Author: bryanpkc
Date: Wed May 4 12:24:31 2016
New Revision: 268520
URL: http://llvm.org/viewvc/llvm-project?rev=268520&view=rev
Log:
Fix a SIGSEGV caused by dereferencing a pointer without a null check
Modified:
lldb/trunk/source/Plugins/SymbolFile/DWARF/DWARFCompileUnit.cpp
Modified: lldb/trunk/source/Plugins/SymbolFile/DWARF/DWARFCompileUnit.cpp
URL:
http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/SymbolFile/DWARF/DWARFCompileUnit.cpp?rev=268520&r1=268519&r2=268520&view=diff
==============================================================================
--- lldb/trunk/source/Plugins/SymbolFile/DWARF/DWARFCompileUnit.cpp (original)
+++ lldb/trunk/source/Plugins/SymbolFile/DWARF/DWARFCompileUnit.cpp Wed May 4
12:24:31 2016
@@ -943,7 +943,7 @@ DWARFCompileUnit::IndexPrivate (DWARFCom
// as our name. If it starts with '_', then it is ok, else
compare
// the string to make sure it isn't the same and we don't
end up
// with duplicate entries
- if (name != mangled_cstr && ((mangled_cstr[0] == '_') ||
(name && ::strcmp(name, mangled_cstr) != 0)))
+ if (name && name != mangled_cstr && ((mangled_cstr[0] ==
'_') || (::strcmp(name, mangled_cstr) != 0)))
{
Mangled mangled (ConstString(mangled_cstr), true);
func_fullnames.Insert (mangled.GetMangledName(),
DIERef(cu_offset, die.GetOffset()));
@@ -966,7 +966,7 @@ DWARFCompileUnit::IndexPrivate (DWARFCom
// as our name. If it starts with '_', then it is ok, else
compare
// the string to make sure it isn't the same and we don't
end up
// with duplicate entries
- if (name != mangled_cstr && ((mangled_cstr[0] == '_') ||
(::strcmp(name, mangled_cstr) != 0)))
+ if (name && name != mangled_cstr && ((mangled_cstr[0] ==
'_') || (::strcmp(name, mangled_cstr) != 0)))
{
Mangled mangled (ConstString(mangled_cstr), true);
func_fullnames.Insert (mangled.GetMangledName(),
DIERef(cu_offset, die.GetOffset()));
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