2       checkFrame - verify frame headers
3       Copyright (C) Yann Collet 2014-2020
19       51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22       - LZ4 homepage : http://www.lz4.org
23       - LZ4 source repository : https://github.com/lz4/lz4
26   /*-************************************
29   #include "util.h"       /* U32 */
30   #include <stdlib.h>     /* malloc, free */
31   #include <stdio.h>      /* fprintf */
32   #include <string.h>     /* strcmp */
33   #include <time.h>       /* clock_t, clock(), CLOCKS_PER_SEC */
34   #include <assert.h>
35   #include "lz4frame.h"   /* include multiple times to test correctness/safety */
36   #include "lz4frame.h"
38   #include "lz4frame.h"
39   #include "lz4frame.h"
40   #include "lz4.h"        /* LZ4_VERSION_STRING */
42   #include "xxhash.h"     /* XXH64 */
45   /*-************************************
53   /*-************************************
77 /*-***************************************
85 /*-*******************************************************
101     ress->srcBufferSize = 4 MB;  in createCResources()
102     ress->srcBuffer = malloc(ress->srcBufferSize);  in createCResources()
103     ress->dstBufferSize = 4 MB;  in createCResources()
104     ress->dstBuffer = malloc(ress->dstBufferSize);  in createCResources()
106     if (!ress->srcBuffer || !ress->dstBuffer) {  in createCResources()
107         free(ress->srcBuffer);  in createCResources()
108         free(ress->dstBuffer);  in createCResources()
112     if (LZ4F_isError( LZ4F_createDecompressionContext(&(ress->ctx), LZ4F_VERSION) )) {  in createCResources()
113         free(ress->srcBuffer);  in createCResources()
114         free(ress->dstBuffer);  in createCResources()
151                 remaining = readSize - pos;  in frameCheck()
169             if (nextToLoad > (readSize - pos)) {  in frameCheck()
172                 remaining = readSize - pos;  in frameCheck()
184 …/* detect small block due to end of frame; the final 4-byte frame checksum could be left in the bu…  in frameCheck()
208     DISPLAY( " -b#    : expected blocksizeID [4-7] (required)\n");  in FUZ_usage()
209     DISPLAY( " -B#    : expected blocksize [32-4194304] (required)\n");  in FUZ_usage()
210     DISPLAY( " -v     : verbose\n");  in FUZ_usage()
211     DISPLAY( " -h     : display help and exit\n");  in FUZ_usage()
230         if (argument[0]=='-') {  in main()
231             if (!strcmp(argument, "--no-prompt")) {  in main()
241                 case 'h':  in main()
249                     displayLevel--;  in main()
261                         bsid += (unsigned)(*argument - '0');  in main()
271                         blockSize += (size_t)(*argument - '0');  in main()
287 …    DISPLAY("Starting frame checker (%i-bits, %s)\n", (int)(sizeof(size_t)*8), LZ4_VERSION_STRING);  in main()