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How to use isDefault method of prog Package

Best Syzkaller code snippet using prog.isDefault

types.go

Source:types.go

...84	// where Size == 0 and UnitSize equals to the underlying bitfield type size.85	UnitSize() uint6486	UnitOffset() uint6487	DefaultArg(dir Dir) Arg88	isDefaultArg(arg Arg) bool89	generate(r *randGen, s *state, dir Dir) (arg Arg, calls []*Call)90	mutate(r *randGen, s *state, arg Arg, ctx ArgCtx) (calls []*Call, retry, preserve bool)91	getMutationPrio(target *Target, arg Arg, ignoreSpecial bool) (prio float64, stopRecursion bool)92	minimize(ctx *minimizeArgsCtx, arg Arg, path string) bool93	ref() Ref94	setRef(ref Ref)95}96type Ref uint3297func (ti Ref) String() string       { panic("prog.Ref method called") }98func (ti Ref) Name() string         { panic("prog.Ref method called") }99func (ti Ref) TemplateName() string { panic("prog.Ref method called") }100func (ti Ref) Optional() bool                                        { panic("prog.Ref method called") }101func (ti Ref) Varlen() bool                                          { panic("prog.Ref method called") }102func (ti Ref) Size() uint64                                          { panic("prog.Ref method called") }103func (ti Ref) TypeBitSize() uint64                                   { panic("prog.Ref method called") }104func (ti Ref) Format() BinaryFormat                                  { panic("prog.Ref method called") }105func (ti Ref) BitfieldOffset() uint64                                { panic("prog.Ref method called") }106func (ti Ref) BitfieldLength() uint64                                { panic("prog.Ref method called") }107func (ti Ref) IsBitfield() bool                                      { panic("prog.Ref method called") }108func (ti Ref) UnitSize() uint64                                      { panic("prog.Ref method called") }109func (ti Ref) UnitOffset() uint64                                    { panic("prog.Ref method called") }110func (ti Ref) DefaultArg(dir Dir) Arg                                { panic("prog.Ref method called") }111func (ti Ref) Clone() Type                                           { panic("prog.Ref method called") }112func (ti Ref) isDefaultArg(arg Arg) bool                             { panic("prog.Ref method called") }113func (ti Ref) generate(r *randGen, s *state, dir Dir) (Arg, []*Call) { panic("prog.Ref method called") }114func (ti Ref) mutate(r *randGen, s *state, arg Arg, ctx ArgCtx) ([]*Call, bool, bool) {115	panic("prog.Ref method called")116}117func (ti Ref) getMutationPrio(target *Target, arg Arg, ignoreSpecial bool) (float64, bool) {118	panic("prog.Ref method called")119}120func (ti Ref) minimize(ctx *minimizeArgsCtx, arg Arg, path string) bool {121	panic("prog.Ref method called")122}123func (ti Ref) ref() Ref       { panic("prog.Ref method called") }124func (ti Ref) setRef(ref Ref) { panic("prog.Ref method called") }125func IsPad(t Type) bool {126	if ct, ok := t.(*ConstType); ok && ct.IsPad {127		return true128	}129	return false130}131type TypeCommon struct {132	TypeName string133	// Static size of the type, or 0 for variable size types and all but last bitfields in the group.134	TypeSize   uint64135	IsOptional bool136	IsVarlen   bool137	self Ref138}139func (t *TypeCommon) Name() string {140	return t.TypeName141}142func (t *TypeCommon) TemplateName() string {143	name := t.TypeName144	if pos := strings.IndexByte(name, '['); pos != -1 {145		name = name[:pos]146	}147	return name148}149func (t *TypeCommon) Optional() bool {150	return t.IsOptional151}152func (t *TypeCommon) Size() uint64 {153	if t.IsVarlen {154		panic(fmt.Sprintf("static type size is not known: %#v", t))155	}156	return t.TypeSize157}158func (t *TypeCommon) TypeBitSize() uint64 {159	panic("cannot get the bitsize for a non-integer type")160}161func (t *TypeCommon) Varlen() bool {162	return t.IsVarlen163}164func (t *TypeCommon) Format() BinaryFormat {165	return FormatNative166}167func (t *TypeCommon) BitfieldOffset() uint64 {168	return 0169}170func (t *TypeCommon) BitfieldLength() uint64 {171	return 0172}173func (t *TypeCommon) UnitSize() uint64 {174	return t.Size()175}176func (t *TypeCommon) UnitOffset() uint64 {177	return 0178}179func (t *TypeCommon) IsBitfield() bool {180	return false181}182func (t *TypeCommon) ref() Ref {183	if t.self == 0 {184		panic("ref is not assigned yet")185	}186	return t.self187}188func (t *TypeCommon) setRef(ref Ref) {189	t.self = ref190}191type ResourceDesc struct {192	Name   string193	Kind   []string194	Values []uint64195	Ctors  []ResourceCtor196}197type ResourceCtor struct {198	Call    int // Index in Target.Syscalls199	Precise bool200}201type ResourceType struct {202	TypeCommon203	ArgFormat BinaryFormat204	Desc      *ResourceDesc205}206func (t *ResourceType) String() string {207	return t.Name()208}209func (t *ResourceType) DefaultArg(dir Dir) Arg {210	return MakeResultArg(t, dir, nil, t.Default())211}212func (t *ResourceType) isDefaultArg(arg Arg) bool {213	a := arg.(*ResultArg)214	return a.Res == nil && a.OpDiv == 0 && a.OpAdd == 0 &&215		len(a.uses) == 0 && a.Val == t.Default()216}217func (t *ResourceType) Default() uint64 {218	return t.Desc.Values[0]219}220func (t *ResourceType) SpecialValues() []uint64 {221	return t.Desc.Values222}223func (t *ResourceType) Format() BinaryFormat {224	return t.ArgFormat225}226type IntTypeCommon struct {227	TypeCommon228	ArgFormat       BinaryFormat229	BitfieldOff     uint64230	BitfieldLen     uint64231	BitfieldUnit    uint64232	BitfieldUnitOff uint64233}234func (t *IntTypeCommon) String() string {235	return t.Name()236}237func (t *IntTypeCommon) Format() BinaryFormat {238	return t.ArgFormat239}240// Returns the size in bits for integers in binary format or 64 for string-formatted integers. The return241// value is used in computing limits and truncating other values.242func (t *IntTypeCommon) TypeBitSize() uint64 {243	if t.ArgFormat != FormatNative && t.ArgFormat != FormatBigEndian {244		// TODO: add special cases for mutation and generation of string-formatted integers.245		return 64246	}247	if t.BitfieldLen != 0 {248		return t.BitfieldLen249	}250	return t.TypeSize * 8251}252func (t *IntTypeCommon) BitfieldOffset() uint64 {253	return t.BitfieldOff254}255func (t *IntTypeCommon) BitfieldLength() uint64 {256	return t.BitfieldLen257}258func (t *IntTypeCommon) UnitSize() uint64 {259	if t.BitfieldLen != 0 {260		return t.BitfieldUnit261	}262	return t.Size()263}264func (t *IntTypeCommon) UnitOffset() uint64 {265	return t.BitfieldUnitOff266}267func (t *IntTypeCommon) IsBitfield() bool {268	return t.BitfieldLen != 0269}270type ConstType struct {271	IntTypeCommon272	Val   uint64273	IsPad bool274}275func (t *ConstType) DefaultArg(dir Dir) Arg {276	return MakeConstArg(t, dir, t.Val)277}278func (t *ConstType) isDefaultArg(arg Arg) bool {279	return arg.(*ConstArg).Val == t.Val280}281func (t *ConstType) String() string {282	if t.IsPad {283		return fmt.Sprintf("pad[%v]", t.Size())284	}285	return fmt.Sprintf("const[%v, %v]", t.Val, t.IntTypeCommon.String())286}287type IntKind int288const (289	IntPlain IntKind = iota290	IntRange291)292type IntType struct {293	IntTypeCommon294	Kind       IntKind295	RangeBegin uint64296	RangeEnd   uint64297	Align      uint64298}299func (t *IntType) DefaultArg(dir Dir) Arg {300	return MakeConstArg(t, dir, 0)301}302func (t *IntType) isDefaultArg(arg Arg) bool {303	return arg.(*ConstArg).Val == 0304}305type FlagsType struct {306	IntTypeCommon307	Vals    []uint64 // compiler ensures that it's not empty308	BitMask bool309}310func (t *FlagsType) DefaultArg(dir Dir) Arg {311	return MakeConstArg(t, dir, 0)312}313func (t *FlagsType) isDefaultArg(arg Arg) bool {314	return arg.(*ConstArg).Val == 0315}316type LenType struct {317	IntTypeCommon318	BitSize uint64 // want size in multiple of bits instead of array size319	Offset  bool   // offset from the beginning of the parent struct or base object320	Path    []string321}322func (t *LenType) DefaultArg(dir Dir) Arg {323	return MakeConstArg(t, dir, 0)324}325func (t *LenType) isDefaultArg(arg Arg) bool {326	return arg.(*ConstArg).Val == 0327}328type ProcType struct {329	IntTypeCommon330	ValuesStart   uint64331	ValuesPerProc uint64332}333const (334	MaxPids          = 32335	procDefaultValue = 0xffffffffffffffff // special value denoting 0 for all procs336)337func (t *ProcType) DefaultArg(dir Dir) Arg {338	return MakeConstArg(t, dir, procDefaultValue)339}340func (t *ProcType) isDefaultArg(arg Arg) bool {341	return arg.(*ConstArg).Val == procDefaultValue342}343type CsumKind int344const (345	CsumInet CsumKind = iota346	CsumPseudo347)348type CsumType struct {349	IntTypeCommon350	Kind     CsumKind351	Buf      string352	Protocol uint64 // for CsumPseudo353}354func (t *CsumType) String() string {355	return "csum"356}357func (t *CsumType) DefaultArg(dir Dir) Arg {358	return MakeConstArg(t, dir, 0)359}360func (t *CsumType) isDefaultArg(arg Arg) bool {361	return arg.(*ConstArg).Val == 0362}363type VmaType struct {364	TypeCommon365	RangeBegin uint64 // in pages366	RangeEnd   uint64367}368func (t *VmaType) String() string {369	return "vma"370}371func (t *VmaType) DefaultArg(dir Dir) Arg {372	return MakeSpecialPointerArg(t, dir, 0)373}374func (t *VmaType) isDefaultArg(arg Arg) bool {375	a := arg.(*PointerArg)376	return a.IsSpecial() && a.Address == 0377}378type BufferKind int379const (380	BufferBlobRand BufferKind = iota381	BufferBlobRange382	BufferString383	BufferFilename384	BufferText385)386type TextKind int387const (388	TextTarget TextKind = iota389	TextX86Real390	TextX86bit16391	TextX86bit32392	TextX86bit64393	TextArm64394)395type BufferType struct {396	TypeCommon397	Kind       BufferKind398	RangeBegin uint64   // for BufferBlobRange kind399	RangeEnd   uint64   // for BufferBlobRange kind400	Text       TextKind // for BufferText401	SubKind    string402	Values     []string // possible values for BufferString kind403	NoZ        bool     // non-zero terminated BufferString/BufferFilename404}405func (t *BufferType) String() string {406	return "buffer"407}408func (t *BufferType) DefaultArg(dir Dir) Arg {409	if dir == DirOut {410		var sz uint64411		if !t.Varlen() {412			sz = t.Size()413		}414		return MakeOutDataArg(t, dir, sz)415	}416	var data []byte417	if !t.Varlen() {418		data = make([]byte, t.Size())419	}420	return MakeDataArg(t, dir, data)421}422func (t *BufferType) isDefaultArg(arg Arg) bool {423	a := arg.(*DataArg)424	if a.Size() == 0 {425		return true426	}427	if a.Type().Varlen() {428		return false429	}430	if a.Dir() == DirOut {431		return true432	}433	for _, v := range a.Data() {434		if v != 0 {435			return false436		}437	}438	return true439}440type ArrayKind int441const (442	ArrayRandLen ArrayKind = iota443	ArrayRangeLen444)445type ArrayType struct {446	TypeCommon447	Elem       Type448	Kind       ArrayKind449	RangeBegin uint64450	RangeEnd   uint64451}452func (t *ArrayType) String() string {453	return fmt.Sprintf("array[%v]", t.Elem.String())454}455func (t *ArrayType) DefaultArg(dir Dir) Arg {456	var elems []Arg457	if t.Kind == ArrayRangeLen && t.RangeBegin == t.RangeEnd {458		for i := uint64(0); i < t.RangeBegin; i++ {459			elems = append(elems, t.Elem.DefaultArg(dir))460		}461	}462	return MakeGroupArg(t, dir, elems)463}464func (t *ArrayType) isDefaultArg(arg Arg) bool {465	a := arg.(*GroupArg)466	if !a.fixedInnerSize() && len(a.Inner) != 0 {467		return false468	}469	for _, elem := range a.Inner {470		if !isDefault(elem) {471			return false472		}473	}474	return true475}476type PtrType struct {477	TypeCommon478	Elem    Type479	ElemDir Dir480}481func (t *PtrType) String() string {482	return fmt.Sprintf("ptr[%v, %v]", t.ElemDir, t.Elem.String())483}484func (t *PtrType) DefaultArg(dir Dir) Arg {485	if t.Optional() {486		return MakeSpecialPointerArg(t, dir, 0)487	}488	return MakePointerArg(t, dir, 0, t.Elem.DefaultArg(t.ElemDir))489}490func (t *PtrType) isDefaultArg(arg Arg) bool {491	a := arg.(*PointerArg)492	if t.Optional() {493		return a.IsSpecial() && a.Address == 0494	}495	return a.Address == 0 && a.Res != nil && isDefault(a.Res)496}497type StructType struct {498	TypeCommon499	Fields    []Field500	AlignAttr uint64501}502func (t *StructType) String() string {503	return t.Name()504}505func (t *StructType) DefaultArg(dir Dir) Arg {506	inner := make([]Arg, len(t.Fields))507	for i, field := range t.Fields {508		inner[i] = field.DefaultArg(dir)509	}510	return MakeGroupArg(t, dir, inner)511}512func (t *StructType) isDefaultArg(arg Arg) bool {513	a := arg.(*GroupArg)514	for _, elem := range a.Inner {515		if !isDefault(elem) {516			return false517		}518	}519	return true520}521type UnionType struct {522	TypeCommon523	Fields []Field524}525func (t *UnionType) String() string {526	return t.Name()527}528func (t *UnionType) DefaultArg(dir Dir) Arg {529	return MakeUnionArg(t, dir, t.Fields[0].DefaultArg(dir), 0)530}531func (t *UnionType) isDefaultArg(arg Arg) bool {532	a := arg.(*UnionArg)533	return a.Index == 0 && isDefault(a.Option)534}535type ConstValue struct {536	Name  string537	Value uint64538}539type TypeCtx struct {540	Meta *Syscall541	Dir  Dir542	Ptr  *Type543}544func ForeachType(syscalls []*Syscall, f func(t Type, ctx TypeCtx)) {545	for _, meta := range syscalls {546		foreachTypeImpl(meta, true, f)547	}...

isDefault

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Println(prog.isDefault())4}5import "fmt"6func main() {7    fmt.Println(prog.isDefault())8}9import "fmt"10func main() {11    fmt.Println(prog.isDefault())12}13import "fmt"14func main() {15    fmt.Println(prog.isDefault())16}17import "fmt"18func main() {19    fmt.Println(prog.isDefault())20}21import "fmt"22func main() {23    fmt.Println(prog.isDefault())24}25import "fmt"26func main() {27    fmt.Println(prog.isDefault())28}29import "fmt"30func main() {31    fmt.Println(prog.isDefault())32}33import "fmt"34func main() {35    fmt.Println(prog.isDefault())36}37import "fmt"38func main() {39    fmt.Println(prog.isDefault())40}41import "fmt"42func main() {43    fmt.Println(prog.isDefault())44}45import "fmt"46func main() {47    fmt.Println(prog.isDefault())48}49import "fmt"50func main() {51    fmt.Println(prog.isDefault())52}53import "fmt"54func main() {55    fmt.Println(prog.isDefault

isDefault

Using AI Code Generation

1import (2type prog struct {3}4func (p *prog) isDefault() bool {5	if p.name == "" && p.age == 0 {6	}7}8func main() {9	p1 := prog{}10	fmt.Println(p1.isDefault())11}12import (13type prog struct {14}15func (p *prog) isDefault() bool {16	if p.name == "" && p.age == 0 {17	}18}19func main() {20	p1 := prog{}21	fmt.Println(p1.isDefault())22}23import (24type prog struct {25}26func (p *prog) isDefault() bool {27	if p.name == "" && p.age == 0 {28	}29}30func main() {31	p1 := prog{}32	fmt.Println(p1.isDefault())33}34import (35type prog struct {36}37func (p *prog) isDefault() bool {38	if p.name == "" && p.age == 0 {39	}40}41func main() {42	p1 := prog{}43	fmt.Println(p1.isDefault())44}45import (46type prog struct {47}48func (p *prog) isDefault() bool {49	if p.name == "" && p.age == 0 {50	}51}52func main() {53	p1 := prog{}54	fmt.Println(p

isDefault

Using AI Code Generation

1import (2type prog struct {3}4func (p prog) isDefault() bool {5}6func main() {7	p1 := prog{}8	fmt.Println(p1.isDefault())9	p2 := prog{"Naveen", 30}10	fmt.Println(p2.isDefault())11}12import (13type prog struct {14}15func (p *prog) isDefault() bool {16}17func main() {18	p1 := prog{}19	fmt.Println(p1.isDefault())20	p2 := prog{"Naveen", 30}21	fmt.Println(p2.isDefault())22}23import (24type prog struct {25}26func (p prog) isDefault() bool {27}28func main() {29	p1 := prog{}30	fmt.Println(p1.isDefault())31	p2 := prog{"Naveen", 30}32	fmt.Println(p2.isDefault())33}34import (35type prog struct {36}37func (p prog) isDefault() bool {38}39func main() {40	p1 := prog{}41	fmt.Println(p1.isDefault())42	p2 := prog{"Naveen", 30}43	fmt.Println(p2.isDefault())44}45import (46type prog struct {47}48func (p prog) isDefault() bool {49}50func main() {51	p1 := prog{}52	fmt.Println(p1.isDefault())53	p2 := prog{"Naveen", 30}54	fmt.Println(p2.isDefault())55}

isDefault

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Println("Hello, World!")4    p.isDefault()5}6import "fmt"7type prog struct {8}9func (p prog) isDefault() {10    fmt.Println("Go is the default programming language.")11}12func main() {13    fmt.Println("Hello, World!")14}15import "fmt"16type prog struct {17}18func (p prog) isDefault() {19    fmt.Println("Go is the default programming language.")20}21func (p prog) Wrapper() {22    p.isDefault()23}24func main() {25    fmt.Println("Hello, World!")26}27import "fmt"28func main() {29    fmt.Println("Hello, World!")

isDefault

Using AI Code Generation

1import (2func main() {3	p := prog.Prog{1, "Go"}4	fmt.Println(p.IsDefault())5}6type Prog struct {7}8func (p Prog) IsDefault() bool {9}10import (11func TestIsDefault(t *testing.T) {12	p := Prog{1, "Go"}13	if p.IsDefault() {14		t.Error("Expected false")15	}16}17--- FAIL: TestIsDefault (0.00s)18--- FAIL: TestIsDefault (0.00s)19--- FAIL: TestIsDefault (0.00s)20--- FAIL: TestIsDefault (0.00s)21--- FAIL: TestIsDefault (0.00s)

isDefault

Using AI Code Generation

1import "fmt"2func main() {3a:= prog{}4a.isDefault()5}6type prog struct {7}8func (p prog) isDefault() {9fmt.Println("IsDefault")10}11import "fmt"12func main() {13a:= prog{}14a.isDefault()15}16type prog struct {17}18func (p prog) isDefault() {19fmt.Println("IsDefault")20}21func (p prog) isDefault() {22fmt.Println("IsDefault")23}24import "fmt"25func main() {26a:= prog{}27a.isDefault()28}29type prog struct {30}31func (p prog) isDefault() {32fmt.Println("IsDefault")33}34func (p prog) isDefault() {35fmt.Println("IsDefault")36}

isDefault

Using AI Code Generation

1import (2func main() {3	fmt.Println("Is default value of int 0? ", prog.isDefault(0))4}5import (6type prog struct{}7func (p prog) isDefault(val interface{}) bool {8	def := reflect.Zero(reflect.TypeOf(val))9	return val == def.Interface()10}11Your name to display (optional):12Your name to display (optional):13import (14func main() {15	fmt.Println("Default value of int is", reflect.Zero(reflect.TypeOf(0)))16	fmt.Println("Default value of string is", reflect.Zero(reflect.TypeOf("")))17	fmt.Println("Default value of bool is", reflect.Zero(reflect.TypeOf(true)))18}19Your name to display (optional):

isDefault

Using AI Code Generation

1import (2func main() {3	p := new(prog)4	p.isDefault()5}6import (7type prog struct {8}9func (p *prog) isDefault() {10	fmt.Println("Hello World")11}

isDefault

Using AI Code Generation

1import (2func main() {3    fmt.Println(strings.IsDefault("Hello, playground"))4}5Example 3: Using IsDefault() Method6import (7func main() {8    fmt.Println(strings.IsDefault("Hello, playground"))9}10Example 4: Using IsDefault() Method11import (12func main() {13    fmt.Println(strings.IsDefault("Hello, playground"))14}15Example 5: Using IsDefault() Method16import (17func main() {18    fmt.Println(strings.IsDefault("Hello, playground"))19}20Example 6: Using IsDefault() Method21import (22func main() {23    fmt.Println(strings.IsDefault("Hello, playground"))24}25Example 7: Using IsDefault() Method26import (27func main() {28    fmt.Println(strings.IsDefault("Hello, playground"))29}30Example 8: Using IsDefault() Method31import (32func main() {33    fmt.Println(strings.IsDefault("Hello, playground"))34}35Example 9: Using IsDefault() Method36import (37func main() {38    fmt.Println(strings.IsDefault("Hello, playground"))39}40Example 10: Using IsDefault() Method

isDefault

Using AI Code Generation

1import (2func main() {3    fmt.Println(prog.IsDefault())4}5If you are using Go modules, you can import the package using the following command:6If you are not using Go modules, you can import the package using the following command:

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