Lines Matching refs:state
76 local void gz_reset(gz_statep state) { in gz_reset() argument
77 state.state->x.have = 0; /* no output data available */ in gz_reset()
78 if (state.state->mode == GZ_READ) { /* for reading ... */ in gz_reset()
79 state.state->eof = 0; /* not at end of file */ in gz_reset()
80 state.state->past = 0; /* have not read past end yet */ in gz_reset()
81 state.state->how = LOOK; /* look for gzip header */ in gz_reset()
83 state.state->seek = 0; /* no seek request pending */ in gz_reset()
84 gz_error(state, Z_OK, NULL); /* clear error */ in gz_reset()
85 state.state->x.pos = 0; /* no uncompressed data yet */ in gz_reset()
86 state.state->strm.avail_in = 0; /* no input data yet */ in gz_reset()
91 gz_statep state; in gz_open() local
106 state.state = (gz_state*)malloc(sizeof(gz_state)); in gz_open()
107 if (state.state == NULL) in gz_open()
109 state.state->size = 0; /* no buffers allocated yet */ in gz_open()
110 state.state->want = GZBUFSIZE; /* requested buffer size */ in gz_open()
111 state.state->msg = NULL; /* no error message yet */ in gz_open()
114 state.state->mode = GZ_NONE; in gz_open()
115 state.state->level = Z_DEFAULT_COMPRESSION; in gz_open()
116 state.state->strategy = Z_DEFAULT_STRATEGY; in gz_open()
117 state.state->direct = 0; in gz_open()
120 state.state->level = *mode - '0'; in gz_open()
124 state.state->mode = GZ_READ; in gz_open()
128 state.state->mode = GZ_WRITE; in gz_open()
131 state.state->mode = GZ_APPEND; in gz_open()
135 free(state.state); in gz_open()
150 state.state->strategy = Z_FILTERED; in gz_open()
153 state.state->strategy = Z_HUFFMAN_ONLY; in gz_open()
156 state.state->strategy = Z_RLE; in gz_open()
159 state.state->strategy = Z_FIXED; in gz_open()
162 state.state->direct = 1; in gz_open()
171 if (state.state->mode == GZ_NONE) { in gz_open()
172 free(state.state); in gz_open()
177 if (state.state->mode == GZ_READ) { in gz_open()
178 if (state.state->direct) { in gz_open()
179 free(state.state); in gz_open()
182 state.state->direct = 1; /* for empty file */ in gz_open()
195 state.state->path = (char *)malloc(len + 1); in gz_open()
196 if (state.state->path == NULL) { in gz_open()
197 free(state.state); in gz_open()
203 wcstombs(state.state->path, path, len + 1); in gz_open()
205 *(state.state->path) = 0; in gz_open()
209 (void)snprintf(state.state->path, len + 1, "%s", (const char *)path); in gz_open()
211 strcpy(state.state->path, (const char*)path); in gz_open()
225 (state.state->mode == GZ_READ ? in gz_open()
231 (state.state->mode == GZ_WRITE ? in gz_open()
236 state.state->fd = fd > -1 ? fd : ( in gz_open()
241 if (state.state->fd == -1) { in gz_open()
242 free(state.state->path); in gz_open()
243 free(state.state); in gz_open()
246 if (state.state->mode == GZ_APPEND) { in gz_open()
247 LSEEK(state.state->fd, 0, SEEK_END); /* so gzoffset() is correct */ in gz_open()
248 state.state->mode = GZ_WRITE; /* simplify later checks */ in gz_open()
252 if (state.state->mode == GZ_READ) { in gz_open()
253 state.state->start = LSEEK(state.state->fd, 0, SEEK_CUR); in gz_open()
254 if (state.state->start == -1) state.state->start = 0; in gz_open()
258 gz_reset(state); in gz_open()
261 return state.file; in gz_open()
300 gz_statep state; in gzbuffer() local
305 state.file = file; in gzbuffer()
306 if (state.state->mode != GZ_READ && state.state->mode != GZ_WRITE) in gzbuffer()
310 if (state.state->size != 0) in gzbuffer()
318 state.state->want = size; in gzbuffer()
324 gz_statep state; in gzrewind() local
329 state.file = file; in gzrewind()
332 if (state.state->mode != GZ_READ || in gzrewind()
333 (state.state->err != Z_OK && state.state->err != Z_BUF_ERROR)) in gzrewind()
337 if (LSEEK(state.state->fd, state.state->start, SEEK_SET) == -1) in gzrewind()
339 gz_reset(state); in gzrewind()
347 gz_statep state; in gzseek64() local
352 state.file = file; in gzseek64()
353 if (state.state->mode != GZ_READ && state.state->mode != GZ_WRITE) in gzseek64()
357 if (state.state->err != Z_OK && state.state->err != Z_BUF_ERROR) in gzseek64()
366 offset -= state.state->x.pos; in gzseek64()
367 else if (state.state->seek) in gzseek64()
368 offset += state.state->skip; in gzseek64()
369 state.state->seek = 0; in gzseek64()
372 if (state.state->mode == GZ_READ && state.state->how == COPY && in gzseek64()
373 state.state->x.pos + offset >= 0) { in gzseek64()
374 ret = LSEEK(state.state->fd, offset - state.state->x.have, SEEK_CUR); in gzseek64()
377 state.state->x.have = 0; in gzseek64()
378 state.state->eof = 0; in gzseek64()
379 state.state->past = 0; in gzseek64()
380 state.state->seek = 0; in gzseek64()
381 gz_error(state, Z_OK, NULL); in gzseek64()
382 state.state->strm.avail_in = 0; in gzseek64()
383 state.state->x.pos += offset; in gzseek64()
384 return state.state->x.pos; in gzseek64()
389 if (state.state->mode != GZ_READ) /* writing -- can't go backwards */ in gzseek64()
391 offset += state.state->x.pos; in gzseek64()
399 if (state.state->mode == GZ_READ) { in gzseek64()
400 n = GT_OFF(state.state->x.have) || (z_off64_t)state.state->x.have > offset ? in gzseek64()
401 (unsigned)offset : state.state->x.have; in gzseek64()
402 state.state->x.have -= n; in gzseek64()
403 state.state->x.next += n; in gzseek64()
404 state.state->x.pos += n; in gzseek64()
410 state.state->seek = 1; in gzseek64()
411 state.state->skip = offset; in gzseek64()
413 return state.state->x.pos + offset; in gzseek64()
426 gz_statep state; in gztell64() local
431 state.file = file; in gztell64()
432 if (state.state->mode != GZ_READ && state.state->mode != GZ_WRITE) in gztell64()
436 return state.state->x.pos + (state.state->seek ? state.state->skip : 0); in gztell64()
450 gz_statep state; in gzoffset64() local
455 state.file = file; in gzoffset64()
456 if (state.state->mode != GZ_READ && state.state->mode != GZ_WRITE) in gzoffset64()
460 offset = LSEEK(state.state->fd, 0, SEEK_CUR); in gzoffset64()
463 if (state.state->mode == GZ_READ) /* reading */ in gzoffset64()
464 offset -= state.state->strm.avail_in; /* don't count buffered input */ in gzoffset64()
478 gz_statep state; in gzeof() local
483 state.file = file; in gzeof()
484 if (state.state->mode != GZ_READ && state.state->mode != GZ_WRITE) in gzeof()
488 return state.state->mode == GZ_READ ? state.state->past : 0; in gzeof()
493 gz_statep state; in gzerror() local
498 state.file = file; in gzerror()
499 if (state.state->mode != GZ_READ && state.state->mode != GZ_WRITE) in gzerror()
504 *errnum = state.state->err; in gzerror()
505 return state.state->err == Z_MEM_ERROR ? "out of memory" : in gzerror()
506 (state.state->msg == NULL ? "" : state.state->msg); in gzerror()
511 gz_statep state; in gzclearerr() local
516 state.file = file; in gzclearerr()
517 if (state.state->mode != GZ_READ && state.state->mode != GZ_WRITE) in gzclearerr()
521 if (state.state->mode == GZ_READ) { in gzclearerr()
522 state.state->eof = 0; in gzclearerr()
523 state.state->past = 0; in gzclearerr()
525 gz_error(state, Z_OK, NULL); in gzclearerr()
534 void ZLIB_INTERNAL gz_error(gz_statep state, int err, const char *msg) { in gz_error() argument
536 if (state.state->msg != NULL) { in gz_error()
537 if (state.state->err != Z_MEM_ERROR) in gz_error()
538 free(state.state->msg); in gz_error()
539 state.state->msg = NULL; in gz_error()
544 state.state->x.have = 0; in gz_error()
547 state.state->err = err; in gz_error()
556 if ((state.state->msg = (char *)malloc(strlen(state.state->path) + strlen(msg) + 3)) == in gz_error()
558 state.state->err = Z_MEM_ERROR; in gz_error()
562 (void)snprintf(state.state->msg, strlen(state.state->path) + strlen(msg) + 3, in gz_error()
563 "%s%s%s", state.state->path, ": ", msg); in gz_error()
565 strcpy(state.state->msg, state.state->path); in gz_error()
566 strcat(state.state->msg, ": "); in gz_error()
567 strcat(state.state->msg, msg); in gz_error()