/*------------------------------------------------------------------
* ipcHttpHdrComplete
*
* This checks if HTTP request headers are completely received, i.e.
* if there is an empty line at the end of headers. If so, returns
* total length of the headers (in bytes) otherwise returns 0.
*
* startOffset is necessary because as we read headers piece by piece
* we dont want to check them every time from the very beginning.
*----------------------------------------------------------------*/
RsslInt32 ipcHttpHdrComplete(char *data, RsslInt32 datalen, RsslInt32 startOffset)
{
RsslInt32 i = startOffset, eoflen, slen = 0;
if (datalen == 0) return 0;
while(startOffset > 0 && iseof(data,startOffset,datalen) > 0)
startOffset--;
i = startOffset;
while(i < datalen)
{
eoflen = iseof(data,i,datalen);
if (eoflen == 0)
{
slen++;
i++;
continue;
}
/* we did hit eof, let's see what's here */
if (slen == 0) /* empty line designates end of http headers */
{
return i+eoflen;
}
/* else we just passed yet another line */
i += eoflen;
slen = 0;
}
/* here we are if not yet complete */
return 0;
}
size_t MemFile::write(const void *src, size_t bytes)
{
if(iseof())
return 0;
size_t rem = std::min((size_t)(_size - _pos), bytes);
memcpy((char*)_buf + _pos, src, rem);
return rem;
}
size_t MemFile::read(void *dst, size_t bytes)
{
if(iseof())
return 0;
size_t rem = std::min((size_t)(_size - _pos), bytes);
memcpy(dst, (char*)_buf + _pos, rem);
return rem;
}
unsigned int VFSFileMem::write(const void *src, unsigned int bytes)
{
VFS_GUARD_OPT(this);
if(iseof())
return 0;
unsigned int rem = std::min<unsigned int>((unsigned int)(_size - _pos), bytes);
memcpy((char*)_buf + _pos, src, rem);
return rem;
}
unsigned int VFSFileMem::read(void *dst, unsigned int bytes)
{
VFS_GUARD_OPT(this);
if(iseof())
return 0;
unsigned int rem = std::min<unsigned int>((unsigned int)(_size - _pos), bytes);
memcpy(dst, (char*)_buf + _pos, rem);
return rem;
}
syscall getnum(void)
{
int i = 0, c = 0;
control(CONSOLE, TTY_CTRL_SET_IFLAG, TTY_ECHO, 0);
fprintf(CONSOLE, "? ");
c = getchar();
while (('\n' != c) && ('\r' != c) && (!iseof(c)))
{
if (('0' <= c) && ('9' >= c))
{
i = i * 10 + c - '0';
}
c = getchar();
}
if (EOF == c)
return c;
return i;
}
