Lines Matching defs:gz
266 file gz;
269 gz.name = name;
270 gz.fd = open(name, O_RDWR, 0);
271 if (gz.fd == -1) bye("cannot open ", name);
272 gz.buf = malloc(CHUNK);
273 if (gz.buf == NULL) bye("out of memory", "");
274 gz.size = LGCHUNK;
275 gz.left = 0;
278 gzheader(&gz);
291 lastoff = lseek(gz.fd, 0L, SEEK_CUR) - gz.left;
293 strm->avail_in = gz.left;
294 strm->next_in = gz.next;
300 readmore(&gz);
301 strm->avail_in = gz.left;
302 strm->next_in = gz.next;
331 lastoff = lseek(gz.fd, 0L, SEEK_CUR) - strm->avail_in;
336 gz.left = strm->avail_in;
337 gz.next = strm->next_in;
340 end = lseek(gz.fd, 0L, SEEK_CUR) - gz.left;
343 if (crc != read4(&gz))
346 if ((tot & 0xffffffffUL) != read4(&gz))
350 if (gz.left || readin(&gz))
355 lseek(gz.fd, lastoff - (lastbit != 0), SEEK_SET);
356 if (read(gz.fd, gz.buf, 1) != 1) bye("reading after seek on ", name);
357 *gz.buf = (unsigned char)(*gz.buf ^ (1 << ((8 - lastbit) & 7)));
358 lseek(gz.fd, -1L, SEEK_CUR);
359 if (write(gz.fd, gz.buf, 1) != 1) bye("writing after seek to ", name);
374 lseek(gz.fd, --end, SEEK_SET);
375 if (read(gz.fd, gz.buf, 1) != 1) bye("reading after seek on ", name);
376 deflatePrime(strm, 8 - left, *gz.buf);
378 lseek(gz.fd, end, SEEK_SET);
382 free(gz.buf);
383 return gz.fd;
480 "usage: gzappend [-level] file.gz [ addthis [ andthis ... ]]\n");
