diff options
Diffstat (limited to 'docs/examples/post-callback.c')
| -rw-r--r-- | docs/examples/post-callback.c | 39 |
1 files changed, 33 insertions, 6 deletions
diff --git a/docs/examples/post-callback.c b/docs/examples/post-callback.c index ae4f4db9..3e1cfb06 100644 --- a/docs/examples/post-callback.c +++ b/docs/examples/post-callback.c @@ -1,14 +1,26 @@ -/***************************************************************************** +/*************************************************************************** * _ _ ____ _ * Project ___| | | | _ \| | * / __| | | | |_) | | * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * + * Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al. * - * An example source code that issues a HTTP POST and we provide the actual - * data through a read callback. + * 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 http://curl.haxx.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. * + ***************************************************************************/ +/* An example source code that issues a HTTP POST and we provide the actual + * data through a read callback. */ #include <stdio.h> #include <string.h> @@ -18,7 +30,7 @@ const char data[]="this is what we post to the silly web server"; struct WriteThis { const char *readptr; - int sizeleft; + long sizeleft; }; static size_t read_callback(void *ptr, size_t size, size_t nmemb, void *userp) @@ -46,8 +58,18 @@ int main(void) struct WriteThis pooh; pooh.readptr = data; - pooh.sizeleft = strlen(data); + pooh.sizeleft = (long)strlen(data); + + /* In windows, this will init the winsock stuff */ + res = curl_global_init(CURL_GLOBAL_DEFAULT); + /* Check for errors */ + if(res != CURLE_OK) { + fprintf(stderr, "curl_global_init() failed: %s\n", + curl_easy_strerror(res)); + return 1; + } + /* get a curl handle */ curl = curl_easy_init(); if(curl) { /* First set the URL that is about to receive our POST. */ @@ -84,7 +106,7 @@ int main(void) #else /* Set the expected POST size. If you want to POST large amounts of data, consider CURLOPT_POSTFIELDSIZE_LARGE */ - curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, (curl_off_t)pooh.sizeleft); + curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, pooh.sizeleft); #endif #ifdef DISABLE_EXPECT @@ -108,9 +130,14 @@ int main(void) /* Perform the request, res will get the return code */ 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); } + curl_global_cleanup(); return 0; } |