1 files changed, 98 insertions, 0 deletions
diff --git a/sysdeps/unix/errnos-tmpl.c b/sysdeps/unix/errnos-tmpl.c
new file mode 100644
index 0000000000..67611fd7b6
--- /dev/null
+++ b/sysdeps/unix/errnos-tmpl.c
@@ -0,0 +1,98 @@
+/* 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);
+}