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Index <cstarg> macros #7615

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Feb 10, 2025
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Index <cstarg> macros #7615

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476bc82
[cstdarg.syn] Directly index contents of header synopsis
AlisdairM Feb 4, 2025
b77c4e5
[expr.call][expr.const] Index use of `va_arg` macro
AlisdairM Feb 4, 2025
a152372
[expr.const][cstdarg.syn] Index use of `va_start` macro
AlisdairM Feb 4, 2025
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6 changes: 3 additions & 3 deletions source/expressions.tex
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Original file line number Diff line number Diff line change
Expand Up @@ -3511,7 +3511,7 @@
\indextext{ellipsis!conversion sequence}%
When there is no parameter for a given argument, the argument is passed
in such a way that the receiving function can obtain the value of the
argument by invoking \tcode{va_arg}\iref{support.runtime}.
argument by invoking \libmacro{va_arg}\iref{support.runtime}.
\begin{note}
This paragraph does not apply to arguments passed to a function parameter pack.
Function parameter packs are expanded during template instantiation\iref{temp.variadic},
Expand Down Expand Up @@ -7912,7 +7912,7 @@
an \grammarterm{asm-declaration}\iref{dcl.asm};

\item
an invocation of the \tcode{va_arg} macro\iref{cstdarg.syn};
an invocation of the \libmacro{va_arg} macro\iref{cstdarg.syn};

\item
a non-constant library call\iref{defns.nonconst.libcall};
Expand Down Expand Up @@ -7944,7 +7944,7 @@
an operation that has undefined behavior
as specified in \ref{library} through \ref{\lastlibchapter} or
\item
an invocation of the \tcode{va_start} macro\iref{cstdarg.syn}.
an invocation of the \libmacro{va_start} macro\iref{cstdarg.syn}.
\end{itemize}

\pnum
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18 changes: 6 additions & 12 deletions source/support.tex
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Expand Up @@ -5993,21 +5993,16 @@
\rSec2[cstdarg.syn]{Header \tcode{<cstdarg>} synopsis}

\indexheader{cstdarg}%
\indexlibraryglobal{va_list}%
\indexlibraryglobal{va_start}%
\indexlibraryglobal{va_copy}%
\indexlibraryglobal{va_end}%
\indexlibraryglobal{va_arg}%
\begin{codeblock}
// all freestanding
namespace std {
using va_list = @\seebelow@;
using @\libglobal{va_list}@ = @\seebelow@;
}

#define va_arg(V, P) @\seebelow@
#define va_copy(VDST, VSRC) @\seebelow@
#define va_end(V) @\seebelow@
#define va_start(V, P) @\seebelow@
#define @\libmacro{va_arg}@(V, P) @\seebelow@
#define @\libmacro{va_copy}@(VDST, VSRC) @\seebelow@
#define @\libmacro{va_end}@(V) @\seebelow@
#define @\libmacro{va_start}@(V, P) @\seebelow@
\end{codeblock}

\pnum
Expand All @@ -6019,8 +6014,7 @@
the definition in~\ref{expr.call} applies.
\item
The restrictions that C places on the second parameter to the
\indexlibraryglobal{va_start}%
\tcode{va_start} macro in header \libheader{stdarg.h}
\libmacro{va_start} macro in header \libheader{stdarg.h}
are different in this document.
The parameter
\tcode{parmN}
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