1 /* by Qball
2 *
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation; either version 2 of the License, or
6 * (at your option) any later version.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
16 */
18 #include "ncmpc.h"
20 #ifdef ENABLE_LYRICS_SCREEN
21 #include "easy_download.h"
23 #include <stdio.h>
24 #include <stdlib.h>
25 #include <string.h>
26 #include <glib.h>
28 #include <curl/curl.h>
30 static size_t write_data(void *buffer, size_t size,
31 size_t nmemb, void *data)
32 {
33 easy_download_struct *dld = data;
35 if(dld->data == NULL)
36 {
37 dld->size = 0;
38 }
39 dld->data = g_realloc(dld->data,(gulong)(size*nmemb+dld->size));
41 memset(&(dld->data)[dld->size], '\0', (size*nmemb));
42 memcpy(&(dld->data)[dld->size], buffer, size*nmemb);
44 dld->size += size*nmemb;
45 if(dld->size >= dld->max_size && dld->max_size > 0)
46 {
47 return 0;
48 }
49 return size*nmemb;
50 }
52 int easy_download(char *url,easy_download_struct *dld,
53 curl_progress_callback cb)
54 {
55 CURL *curl = NULL;
56 int res;
57 if(!dld) return 0;
58 easy_download_clean(dld);
59 /* initialize curl */
60 curl = curl_easy_init();
61 if(!curl) return 0;
62 /* set uri */
63 curl_easy_setopt(curl, CURLOPT_URL, url);
64 /* set callback data */
65 curl_easy_setopt(curl, CURLOPT_WRITEDATA, dld);
66 /* set callback function */
67 curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
68 curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0);
69 curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, cb);
70 /* run */
71 res = curl_easy_perform(curl);
72 /* cleanup */
73 curl_easy_cleanup(curl);
74 if(!res)
75 {
76 return 1;
77 }
78 if(dld->data) g_free(dld->data);
79 return 0;
80 }
82 void easy_download_clean(easy_download_struct *dld)
83 {
84 if(dld->data)g_free(dld->data);
85 dld->data = NULL;
86 dld->size = 0;
87 dld->max_size = -1;
88 }
90 #endif