static int plain_peek_adapter(struct vsf_session* p_sess, char* p_buf, unsigned int len) { (void) p_sess; return vsf_sysutil_recv_peek(VSFTP_COMMAND_FD, p_buf, len); }
void str_netfd_alloc(struct mystr* p_str, int fd, char term, char* p_readbuf, unsigned int maxlen) { int retval; unsigned int bytes_read; unsigned int i; char* p_readpos = p_readbuf; unsigned int left = maxlen; while (1) { if (p_readpos + left != p_readbuf + maxlen) { bug("poor buffer accounting in str_netfd_alloc"); } /* Did we hit the max? */ if (left == 0) { str_empty(p_str); return; } retval = vsf_sysutil_recv_peek(fd, p_readpos, left); if (vsf_sysutil_retval_is_error(retval)) { die("vsf_sysutil_recv_peek"); } else if (retval == 0) { die("vsf_sysutil_recv_peek: no data"); } bytes_read = (unsigned int) retval; /* Search for the terminator */ for (i=0; i < bytes_read; i++) { if (p_readpos[i] == term) { /* Got it! */ retval = vsf_sysutil_read_loop(fd, p_readpos, i + 1); if (vsf_sysutil_retval_is_error(retval) || (unsigned int) retval != i + 1) { die("vsf_sysutil_read_loop"); } if (p_readpos[i] != term) { die("missing terminator in str_netfd_alloc"); } str_alloc_alt_term(p_str, p_readbuf, term); return; } } /* Not found in this read chunk, so consume the data and re-loop */ if (bytes_read > left) { bug("bytes_read > left in str_netfd_alloc"); } left -= bytes_read; retval = vsf_sysutil_read_loop(fd, p_readpos, bytes_read); if (vsf_sysutil_retval_is_error(retval) || (unsigned int) retval != bytes_read) { die("vsf_sysutil_read_loop"); } p_readpos += bytes_read; } /* END: while(1) */ }