| File: | pr/Linux4.19_x86_64_gcc_glibc_PTH_64_DBG.OBJ/pr/tests/../../../pr/tests/randseed.c |
| Warning: | line 75, column 21 Value stored to 'i' is never read |
Press '?' to see keyboard shortcuts
Keyboard shortcuts:
| 1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| 5 | |
| 6 | /* |
| 7 | ** File: rngseed.c |
| 8 | ** Description: |
| 9 | ** Test NSPR's Random Number Seed generator |
| 10 | ** |
| 11 | ** Initial test: Just make sure it outputs some data. |
| 12 | ** |
| 13 | ** ... more? ... check some iterations to ensure it is random (no dupes) |
| 14 | ** ... more? ... histogram distribution of random numbers |
| 15 | */ |
| 16 | |
| 17 | #include "plgetopt.h" |
| 18 | #include "nspr.h" |
| 19 | #include "prrng.h" |
| 20 | #include <stdio.h> |
| 21 | #include <stdlib.h> |
| 22 | #include <string.h> |
| 23 | |
| 24 | /* |
| 25 | ** Test harness infrastructure |
| 26 | */ |
| 27 | PRLogModuleInfo *lm; |
| 28 | PRLogModuleLevel msgLevel = PR_LOG_NONE; |
| 29 | PRIntn debug = 0; |
| 30 | PRUint32 failed_already = 0; |
| 31 | /* end Test harness infrastructure */ |
| 32 | |
| 33 | PRIntn optRandCount = 30; |
| 34 | char buf[40]; |
| 35 | PRSize bufSize = sizeof(buf); |
| 36 | PRSize rSize; |
| 37 | PRIntn i; |
| 38 | |
| 39 | /* |
| 40 | ** Emit help text for this test |
| 41 | */ |
| 42 | static void Help( void ) |
| 43 | { |
| 44 | printf("Template: Help(): display your help message(s) here"); |
| 45 | exit(1); |
| 46 | } /* end Help() */ |
| 47 | |
| 48 | static void PrintRand( void *buf, PRIntn size ) |
| 49 | { |
| 50 | PRUint32 *rp = buf; |
| 51 | PRIntn i; |
| 52 | |
| 53 | printf("%4.4d--\n", size ); |
| 54 | while (size > 0 ) { |
| 55 | switch( size ) { |
| 56 | case 1 : |
| 57 | printf("%2.2X\n", *(rp++) ); |
| 58 | size -= 4; |
| 59 | break; |
| 60 | case 2 : |
| 61 | printf("%4.4X\n", *(rp++) ); |
| 62 | size -= 4; |
| 63 | break; |
| 64 | case 3 : |
| 65 | printf("%6.6X\n", *(rp++) ); |
| 66 | size -= 4; |
| 67 | break; |
| 68 | default: |
| 69 | while ( size >= 4) { |
| 70 | PRIntn i = 3; |
| 71 | do { |
| 72 | printf("%8.8X ", *(rp++) ); |
| 73 | size -= 4; |
| 74 | } while( i-- ); |
| 75 | i = 3; |
Value stored to 'i' is never read | |
| 76 | printf("\n"); |
| 77 | } |
| 78 | break; |
| 79 | } /* end switch() */ |
| 80 | } /* end while() */ |
| 81 | } /* end PrintRand() */ |
| 82 | |
| 83 | |
| 84 | int main(int argc, char **argv) |
| 85 | { |
| 86 | { |
| 87 | /* |
| 88 | ** Get command line options |
| 89 | */ |
| 90 | PLOptStatus os; |
| 91 | PLOptState *opt = PL_CreateOptState(argc, argv, "hdv"); |
| 92 | |
| 93 | while (PL_OPT_EOL != (os = PL_GetNextOpt(opt))) |
| 94 | { |
| 95 | if (PL_OPT_BAD == os) { |
| 96 | continue; |
| 97 | } |
| 98 | switch (opt->option) |
| 99 | { |
| 100 | case 'd': /* debug */ |
| 101 | debug = 1; |
| 102 | msgLevel = PR_LOG_ERROR; |
| 103 | break; |
| 104 | case 'v': /* verbose mode */ |
| 105 | msgLevel = PR_LOG_DEBUG; |
| 106 | break; |
| 107 | case 'h': /* help message */ |
| 108 | Help(); |
| 109 | break; |
| 110 | default: |
| 111 | break; |
| 112 | } |
| 113 | } |
| 114 | PL_DestroyOptState(opt); |
| 115 | } |
| 116 | |
| 117 | lm = PR_NewLogModule("Test"); /* Initialize logging */ |
| 118 | for ( i = 0; i < optRandCount ; i++ ) { |
| 119 | memset( buf, 0, bufSize ); |
| 120 | rSize = PR_GetRandomNoise( buf, bufSize ); |
| 121 | if (!rSize) { |
| 122 | fprintf(stderrstderr, "Not implemented\n" ); |
| 123 | failed_already = PR_TRUE1; |
| 124 | break; |
| 125 | } |
| 126 | if (debug) { |
| 127 | PrintRand( buf, rSize ); |
| 128 | } |
| 129 | } |
| 130 | |
| 131 | if (debug) { |
| 132 | printf("%s\n", (failed_already)? "FAIL" : "PASS"); |
| 133 | } |
| 134 | return( (failed_already == PR_TRUE1 )? 1 : 0 ); |
| 135 | } /* main() */ |
| 136 | /* end template.c */ |
| 137 |