int http_parser::collapse_chunk_headers(char* buffer, int size) const
{
if (!chunked_encoding()) return size;
// go through all chunks and compact them
// since we're bottled, and the buffer is our after all
// it's OK to mutate it
char* write_ptr = (char*)buffer;
// the offsets in the array are from the start of the
// buffer, not start of the body, so subtract the size
// of the HTTP header from them
int offset = body_start();
std::vector<std::pair<size_type, size_type> > const& c = chunks();
for (std::vector<std::pair<size_type, size_type> >::const_iterator i = c.begin()
, end(c.end()); i != end; ++i)
{
TORRENT_ASSERT(i->second - i->first < INT_MAX);
TORRENT_ASSERT(i->second - offset <= size);
int len = int(i->second - i->first);
if (i->first - offset + len > size) len = size - int(i->first) + offset;
memmove(write_ptr, buffer + i->first - offset, len);
write_ptr += len;
}
size = write_ptr - buffer;
return size;
}
int main(int argc, char **argv)
{
char *streamfile=NULL;
FILE *stream=NULL;
FILE *content=NULL;
size_t len=1024;
char data[len];
long offset=0;
int bytes=0;
int c=0;
if(argc != 2) usage();
streamfile = argv[1];
if((stream = fopen(streamfile,"r")) == NULL) usage();
if(!chunked_encoding(stream)){
printf("Transfer-Encoding: chunked - not found in ");
printf("\"%s\"\n", streamfile);
exit(0);
}
while(!feof(stream)){
if((bytes=fread(data,1,len,stream)) == 0) break;
for(c=0;c<(bytes-1);c++){
if(data[c] == 0x0D && data[c+1] == 0x0A) {
data[c]='\0';
offset++;
break;
}
offset++;
}
content = disposition(data);
if(content != NULL) break;
fseek(stream,offset,SEEK_SET);
}
offset--;
fseek(stream,offset,SEEK_SET);
while(!feof(stream)){
if((bytes=fread(data,1,len,stream)) == 0) break;
for(c=0;c<(bytes-4);c++){
if(data[c] == 0x0D && data[c+1] == 0x0A &&
data[c+2] == 0x0D && data[c+3] == 0x0A ){
offset+=2;
fseek(stream,offset,SEEK_SET);
extract(stream,content);
fclose(stream);
break;
}
offset++;
}
}
return 0;
}
