iverilog/vpi/cppcheck.sup

// Skip all memory issues since they should be handled by ivl_alloc.h
ctunullpointerOutOfMemory
nullPointerArithmeticOutOfMemory
nullPointerOutOfMemory
memleakOnRealloc

// Skip strdup() not constant.
constVariablePointer:sys_vcd.c:631
constVariablePointer:sys_vcd.c:688

// Invalid issues.
// This always run once so v1 is assigned a value.
uninitvar:sys_random.c:267

// The interface is from the standard.
constParameterCallback:sys_convert.c:150
constParameterCallback:sys_display.c:1281
constParameterCallback:sys_display.c:1379
constParameterCallback:sys_display.c:1553
constParameterCallback:sys_display.c:2169
constParameterCallback:sys_fileio.c:261
constParameterCallback:sys_random.c:497
constParameterCallback:sys_sdf.c:437
constParameterCallback:sys_time.c:25
constParameterCallback:sys_time.c:81
constParameterCallback:table_mod.c:663

// Unused functions.
unusedFunction:sys_sdf.c:60

// The following three files are copied directly from GTKWave and we do not
// have control over them. Tony has a specific programming style so these
// problems will not be fixed.

// fstapi.c from GTKWave
asctimeCalled:fstapi.c
badBitmaskCheck:fstapi.c
constParameterPointer:fstapi.c
constVariablePointer:fstapi.c
duplicateConditionalAssign:fstapi.c
knownConditionTrueFalse:fstapi.c
memleak:fstapi.c
missingInclude:fst_win_unistd.h:50
nullPointer:fstapi.c
shiftTooManyBits:fstapi.c
shiftTooManyBitsSigned:fstapi.c
staticFunction:fstapi.c
uninitvar:fstapi.c
unreadVariable:fstapi.c
uselessAssignmentPtrArg:fstapi.c
variableScope:fstapi.c
// These functions are not used by Icarus
// fstReaderClrFacProcessMask()
unusedFunction:fstapi.c:3513
// fstReaderClrFacProcessMaskAll()
unusedFunction:fstapi.c:3533
// fstReaderGetAliasCount()
unusedFunction:fstapi.c:3578
// fstReaderGetCurrentFlatScope()
unusedFunction:fstapi.c:3392
// fstReaderGetCurrentScopeLen()
unusedFunction:fstapi.c:3465
// fstReaderGetCurrentScopeUserInfo()
unusedFunction:fstapi.c:3401
// fstReaderGetDateString()
unusedFunction:fstapi.c:3598
// fstReaderGetDoubleEndianMatchState()
unusedFunction:fstapi.c:3588
// fstReaderGetDumpActivityChangeTime()
unusedFunction:fstapi.c:3618
// fstReaderGetDumpActivityChangeValue()
unusedFunction:fstapi.c:3627
// fstReaderGetEndTime()
unusedFunction:fstapi.c:3553
// fstReaderGetFacProcessMask()
unusedFunction:fstapi.c:3486
// fstReaderGetFileType()
unusedFunction:fstapi.c:3603
// fstReaderGetFseekFailed()
unusedFunction:fstapi.c:3474
// fstReaderGetMaxHandle()
unusedFunction:fstapi.c:3573
// fstReaderGetMemoryUsedByWriter()
unusedFunction:fstapi.c:3558
// fstReaderGetNumberDumpActivityChanges()
unusedFunction:fstapi.c:3613
// fstReaderGetScopeCount()
unusedFunction:fstapi.c:3563
// fstReaderGetStartTime()
unusedFunction:fstapi.c:3548
// fstReaderGetTimescale()
unusedFunction:fstapi.c:3543
// fstReaderGetTimezero()
unusedFunction:fstapi.c:3608
// fstReaderGetValueChangeSectionCount()
unusedFunction:fstapi.c:3583
// fstReaderGetValueFromHandleAtTime()
unusedFunction:fstapi.c:5952
// fstReaderGetVarCount()
unusedFunction:fstapi.c:3568
// fstReaderGetVersionString()
unusedFunction:fstapi.c:3593
// fstReaderIterBlocks()
unusedFunction:fstapi.c:4832
// fstReaderIterBlocksSetNativeDoublesOnCallback()
unusedFunction:fstapi.c:3659
// fstReaderIterateHier()
unusedFunction:fstapi.c:3872
// fstReaderIterateHierRewind()
unusedFunction:fstapi.c:3856
// fstReaderOpen()
unusedFunction:fstapi.c:4728
// fstReaderOpenForUtilitiesOnly()
unusedFunction:fstapi.c:4721
// fstReaderPushScope()
unusedFunction:fstapi.c:3435
// fstReaderResetScope()
unusedFunction:fstapi.c:3427
// fstReaderSetFacProcessMask()
unusedFunction:fstapi.c:3500
// fstReaderSetFacProcessMaskAll()
unusedFunction:fstapi.c:3526
// fstReaderSetLimitTimeRange()
unusedFunction:fstapi.c:3636
// fstReaderSetUnlimitedTimeRange()
unusedFunction:fstapi.c:3645
// fstReaderSetVcdExtensions()
unusedFunction:fstapi.c:3652
// fstUtilityExtractEnumTableFromString()
unusedFunction:fstapi.c:6930
// fstUtilityFreeEnumTable()
unusedFunction:fstapi.c:6995
// fstWriterCreateEnumTable()
unusedFunction:fstapi.c:2715
// fstWriterCreateVar2()
unusedFunction:fstapi.c:2516
// fstWriterEmitEnumTableRef()
unusedFunction:fstapi.c:2819
// fstWriterEmitValueChangeVec32()
unusedFunction:fstapi.c:2966
// fstWriterEmitValueChangeVec64()
unusedFunction:fstapi.c:3011
// fstWriterEmitVariableLengthValueChange()
unusedFunction:fstapi.c:3057
// fstWriterGetFlushContextPending()
unusedFunction:fstapi.c:2506
// fstWriterGetFseekFailed()
unusedFunction:fstapi.c:2492
// fstWriterSetAttrEnd()
unusedFunction:fstapi.c:2707
// fstWriterSetComment()
unusedFunction:fstapi.c:2347
// fstWriterSetEnvVar()
unusedFunction:fstapi.c:2357
// fstWriterSetFileType()
unusedFunction:fstapi.c:2244
// fstWriterSetParallelMode()
unusedFunction:fstapi.c:2460
// fstWriterSetTimezero()
unusedFunction:fstapi.c:2434
// fstWriterSetValueList()
unusedFunction:fstapi.c:2352

// lxt2_write.c from GTKWave
allocaCalled:lxt2_write.c
constParameterPointer:lxt2_write.c
knownConditionTrueFalse:lxt2_write.c
shiftNegativeLHS:lxt2_write.c
staticFunction:lxt2_write.c
variableScope:lxt2_write.c
// These functions are not used by Icarus
// lxt2_wr_emit_value_int()
unusedFunction:lxt2_write.c:1611
// lxt2_wr_inc_time_by_delta()
unusedFunction:lxt2_write.c:997
// lxt2_wr_inc_time_by_delta64()
unusedFunction:lxt2_write.c:1007
// lxt2_wr_set_checkpoint_off()
unusedFunction:lxt2_write.c:835
// lxt2_wr_set_checkpoint_on()
unusedFunction:lxt2_write.c:843
// lxt2_wr_set_maxgranule()
unusedFunction:lxt2_write.c:1567
// lxt2_wr_set_partial_preference()
unusedFunction:lxt2_write.c:812
// lxt2_wr_set_timezero()
unusedFunction:lxt2_write.c:2201
// lxt2_wr_symbol_bracket_stripping()
unusedFunction:lxt2_write.c:1581
// lxt2_wr_symbol_find()
unusedFunction:lxt2_write.c:877

// lxt_write.c from GTKWave
constParameterCallback:lxt_write.c
constParameterPointer:lxt_write.c
constVariablePointer:lxt_write.c
knownConditionTrueFalse:lxt_write.c
shiftNegative:lxt_write.c:2700
shiftNegative:lxt_write.c:2744
variableScope:lxt_write.c:31
variableScope:lxt_write.c:83
variableScope:lxt_write.c:527
variableScope:lxt_write.c:528
variableScope:lxt_write.c:587
variableScope:lxt_write.c:640
variableScope:lxt_write.c:780
variableScope:lxt_write.c:880
variableScope:lxt_write.c:1056
variableScope:lxt_write.c:1057
variableScope:lxt_write.c:1058
variableScope:lxt_write.c:1194
variableScope:lxt_write.c:1850
variableScope:lxt_write.c:2029
variableScope:lxt_write.c:2030
variableScope:lxt_write.c:2147
variableScope:lxt_write.c:2148
variableScope:lxt_write.c:2265
variableScope:lxt_write.c:2266
variableScope:lxt_write.c:2595
variableScope:lxt_write.c:2596
variableScope:lxt_write.c:2597
variableScope:lxt_write.c:2598
// These functions are not used by Icarus
// lt_emit_value_int()
unusedFunction:lxt_write.c:1661
// lt_emit_value_string()
unusedFunction:lxt_write.c:2144
// lt_inc_time_by_delta()
unusedFunction:lxt_write.c:1374
// lt_inc_time_by_delta64()
unusedFunction:lxt_write.c:1384
// lt_set_chg_compress()
unusedFunction:lxt_write.c:1457
// lt_set_dict_compress()
unusedFunction:lxt_write.c:1474
// lt_set_time()
unusedFunction:lxt_write.c:1379
// lt_set_timezero()
unusedFunction:lxt_write.c:2820
// lt_symbol_bracket_stripping()
unusedFunction:lxt_write.c:1585
// lt_symbol_find()
unusedFunction:lxt_write.c:1277

// fastlz.c from GTKWave
constVariablePointer:fastlz.c
syntaxError:fastlz.c
unreadVariable:fastlz.c
// These functions are not used by Icarus
// fastlz_compress_level()
unusedFunction:fastlz.c:152
// FASTLZ_COMPRESSOR()
unusedFunction:fastlz.c:164
// FASTLZ_DECOMPRESSOR()
unusedFunction:fastlz.c:418

// lz4.c from GTKWave
bitwiseOnBoolean:lz4.c
constVariablePointer:lz4.c
staticFunction:lz4.c
syntaxError:lz4.c
unusedStructMember:lz4.c
// These functions are not used by Icarus
// LZ4_versionNumber()
unusedFunction:lz4.c:746
// LZ4_versionString()
unusedFunction:lz4.c:747
// LZ4_sizeofState()
unusedFunction:lz4.c:749
// LZ4_compress_fast_extState_fastReset()
unusedFunction:lz4.c:1411
// LZ4_compress_destSize_extState()
unusedFunction:lz4.c:1494
// LZ4_compress_destSize()
unusedFunction:lz4.c:1503
// LZ4_resetStream_fast()
unusedFunction:lz4.c:1567
// LZ4_resetStream()
unusedFunction:lz4.c:1572
// LZ4_loadDict()
unusedFunction:lz4.c:1583
// LZ4_attach_dictionary()
unusedFunction:lz4.c:1626
// LZ4_compress_forceExtDict()
unusedFunction:lz4.c:1755
// LZ4_saveDict()
unusedFunction:lz4.c:1782
// LZ4_decompress_fast_withPrefix64k()
unusedFunction:lz4.c:2456
// LZ4_createStreamDecode()
unusedFunction:lz4.c:2529
// LZ4_freeStreamDecode()
unusedFunction:lz4.c:2535
// LZ4_setStreamDecode()
unusedFunction:lz4.c:2549
// LZ4_decoderRingBufferSize()
unusedFunction:lz4.c:2575
// LZ4_decompress_safe_continue()
unusedFunction:lz4.c:2591
// LZ4_decompress_fast_continue()
unusedFunction:lz4.c:2631
// LZ4_decompress_safe_usingDict()
unusedFunction:lz4.c:2679
// LZ4_decompress_safe_partial_usingDict()
unusedFunction:lz4.c:2694
// LZ4_decompress_fast_usingDict()
unusedFunction:lz4.c:2709
// LZ4_compress_limitedOutput()
unusedFunction:lz4.c:2724
// LZ4_compress()
unusedFunction:lz4.c:2728
// LZ4_compress_limitedOutput_withState()
unusedFunction:lz4.c:2732
// LZ4_compress_withState()
unusedFunction:lz4.c:2736
// LZ4_compress_limitedOutput_continue()
unusedFunction:lz4.c:2740
// LZ4_compress_continue()
unusedFunction:lz4.c:2744
// LZ4_uncompress()
unusedFunction:lz4.c:2755
// LZ4_uncompress_unknownOutputSize()
unusedFunction:lz4.c:2759
// LZ4_sizeofStreamState()
unusedFunction:lz4.c:2766
// LZ4_resetStreamState()
unusedFunction:lz4.c:2768
// LZ4_create()
unusedFunction:lz4.c:2776
// LZ4_slideInputBuffer()
unusedFunction:lz4.c:2783

// The routines in sys_random.c are exact copies from IEEE1364-2005 and
// they have scope warnings that we need to ignore.
variableScope:sys_random.c:47
variableScope:sys_random.c:70
variableScope:sys_random.c:93
variableScope:sys_random.c:148

// Issues in Lex/Yacc files
allocaCalled:sdf_parse.c
constParameterPointer:sdf_parse.c
constVariablePointer:sdf_parse.c
knownConditionTrueFalse:sdf_parse.c
duplicateBreak:sdf_lexor.lex
duplicateBreak:sys_readmem_lex.lex
allocaCalled:table_mod_parse.c
constParameterPointer:table_mod_parse.c
constVariablePointer:table_mod_parse.c
knownConditionTrueFalse:table_mod_parse.c
duplicateBreak:table_mod_lexor.lex
constVariablePointer:<stdout>
duplicateBreak:<stdout>
nullPointer:<stdout>
redundantInitialization:<stdout>
staticFunction:<stdout>
unusedFunction:<stdout>