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rtems-utils.h: Create ostream_guard

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Ryan Long
2021-07-20 09:51:34 -04:00
committed by Joel Sherrill
parent 23808864e3
commit 68348ad39f
1 changed files with 20 additions and 0 deletions
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20
rtemstoolkit/rtems-utils.h
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@@ -47,6 +47,26 @@ namespace rtems
bool real = false, bool real = false,
size_t line_length = 16, size_t line_length = 16,
uint32_t offset = 0); uint32_t offset = 0);
/*
* Save and restore the output stream's settings.
*/
struct ostream_guard {
std::ostream& o;
std::ios_base::fmtflags flags;
ostream_guard (std::ostream& o_)
: o (o_),
flags (o_.flags ())
{
}
~ostream_guard ()
{
o.flags(flags);
}
};
} }
} }