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authorDaniel Stenberg <daniel@haxx.se>2020-11-09 08:16:05 +0100
committerDaniel Stenberg <daniel@haxx.se>2020-11-13 09:20:57 +0100
commit71ec4e7d76fed67e9981227963cee28cd25ba039 (patch)
tree0e5b97a60c18de6052439c5baf6ad8b0621bba3f /docs
parent760e854348196d0c62afc7a5b023c62eced45b92 (diff)
downloadcurl-71ec4e7d76fed67e9981227963cee28cd25ba039.tar.gz
httpput-postfields.c: new example doing PUT with POSTFIELDS
Proposed-by: Jeroen Ooms Ref: #6186 Closes #6188
Diffstat (limited to 'docs')
-rw-r--r--docs/examples/Makefile.inc2
-rw-r--r--docs/examples/httpput-postfields.c101
2 files changed, 102 insertions, 1 deletions
diff --git a/docs/examples/Makefile.inc b/docs/examples/Makefile.inc
index 6bffd7353..8b7b11b2c 100644
--- a/docs/examples/Makefile.inc
+++ b/docs/examples/Makefile.inc
@@ -36,7 +36,7 @@ check_PROGRAMS = 10-at-a-time anyauthput cookie_interface debug fileupload \
ftpuploadresume sslbackend postit2-formadd multi-formadd \
shared-connection-cache sftpuploadresume http2-pushinmemory parseurl \
urlapi imap-authzid pop3-authzid smtp-authzid http3 altsvc \
- http3-present multi-poll
+ http3-present multi-poll httpput-postfields
# These examples require external dependencies that may not be commonly
# available on POSIX systems, so don't bother attempting to compile them here.
diff --git a/docs/examples/httpput-postfields.c b/docs/examples/httpput-postfields.c
new file mode 100644
index 000000000..83c2d1f00
--- /dev/null
+++ b/docs/examples/httpput-postfields.c
@@ -0,0 +1,101 @@
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+/* <DESC>
+ * HTTP PUT using CURLOPT_POSTFIELDS
+ * </DESC>
+ */
+#include <stdio.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <curl/curl.h>
+
+static const char olivertwist[]=
+ "Among other public buildings in a certain town, which for many reasons "
+ "it will be prudent to refrain from mentioning, and to which I will assign "
+ "no fictitious name, there is one anciently common to most towns, great or "
+ "small: to wit, a workhouse; and in this workhouse was born; on a day and "
+ "date which I need not trouble myself to repeat, inasmuch as it can be of "
+ "no possible consequence to the reader, in this stage of the business at "
+ "all events; the item of mortality whose name is prefixed to the head of "
+ "this chapter.";
+
+/*
+ * This example shows a HTTP PUT operation that sends a fixed buffer with
+ * CURLOPT_POSTFIELDS to the URL given as an argument.
+ */
+
+int main(int argc, char **argv)
+{
+ CURL *curl;
+ CURLcode res;
+ char *url;
+
+ if(argc < 2)
+ return 1;
+
+ url = argv[1];
+
+ /* In windows, this will init the winsock stuff */
+ curl_global_init(CURL_GLOBAL_ALL);
+
+ /* get a curl handle */
+ curl = curl_easy_init();
+ if(curl) {
+ struct curl_slist *headers = NULL;
+
+ /* default type with postfields is application/x-www-form-urlencoded,
+ change it if you want */
+ headers = curl_slist_append(headers, "Content-Type: literature/classic");
+ curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
+
+ /* pass on content in request body. When CURLOPT_POSTFIELDSIZE isn't used,
+ curl does strlen to get the size. */
+ curl_easy_setopt(curl, CURLOPT_POSTFIELDS, olivertwist);
+
+ /* override the POST implied by CURLOPT_POSTFIELDS
+ *
+ * Warning: CURLOPT_CUSTOMREQUEST is problematic, especially if you want
+ * to follow redirects. Be aware.
+ */
+ curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "PUT");
+
+ /* specify target URL, and note that this URL should include a file
+ name, not only a directory */
+ curl_easy_setopt(curl, CURLOPT_URL, url);
+
+ /* Now run off and do what you've been told! */
+ res = curl_easy_perform(curl);
+ /* Check for errors */
+ if(res != CURLE_OK)
+ fprintf(stderr, "curl_easy_perform() failed: %s\n",
+ curl_easy_strerror(res));
+
+ /* always cleanup */
+ curl_easy_cleanup(curl);
+
+ /* free headers */
+ curl_slist_free_all(headers);
+ }
+
+ curl_global_cleanup();
+ return 0;
+}