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strace: Interpret errno codes for pointer-like return codes

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Ben Wiederhake 2021-11-07 15:01:59 +01:00 • committed by Andreas Kling
parent 81b6be4bf4
commit 4512e89159
1 changed files with 6 additions and 1 deletions
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7
Userland/Utilities/strace.cpp
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@ -386,7 +386,12 @@ public:
void format_result(void* res) void format_result(void* res)
{ {
m_builder.appendff(") = {}\n", res); if (res == MAP_FAILED)
m_builder.append(") = MAP_FAILED\n");
else if (FlatPtr(res) > FlatPtr(-EMAXERRNO))
m_builder.appendff(") = {} {}\n", res, errno_name(-static_cast<int>(FlatPtr(res))));
else
m_builder.appendff(") = {}\n", res);
} }
void format_result() void format_result()