curl/docs/examples
Viktor Szakats c730c8549b
build: make CURL_FORMAT_CURL_OFF_T[U] work with mingw-w64 <=7.0.0
Add tweak for mingw-w64 when building tests/http/client programs to
avoid a bogus `-Wformat` warning when using mingw-w64 v7.0.0 or older.
The warning is bogus because these programs use curl's `printf()`
implementation that is guaranteed to support that format spec.

Add this for both CMake and autotools. (But only CMake is CI tested with
an old toolchain.)

Apply the workaround to `docs/examples`, and fix an example to use
curl's `printf()` with `CURL_FORMAT_CURL_OFF_T`.

Reintroduce curl `printf()` calls into `tests/http/client`, via #14625.
Also restore large number masks to a printf, changed earlier in #14382.

Follow-up to 232302f88a #14382
Ref: https://github.com/curl/curl/pull/14625#issuecomment-2302361737

Closes #14640
2024-08-22 10:45:04 +02:00
..
.checksrc checksrc: ban gmtime/localtime 2020-07-28 23:51:17 +02:00
.gitignore examples: add missing binaries to .gitignore 2024-06-14 13:25:55 +02:00
10-at-a-time.c examples: delete unused includes 2024-05-28 00:27:04 +02:00
adddocsref.pl copyright: update all copyright lines and remove year ranges 2023-01-03 09:19:21 +01:00
address-scope.c examples: fix/silence -Wsign-conversion 2024-05-11 11:11:32 +02:00
altsvc.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
anyauthput.c tidy-up: OS names 2024-08-04 19:17:45 +02:00
cacertinmem.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
certinfo.c copyright: update all copyright lines and remove year ranges 2023-01-03 09:19:21 +01:00
chkspeed.c build: enable missing OpenSSF-recommended warnings, with fixes 2023-12-16 13:12:37 +00:00
CMakeLists.txt build: make CURL_FORMAT_CURL_OFF_T[U] work with mingw-w64 <=7.0.0 2024-08-22 10:45:04 +02:00
connect-to.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
cookie_interface.c examples: delete unused includes 2024-05-28 00:27:04 +02:00
crawler.c example/crawler: make it use a few more options 2023-06-19 09:06:41 +02:00
debug.c tidy-up: misc spelling (bit, ASCII) 2024-08-15 15:30:09 +02:00
default-scheme.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
ephiperfifo.c tidy-up: OS names 2024-08-04 19:17:45 +02:00
evhiperfifo.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
externalsocket.c examples: fix compiling with MSVC 2024-05-26 22:43:04 +02:00
fileupload.c copyright: update all copyright lines and remove year ranges 2023-01-03 09:19:21 +01:00
ftp-wildcard.c examples: fix/silence -Wsign-conversion 2024-05-11 11:11:32 +02:00
ftpget.c build: fix -Wconversion/-Wsign-conversion warnings 2023-12-20 15:38:45 +00:00
ftpgetinfo.c build: make CURL_FORMAT_CURL_OFF_T[U] work with mingw-w64 <=7.0.0 2024-08-22 10:45:04 +02:00
ftpgetresp.c tidy-up: OS names 2024-08-04 19:17:45 +02:00
ftpsget.c build: fix -Wconversion/-Wsign-conversion warnings 2023-12-20 15:38:45 +00:00
ftpupload.c tidy-up: OS names 2024-08-04 19:17:45 +02:00
ftpuploadfrommem.c tidy-up: OS names 2024-08-04 19:17:45 +02:00
ftpuploadresume.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
getinfo.c copyright: update all copyright lines and remove year ranges 2023-01-03 09:19:21 +01:00
getinmemory.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
getredirect.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
getreferrer.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
ghiper.c misc: Fix typos in docs and lib 2024-03-01 09:59:48 +01:00
headerapi.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
hiperfifo.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
href_extractor.c copyright: update all copyright lines and remove year ranges 2023-01-03 09:19:21 +01:00
hsts-preload.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
htmltidy.c copyright: update all copyright lines and remove year ranges 2023-01-03 09:19:21 +01:00
htmltitle.cpp misc: fix spelling mistakes 2023-05-23 10:42:09 +02:00
http2-download.c examples: delete unused includes 2024-05-28 00:27:04 +02:00
http2-pushinmemory.c examples: delete unused includes 2024-05-28 00:27:04 +02:00
http2-serverpush.c examples: delete unused includes 2024-05-28 00:27:04 +02:00
http2-upload.c tidy-up: OS names 2024-08-04 19:17:45 +02:00
http3-present.c copyright: update all copyright lines and remove year ranges 2023-01-03 09:19:21 +01:00
http3.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
http-options.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
http-post.c tidy-up: OS names 2024-08-04 19:17:45 +02:00
httpcustomheader.c copyright: update all copyright lines and remove year ranges 2023-01-03 09:19:21 +01:00
httpput-postfields.c tidy-up: OS names 2024-08-04 19:17:45 +02:00
httpput.c tidy-up: OS names 2024-08-04 19:17:45 +02:00
https.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
imap-append.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
imap-authzid.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
imap-copy.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
imap-create.c copyright: update all copyright lines and remove year ranges 2023-01-03 09:19:21 +01:00
imap-delete.c copyright: update all copyright lines and remove year ranges 2023-01-03 09:19:21 +01:00
imap-examine.c copyright: update all copyright lines and remove year ranges 2023-01-03 09:19:21 +01:00
imap-fetch.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
imap-list.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
imap-lsub.c docs: remove use of the word 'very' 2023-09-07 22:52:07 +02:00
imap-multi.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
imap-noop.c copyright: update all copyright lines and remove year ranges 2023-01-03 09:19:21 +01:00
imap-search.c copyright: update all copyright lines and remove year ranges 2023-01-03 09:19:21 +01:00
imap-ssl.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
imap-store.c copyright: update all copyright lines and remove year ranges 2023-01-03 09:19:21 +01:00
imap-tls.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
interface.c docs/examples/interface.c: show CURLOPT_INTERFACE use 2023-10-30 12:45:34 +01:00
ipv6.c examples/ipv6.c: new example showing IPv6-only internet transfer 2024-01-10 09:33:03 +01:00
keepalive.c tcpkeepalive: add CURLOPT_TCP_KEEPCNT and --keepalive-cnt 2024-06-12 09:31:17 +02:00
localport.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
Makefile.am build: make CURL_FORMAT_CURL_OFF_T[U] work with mingw-w64 <=7.0.0 2024-08-22 10:45:04 +02:00
Makefile.example tidy-up: adjust casing of project names 2024-07-12 13:56:16 +02:00
Makefile.inc examples/range.c: add 2024-01-10 09:33:08 +01:00
Makefile.mk Makefile.mk: drop Windows support 2023-12-16 13:12:22 +00:00
maxconnects.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
multi-app.c examples: delete unused includes 2024-05-28 00:27:04 +02:00
multi-debugcallback.c examples: delete unused includes 2024-05-28 00:27:04 +02:00
multi-double.c examples: delete unused includes 2024-05-28 00:27:04 +02:00
multi-event.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
multi-formadd.c examples: suppress deprecation warnings locally 2024-07-08 17:22:21 +02:00
multi-legacy.c tidy-up: OS names 2024-08-04 19:17:45 +02:00
multi-post.c examples: delete unused includes 2024-05-28 00:27:04 +02:00
multi-single.c examples: delete unused includes 2024-05-28 00:27:04 +02:00
multi-uv.c example/multi-uv: remove the use of globals 2024-07-27 23:09:44 +02:00
multithread.c copyright: update all copyright lines and remove year ranges 2023-01-03 09:19:21 +01:00
netrc.c examples/netrc.c: add 2024-01-10 09:33:06 +01:00
parseurl.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
persistent.c examples: delete unused includes 2024-05-28 00:27:04 +02:00
pop3-authzid.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
pop3-dele.c copyright: update all copyright lines and remove year ranges 2023-01-03 09:19:21 +01:00
pop3-list.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
pop3-multi.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
pop3-noop.c copyright: update all copyright lines and remove year ranges 2023-01-03 09:19:21 +01:00
pop3-retr.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
pop3-ssl.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
pop3-stat.c copyright: update all copyright lines and remove year ranges 2023-01-03 09:19:21 +01:00
pop3-tls.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
pop3-top.c copyright: update all copyright lines and remove year ranges 2023-01-03 09:19:21 +01:00
pop3-uidl.c copyright: update all copyright lines and remove year ranges 2023-01-03 09:19:21 +01:00
post-callback.c tidy-up: OS names 2024-08-04 19:17:45 +02:00
postinmemory.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
postit2-formadd.c examples: suppress deprecation warnings locally 2024-07-08 17:22:21 +02:00
postit2.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
progressfunc.c copyright: update all copyright lines and remove year ranges 2023-01-03 09:19:21 +01:00
protofeats.c docs/examples/protofeats.c: Outputs all protocols and features 2023-04-18 08:10:27 +02:00
range.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
README.md copyright: update all copyright lines and remove year ranges 2023-01-03 09:19:21 +01:00
resolve.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
rtsp-options.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
sendrecv.c examples: fix/silence -Wsign-conversion 2024-05-11 11:11:32 +02:00
sepheaders.c examples: delete unused includes 2024-05-28 00:27:04 +02:00
sessioninfo.c copyright: update all copyright lines and remove year ranges 2023-01-03 09:19:21 +01:00
sftpget.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
sftpuploadresume.c copyright: update all copyright lines and remove year ranges 2023-01-03 09:19:21 +01:00
shared-connection-cache.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
simple.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
simplepost.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
simplessl.c misc: fix typos 2024-04-11 15:44:22 +02:00
smooth-gtk-thread.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
smtp-authzid.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
smtp-expn.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
smtp-mail.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
smtp-mime.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
smtp-multi.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
smtp-ssl.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
smtp-tls.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
smtp-vrfy.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
sslbackend.c docs: use CURLSSLBACKEND_NONE 2023-09-21 14:15:03 +02:00
synctime.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
threaded-ssl.c examples/threaded-ssl: remove locking callback code 2024-06-04 13:00:21 -04:00
unixsocket.c tidy-up: OS names 2024-08-04 19:17:45 +02:00
url2file.c examples: delete unused includes 2024-05-28 00:27:04 +02:00
urlapi.c examples: make use of CURLOPT_(REDIR_|)PROTOCOLS_STR 2023-06-18 11:09:13 +02:00
usercertinmem.c tidy-up: adjust casing of project names 2024-07-12 13:56:16 +02:00
version-check.pl copyright: update all copyright lines and remove year ranges 2023-01-03 09:19:21 +01:00
websocket-cb.c examples: use present tense in comments 2024-02-27 16:19:43 +01:00
websocket.c examples: fix compiling with MSVC 2024-05-26 22:43:04 +02:00
xmlstream.c examples: delete unused includes 2024-05-28 00:27:04 +02:00

libcurl examples

This directory is for libcurl programming examples. They are meant to show some simple steps on how you can build your own application to take full advantage of libcurl.

If you end up with other small but still useful example sources, please mail them for submission in future packages and on the website.

Building

The Makefile.example is an example Makefile that could be used to build these examples. Just edit the file according to your system and requirements first.

Most examples should build fine using a command line like this:

`curl-config --cc --cflags --libs` -o example example.c

Some compilers do not like having the arguments in this order but instead want you do reorganize them like:

`curl-config --cc` -o example example.c `curl-config --cflags --libs`

Please do not use the curl.se site as a test target for your libcurl applications/experiments. Even if some of the examples use that site as a URL at some places, it does not mean that the URLs work or that we expect you to actually torture our website with your tests. Thanks.

Examples

Each example source code file is designed to be and work stand-alone and rather self-explanatory. The examples may at times lack the level of error checks you need in a real world, but that is then only for the sake of readability: to make the code smaller and easier to follow.