place. Even though the
formatting is not quite as pretty, this keeps the
documentation close to the related code. The hope is that
this makes it easier to find what you want (human-readable
comments are right next to the C declarations), and easier
for writers to keep the documentation up to date.
This is more or less a straight import of the text from
api-strbuf.txt into C comments, complete with asciidoc
formatting. The exceptions are:
1. All comments created in this way are started with "/**"
to indicate they are part of the API documentation. This
may help later with extracting the text to pretty-print
it.
2. Function descriptions do not repeat the function name,
as it is available in the context directly below. So:
`strbuf_add`::
Add data of given length to the buffer.
from api-strbuf.txt becomes:
/**
* Add data of given length to the buffer.
*/
void strbuf_add(struct strbuf *sb, const void *, size_t);
As a result, any block-continuation required in asciidoc
for that list item was dropped in favor of straight
blank-line paragraph (since it is not necessary when we
are not in a list item).
3. There is minor re-wording to integrate existing comments
and api-strbuf text. In each case, I took whichever
version was more descriptive, and eliminated any
redundancies. In one case, for strbuf_addstr, the api
documentation gave its inline definition; I eliminated
this as redundant with the actual definition, which can
be seen directly below the comment.
4. The functions in the header file are re-ordered to match
the ordering of the API documentation, under the
assumption that more thought went into the grouping
there.
Helped-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Code clean-up.
* rs/export-strbuf-addchars:
strbuf: use strbuf_addchars() for adding a char multiple times
strbuf: export strbuf_addchars()
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Move strbuf_addchars() to strbuf.c, where it belongs, and make it
available for other callers.
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Reduce the use of fixed sized buffer passed to getcwd() calls
by introducing xgetcwd() helper.
* rs/strbuf-getcwd:
use strbuf_add_absolute_path() to add absolute paths
abspath: convert absolute_path() to strbuf
use xgetcwd() to set $GIT_DIR
use xgetcwd() to get the current directory or die
wrapper: add xgetcwd()
abspath: convert real_path_internal() to strbuf
abspath: use strbuf_getcwd() to remember original working directory
setup: convert setup_git_directory_gently_1 et al. to strbuf
unix-sockets: use strbuf_getcwd()
strbuf: add strbuf_getcwd()
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Move most of the code of absolute_path() into the new function
strbuf_add_absolute_path() and in the process transform it to use
struct strbuf and xgetcwd() instead of a PATH_MAX-sized buffer,
which can be too small on some file systems.
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add strbuf_getcwd(), which puts the current working directory into a
strbuf. Because it doesn't use a fixed-size buffer it supports
arbitrarily long paths, provided the platform's getcwd() does as well.
At least on Linux and FreeBSD it handles paths longer than PATH_MAX
just fine.
Suggested-by: Karsten Blees <karsten.blees@gmail.com>
Helped-by: Duy Nguyen <pclouds@gmail.com>
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jk/strip-suffix:
prepare_packed_git_one: refactor duplicate-pack check
verify-pack: use strbuf_strip_suffix
strbuf: implement strbuf_strip_suffix
index-pack: use strip_suffix to avoid magic numbers
use strip_suffix instead of ends_with in simple cases
replace has_extension with ends_with
implement ends_with via strip_suffix
add strip_suffix function
sha1_file: replace PATH_MAX buffer with strbuf in prepare_packed_git_one()
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You can almost get away with just calling "strip_suffix_mem"
on a strbuf's buf and len fields. But we also need to move
the NUL-terminator to satisfy strbuf's invariants. Let's
provide a convenience wrapper that handles this.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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You can use a strbuf to build up a string from parts, and
then detach it. In the general case, you might use multiple
strbuf_add* functions to do the building. However, in many
cases, a single strbuf_addf is sufficient, and we end up
with:
struct strbuf buf = STRBUF_INIT;
...
strbuf_addf(&buf, fmt, some, args);
str = strbuf_detach(&buf, NULL);
We can make this much more readable (and avoid introducing
an extra variable, which can clutter the code) by
introducing a convenience function:
str = xstrfmt(fmt, some, args);
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Propagate the error messages from the webserver better to the
client coming over the HTTP transport.
* jk/http-errors:
http: default text charset to iso-8859-1
remote-curl: reencode http error messages
strbuf: add strbuf_reencode helper
http: optionally extract charset parameter from content-type
http: extract type/subtype portion of content-type
t5550: test display of remote http error messages
t/lib-httpd: use write_script to copy CGI scripts
test-lib: preserve GIT_CURL_VERBOSE from the environment
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* jk/strbuf-tolower:
strbuf: add strbuf_tolower function
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* jk/daemon-tolower:
daemon/config: factor out duplicate xstrdup_tolower
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This is a convenience wrapper around `reencode_string_len`
and `strbuf_attach`.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This is a convenience wrapper to call tolower on each
character of the string.
This makes config's lowercase() function obsolete, though
note that because we have a strbuf, we are careful to
operate over the whole strbuf, rather than assuming that a
NUL is the end-of-string.
We could continue to offer a pure-string lowercase, but
there would be no callers (in most pure-string cases, we
actually duplicate and lowercase the duplicate, for which we
have the xstrdup_tolower wrapper).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We have two implementations of the same function; let's drop
that to one. We take the name from daemon.c, but the
implementation (which is just slightly more efficient) from
the config code.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Humanization of downloaded size is done in the same function as text
formatting in 'process.c'. The code cannot be reused easily elsewhere.
Separate text formatting from size simplification and make the
function public in strbuf so that it can easily be used by other
callers.
We now can use strbuf_humanise_bytes() for both downloaded size and
download speed calculation. One of the drawbacks is that speed will
now look like this when download is stalled: "0 bytes/s" instead of
"0 KiB/s".
Signed-off-by: Antoine Pelisse <apelisse@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Some users do want to write a line that begin with a pound sign, #,
in their commit log message. Many tracking system recognise
a token of #<bugid> form, for example.
The support we offer these use cases is not very friendly to the end
users. They have a choice between
- Don't do it. Avoid such a line by rewrapping or indenting; and
- Use --cleanup=whitespace but remove all the hint lines we add.
Give them a way to set a custom comment char, e.g.
$ git -c core.commentchar="%" commit
so that they do not have to do either of the two workarounds.
[jc: although I started the topic, all the tests and documentation
updates, many of the call sites of the new strbuf_add_commented_*()
functions, and the change to git-submodule.sh scripted Porcelain are
from Ralf.]
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Ralf Thielow <ralf.thielow@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Update imap-send to reuse xml quoting code from http-push codepath,
clean up some code, and fix a small bug.
* mh/unify-xml-in-imap-send-and-http-push:
wrap_in_html(): process message in bulk rather than line-by-line
wrap_in_html(): use strbuf_addstr_xml_quoted()
imap-send: change msg_data from storing (ptr, len) to storing strbuf
imap-send: correctly report errors reading from stdin
imap-send: store all_msgs as a strbuf
lf_to_crlf(): NUL-terminate msg_data::data
xml_entities(): use function strbuf_addstr_xml_quoted()
Add new function strbuf_add_xml_quoted()
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Substantially the same code is present in http-push.c and imap-send.c,
so make a library function out of it.
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Document strbuf_split_buf(), strbuf_split_str(), strbuf_split_max(),
strbuf_split(), and strbuf_list_free() in the header file and in
api-strbuf.txt. (These functions were previously completely
undocumented.)
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Jeff King <peff@peff.net>
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The word "delimiter" suggests that the argument separates the
substrings, whereas in fact (1) the delimiter characters are included
in the output, and (2) if the input string ends with the delimiter,
then the output does not include a final empty string. So rename the
"delim" arguments of the strbuf_split() family of functions to
"terminator", which is more suggestive of how it is used.
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Jeff King <peff@peff.net>
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Also remove an unused function.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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These functions are helpful when we do not want to expose \n to
translators. For example
printf("hello world\n");
can be converted to
printf_ln(_("hello world"));
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* tr/maint-bundle-long-subject:
t5704: match tests to modern style
strbuf: improve strbuf_get*line documentation
bundle: use a strbuf to scan the log for boundary commits
bundle: put strbuf_readline_fd in strbuf.c with adjustments
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The comment even said that it should eventually go there. While at
it, match the calling convention and name of the function to the
strbuf_get*line family. So it now is strbuf_getwholeline_fd.
Signed-off-by: Thomas Rast <trast@student.ethz.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jk/credentials:
t: add test harness for external credential helpers
credentials: add "store" helper
strbuf: add strbuf_add*_urlencode
Makefile: unix sockets may not available on some platforms
credentials: add "cache" helper
docs: end-user documentation for the credential subsystem
credential: make relevance of http path configurable
credential: add credential.*.username
credential: apply helper config
http: use credential API to get passwords
credential: add function for parsing url components
introduce credentials API
t5550: fix typo
test-lib: add test_config_global variant
Conflicts:
strbuf.c
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This just follows the rfc3986 rules for percent-encoding
url data into a strbuf.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When a contributor asks the integrator to merge her history, a signed tag
can be a good vehicle to communicate the authenticity of the request while
conveying other information such as the purpose of the topic.
E.g. a signed tag "for-linus" can be created, and the integrator can run:
$ git pull git://example.com/work.git/ for-linus
This would allow the integrator to run "git verify-tag FETCH_HEAD" to
validate the signed tag.
Update fmt-merge-msg so that it pre-fills the merge message template with
the body (but not signature) of the tag object to help the integrator write
a better merge message, in the same spirit as the existing merge.log summary
lines.
The message that comes from GPG signature validation is also included in
the merge message template to help the integrator verify it, but they are
prefixed with "#" to make them comments.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jk/maint-config-param:
config: use strbuf_split_str instead of a temporary strbuf
strbuf: allow strbuf_split to work on non-strbufs
config: avoid segfault when parsing command-line config
config: die on error in command-line config
fix "git -c" parsing of values with equals signs
strbuf_split: add a max parameter
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The strbuf_split function takes a strbuf as input, and
outputs a list of strbufs. However, there is no reason that
the input has to be a strbuf, and not an arbitrary buffer.
This patch adds strbuf_split_buf for a length-delimited
buffer, and strbuf_split_str for NUL-terminated strings.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Sometimes when splitting, you only want a limited number of
fields, and for the final field to contain "everything
else", even if it includes the delimiter.
This patch introduces strbuf_split_max, which provides a
"max number of fields" parameter; it behaves similarly to
perl's "split" with a 3rd field.
The existing 2-argument form of strbuf_split is retained for
compatibility and ease-of-use.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Commit a8f3e2219 introduced the strbuf_grow() call to strbuf_setlen() to
make ensure that there was at least one byte available to write the
mandatory trailing NUL, even for previously unallocated strbufs.
Then b315c5c0 added strbuf_slopbuf for the same reason, only globally for
all uses of strbufs.
Thus the strbuf_grow() call can be removed now. This avoids readers of
strbuf.h from mistakenly thinking that strbuf_setlen() can be used to
extend a strbuf.
The following assert() needs to be changed to cope with the fact that
sb->alloc can now be zero, which is OK as long as len is also zero. As
suggested by Junio, use the chance to convert it to a die() with a short
explanatory message. The pattern of 'die("BUG: ...")' is already used in
strbuf.c.
This was the only assert() in strbuf.[ch], so assert.h doesn't have to be
included anymore either.
Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* maint:
contrib/thunderbird-patch-inline: do not require bash to run the script
t8001: check the exit status of the command being tested
strbuf.h: remove a tad stale docs-in-comment and reference api-doc instead
Typos: t/README
Documentation/config.txt: make truth value of numbers more explicit
git-pack-objects.txt: fix grammatical errors
parse-remote: replace unnecessary sed invocation
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Stefan Beller
Junio C Hamano
Tobias Klauser
Jeff King
Michael Haggerty
René Scharfe
Nguyễn Thái Ngọc Duy
Antoine Pelisse
Thomas Rast
René Scharfe