| 190 | static uchar *gzbuf = new uchar[GZMSGBUFSIZE]; // not thread-safe, but nesting is no problem |
| 191 | |
| 192 | void putgzbuf(vector<uchar> &d, vector<uchar> &s) // zips a vector into a stream, stored in another vector; adds a header to simplify decompression |
| 193 | { |
| 194 | int size = s.length(); |
| 195 | if(size < 1 || size > MAXGZMSGSIZE) size = 0; |
| 196 | uLongf gzbufsize = GZMSGBUFSIZE; |
| 197 | if(size && compress2(gzbuf, &gzbufsize, s.getbuf(), size, 9) == Z_OK) |
| 198 | { |
| 199 | if(gzbufsize > (uint)size) |
| 200 | { // use zipped |
| 201 | putuint(d, size); |
| 202 | putuint(d, (int) gzbufsize); |
| 203 | d.put(gzbuf, (int) gzbufsize); |
| 204 | return; |
| 205 | } |
| 206 | } |
| 207 | // use raw because it's smaller or because zipping failed |
| 208 | putuint(d, size); |
| 209 | putuint(d, 0); |
| 210 | if(size) d.put(s.getbuf(), size); |
| 211 | } |
| 212 | |
| 213 | ucharbuf *getgzbuf(ucharbuf &p) // fetch a gzipped buffer; needs to be freed properly later |
| 214 | { |
no test coverage detected