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-rw-r--r--lib/Option/Option.cpp12
1 files changed, 8 insertions, 4 deletions
diff --git a/lib/Option/Option.cpp b/lib/Option/Option.cpp
index 10662a3..cdc63c3 100644
--- a/lib/Option/Option.cpp
+++ b/lib/Option/Option.cpp
@@ -169,7 +169,8 @@ Arg *Option::accept(const ArgList &Args,
return nullptr;
Index += 2;
- if (Index > Args.getNumInputArgStrings())
+ if (Index > Args.getNumInputArgStrings() ||
+ Args.getArgString(Index - 1) == nullptr)
return nullptr;
return new Arg(UnaliasedOption, Spelling,
@@ -200,7 +201,8 @@ Arg *Option::accept(const ArgList &Args,
// Otherwise it must be separate.
Index += 2;
- if (Index > Args.getNumInputArgStrings())
+ if (Index > Args.getNumInputArgStrings() ||
+ Args.getArgString(Index - 1) == nullptr)
return nullptr;
return new Arg(UnaliasedOption, Spelling,
@@ -209,7 +211,8 @@ Arg *Option::accept(const ArgList &Args,
case JoinedAndSeparateClass:
// Always matches.
Index += 2;
- if (Index > Args.getNumInputArgStrings())
+ if (Index > Args.getNumInputArgStrings() ||
+ Args.getArgString(Index - 1) == nullptr)
return nullptr;
return new Arg(UnaliasedOption, Spelling, Index - 2,
@@ -221,7 +224,8 @@ Arg *Option::accept(const ArgList &Args,
if (ArgSize != strlen(Args.getArgString(Index)))
return nullptr;
Arg *A = new Arg(UnaliasedOption, Spelling, Index++);
- while (Index < Args.getNumInputArgStrings())
+ while (Index < Args.getNumInputArgStrings() &&
+ Args.getArgString(Index) != nullptr)
A->getValues().push_back(Args.getArgString(Index++));
return A;
}