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b2sum.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/coreutils/src/src/blake2/b2sum.c
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5int blake2b_stream( FILE *stream, void *resstream, size_t outbytes )-
6{-
7 int ret = -1;-
8 size_t sum, n;-
9 blake2b_state S[1];-
10 static const size_t buffer_length = 32768;-
11 uint8_t *buffer = ( uint8_t * )malloc( buffer_length );-
12-
13 if( !buffer
!bufferDescription
TRUEnever evaluated
FALSEevaluated 38 times by 1 test
Evaluated by:
  • b2sum
 ) return
never executed: return -1;
 -1;
never executed: return -1;
0-38
14-
15 blake2b_init( S, outbytes );-
16-
17 while( 1 )-
18 {-
19 sum = 0;-
20-
21 while( 1 )-
22 {-
23 n = fread( buffer + sum, 1, buffer_length - sum, stream );-
24 sum += n;-
25-
26 if( buffer_length == sum
buffer_length == sumDescription
TRUEnever evaluated
FALSEevaluated 38 times by 1 test
Evaluated by:
  • b2sum
 )		0-38
27 break;
never executed: break;
0
28-
29 if( 0 == n
0 == nDescription
TRUEevaluated 6 times by 1 test
Evaluated by:
  • b2sum
FALSEevaluated 32 times by 1 test
Evaluated by:
  • b2sum
 )		6-32
30 {-
31 if( ferror( stream )
ferror( stream )Description
TRUEnever evaluated
FALSEevaluated 6 times by 1 test
Evaluated by:
  • b2sum
 )		0-6
32 goto
never executed: goto cleanup_buffer;
 cleanup_buffer;
never executed: goto cleanup_buffer;
0
33-
34 goto
executed 6 times by 1 test: goto final_process;
Executed by:
  • b2sum
 final_process;
executed 6 times by 1 test: goto final_process;
Executed by:
  • b2sum
6
35 }-
36-
37 if( feof( stream )
feof( stream )Description
TRUEevaluated 32 times by 1 test
Evaluated by:
  • b2sum
FALSEnever evaluated
 )		0-32
38 goto
executed 32 times by 1 test: goto final_process;
Executed by:
  • b2sum
 final_process;
executed 32 times by 1 test: goto final_process;
Executed by:
  • b2sum
32
39 }
never executed: end of block
0
40-
41 blake2b_update( S, buffer, buffer_length );-
42 }
never executed: end of block
0
43-
44final_process:
code before this statement never executed: final_process:
;		0
45-
46 if( sum > 0
sum > 0Description
TRUEevaluated 32 times by 1 test
Evaluated by:
  • b2sum
FALSEevaluated 6 times by 1 test
Evaluated by:
  • b2sum
 ) blake2b_update( S, buffer, sum );
executed 32 times by 1 test: blake2b_update( S, buffer, sum );
Executed by:
  • b2sum
6-32
47-
48 blake2b_final( S, resstream, outbytes );-
49 ret = 0;-
50cleanup_buffer:
code before this statement executed 38 times by 1 test: cleanup_buffer:
Executed by:
  • b2sum
38
51 free( buffer );-
52 return
executed 38 times by 1 test: return ret;
Executed by:
  • b2sum
 ret;
executed 38 times by 1 test: return ret;
Executed by:
  • b2sum
38
53}-
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