*have = 0;
do {
- ret = read(state->fd, buf + *have, len - *have);
+ ret = read(state.state->fd, buf + *have, len - *have);
if (ret <= 0)
break;
*have += ret;
return -1;
}
if (ret == 0)
- state->eof = 1;
+ state.state->eof = 1;
return 0;
}
gz_statep state;
{
unsigned got;
- z_streamp strm = &(state->strm);
+ z_streamp strm = &(state.state->strm);
- if (state->err != Z_OK && state->err != Z_BUF_ERROR)
+ if (state.state->err != Z_OK && state.state->err != Z_BUF_ERROR)
return -1;
- if (state->eof == 0) {
+ if (state.state->eof == 0) {
if (strm->avail_in) { /* copy what's there to the start */
- unsigned char *p = state->in;
+ unsigned char *p = state.state->in;
unsigned const char *q = strm->next_in;
unsigned n = strm->avail_in;
do {
*p++ = *q++;
} while (--n);
}
- if (gz_load(state, state->in + strm->avail_in,
- state->size - strm->avail_in, &got) == -1)
+ if (gz_load(state, state.state->in + strm->avail_in,
+ state.state->size - strm->avail_in, &got) == -1)
return -1;
strm->avail_in += got;
- strm->next_in = state->in;
+ strm->next_in = state.state->in;
}
return 0;
}
local int gz_look(state)
gz_statep state;
{
- z_streamp strm = &(state->strm);
+ z_streamp strm = &(state.state->strm);
/* allocate read buffers and inflate memory */
- if (state->size == 0) {
+ if (state.state->size == 0) {
/* allocate buffers */
- state->in = (unsigned char *)malloc(state->want);
- state->out = (unsigned char *)malloc(state->want << 1);
- if (state->in == NULL || state->out == NULL) {
- if (state->out != NULL)
- free(state->out);
- if (state->in != NULL)
- free(state->in);
+ state.state->in = (unsigned char *)malloc(state.state->want);
+ state.state->out = (unsigned char *)malloc(state.state->want << 1);
+ if (state.state->in == NULL || state.state->out == NULL) {
+ if (state.state->out != NULL)
+ free(state.state->out);
+ if (state.state->in != NULL)
+ free(state.state->in);
gz_error(state, Z_MEM_ERROR, "out of memory");
return -1;
}
- state->size = state->want;
+ state.state->size = state.state->want;
/* allocate inflate memory */
- state->strm.zalloc = Z_NULL;
- state->strm.zfree = Z_NULL;
- state->strm.opaque = Z_NULL;
- state->strm.avail_in = 0;
- state->strm.next_in = Z_NULL;
- if (inflateInit2(&(state->strm), 15 + 16) != Z_OK) { /* gunzip */
- free(state->out);
- free(state->in);
- state->size = 0;
+ state.state->strm.zalloc = Z_NULL;
+ state.state->strm.zfree = Z_NULL;
+ state.state->strm.opaque = Z_NULL;
+ state.state->strm.avail_in = 0;
+ state.state->strm.next_in = Z_NULL;
+ if (inflateInit2(&(state.state->strm), 15 + 16) != Z_OK) { /* gunzip */
+ free(state.state->out);
+ free(state.state->in);
+ state.state->size = 0;
gz_error(state, Z_MEM_ERROR, "out of memory");
return -1;
}
((strm->next_in[0] == 31 && strm->next_in[1] == 139)
|| (strm->next_in[0] == 40 && strm->next_in[1] == 181))) { // zstd
inflateReset(strm);
- state->how = GZIP;
- state->direct = 0;
+ state.state->how = GZIP;
+ state.state->direct = 0;
return 0;
}
/* no gzip header -- if we were decoding gzip before, then this is trailing
garbage. Ignore the trailing garbage and finish. */
- if (state->direct == 0) {
+ if (state.state->direct == 0) {
strm->avail_in = 0;
- state->eof = 1;
- state->x.have = 0;
+ state.state->eof = 1;
+ state.state->x.have = 0;
return 0;
}
/* doing raw i/o, copy any leftover input to output -- this assumes that
the output buffer is larger than the input buffer, which also assures
space for gzungetc() */
- state->x.next = state->out;
+ state.state->x.next = state.state->out;
if (strm->avail_in) {
- memcpy(state->x.next, strm->next_in, strm->avail_in);
- state->x.have = strm->avail_in;
+ memcpy(state.state->x.next, strm->next_in, strm->avail_in);
+ state.state->x.have = strm->avail_in;
strm->avail_in = 0;
}
- state->how = COPY;
- state->direct = 1;
+ state.state->how = COPY;
+ state.state->direct = 1;
return 0;
}
{
int ret = Z_OK;
unsigned had;
- z_streamp strm = &(state->strm);
+ z_streamp strm = &(state.state->strm);
/* fill output buffer up to end of deflate stream */
had = strm->avail_out;
} while (strm->avail_out && ret != Z_STREAM_END);
/* update available output */
- state->x.have = had - strm->avail_out;
- state->x.next = strm->next_out - state->x.have;
+ state.state->x.have = had - strm->avail_out;
+ state.state->x.next = strm->next_out - state.state->x.have;
/* if the gzip stream completed successfully, look for another */
if (ret == Z_STREAM_END)
- state->how = LOOK;
+ state.state->how = LOOK;
/* good decompression */
return 0;
local int gz_fetch(state)
gz_statep state;
{
- z_streamp strm = &(state->strm);
+ z_streamp strm = &(state.state->strm);
do {
- switch(state->how) {
+ switch(state.state->how) {
case LOOK: /* -> LOOK, COPY (only if never GZIP), or GZIP */
if (gz_look(state) == -1)
return -1;
- if (state->how == LOOK)
+ if (state.state->how == LOOK)
return 0;
break;
case COPY: /* -> COPY */
- if (gz_load(state, state->out, state->size << 1, &(state->x.have))
+ if (gz_load(state, state.state->out, state.state->size << 1, &(state.state->x.have))
== -1)
return -1;
- state->x.next = state->out;
+ state.state->x.next = state.state->out;
return 0;
case GZIP: /* -> GZIP or LOOK (if end of gzip stream) */
- strm->avail_out = state->size << 1;
- strm->next_out = state->out;
+ strm->avail_out = state.state->size << 1;
+ strm->next_out = state.state->out;
if (gz_decomp(state) == -1)
return -1;
}
- } while (state->x.have == 0 && (!state->eof || strm->avail_in));
+ } while (state.state->x.have == 0 && (!state.state->eof || strm->avail_in));
return 0;
}
/* skip over len bytes or reach end-of-file, whichever comes first */
while (len)
/* skip over whatever is in output buffer */
- if (state->x.have) {
- n = GT_OFF(state->x.have) || (z_off64_t)state->x.have > len ?
- (unsigned)len : state->x.have;
- state->x.have -= n;
- state->x.next += n;
- state->x.pos += n;
+ if (state.state->x.have) {
+ n = GT_OFF(state.state->x.have) || (z_off64_t)state.state->x.have > len ?
+ (unsigned)len : state.state->x.have;
+ state.state->x.have -= n;
+ state.state->x.next += n;
+ state.state->x.pos += n;
len -= n;
}
/* output buffer empty -- return if we're at the end of the input */
- else if (state->eof && state->strm.avail_in == 0)
+ else if (state.state->eof && state.state->strm.avail_in == 0)
break;
/* need more data to skip -- load up output buffer */
if (file == NULL)
return -1;
state = (gz_statep)file;
- strm = &(state->strm);
+ strm = &(state.state->strm);
/* check that we're reading and that there's no (serious) error */
- if (state->mode != GZ_READ ||
- (state->err != Z_OK && state->err != Z_BUF_ERROR))
+ if (state.state->mode != GZ_READ ||
+ (state.state->err != Z_OK && state.state->err != Z_BUF_ERROR))
return -1;
/* since an int is returned, make sure len fits in one, otherwise return
return 0;
/* process a skip request */
- if (state->seek) {
- state->seek = 0;
- if (gz_skip(state, state->skip) == -1)
+ if (state.state->seek) {
+ state.state->seek = 0;
+ if (gz_skip(state, state.state->skip) == -1)
return -1;
}
got = 0;
do {
/* first just try copying data from the output buffer */
- if (state->x.have) {
- n = state->x.have > len ? len : state->x.have;
- memcpy(buf, state->x.next, n);
- state->x.next += n;
- state->x.have -= n;
+ if (state.state->x.have) {
+ n = state.state->x.have > len ? len : state.state->x.have;
+ memcpy(buf, state.state->x.next, n);
+ state.state->x.next += n;
+ state.state->x.have -= n;
}
/* output buffer empty -- return if we're at the end of the input */
- else if (state->eof && strm->avail_in == 0) {
- state->past = 1; /* tried to read past end */
+ else if (state.state->eof && strm->avail_in == 0) {
+ state.state->past = 1; /* tried to read past end */
break;
}
/* need output data -- for small len or new stream load up our output
buffer */
- else if (state->how == LOOK || len < (state->size << 1)) {
+ else if (state.state->how == LOOK || len < (state.state->size << 1)) {
/* get more output, looking for header if required */
if (gz_fetch(state) == -1)
return -1;
}
/* large len -- read directly into user buffer */
- else if (state->how == COPY) { /* read directly */
+ else if (state.state->how == COPY) { /* read directly */
if (gz_load(state, (unsigned char *)buf, len, &n) == -1)
return -1;
}
strm->next_out = (unsigned char *)buf;
if (gz_decomp(state) == -1)
return -1;
- n = state->x.have;
- state->x.have = 0;
+ n = state.state->x.have;
+ state.state->x.have = 0;
}
/* update progress */
len -= n;
buf = (char *)buf + n;
got += n;
- state->x.pos += n;
+ state.state->x.pos += n;
} while (len);
/* return number of bytes read into user buffer (will fit in int) */
state = (gz_statep)file;
/* check that we're reading and that there's no (serious) error */
- if (state->mode != GZ_READ ||
- (state->err != Z_OK && state->err != Z_BUF_ERROR))
+ if (state.state->mode != GZ_READ ||
+ (state.state->err != Z_OK && state.state->err != Z_BUF_ERROR))
return -1;
/* try output buffer (no need to check for skip request) */
- if (state->x.have) {
- state->x.have--;
- state->x.pos++;
- return *(state->x.next)++;
+ if (state.state->x.have) {
+ state.state->x.have--;
+ state.state->x.pos++;
+ return *(state.state->x.next)++;
}
/* nothing there -- try gzread() */
state = (gz_statep)file;
/* check that we're reading and that there's no (serious) error */
- if (state->mode != GZ_READ ||
- (state->err != Z_OK && state->err != Z_BUF_ERROR))
+ if (state.state->mode != GZ_READ ||
+ (state.state->err != Z_OK && state.state->err != Z_BUF_ERROR))
return -1;
/* process a skip request */
- if (state->seek) {
- state->seek = 0;
- if (gz_skip(state, state->skip) == -1)
+ if (state.state->seek) {
+ state.state->seek = 0;
+ if (gz_skip(state, state.state->skip) == -1)
return -1;
}
return -1;
/* if output buffer empty, put byte at end (allows more pushing) */
- if (state->x.have == 0) {
- state->x.have = 1;
- state->x.next = state->out + (state->size << 1) - 1;
- state->x.next[0] = c;
- state->x.pos--;
- state->past = 0;
+ if (state.state->x.have == 0) {
+ state.state->x.have = 1;
+ state.state->x.next = state.state->out + (state.state->size << 1) - 1;
+ state.state->x.next[0] = c;
+ state.state->x.pos--;
+ state.state->past = 0;
return c;
}
/* if no room, give up (must have already done a gzungetc()) */
- if (state->x.have == (state->size << 1)) {
+ if (state.state->x.have == (state.state->size << 1)) {
gz_error(state, Z_DATA_ERROR, "out of room to push characters");
return -1;
}
/* slide output data if needed and insert byte before existing data */
- if (state->x.next == state->out) {
- unsigned char *src = state->out + state->x.have;
- unsigned char *dest = state->out + (state->size << 1);
- while (src > state->out)
+ if (state.state->x.next == state.state->out) {
+ unsigned char *src = state.state->out + state.state->x.have;
+ unsigned char *dest = state.state->out + (state.state->size << 1);
+ while (src > state.state->out)
*--dest = *--src;
- state->x.next = dest;
+ state.state->x.next = dest;
}
- state->x.have++;
- state->x.next--;
- state->x.next[0] = c;
- state->x.pos--;
- state->past = 0;
+ state.state->x.have++;
+ state.state->x.next--;
+ state.state->x.next[0] = c;
+ state.state->x.pos--;
+ state.state->past = 0;
return c;
}
state = (gz_statep)file;
/* check that we're reading and that there's no (serious) error */
- if (state->mode != GZ_READ ||
- (state->err != Z_OK && state->err != Z_BUF_ERROR))
+ if (state.state->mode != GZ_READ ||
+ (state.state->err != Z_OK && state.state->err != Z_BUF_ERROR))
return NULL;
/* process a skip request */
- if (state->seek) {
- state->seek = 0;
- if (gz_skip(state, state->skip) == -1)
+ if (state.state->seek) {
+ state.state->seek = 0;
+ if (gz_skip(state, state.state->skip) == -1)
return NULL;
}
left = (unsigned)len - 1;
if (left) do {
/* assure that something is in the output buffer */
- if (state->x.have == 0 && gz_fetch(state) == -1)
+ if (state.state->x.have == 0 && gz_fetch(state) == -1)
return NULL; /* error */
- if (state->x.have == 0) { /* end of file */
- state->past = 1; /* read past end */
+ if (state.state->x.have == 0) { /* end of file */
+ state.state->past = 1; /* read past end */
break; /* return what we have */
}
/* look for end-of-line in current output buffer */
- n = state->x.have > left ? left : state->x.have;
- eol = (unsigned char *)memchr(state->x.next, '\n', n);
+ n = state.state->x.have > left ? left : state.state->x.have;
+ eol = (unsigned char *)memchr(state.state->x.next, '\n', n);
if (eol != NULL)
- n = (unsigned)(eol - state->x.next) + 1;
+ n = (unsigned)(eol - state.state->x.next) + 1;
/* copy through end-of-line, or remainder if not found */
- memcpy(buf, state->x.next, n);
- state->x.have -= n;
- state->x.next += n;
- state->x.pos += n;
+ memcpy(buf, state.state->x.next, n);
+ state.state->x.have -= n;
+ state.state->x.next += n;
+ state.state->x.pos += n;
left -= n;
buf += n;
} while (left && eol == NULL);
/* if the state is not known, but we can find out, then do so (this is
mainly for right after a gzopen() or gzdopen()) */
- if (state->mode == GZ_READ && state->how == LOOK && state->x.have == 0)
+ if (state.state->mode == GZ_READ && state.state->how == LOOK && state.state->x.have == 0)
(void)gz_look(state);
/* return 1 if transparent, 0 if processing a gzip stream */
- return state->direct;
+ return state.state->direct;
}
/* -- see zlib.h -- */
state = (gz_statep)file;
/* check that we're reading */
- if (state->mode != GZ_READ)
+ if (state.state->mode != GZ_READ)
return Z_STREAM_ERROR;
/* free memory and close file */
- if (state->size) {
- inflateEnd(&(state->strm));
- free(state->out);
- free(state->in);
+ if (state.state->size) {
+ inflateEnd(&(state.state->strm));
+ free(state.state->out);
+ free(state.state->in);
}
- err = state->err == Z_BUF_ERROR ? Z_BUF_ERROR : Z_OK;
+ err = state.state->err == Z_BUF_ERROR ? Z_BUF_ERROR : Z_OK;
gz_error(state, Z_OK, NULL);
- free(state->path);
- ret = close(state->fd);
- free(state);
+ free(state.state->path);
+ ret = close(state.state->fd);
+ free(state.state);
return ret ? Z_ERRNO : err;
}
gz_statep state;
{
int ret;
- z_streamp strm = &(state->strm);
+ z_streamp strm = &(state.state->strm);
/* allocate input buffer */
- state->in = (unsigned char *)malloc(state->want);
- if (state->in == NULL) {
+ state.state->in = (unsigned char *)malloc(state.state->want);
+ if (state.state->in == NULL) {
gz_error(state, Z_MEM_ERROR, "out of memory");
return -1;
}
/* only need output buffer and deflate state if compressing */
- if (!state->direct) {
+ if (!state.state->direct) {
/* allocate output buffer */
- state->out = (unsigned char *)malloc(state->want);
- if (state->out == NULL) {
- free(state->in);
+ state.state->out = (unsigned char *)malloc(state.state->want);
+ if (state.state->out == NULL) {
+ free(state.state->in);
gz_error(state, Z_MEM_ERROR, "out of memory");
return -1;
}
strm->zalloc = Z_NULL;
strm->zfree = Z_NULL;
strm->opaque = Z_NULL;
- ret = deflateInit2(strm, state->level, Z_DEFLATED,
- MAX_WBITS + 16, DEF_MEM_LEVEL, state->strategy);
+ ret = deflateInit2(strm, state.state->level, Z_DEFLATED,
+ MAX_WBITS + 16, DEF_MEM_LEVEL, state.state->strategy);
if (ret != Z_OK) {
- free(state->out);
- free(state->in);
+ free(state.state->out);
+ free(state.state->in);
gz_error(state, Z_MEM_ERROR, "out of memory");
return -1;
}
}
/* mark state as initialized */
- state->size = state->want;
+ state.state->size = state.state->want;
/* initialize write buffer if compressing */
- if (!state->direct) {
- strm->avail_out = state->size;
- strm->next_out = state->out;
- state->x.next = strm->next_out;
+ if (!state.state->direct) {
+ strm->avail_out = state.state->size;
+ strm->next_out = state.state->out;
+ state.state->x.next = strm->next_out;
}
return 0;
}
{
int ret, got;
unsigned have;
- z_streamp strm = &(state->strm);
+ z_streamp strm = &(state.state->strm);
/* allocate memory if this is the first time through */
- if (state->size == 0 && gz_init(state) == -1)
+ if (state.state->size == 0 && gz_init(state) == -1)
return -1;
/* write directly if requested */
- if (state->direct) {
- got = write(state->fd, strm->next_in, strm->avail_in);
+ if (state.state->direct) {
+ got = write(state.state->fd, strm->next_in, strm->avail_in);
if (got < 0 || (unsigned)got != strm->avail_in) {
gz_error(state, Z_ERRNO, zstrerror());
return -1;
doing Z_FINISH then don't write until we get to Z_STREAM_END */
if (strm->avail_out == 0 || (flush != Z_NO_FLUSH &&
(flush != Z_FINISH || ret == Z_STREAM_END))) {
- have = (unsigned)(strm->next_out - state->x.next);
- if (have && ((got = write(state->fd, state->x.next, have)) < 0 ||
+ have = (unsigned)(strm->next_out - state.state->x.next);
+ if (have && ((got = write(state.state->fd, state.state->x.next, have)) < 0 ||
(unsigned)got != have)) {
gz_error(state, Z_ERRNO, zstrerror());
return -1;
}
if (strm->avail_out == 0) {
- strm->avail_out = state->size;
- strm->next_out = state->out;
+ strm->avail_out = state.state->size;
+ strm->next_out = state.state->out;
}
- state->x.next = strm->next_out;
+ state.state->x.next = strm->next_out;
}
/* compress */
{
int first;
unsigned n;
- z_streamp strm = &(state->strm);
+ z_streamp strm = &(state.state->strm);
/* consume whatever's left in the input buffer */
if (strm->avail_in && gz_comp(state, Z_NO_FLUSH) == -1)
/* compress len zeros (len guaranteed > 0) */
first = 1;
while (len) {
- n = GT_OFF(state->size) || (z_off64_t)state->size > len ?
- (unsigned)len : state->size;
+ n = GT_OFF(state.state->size) || (z_off64_t)state.state->size > len ?
+ (unsigned)len : state.state->size;
if (first) {
- memset(state->in, 0, n);
+ memset(state.state->in, 0, n);
first = 0;
}
strm->avail_in = n;
- strm->next_in = state->in;
- state->x.pos += n;
+ strm->next_in = state.state->in;
+ state.state->x.pos += n;
if (gz_comp(state, Z_NO_FLUSH) == -1)
return -1;
len -= n;
if (file == NULL)
return 0;
state = (gz_statep)file;
- strm = &(state->strm);
+ strm = &(state.state->strm);
/* check that we're writing and that there's no error */
- if (state->mode != GZ_WRITE || state->err != Z_OK)
+ if (state.state->mode != GZ_WRITE || state.state->err != Z_OK)
return 0;
/* since an int is returned, make sure len fits in one, otherwise return
return 0;
/* allocate memory if this is the first time through */
- if (state->size == 0 && gz_init(state) == -1)
+ if (state.state->size == 0 && gz_init(state) == -1)
return 0;
/* check for seek request */
- if (state->seek) {
- state->seek = 0;
- if (gz_zero(state, state->skip) == -1)
+ if (state.state->seek) {
+ state.state->seek = 0;
+ if (gz_zero(state, state.state->skip) == -1)
return 0;
}
/* for small len, copy to input buffer, otherwise compress directly */
- if (len < state->size) {
+ if (len < state.state->size) {
/* copy to input buffer, compress when full */
do {
unsigned have, copy;
if (strm->avail_in == 0)
- strm->next_in = state->in;
- have = (unsigned)((strm->next_in + strm->avail_in) - state->in);
- copy = state->size - have;
+ strm->next_in = state.state->in;
+ have = (unsigned)((strm->next_in + strm->avail_in) - state.state->in);
+ copy = state.state->size - have;
if (copy > len)
copy = len;
- memcpy(state->in + have, buf, copy);
+ memcpy(state.state->in + have, buf, copy);
strm->avail_in += copy;
- state->x.pos += copy;
+ state.state->x.pos += copy;
buf = (const char *)buf + copy;
len -= copy;
if (len && gz_comp(state, Z_NO_FLUSH) == -1)
/* directly compress user buffer to file */
strm->avail_in = len;
strm->next_in = (z_const Bytef *)buf;
- state->x.pos += len;
+ state.state->x.pos += len;
if (gz_comp(state, Z_NO_FLUSH) == -1)
return 0;
}
if (file == NULL)
return -1;
state = (gz_statep)file;
- strm = &(state->strm);
+ strm = &(state.state->strm);
/* check that we're writing and that there's no error */
- if (state->mode != GZ_WRITE || state->err != Z_OK)
+ if (state.state->mode != GZ_WRITE || state.state->err != Z_OK)
return -1;
/* check for seek request */
- if (state->seek) {
- state->seek = 0;
- if (gz_zero(state, state->skip) == -1)
+ if (state.state->seek) {
+ state.state->seek = 0;
+ if (gz_zero(state, state.state->skip) == -1)
return -1;
}
/* try writing to input buffer for speed (state->size == 0 if buffer not
initialized) */
- if (state->size) {
+ if (state.state->size) {
if (strm->avail_in == 0)
- strm->next_in = state->in;
- have = (unsigned)((strm->next_in + strm->avail_in) - state->in);
- if (have < state->size) {
- state->in[have] = c;
+ strm->next_in = state.state->in;
+ have = (unsigned)((strm->next_in + strm->avail_in) - state.state->in);
+ if (have < state.state->size) {
+ state.state->in[have] = c;
strm->avail_in++;
- state->x.pos++;
+ state.state->x.pos++;
return c & 0xff;
}
}
if (file == NULL)
return -1;
state = (gz_statep)file;
- strm = &(state->strm);
+ strm = &(state.state->strm);
/* check that we're writing and that there's no error */
- if (state->mode != GZ_WRITE || state->err != Z_OK)
+ if (state.state->mode != GZ_WRITE || state.state->err != Z_OK)
return 0;
/* make sure we have some buffer space */
- if (state->size == 0 && gz_init(state) == -1)
+ if (state.state->size == 0 && gz_init(state) == -1)
return 0;
/* check for seek request */
- if (state->seek) {
- state->seek = 0;
- if (gz_zero(state, state->skip) == -1)
+ if (state.state->seek) {
+ state.state->seek = 0;
+ if (gz_zero(state, state.state->skip) == -1)
return 0;
}
return 0;
/* do the printf() into the input buffer, put length in len */
- size = (int)(state->size);
- state->in[size - 1] = 0;
+ size = (int)(state.state->size);
+ state.state->in[size - 1] = 0;
#ifdef NO_vsnprintf
# ifdef HAS_vsprintf_void
- (void)vsprintf((char *)(state->in), format, va);
+ (void)vsprintf((char *)(state.state->in), format, va);
for (len = 0; len < size; len++)
- if (state->in[len] == 0) break;
+ if (state.state->in[len] == 0) break;
# else
- len = vsprintf((char *)(state->in), format, va);
+ len = vsprintf((char *)(state.state->in), format, va);
# endif
#else
# ifdef HAS_vsnprintf_void
- (void)vsnprintf((char *)(state->in), size, format, va);
- len = strlen((char *)(state->in));
+ (void)vsnprintf((char *)(state.state->in), size, format, va);
+ len = strlen((char *)(state.state->in));
# else
- len = vsnprintf((char *)(state->in), size, format, va);
+ len = vsnprintf((char *)(state.state->in), size, format, va);
# endif
#endif
/* check that printf() results fit in buffer */
- if (len <= 0 || len >= (int)size || state->in[size - 1] != 0)
+ if (len <= 0 || len >= (int)size || state.state->in[size - 1] != 0)
return 0;
/* update buffer and position, defer compression until needed */
strm->avail_in = (unsigned)len;
- strm->next_in = state->in;
- state->x.pos += len;
+ strm->next_in = state.state->in;
+ state.state->x.pos += len;
return len;
}
if (file == NULL)
return -1;
state = (gz_statep)file;
- strm = &(state->strm);
+ strm = &(state.state->strm);
/* check that can really pass pointer in ints */
if (sizeof(int) != sizeof(void *))
return 0;
/* check that we're writing and that there's no error */
- if (state->mode != GZ_WRITE || state->err != Z_OK)
+ if (state.state->mode != GZ_WRITE || state.state->err != Z_OK)
return 0;
/* make sure we have some buffer space */
- if (state->size == 0 && gz_init(state) == -1)
+ if (state.state->size == 0 && gz_init(state) == -1)
return 0;
/* check for seek request */
- if (state->seek) {
- state->seek = 0;
- if (gz_zero(state, state->skip) == -1)
+ if (state.state->seek) {
+ state.state->seek = 0;
+ if (gz_zero(state, state.state->skip) == -1)
return 0;
}
return 0;
/* do the printf() into the input buffer, put length in len */
- size = (int)(state->size);
- state->in[size - 1] = 0;
+ size = (int)(state.state->size);
+ state.state->in[size - 1] = 0;
#ifdef NO_snprintf
# ifdef HAS_sprintf_void
- sprintf((char *)(state->in), format, a1, a2, a3, a4, a5, a6, a7, a8,
+ sprintf((char *)(state.state->in), format, a1, a2, a3, a4, a5, a6, a7, a8,
a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20);
for (len = 0; len < size; len++)
- if (state->in[len] == 0) break;
+ if (state.state->in[len] == 0) break;
# else
- len = sprintf((char *)(state->in), format, a1, a2, a3, a4, a5, a6, a7, a8,
+ len = sprintf((char *)(state.state->in), format, a1, a2, a3, a4, a5, a6, a7, a8,
a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20);
# endif
#else
# ifdef HAS_snprintf_void
- snprintf((char *)(state->in), size, format, a1, a2, a3, a4, a5, a6, a7, a8,
+ snprintf((char *)(state.state->in), size, format, a1, a2, a3, a4, a5, a6, a7, a8,
a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20);
- len = strlen((char *)(state->in));
+ len = strlen((char *)(state.state->in));
# else
- len = snprintf((char *)(state->in), size, format, a1, a2, a3, a4, a5, a6,
+ len = snprintf((char *)(state.state->in), size, format, a1, a2, a3, a4, a5, a6,
a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17, a18,
a19, a20);
# endif
#endif
/* check that printf() results fit in buffer */
- if (len <= 0 || len >= (int)size || state->in[size - 1] != 0)
+ if (len <= 0 || len >= (int)size || state.state->in[size - 1] != 0)
return 0;
/* update buffer and position, defer compression until needed */
strm->avail_in = (unsigned)len;
- strm->next_in = state->in;
- state->x.pos += len;
+ strm->next_in = state.state->in;
+ state.state->x.pos += len;
return len;
}
state = (gz_statep)file;
/* check that we're writing and that there's no error */
- if (state->mode != GZ_WRITE || state->err != Z_OK)
+ if (state.state->mode != GZ_WRITE || state.state->err != Z_OK)
return Z_STREAM_ERROR;
/* check flush parameter */
return Z_STREAM_ERROR;
/* check for seek request */
- if (state->seek) {
- state->seek = 0;
- if (gz_zero(state, state->skip) == -1)
+ if (state.state->seek) {
+ state.state->seek = 0;
+ if (gz_zero(state, state.state->skip) == -1)
return -1;
}
/* compress remaining data with requested flush */
gz_comp(state, flush);
- return state->err;
+ return state.state->err;
}
/* -- see zlib.h -- */
if (file == NULL)
return Z_STREAM_ERROR;
state = (gz_statep)file;
- strm = &(state->strm);
+ strm = &(state.state->strm);
/* check that we're writing and that there's no error */
- if (state->mode != GZ_WRITE || state->err != Z_OK)
+ if (state.state->mode != GZ_WRITE || state.state->err != Z_OK)
return Z_STREAM_ERROR;
/* if no change is requested, then do nothing */
- if (level == state->level && strategy == state->strategy)
+ if (level == state.state->level && strategy == state.state->strategy)
return Z_OK;
/* check for seek request */
- if (state->seek) {
- state->seek = 0;
- if (gz_zero(state, state->skip) == -1)
+ if (state.state->seek) {
+ state.state->seek = 0;
+ if (gz_zero(state, state.state->skip) == -1)
return -1;
}
/* change compression parameters for subsequent input */
- if (state->size) {
+ if (state.state->size) {
/* flush previous input with previous parameters before changing */
if (strm->avail_in && gz_comp(state, Z_PARTIAL_FLUSH) == -1)
- return state->err;
+ return state.state->err;
deflateParams(strm, level, strategy);
}
- state->level = level;
- state->strategy = strategy;
+ state.state->level = level;
+ state.state->strategy = strategy;
return Z_OK;
}
state = (gz_statep)file;
/* check that we're writing */
- if (state->mode != GZ_WRITE)
+ if (state.state->mode != GZ_WRITE)
return Z_STREAM_ERROR;
/* check for seek request */
- if (state->seek) {
- state->seek = 0;
- if (gz_zero(state, state->skip) == -1)
- ret = state->err;
+ if (state.state->seek) {
+ state.state->seek = 0;
+ if (gz_zero(state, state.state->skip) == -1)
+ ret = state.state->err;
}
/* flush, free memory, and close file */
if (gz_comp(state, Z_FINISH) == -1)
- ret = state->err;
- if (state->size) {
- if (!state->direct) {
- (void)deflateEnd(&(state->strm));
- free(state->out);
+ ret = state.state->err;
+ if (state.state->size) {
+ if (!state.state->direct) {
+ (void)deflateEnd(&(state.state->strm));
+ free(state.state->out);
}
- free(state->in);
+ free(state.state->in);
}
gz_error(state, Z_OK, NULL);
- free(state->path);
- if (close(state->fd) == -1)
+ free(state.state->path);
+ if (close(state.state->fd) == -1)
ret = Z_ERRNO;
- free(state);
+ free(state.state);
return ret;
}
projects / thirdparty / zstd.git / commitdiff
