LCOV - code coverage report
Current view: top level - libavutil/tests - hash.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 25 26 96.2 %
Date: 2017-10-18 21:45:51 Functions: 1 1 100.0 %

          Line data    Source code
       1             : /*
       2             :  * Copyright (C) 2013 Reimar Döffinger <Reimar.Doeffinger@gmx.de>
       3             :  *
       4             :  * This file is part of FFmpeg.
       5             :  *
       6             :  * FFmpeg is free software; you can redistribute it and/or
       7             :  * modify it under the terms of the GNU Lesser General Public
       8             :  * License as published by the Free Software Foundation; either
       9             :  * version 2.1 of the License, or (at your option) any later version.
      10             :  *
      11             :  * FFmpeg is distributed in the hope that it will be useful,
      12             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      13             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14             :  * Lesser General Public License for more details.
      15             :  *
      16             :  * You should have received a copy of the GNU Lesser General Public
      17             :  * License along with FFmpeg; if not, write to the Free Software
      18             :  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
      19             :  */
      20             : 
      21             : #include <stdio.h>
      22             : #include <string.h>
      23             : 
      24             : #include "libavutil/hash.h"
      25             : 
      26             : #define SRC_BUF_SIZE 64
      27             : #define DST_BUF_SIZE (AV_HASH_MAX_SIZE * 8)
      28             : 
      29           1 : int main(void)
      30             : {
      31           1 :    struct AVHashContext *ctx = NULL;
      32           1 :    int i, j, numhashes = 0;
      33             :    static const uint8_t src[SRC_BUF_SIZE] = { 0 };
      34             :    uint8_t dst[DST_BUF_SIZE];
      35             : 
      36          17 :    while (av_hash_names(numhashes))
      37          15 :        numhashes++;
      38             : 
      39          16 :    for (i = 0; i < numhashes; i++) {
      40          15 :        if (av_hash_alloc(&ctx, av_hash_names(i)) < 0)
      41           0 :            return 1;
      42             : 
      43          15 :        av_hash_init(ctx);
      44          15 :        av_hash_update(ctx, src, SRC_BUF_SIZE);
      45          15 :        memset(dst, 0, DST_BUF_SIZE);
      46          15 :        av_hash_final_hex(ctx, dst, DST_BUF_SIZE);
      47          15 :        printf("%s hex: %s\n", av_hash_get_name(ctx), dst);
      48             : 
      49          15 :        av_hash_init(ctx);
      50          15 :        av_hash_update(ctx, src, SRC_BUF_SIZE);
      51          15 :        av_hash_final_bin(ctx, dst, DST_BUF_SIZE);
      52          15 :        printf("%s bin: ", av_hash_get_name(ctx));
      53         415 :        for (j = 0; j < av_hash_get_size(ctx); j++) {
      54         400 :            printf("%#x ", dst[j]);
      55             :        }
      56          15 :        printf("\n");
      57             : 
      58          15 :        av_hash_init(ctx);
      59          15 :        av_hash_update(ctx, src, SRC_BUF_SIZE);
      60          15 :        av_hash_final_b64(ctx, dst, DST_BUF_SIZE);
      61          15 :        printf("%s b64: %s\n", av_hash_get_name(ctx), dst);
      62          15 :        av_hash_freep(&ctx);
      63             :    }
      64           1 :    return 0;
      65             : }

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