int vmbuf_inflate2(struct vmbuf *inbuf, struct vmbuf *outbuf) {
z_stream strm;
_init_alloc(&strm);
if (Z_OK != inflateInit2(&strm, 15+16))
return -1;
for (;;)
{
strm.next_in = (uint8_t *)vmbuf_rloc(inbuf);
strm.avail_in = vmbuf_ravail(inbuf);
if (0 == strm.avail_in)
break;
vmbuf_resize_if_less(outbuf, strm.avail_in << 1);
strm.next_out = (uint8_t *)vmbuf_wloc(outbuf);
strm.avail_out = vmbuf_wavail(outbuf);
int res = inflate(&strm, Z_NO_FLUSH);
vmbuf_wseek(outbuf, vmbuf_wavail(outbuf) - strm.avail_out);
if (res == Z_STREAM_END)
break;
if (Z_OK != res)
return inflateEnd(&strm), -1;
vmbuf_rseek(inbuf, vmbuf_ravail(inbuf) - strm.avail_in);
}
inflateEnd(&strm);
return 0;
}
/*
* inline
*/
_RIBS_INLINE_ int http_uri_encode(const char *in, struct vmbuf *out) {
static uint8_t bits[] = {
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x9B, 0x00, 0xFC,
0x01, 0x00, 0x00, 0x78, 0x01, 0x00, 0x00, 0xF8,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
};
static char hex_chars[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
'A', 'B', 'C', 'D', 'E', 'F'
};
const uint8_t *inbuf = (const uint8_t *)in;
vmbuf_resize_if_less(out, vmbuf_wlocpos(out)+(strlen(in)*3)+1);
uint8_t *outbuf = (uint8_t *)vmbuf_wloc(out);
if (outbuf == NULL) {
return -1;
}
for ( ; *inbuf; ++inbuf)
{
register uint8_t c = *inbuf;
if (c == ' ')
{
*outbuf++ = '+';
} else if ((bits[c >> 3] & (1 << (c & 7))) > 0)
{
*outbuf++ = '%';
*outbuf++ = hex_chars[c >> 4];
*outbuf++ = hex_chars[c & 15];
}
else
*outbuf++ = c;
}
int vmbuf_inflate_ptr(void *inbuf, size_t inbuf_size, struct vmbuf *outbuf) {
z_stream strm;
_init_alloc(&strm);
if (Z_OK != inflateInit2(&strm, 15+16))
return -1;
strm.next_in = inbuf;
strm.avail_in = inbuf_size;
for (;0 < strm.avail_in;)
{
if (0 > vmbuf_resize_if_less(outbuf, strm.avail_in << 1))
return inflateEnd(&strm), -1;
strm.next_out = (uint8_t *)vmbuf_wloc(outbuf);
strm.avail_out = vmbuf_wavail(outbuf);
int res = inflate(&strm, Z_NO_FLUSH);
vmbuf_wseek(outbuf, vmbuf_wavail(outbuf) - strm.avail_out);
if (res == Z_STREAM_END)
return inflateEnd(&strm), strm.avail_in == 0 ? 0 : -1; /* return error if inbuf has extra data */
if (Z_OK != res)
return inflateEnd(&strm), -1;
}
inflateEnd(&strm);
return -1; /* if we reached here, we have partial outbuf */
}
