Updated: curl, libcurl{4, -devel, -doc}, mingw64-{x86_64, i686}-curl 7.75

Cygwin curl Maintainer Brian.Inglis@SystematicSW.ab.ca
Sat Feb 6 20:39:46 GMT 2021

The following packages have been upgraded in the Cygwin distribution:

* curl			7.75
* libcurl4		7.75
* libcurl-devel		7.75
* libcurl-doc		7.75
* mingw64-x86_64-curl	7.75
* mingw64-i686-curl	7.75

Command line tool and Library supporting transferring files with
FILE, SSL certificates, HTTP POST, HTTP PUT, FTP uploading, HTTP form
based upload, proxies, cookies, user+password authentication (Basic,
Digest, NTLM, Negotiate...), file transfer resume, proxy tunneling and a
busload of other useful tricks.

For more information see the project home page:


As there are multiple components and many changes each release please
see below or read /usr/share/doc/curl/RELEASE-NOTES after installation
for complete details:


curl and libcurl 7.75.0:

Public curl releases:		 197
Command line options:		 237
curl_easy_setopt() options:	 285
Public functions in libcurl:	  85
Contributors:			2322

This release includes the following changes:

o curl: add --create-file-mode [mode] [28]
o curl: add new variables to --write-out [25]
o dns: extend CURLOPT_RESOLVE syntax for adding non-permanent entries [53]
o gopher: implement secure gopher protocol [2]
o http: add Hyper as new optional HTTP backend [24]
o http: introduce AWS HTTP v4 Signature support [26]

This release includes the following known bugs:

o see /usr/share/doc/curl/KNOWN_BUGS (https://curl.se/docs/knownbugs.html)

This release includes the following bugfixes:

o badsymbols.pl: add verbose mode -v [31]
o badsymbols.pl: ignore stand-alone single hash lines [40]
o BUG-BOUNTY: minor language updates [5]
o build: fix djgpp builds [84]
o cleanup: fix empty expression statement has no effect
o cmake: Add an option to disable libidn2 [48]
o cmake: enable gophers correctly in curl-config [10]
o cmdline-opts/gen.pl: return hard on errors [11]
o cmdline-opts/retry.d: mention response code 429 as well [47]
o configure: set -Wextra-semi-stmt for clang with --enable-debug [52]
o connect: defer port selection until connect() time [22]
o connect: mark intentional ignores of setsockopt return values [75]
o connect: on linux, enable reporting of all ICMP errors on UDP sockets [27]
o connect: zero variable on stack to silence valgrind complaint [23]
o cookie: avoid the C1001 internal compiler error with MSVC 14 [36]
o curl.1: fix typo microsft -> microsoft [56]
o curl: fix handling of -q option [39]
o curl: include the file name in --xattr/--remote-time error msgs
o curl: move fprintf outputs to warnf [105]
o Curl_chunker: shrink the struct [104]
o curl_easy_pause.3: add multiplexed pause effects [41]
o CURLOPT_URL.3: remove scheme specific details [12]
o digest_sspi: Show InitializeSecurityContext errors in verbose mode [8]
o docs/examples: adjust prototypes for CURLOPT_READFUNCTION [51]
o docs/URL-SYNTAX: the URL syntax curl accepts and works with [15]
o docs: enable syntax highlighting in several docs files [16]
o docs: fix line length bug in gen.pl [70]
o docs: fix typos in NEW-PROTOCOL.md [102]
o docs: fix wrong documentation in help.d [71]
o docs: remove redundant "better" in --fail help [55]
o doh: allocate state struct on demand [85]
o examples/libtest: add .checksrc to dist [14]
o examples: remove superfluous asterisk uses
o failf: remove newline from formatting strings [35]
o file: don't provide content-length for directories [49]
o getinfo: build with disabled HTTP support
o gitattributes: Set batch files to CRLF line endings on checkout [65]
o h2: do not wait for RECV on paused transfers [43]
o HISTORY: added dates to early history
o http: empty reply connection are not left intact [80]
o http: get CURLOPT_REQUEST_TARGET working with a HTTP proxy [83]
o http: have CURLOPT_FAILONERROR fail after all headers [54]
o http: make providing Proxy-Connection header not cause duplicated headers [92]
o http: show the request as headers even when split-sending [7]
o http_chunks: correct and clarify a comment on hexnumber length [88]
o http_proxy: Fix CONNECT chunked encoding race condition [76]
o httpauth: make multi-request auth work with custom port [45]
o INSTALL: now at 85 operating systems
o INSTALL: update the list known OSes and CPU archs curl has run on [38]
o lib/unit tests: add missing curl_global_cleanup() calls
o lib1564/5: verify that curl_multi_wakeup returns OK
o lib: pass in 'struct Curl_easy *' to most functions [101]
o lib: remove Curl_ prefix from many static functions [66]
o lib: save a bit of space with some structure packing [82]
o libssh2: fix "Value stored to 'readdir_len' is never read"
o libssh2: move data from connection object to transfer object [114]
o libssh: avoid plain free() of libssh-memory [99]
o mime: make sure setting MIMEPOST to NULL resets properly [58]
o misc: assorted typo fixes [57]
o misc: fix "warning: empty expression statement has no effect" [30]
o misc: fix typos [73]
o mk-ca-bundle.pl: deterministic output when using -t [62]
o mqtt: deal with 0 byte reads correctly [4]
o mqtt: handle POST/PUBLISH without a set POSTFIELDSIZE [1]
o multi: set the PRETRANSFER time-stamp when we switch to PERFORM [59]
o multi: skip DONE state if there's no connection left for ftp wildcard
o multi: when erroring in TOOFAST state, act as for PERFORM [9]
o multi_runsingle: bail out early on data->conn == NULL [74]
o ngtcp2: Fix http3 upload stall [106]
o ngtcp2: Fix stack buffer overflow [107]
o ngtcp2: make it build it current master again [21]
o nss: get the run-time version instead of build-time [67]
o openssl: lowercase the hostname before using it for SNI [46]
o OS400: update ccsidcurl.c [20]
o pretransfer: setup the User-Agent header here [60]
o quiche: remove fprintf() leftover
o Revert "CI/github: work-around for brew breakage on macOS" [17]
o runtests: add 'wakeup' as a feature
o runtests: add support for %if [feature] conditions [19]
o runtests: preprocess DISABLED to allow conditionals [93]
o schannel: plug a memory-leak [64]
o schannel_verify: fix safefree call typo [50]
o select: convert Curl_select() to private static function [103]
o socks: use the download buffer instead [86]
o speedcheck: exclude paused transfers [42]
o strerror: skip errnum >= 0 assertion on windows [78]
o test1522: add debug tracing [3]
o test1633: set appropriate name
o test179: use consistent header line endings
o test410: verify HTTPS GET with a 49K request header
o tests/mqttd: extract the client id from the correct offset [13]
o tests: make --libcurl tests only test FTP options if ftp enabled [18]
o tool_doswin: Restore original console settings on CTRL signal [68]
o tool_operate: fix the suppression logic of some error messages [33]
o tool_operate: spellfix a comment
o tooĺ_writeout: fix the -w time output units [6]
o transfer: fix GCC 10 warning with flag '-Wint-in-bool-context' [79]
o travis: build ngtcp2 --with-gnutls [72]
o travis: limit the tests with quiche builds to HTTPS and FTPS only [44]
o travis: restrict the openssl3 job to only run https and ftps tests [34]
o url: if IDNA conversion fails, fallback to Transitional [29]
o urldata: make magic be the first struct field [87]
o urldata: remove 'local_ip' from the connectdata struct [97]
o urldata: remove duplicate 'upkeep_interval_ms' from connectdata [96]
o urldata: remove duplicate port number storage [98]
o urldata: remove the duplicate 'ip_addr_str' field [100]
o urldata: store ip version in a single byte [95]
o vtls: remove md5sum [69]
o warnless: remove curlx_ultosi [108]
o wolfssl: add SECURE_RENEGOTIATION support [63]
o wolfssl: Support wolfSSL builds missing TLS 1.1 [37]

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