static int init_add_plugin(void *obj, int (*init)(struct hFILE_plugin *),
const char *pluginname)
{
struct hFILE_plugin_list *p = malloc (sizeof (struct hFILE_plugin_list));
if (p == NULL) abort();
p->plugin.api_version = 1;
p->plugin.obj = obj;
p->plugin.name = NULL;
p->plugin.destroy = NULL;
int ret = (*init)(&p->plugin);
if (ret != 0) {
hts_log_debug("Initialisation failed for plugin \"%s\": %d", pluginname, ret);
free(p);
return ret;
}
hts_log_debug("Loaded \"%s\"", pluginname);
p->next = plugins, plugins = p;
return 0;
}
static ssize_t multipart_read(hFILE *fpv, void *buffer, size_t nbytes)
{
hFILE_multipart *fp = (hFILE_multipart *) fpv;
size_t n;
open_next:
if (fp->currentfp == NULL) {
if (fp->current < fp->nparts) {
const hfile_part *p = &fp->parts[fp->current];
hts_log_debug("Opening part #%zu of %zu: \"%.120s%s\"",
fp->current+1, fp->nparts, p->url,
(strlen(p->url) > 120)? "..." : "");
fp->currentfp = p->headers?
hopen(p->url, "r:", "httphdr:v", p->headers, NULL)
: hopen(p->url, "r");
if (fp->currentfp == NULL) return -1;
}
else return 0; // No more parts, so we're truly at EOF
}
n = fp->currentfp->mobile?
fp->currentfp->backend->read(fp->currentfp, buffer, nbytes)
: hread(fp->currentfp, buffer, nbytes);
if (n == 0) {
// We're at EOF on this part, so set up the next part
hFILE *prevfp = fp->currentfp;
free_part(&fp->parts[fp->current]);
fp->current++;
fp->currentfp = NULL;
if (hclose(prevfp) < 0) return -1;
goto open_next;
}
return n; // Number of bytes read by (or an error from) fp->currentfp
}
