static int _sl_check_entry( _sl_Entry e, const char *function )
{
if (!e) err_internal( function, "entry is null\n" );
#if MAA_MAGIC
if (e->magic != SL_ENTRY_MAGIC) {
err_warning( function,
"Bad magic: 0x%08x (should be 0x%08x)\n",
e->magic,
SL_ENTRY_MAGIC );
return 1;
}
#endif
return 0;
}
dictData *dict_data_open( const char *filename, int computeCRC )
{
dictData *h = NULL;
struct stat sb;
int j;
if (!filename)
return NULL;
h = xmalloc( sizeof( struct dictData ) );
memset( h, 0, sizeof( struct dictData ) );
h->initialized = 0;
if (stat( filename, &sb ) || !S_ISREG(sb.st_mode)) {
err_warning( __func__,
"%s is not a regular file -- ignoring\n", filename );
return h;
}
if (dict_read_header( filename, h, computeCRC )) {
err_fatal( __func__,
"\"%s\" not in text or dzip format\n", filename );
}
if ((h->fd = open( filename, O_RDONLY )) < 0)
err_fatal_errno( __func__,
"Cannot open data file \"%s\"\n", filename );
if (fstat( h->fd, &sb ))
err_fatal_errno( __func__,
"Cannot stat data file \"%s\"\n", filename );
h->size = sb.st_size;
if (mmap_mode){
#ifdef HAVE_MMAP
h->start = mmap( NULL, h->size, PROT_READ, MAP_SHARED, h->fd, 0 );
if ((void *)h->start == (void *)(-1))
err_fatal_errno(
__func__,
"Cannot mmap data file \"%s\"\n", filename );
#else
err_fatal (__func__, "This should not happen");
#endif
}else{
h->start = xmalloc (h->size);
if (-1 == read (h->fd, (char *) h->start, h->size))
err_fatal_errno (
__func__,
"Cannot read data file \"%s\"\n", filename );
close (h -> fd);
h -> fd = 0;
}
h->end = h->start + h->size;
for (j = 0; j < DICT_CACHE_SIZE; j++) {
h->cache[j].chunk = -1;
h->cache[j].stamp = -1;
h->cache[j].inBuffer = NULL;
h->cache[j].count = 0;
}
return h;
}
