int detect_filetype(char *file){
int fileType=0;
if(is_bz2(file) > 0){
#ifdef HAVE_BZLIB
fileType = detect_datatype_bz2(file);
#endif
fileType|= FILE_BZ2;
}else{
fileType = detect_datatype(file);
if(is_gz(file) > 0)
fileType|= FILE_GZ;
}
report_filetype(fileType);
return fileType;
}
void *gzip_load(const char *fname, int *ptr_ulen)
{
int fd, err;
gzFile f = 0;
int ulen = 0;
void * uncompr = 0;
off_t len;
const int omode = O_RDONLY | _O_BINARY;
fd = open(fname, omode);
if (fd == -1) {
//SC68error_add("gzip_load(%s) : %s", fname, strerror(errno));
goto error;
}
len = lseek(fd, 0, SEEK_END);
if (len == (off_t) -1) {
//SC68error_add("gzip_load(%s) : %s", fname, strerror(errno));
goto error;
}
if (lseek(fd, 0, SEEK_SET) != 0) {
//SC68error_add("gzip_load(%s) : %s", fname, strerror(errno));
goto error;
}
ulen = is_gz(fd, len);
if (ulen == -1) {
ulen = len;
}
f = gzdopen(fd, "rb");
if (!f) {
//SC68error_add("gzip_load(%s) : %s", fname, gzerror(f, &err));
goto error;
}
fd = 0; /* $$$ Closed by gzclose(). Verify fdopen() rules. */
uncompr = SC68alloc(ulen);
if (!uncompr) {
//SC68error_add("gzip_load(%s) : alloc (%d) failed", fname, ulen);
goto error;
}
len = gzread(f, uncompr, ulen);
if (len != ulen) {
//SC68error_add("gzip_load(%s) : read : %s",fname, gzerror (f, &err));
goto error;
}
goto end;
error:
if (uncompr) {
SC68free(uncompr);
uncompr = 0;
ulen = 0;
}
end:
if (fd) {
close(fd);
}
if (f) {
gzclose(f);
}
if (ptr_ulen) {
*ptr_ulen = ulen;
}
return uncompr;
}