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Diffstat (limited to 'Build/source/libs/curl/docs/examples/getinmemory.c')
-rw-r--r-- | Build/source/libs/curl/docs/examples/getinmemory.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/Build/source/libs/curl/docs/examples/getinmemory.c b/Build/source/libs/curl/docs/examples/getinmemory.c new file mode 100644 index 00000000000..8d65a39f88d --- /dev/null +++ b/Build/source/libs/curl/docs/examples/getinmemory.c @@ -0,0 +1,80 @@ +/***************************************************************************** + * _ _ ____ _ + * Project ___| | | | _ \| | + * / __| | | | |_) | | + * | (__| |_| | _ <| |___ + * \___|\___/|_| \_\_____| + * + * $Id: getinmemory.c,v 1.2 2001/05/15 13:04:53 bagder Exp $ + * + * Example source code to show how the callback function can be used to + * download data into a chunk of memory instead of storing it in a file. + * + * This exact source code has not been verified to work. + */ + +/* to make this work under windows, use the win32-functions from the + win32socket.c file as well */ + +#include <stdio.h> + +#include <curl/curl.h> +#include <curl/types.h> +#include <curl/easy.h> + +struct MemoryStruct { + char *memory; + size_t size; +}; + +size_t +WriteMemoryCallback(void *ptr, size_t size, size_t nmemb, void *data) +{ + register int realsize = size * nmemb; + struct MemoryStruct *mem = (struct MemoryStruct *)data; + + mem->memory = (char *)realloc(mem->memory, mem->size + realsize + 1); + if (mem->memory) { + memcpy(&(mem->memory[mem->size]), ptr, realsize); + mem->size += realsize; + mem->memory[mem->size] = 0; + } + return realsize; +} + +int main(int argc, char **argv) +{ + CURL *curl_handle; + + struct MemoryStruct chunk; + + chunk.memory=NULL; /* we expect realloc(NULL, size) to work */ + chunk.size = 0; /* no data at this point */ + + /* init the curl session */ + curl_handle = curl_easy_init(); + + /* specify URL to get */ + curl_easy_setopt(curl_handle, CURLOPT_URL, "http://cool.haxx.se/"); + + /* send all data to this function */ + curl_easy_setopt(curl_handle, CURLOPT_WRITEFUNCTION, WriteMemoryCallback); + + /* we pass our 'chunk' struct to the callback function */ + curl_easy_setopt(curl_handle, CURLOPT_FILE, (void *)&chunk); + + /* get it! */ + curl_easy_perform(curl_handle); + + /* cleanup curl stuff */ + curl_easy_cleanup(curl_handle); + + /* + * Now, our chunk.memory points to a memory block that is chunk.size + * bytes big and contains the remote file. + * + * Do something nice with it! + */ + + return 0; +} |