Subversion Repositories SvarDOS

/*

 * unpacks a http "chunked" transfer into a raw data stream.

 * this file is part of the pkgnet tool from the SvarDOS project.

 *

 * Copyright (C) 2021 Mateusz Viste

 */

#ifndef UNCHUNK_H

#define UNCHUNK_H

struct unchunk_state {

  char partial_hdr[16];  /* a small buffer for storing partial chunk headers, if these are transmitted in separate parts */

  long bytesleft;        /* how many bytes are expected yet in the ongoing chunk */

};

/* transforms a http CHUNKED stream into actual data, returns the amount of

 * raw data to read or -1 on error. st MUST be zeroed before first call. */

int unchunk(unsigned char *buff, int bufflen, struct unchunk_state *st);

#endif