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author | Andy Cedilnik <andy.cedilnik@kitware.com> | 2003-01-07 02:17:48 (GMT) |
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committer | Andy Cedilnik <andy.cedilnik@kitware.com> | 2003-01-07 02:17:48 (GMT) |
commit | 6ecc00601c90fc656eb92cdadf2758adba2816c3 (patch) | |
tree | 294bfc17495039feb8feaadf1fbba660eb4eb353 /Source/CTest/Curl/Testing/getinmemory.c | |
parent | baeba76200afb19cf8ea4e67025c1916ac210b13 (diff) | |
download | CMake-6ecc00601c90fc656eb92cdadf2758adba2816c3.zip CMake-6ecc00601c90fc656eb92cdadf2758adba2816c3.tar.gz CMake-6ecc00601c90fc656eb92cdadf2758adba2816c3.tar.bz2 |
Initial import
Diffstat (limited to 'Source/CTest/Curl/Testing/getinmemory.c')
-rw-r--r-- | Source/CTest/Curl/Testing/getinmemory.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/Source/CTest/Curl/Testing/getinmemory.c b/Source/CTest/Curl/Testing/getinmemory.c new file mode 100644 index 0000000..a8872da --- /dev/null +++ b/Source/CTest/Curl/Testing/getinmemory.c @@ -0,0 +1,83 @@ +/***************************************************************************** + * _ _ ____ _ + * Project ___| | | | _ \| | + * / __| | | | |_) | | + * | (__| |_| | _ <| |___ + * \___|\___/|_| \_\_____| + * + * $Id$ + * + * 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 "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 */ + + curl_global_init(CURL_GLOBAL_DEFAULT); + + /* init the curl session */ + curl_handle = curl_easy_init(); + + /* specify URL to get */ + curl_easy_setopt(curl_handle, CURLOPT_URL, "http://www.cmake.org/HTML/Index.html"); + + /* 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! + */ + + /* For example display it... */ + write(1, chunk.memory, chunk.size); + + return 0; +} |