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Patrick Monnerat ed0f357f7d
mime: do not perform more than one read in a row
Input buffer filling may delay the data sending if data reads are slow.
To overcome this problem, file and callback data reads do not accumulate
in buffer anymore. All other data (memory data and mime framing) are
considered as fast and still concatenated in buffer.
As this may highly impact performance in terms of data overhead, an early
end of part data check is added to spare a read call.
When encoding a part's data, an encoder may require more bytes than made
available by a single read. In this case, the above rule does not apply
and reads are performed until the encoder is able to deliver some data.

Tests 643, 644, 645, 650 and 654 have been adapted to the output data
changes, with test data size reduced to avoid the boredom of long lists of
1-byte chunks in verification data.
New test 664 checks mimepost using single-byte read callback with encoder.
New test 665 checks the end of part data early detection.

Fixes #4826
Reported-by: MrdUkk on github
2020-03-02 00:00:58 +01:00
.github CIfuzz: switch off 'dry_run' mode 2020-02-28 16:50:43 +01:00
CMake CMake: clean up and improve build procedures 2020-02-29 23:14:16 -05:00
docs docs: fix typo on CURLINFO_RETRY_AFTER - alwaus -> always 2020-02-29 21:14:26 +00:00
include curl.h: define CURL_WIN32 on windows 2020-01-27 13:02:28 +01:00
lib mime: do not perform more than one read in a row 2020-03-02 00:00:58 +01:00
m4 cleanup: fix typos and wording in docs and comments 2020-02-02 18:43:01 +01:00
packages cleanup: fix typos and wording in docs and comments 2020-02-02 18:43:01 +01:00
plan9 plan9: fix installation instructions 2019-08-29 19:24:59 +02:00
projects checksrc.bat: Fix not being able to run script from the main curl directory 2020-02-07 21:51:36 +00:00
scripts contributors: Also include people who contributed to curl-www 2020-02-05 13:54:16 +01:00
src polarssl: Additional removal 2020-03-01 00:28:46 +00:00
tests mime: do not perform more than one read in a row 2020-03-02 00:00:58 +01:00
winbuild winbuild: Document CURL_STATICLIB requirement for static libcurl 2019-12-15 17:31:23 -05:00
.azure-pipelines.yml ci/tests: Update Azure DevOps pipeline job display names 2020-03-01 14:59:03 +01:00
.cirrus.yml cirrus: Add some missing semicolons 2020-02-03 12:27:30 +01:00
.dir-locals.el Add .dir-locals and set c-basic-offset to 2. 2015-12-23 10:16:14 +01:00
.gitattributes .gitattributes: make tabs in indentation a visible error 2018-12-06 20:21:17 +01:00
.gitignore scripts/completion.pl: also generate fish completion file 2019-03-02 11:31:18 +01:00
.lgtm.yml CI: remove duplicate configure flag for LGTM.com 2019-08-31 11:40:09 +02:00
.mailmap RELEASE-NOTES: synced 2020-01-27 09:44:33 +01:00
.travis.yml travis: update non-OpenSSL Linux jobs to Bionic 2020-02-03 14:20:47 +01:00
acinclude.m4 configure: add --with-amissl 2019-03-15 10:22:42 +01:00
appveyor.yml appveyor: publish artifacts on appveyor 2019-10-30 09:41:38 +01:00
buildconf includes: remove curl/curlbuild.h and curl/curlrules.h 2017-06-14 11:07:33 +02:00
buildconf.bat copyrights: update all copyright notices to 2019 on files changed this year 2019-11-02 23:15:56 +01:00
CHANGES CHANGES: spell fix, use correct path to script 2017-02-07 08:22:37 +01:00
CMakeLists.txt CMake: clean up and improve build procedures 2020-02-29 23:14:16 -05:00
configure.ac configure.ac: Disable metalink support if an incompatible SSL/TLS specified 2020-03-01 15:10:25 +00:00
COPYING COPYING: it's 2020! 2020-01-03 15:12:46 +01:00
curl-config.in curl-config.in: remove dependency on bc 2018-10-26 00:06:19 +02:00
GIT-INFO CHANGES.0: removed 2017-02-07 08:20:10 +01:00
libcurl.pc.in URLs: change all http:// URLs to https:// 2016-02-03 00:19:02 +01:00
MacOSX-Framework includes: remove curl/curlbuild.h and curl/curlrules.h 2017-06-14 11:07:33 +02:00
Makefile.am TLS: add BearSSL vtls implementation 2019-11-26 08:32:23 +01:00
Makefile.dist build: remove the Borland specific makefiles 2018-06-02 11:23:40 +02:00
maketgz maketgz: delete .bak files, fix indentation 2018-06-15 23:28:34 +00:00
README README: mention that the docs is in docs/ 2020-01-27 13:06:45 +01:00
README.md travis: remove "coverage", make it "torture" 2019-12-10 13:39:29 +01:00
RELEASE-NOTES RELEASE-NOTES: Corrected the link to issue #4892 2020-02-27 14:24:08 +00:00
SECURITY.md SECURITY.md: created 2019-06-10 10:16:02 +02:00

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Curl is a command-line tool for transferring data specified with URL syntax. Find out how to use curl by reading the curl.1 man page or the MANUAL document. Find out how to install Curl by reading the INSTALL document.

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