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@@ -2202,7 +2202,7 @@ implementation
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function ReadSection: Boolean;
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var
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SectionId: Byte;
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- SectionSize: uint64;
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+ SectionSize: uint32;
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SectionStart: LongInt;
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TypeSectionRead: Boolean = false;
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@@ -2315,7 +2315,7 @@ implementation
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function ReadImportSection: Boolean;
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var
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ImportsCount, typidx, TableLimitsMin, TableLimitsMax,
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- MemoryLimitsMin, MemoryLimitsMax: uint64;
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+ MemoryLimitsMin, MemoryLimitsMax: uint32;
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i: Integer;
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ModName, Name: ansistring;
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ImportType, TableElemTyp, TableLimitsKind, MemoryLimitsKind,
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@@ -2329,7 +2329,7 @@ implementation
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exit;
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end;
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ImportSectionRead:=True;
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- if not ReadUleb(AReader,ImportsCount) then
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+ if not ReadUleb32(AReader,ImportsCount) then
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begin
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InputError('Error reading the imports count');
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exit;
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@@ -2339,11 +2339,6 @@ implementation
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InputError('The imports count stretches beyond the end of the import section');
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exit;
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end;
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- if ImportsCount>high(uint32) then
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- begin
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- InputError('The imports count does not fit in an unsigned 32-bit int');
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- exit;
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- end;
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for i:=0 to ImportsCount-1 do
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begin
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if not ReadName(AReader,ModName) then
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@@ -2364,7 +2359,7 @@ implementation
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case ImportType of
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$00: { func }
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begin
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- if not ReadUleb(AReader,typidx) then
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+ if not ReadUleb32(AReader,typidx) then
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begin
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InputError('Error reading type index for func import');
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exit;
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@@ -2400,39 +2395,24 @@ implementation
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case TableLimitsKind of
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$00:
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begin
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- if not ReadUleb(AReader,TableLimitsMin) then
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+ if not ReadUleb32(AReader,TableLimitsMin) then
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begin
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InputError('Error reading table limits min for table import');
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exit;
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end;
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- if TableLimitsMin>high(uint32) then
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- begin
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- InputError('Table limits min does not fit in an unsigned 32-bit int');
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- exit;
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- end;
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end;
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$01:
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begin
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- if not ReadUleb(AReader,TableLimitsMin) then
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+ if not ReadUleb32(AReader,TableLimitsMin) then
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begin
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InputError('Error reading table limits min for table import');
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exit;
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end;
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- if TableLimitsMin>high(uint32) then
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- begin
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- InputError('Table limits min does not fit in an unsigned 32-bit int');
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- exit;
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- end;
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- if not ReadUleb(AReader,TableLimitsMax) then
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+ if not ReadUleb32(AReader,TableLimitsMax) then
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begin
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InputError('Error reading table limits max for table import');
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exit;
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end;
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- if TableLimitsMax>high(uint32) then
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- begin
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- InputError('Table limits max does not fit in an unsigned 32-bit int');
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- exit;
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- end;
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if TableLimitsMin>TableLimitsMax then
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begin
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InputError('Table limits min exceed table limits max in table import');
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@@ -2456,39 +2436,24 @@ implementation
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case MemoryLimitsKind of
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$00:
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begin
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- if not ReadUleb(AReader,MemoryLimitsMin) then
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+ if not ReadUleb32(AReader,MemoryLimitsMin) then
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begin
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InputError('Error reading memory limits min for memory import');
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exit;
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end;
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- if MemoryLimitsMin>high(uint32) then
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- begin
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- InputError('Memory limits min does not fit in an unsigned 32-bit int');
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- exit;
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- end;
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end;
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$01:
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begin
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- if not ReadUleb(AReader,MemoryLimitsMin) then
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+ if not ReadUleb32(AReader,MemoryLimitsMin) then
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begin
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InputError('Error reading memory limits min for memory import');
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exit;
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end;
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- if MemoryLimitsMin>high(uint32) then
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- begin
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- InputError('Memory limits min does not fit in an unsigned 32-bit int');
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- exit;
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- end;
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- if not ReadUleb(AReader,MemoryLimitsMax) then
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+ if not ReadUleb32(AReader,MemoryLimitsMax) then
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begin
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InputError('Error reading memory limits max for memory import');
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exit;
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end;
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- if MemoryLimitsMax>high(uint32) then
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- begin
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- InputError('Memory limits max does not fit in an unsigned 32-bit int');
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- exit;
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- end;
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if MemoryLimitsMin>MemoryLimitsMax then
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begin
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InputError('Memory limits min exceed memory limits max in memory import');
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@@ -2548,7 +2513,7 @@ implementation
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function ReadFunctionSection: Boolean;
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var
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- FunctionsCount, typidx: uint64;
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+ FunctionsCount, typidx: uint32;
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i: Integer;
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begin
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Result:=False;
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@@ -2558,7 +2523,7 @@ implementation
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exit;
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end;
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FunctionSectionRead:=True;
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- if not ReadUleb(AReader,FunctionsCount) then
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+ if not ReadUleb32(AReader,FunctionsCount) then
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begin
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InputError('Error reading the functions count');
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exit;
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@@ -2568,14 +2533,9 @@ implementation
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InputError('The functions count stretches beyond the end of the function section');
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exit;
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end;
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- if FunctionsCount>high(uint32) then
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- begin
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- InputError('The functions count does not fit in an unsigned 32-bit int');
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- exit;
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- end;
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for i:=0 to FunctionsCount-1 do
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begin
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- if not ReadUleb(AReader,typidx) then
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+ if not ReadUleb32(AReader,typidx) then
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begin
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InputError('Error reading type index for function');
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exit;
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@@ -2616,7 +2576,7 @@ implementation
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function ReadDataCountSection: Boolean;
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var
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- v: uint64;
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+ v: uint32;
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begin
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Result:=False;
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if DataCountSectionRead then
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@@ -2625,16 +2585,11 @@ implementation
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exit;
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end;
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DataCountSectionRead:=True;
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- if not ReadUleb(AReader,v) then
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+ if not ReadUleb32(AReader,v) then
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begin
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InputError('Error reading the data count from the data count section');
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exit;
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end;
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- if v>high(uint32) then
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- begin
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- InputError('Data count does not fit in an unsigned 32-bit int');
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- exit;
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- end;
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DataCount:=v;
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if AReader.Pos<>(SectionStart+SectionSize) then
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begin
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@@ -2651,16 +2606,11 @@ implementation
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InputError('Error reading section ID');
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exit;
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end;
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- if not ReadUleb(AReader,SectionSize) then
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+ if not ReadUleb32(AReader,SectionSize) then
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begin
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InputError('Error reading section size');
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exit;
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end;
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- if SectionSize>high(uint32) then
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- begin
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- InputError('Invalid section size');
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- exit;
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- end;
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if (AReader.Pos+SectionSize)>AReader.size then
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begin
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InputError('Section exceeds beyond the end of file');
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Nikolay Nikolov