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Improve make-docfile.c for C23

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* lib-src/make-docfile.c (write_c_args): Don’t diagnose “()”.
In C23 it’s equivalent to (void), and it works fine (albeit with
less type-checking) in older C.  Omit first arg, which is no
longer needed.  Caller changed.
This commit is contained in:
Paul Eggert 2025-12-14 14:45:49 -08:00
parent 51b8a7c7cb
commit 1269bbdaa9
1 changed files with 5 additions and 6 deletions
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9
lib-src/make-docfile.c
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@ -485,7 +485,7 @@ read_c_string_or_comment (FILE *infile, int printflag, bool comment,
MINARGS and MAXARGS are the minimum and maximum number of arguments. */
static void
write_c_args (char *func, char *buf, int minargs, int maxargs)
write_c_args (char *buf, int minargs, int maxargs)
{
char *p;
bool in_ident = false;
@ -522,10 +522,7 @@ write_c_args (char *func, char *buf, int minargs, int maxargs)
if (c == ',' || c == ')')
{
if (ident_length == 0)
{
error ("empty arg list for '%s' should be (void), not ()", func);
continue;
}
if (strncmp (ident_start, "void", ident_length) == 0)
continue;
@ -551,6 +548,8 @@ write_c_args (char *func, char *buf, int minargs, int maxargs)
c = '-';
putchar (c);
}
ident_length = 0;
}
}
@ -1220,7 +1219,7 @@ scan_c_stream (FILE *infile)
*p = '\0';
/* Output them. */
fputs ("\n\n", stdout);
write_c_args (input_buffer, argbuf, minargs, maxargs);
write_c_args (argbuf, minargs, maxargs);
}
else if (defunflag && maxargs == -1 && !saw_usage)
/* The DOC should provide the usage form. */