Lines Matching full:state
70 /* Reset gzip file state */
71 local void gz_reset(state)
72 gz_statep state;
74 if (state->mode == GZ_READ) { /* for reading ... */
75 state->have = 0; /* no output data available */
76 state->eof = 0; /* not at end of file */
77 state->how = LOOK; /* look for gzip header */
78 state->direct = 1; /* default for empty file */
80 state->seek = 0; /* no seek request pending */
81 gz_error(state, Z_OK, NULL); /* clear error */
82 state->pos = 0; /* no uncompressed data yet */
83 state->strm.avail_in = 0; /* no input data yet */
92 gz_statep state;
95 state = malloc(sizeof(gz_state));
96 if (state == NULL)
98 state->size = 0; /* no buffers allocated yet */
99 state->want = GZBUFSIZE; /* requested buffer size */
100 state->msg = NULL; /* no error message yet */
103 state->mode = GZ_NONE;
104 state->level = Z_DEFAULT_COMPRESSION;
105 state->strategy = Z_DEFAULT_STRATEGY;
108 state->level = *mode - '0';
112 state->mode = GZ_READ;
116 state->mode = GZ_WRITE;
119 state->mode = GZ_APPEND;
123 free(state);
128 state->strategy = Z_FILTERED;
131 state->strategy = Z_HUFFMAN_ONLY;
134 state->strategy = Z_RLE;
137 state->strategy = Z_FIXED;
145 if (state->mode == GZ_NONE) {
146 free(state);
151 state->path = malloc(strlen(path) + 1);
152 if (state->path == NULL) {
153 free(state);
156 strcpy(state->path, path);
159 state->fd = fd != -1 ? fd :
167 (state->mode == GZ_READ ?
170 state->mode == GZ_WRITE ?
174 if (state->fd == -1) {
175 free(state->path);
176 free(state);
179 if (state->mode == GZ_APPEND)
180 state->mode = GZ_WRITE; /* simplify later checks */
183 if (state->mode == GZ_READ) {
184 state->start = LSEEK(state->fd, 0, SEEK_CUR);
185 if (state->start == -1) state->start = 0;
189 gz_reset(state);
192 return (gzFile)state;
232 gz_statep state;
237 state = (gz_statep)file;
238 if (state->mode != GZ_READ && state->mode != GZ_WRITE)
242 if (state->size != 0)
248 state->want = size;
256 gz_statep state;
261 state = (gz_statep)file;
264 if (state->mode != GZ_READ || state->err != Z_OK)
268 if (LSEEK(state->fd, state->start, SEEK_SET) == -1)
270 gz_reset(state);
282 gz_statep state;
287 state = (gz_statep)file;
288 if (state->mode != GZ_READ && state->mode != GZ_WRITE)
292 if (state->err != Z_OK)
301 offset -= state->pos;
302 else if (state->seek)
303 offset += state->skip;
304 state->seek = 0;
307 if (state->mode == GZ_READ && state->how == COPY &&
308 state->pos + offset >= state->raw) {
309 ret = LSEEK(state->fd, offset - state->have, SEEK_CUR);
312 state->have = 0;
313 state->eof = 0;
314 state->seek = 0;
315 gz_error(state, Z_OK, NULL);
316 state->strm.avail_in = 0;
317 state->pos += offset;
318 return state->pos;
323 if (state->mode != GZ_READ) /* writing -- can't go backwards */
325 offset += state->pos;
333 if (state->mode == GZ_READ) {
334 n = GT_OFF(state->have) || (z_off64_t)state->have > offset ?
335 (unsigned)offset : state->have;
336 state->have -= n;
337 state->next += n;
338 state->pos += n;
344 state->seek = 1;
345 state->skip = offset;
347 return state->pos + offset;
366 gz_statep state;
371 state = (gz_statep)file;
372 if (state->mode != GZ_READ && state->mode != GZ_WRITE)
376 return state->pos + (state->seek ? state->skip : 0);
394 gz_statep state;
399 state = (gz_statep)file;
400 if (state->mode != GZ_READ && state->mode != GZ_WRITE)
404 offset = LSEEK(state->fd, 0, SEEK_CUR);
407 if (state->mode == GZ_READ) /* reading */
408 offset -= state->strm.avail_in; /* don't count buffered input */
426 gz_statep state;
431 state = (gz_statep)file;
432 if (state->mode != GZ_READ && state->mode != GZ_WRITE)
435 /* return end-of-file state */
436 return state->mode == GZ_READ ?
437 (state->eof && state->strm.avail_in == 0 && state->have == 0) : 0;
445 gz_statep state;
450 state = (gz_statep)file;
451 if (state->mode != GZ_READ && state->mode != GZ_WRITE)
456 *errnum = state->err;
457 return state->msg == NULL ? "" : state->msg;
464 gz_statep state;
469 state = (gz_statep)file;
470 if (state->mode != GZ_READ && state->mode != GZ_WRITE)
474 if (state->mode == GZ_READ)
475 state->eof = 0;
476 gz_error(state, Z_OK, NULL);
479 /* Create an error message in allocated memory and set state->err and
480 state->msg accordingly. Free any previous error message already there. Do
485 void ZLIB_INTERNAL gz_error(state, err, msg)
486 gz_statep state;
491 if (state->msg != NULL) {
492 if (state->err != Z_MEM_ERROR)
493 free(state->msg);
494 state->msg = NULL;
498 state->err = err;
504 state->msg = (char *)msg;
509 if ((state->msg = malloc(strlen(state->path) + strlen(msg) + 3)) == NULL) {
510 state->err = Z_MEM_ERROR;
511 state->msg = (char *)"out of memory";
514 strcpy(state->msg, state->path);
515 strcat(state->msg, ": ");
516 strcat(state->msg, msg);
