On Mon, Sep 01, 2025 at 03:55:55PM -0400, Thomas Dickey wrote:
> On Tue, Aug 26, 2025 at 07:21:02PM +0200, наб wrote:
> > Package: cproto
> > Version: 4.7x-1
> > Severity: normal
> > Tags: upstream
> >
> > Dear Maintainer,
> >
> > cproto -E '/bin/cpp' -D'ARGS_DECL(...)=__VA_ARGS__' -{P,F,C}"int f(a, b)"
> > exec.c
> > /* exec.c */
> > sh: 1: Syntax error: "(" unexpected
> > and a strace reveals
> > 3076044 execve("/bin/sh", ["sh", "-c", "/bin/cpp
> > -DARGS_DECL(...)=__VA_A"...], 0x7fff30971dc0 /* 32 vars */ <unfinished ...>
> > this seems obviously wrong, considering that -D is described as
> > This option is passed through to the preprocessor
>
> actually it's what you get with popen.
> The updated manpage says it uses a pipe.The updated manpage also clarifies the known limitations of cproto's built-in support for preprocessor directives which prevent its being used for general-purpose transformation of source code. This bug can be either closed (wontfix) or changed to a wishlist item. In either case, it's unlikely that someone's going to write a full-fledged C preprocessor which can be used in this application. -- Thomas E. Dickey <[email protected]> https://invisible-island.net
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