| /*************************************************************************** |
| * _ _ ____ _ |
| * Project ___| | | | _ \| | |
| * / __| | | | |_) | | |
| * | (__| |_| | _ <| |___ |
| * \___|\___/|_| \_\_____| |
| * |
| * Copyright (C) 1998 - 2011, 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 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. |
| * |
| ***************************************************************************/ |
| #include "setup.h" |
| |
| #include <curl/curl.h> |
| |
| #ifdef HAVE_UNISTD_H |
| # include <unistd.h> |
| #endif |
| |
| #define ENABLE_CURLX_PRINTF |
| /* use our own printf() functions */ |
| #include "curlx.h" |
| |
| #include "tool_cfgable.h" |
| #include "tool_cb_rea.h" |
| |
| #include "memdebug.h" /* keep this as LAST include */ |
| |
| /* |
| ** callback for CURLOPT_READFUNCTION |
| */ |
| |
| size_t tool_read_cb(void *buffer, size_t sz, size_t nmemb, void *userdata) |
| { |
| ssize_t rc; |
| struct InStruct *in = userdata; |
| |
| rc = read(in->fd, buffer, sz*nmemb); |
| if(rc < 0) { |
| if(errno == EAGAIN) { |
| errno = 0; |
| in->config->readbusy = TRUE; |
| return CURL_READFUNC_PAUSE; |
| } |
| /* since size_t is unsigned we can't return negative values fine */ |
| rc = 0; |
| } |
| in->config->readbusy = FALSE; |
| return (size_t)rc; |
| } |
| |