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Try to fix rare errors with articles corruption

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This commit is contained in:
Abs62 2012-11-22 17:00:25 +04:00
parent e456ed765d
commit 4ad847515e
2 changed files with 56 additions and 41 deletions
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44
dictzip.c
View file

@ -293,7 +293,7 @@ static int dict_read_header( const char *filename,
rewind( str ); rewind( str );
while (!feof( str )) { while (!feof( str )) {
if ((count = fread( buffer, 1, BUFFERSIZE, str ))) { if ((count = fread( buffer, 1, BUFFERSIZE, str ))) {
crc = crc32( crc, buffer, count ); crc = crc32( crc, (Bytef *)buffer, count );
} }
} }
} }
@ -438,10 +438,15 @@ dictData *dict_data_open( const char *filename, int computeCRC )
h = xmalloc( sizeof( struct dictData ) ); h = xmalloc( sizeof( struct dictData ) );
memset( h, 0, sizeof( struct dictData ) ); memset( h, 0, sizeof( struct dictData ) );
#ifdef __WIN32
h->fd = INVALID_HANDLE_VALUE;
#endif
h->initialized = 0; h->initialized = 0;
for(;;)
{
if (dict_read_header( filename, h, computeCRC )) { if (dict_read_header( filename, h, computeCRC )) {
return 0; /* break; /*
err_fatal( __func__, err_fatal( __func__,
"\"%s\" not in text or dzip format\n", filename );*/ "\"%s\" not in text or dzip format\n", filename );*/
} }
@ -449,12 +454,12 @@ dictData *dict_data_open( const char *filename, int computeCRC )
#ifdef __WIN32 #ifdef __WIN32
wchar_t wname[16384]; wchar_t wname[16384];
if( MultiByteToWideChar( CP_UTF8, 0, filename, -1, wname, 16384 ) == 0 ) if( MultiByteToWideChar( CP_UTF8, 0, filename, -1, wname, 16384 ) == 0 )
return 0; break;
h->fd = CreateFileW( wname, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, 0, h->fd = CreateFileW( wname, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, 0,
OPEN_EXISTING, FILE_FLAG_RANDOM_ACCESS, 0); OPEN_EXISTING, FILE_FLAG_RANDOM_ACCESS, 0);
if( h->fd == INVALID_HANDLE_VALUE ) if( h->fd == INVALID_HANDLE_VALUE )
return 0; break;
h->size = GetFileSize( h->fd, 0 ); h->size = GetFileSize( h->fd, 0 );
#else #else
@ -462,7 +467,7 @@ dictData *dict_data_open( const char *filename, int computeCRC )
if ( !h->fd ) if ( !h->fd )
{ {
return 0; break;
/*err_fatal_errno( __func__, /*err_fatal_errno( __func__,
"Cannot open data file \"%s\"\n", filename );*/ "Cannot open data file \"%s\"\n", filename );*/
} }
@ -480,6 +485,9 @@ dictData *dict_data_open( const char *filename, int computeCRC )
} }
return h; return h;
}
dict_data_close( h );
return( 0 );
} }
void dict_data_close( dictData *header ) void dict_data_close( dictData *header )
@ -531,7 +539,6 @@ char *dict_data_read_ (
int firstOffset, lastOffset; int firstOffset, lastOffset;
int i, j; int i, j;
int found, target, lastStamp; int found, target, lastStamp;
static int stamp = 0;
end = start + size; end = start + size;
@ -577,7 +584,6 @@ char *dict_data_read_ (
break; break;
case DICT_DZIP: case DICT_DZIP:
if (!h->initialized) { if (!h->initialized) {
++h->initialized;
h->zStream.zalloc = NULL; h->zStream.zalloc = NULL;
h->zStream.zfree = NULL; h->zStream.zfree = NULL;
h->zStream.opaque = NULL; h->zStream.opaque = NULL;
@ -589,6 +595,7 @@ char *dict_data_read_ (
err_internal( __func__, err_internal( __func__,
"Cannot initialize inflation engine: %s\n", "Cannot initialize inflation engine: %s\n",
h->zStream.msg ); h->zStream.msg );
++h->initialized;
} }
firstChunk = start / h->chunkLength; firstChunk = start / h->chunkLength;
firstOffset = start - firstChunk * h->chunkLength; firstOffset = start - firstChunk * h->chunkLength;
@ -619,14 +626,20 @@ char *dict_data_read_ (
} }
} }
h->cache[target].stamp = ++stamp; h->cache[target].stamp = ++h->stamp;
if( h->stamp < 0 )
{
h->stamp = 0;
for (j = 0; j < DICT_CACHE_SIZE; j++)
h->cache[j].stamp = -1;
}
if (found) { if (found) {
count = h->cache[target].count; count = h->cache[target].count;
inBuffer = h->cache[target].inBuffer; inBuffer = h->cache[target].inBuffer;
} else { } else {
h->cache[target].chunk = i; h->cache[target].chunk = -1;
if (!h->cache[target].inBuffer) if (!h->cache[target].inBuffer)
h->cache[target].inBuffer = xmalloc( IN_BUFFER_SIZE ); h->cache[target].inBuffer = xmalloc( h->chunkLength );
inBuffer = h->cache[target].inBuffer; inBuffer = h->cache[target].inBuffer;
if (h->chunks[i] >= OUT_BUFFER_SIZE ) { if (h->chunks[i] >= OUT_BUFFER_SIZE ) {
@ -652,10 +665,10 @@ char *dict_data_read_ (
dict_data_filter( outBuffer, &count, OUT_BUFFER_SIZE, preFilter ); dict_data_filter( outBuffer, &count, OUT_BUFFER_SIZE, preFilter );
h->zStream.next_in = outBuffer; h->zStream.next_in = (Bytef *)outBuffer;
h->zStream.avail_in = h->chunks[i]; h->zStream.avail_in = h->chunks[i];
h->zStream.next_out = inBuffer; h->zStream.next_out = (Bytef *)inBuffer;
h->zStream.avail_out = IN_BUFFER_SIZE; h->zStream.avail_out = h->chunkLength;
if (inflate( &h->zStream, Z_PARTIAL_FLUSH ) != Z_OK) if (inflate( &h->zStream, Z_PARTIAL_FLUSH ) != Z_OK)
err_fatal( __func__, "inflate: %s\n", h->zStream.msg ); err_fatal( __func__, "inflate: %s\n", h->zStream.msg );
if (h->zStream.avail_in) if (h->zStream.avail_in)
@ -663,10 +676,11 @@ char *dict_data_read_ (
"inflate did not flush (%d pending, %d avail)\n", "inflate did not flush (%d pending, %d avail)\n",
h->zStream.avail_in, h->zStream.avail_out ); h->zStream.avail_in, h->zStream.avail_out );
count = IN_BUFFER_SIZE - h->zStream.avail_out; count = h->chunkLength - h->zStream.avail_out;
dict_data_filter( inBuffer, &count, IN_BUFFER_SIZE, postFilter ); dict_data_filter( inBuffer, &count, h->chunkLength, postFilter );
h->cache[target].count = count; h->cache[target].count = count;
h->cache[target].chunk = i;
} }
if (i == firstChunk) { if (i == firstChunk) {

1
dictzip.h
View file

@ -78,6 +78,7 @@ typedef struct dictData {
unsigned long crc; unsigned long crc;
unsigned long length; unsigned long length;
unsigned long compressedLength; unsigned long compressedLength;
int stamp;
dictCache cache[DICT_CACHE_SIZE]; dictCache cache[DICT_CACHE_SIZE];
} dictData; } dictData;