mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-18 11:00:07 +00:00
99 lines
2.5 KiB
C
99 lines
2.5 KiB
C
/* Copyright (C) 1991, 1993 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2, or (at your option)
|
|
any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with the GNU C Library; see the file COPYING. If not, write to
|
|
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
|
|
|
|
#include <errno.h>
|
|
|
|
static char iferrno[] = "#ifdef _ERRNO_H";
|
|
static char endiferrno[] = "#endif /* <errno.h> included. */";
|
|
static char ifEmath[] = "#if !defined(__Emath_defined) && \
|
|
(defined(_ERRNO_H) || defined(__need_Emath))";
|
|
static char endifEmath[] = "#endif /* Emath not defined and <errno.h> \
|
|
included or need Emath. */";
|
|
|
|
static int biggest_value = 0;
|
|
static int done_ENOSYS = 0;
|
|
static int done_ERANGE = 0, done_EDOM = 0;
|
|
|
|
static void
|
|
DO(name, value)
|
|
char *name;
|
|
int value;
|
|
{
|
|
int is_ERANGE = !done_ERANGE && !strcmp(name, "ERANGE");
|
|
int is_EDOM = !done_EDOM && !strcmp(name, "EDOM");
|
|
int is_Emath = is_ERANGE || is_EDOM;
|
|
|
|
if (is_Emath)
|
|
{
|
|
puts(endiferrno);
|
|
puts(ifEmath);
|
|
}
|
|
|
|
if (!strcmp (name, "EWOULDBLOCK"))
|
|
{
|
|
puts ("#define EWOULDBLOCK EAGAIN /* Translated in glibc. */");
|
|
name = "EWOULDBLOCK_sys /* Value actually returned by kernel. */";
|
|
}
|
|
|
|
printf ("#define %s %d\n", name, value);
|
|
|
|
if (is_Emath)
|
|
{
|
|
puts(endifEmath);
|
|
puts(iferrno);
|
|
}
|
|
|
|
if (value > biggest_value)
|
|
biggest_value = value;
|
|
|
|
if (is_ERANGE)
|
|
done_ERANGE = 1;
|
|
else if (is_EDOM)
|
|
done_EDOM = 1;
|
|
else if (!done_ENOSYS && !strcmp(name, "ENOSYS"))
|
|
done_ENOSYS = 1;
|
|
}
|
|
|
|
int
|
|
main()
|
|
{
|
|
puts(iferrno);
|
|
|
|
ERRNOS;
|
|
|
|
if (!done_EDOM || !done_ERANGE)
|
|
{
|
|
puts(endiferrno);
|
|
puts(ifEmath);
|
|
if (!done_EDOM)
|
|
printf("#define EDOM %d\n", ++biggest_value);
|
|
if (!done_ERANGE)
|
|
printf("#define ERANGE %d\n", ++biggest_value);
|
|
puts(endifEmath);
|
|
}
|
|
|
|
if (!done_ENOSYS)
|
|
printf("#define ENOSYS %d\n", ++biggest_value);
|
|
|
|
puts(endiferrno);
|
|
|
|
puts("#undef __need_Emath");
|
|
puts("#ifndef __Emath_defined\n#define __Emath_defined 1\n#endif");
|
|
|
|
exit(0);
|
|
}
|