Major overhaul of the portability stuff; port to autoconf 2.52

config.h

@@ -0,0 +1,144 @@
+/* -*- c -*- ------------------------------------------------------------- *
+ *   
+ *   Copyright 2001 H. Peter Anvin - All Rights Reserved
+ *
+ *   This program is free software available under the same license
+ *   as the "OpenBSD" operating system, distributed at
+ *   http://www.openbsd.org/.
+ *
+ * ----------------------------------------------------------------------- */
+/* $Id$ */
+
+/*
+ * config.h
+ *
+ * Sets up a common baseline environment, based on "autoconf" findings...
+ */
+
+#ifndef CONFIG_H
+#define CONFIG_H 1
+
+/* Must be included before we include any system headers! */
+#include "acconfig.h"
+
+/* Standard includes */
+
+#include <stdio.h>
+
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+
+#ifdef HAVE_SYS_STAT_H
+#include <sys/stat.h>
+#endif
+
+#ifdef STDC_HEADERS
+#include <stdlib.h>
+#include <stddef.h>
+#else
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#endif
+
+#ifdef HAVE_MEMORY_H
+#ifndef STDC_HEADERS
+#include <memory.h>
+#endif
+#endif
+
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif
+
+#ifdef HAVE_STRINGS_H
+#include <strings.h>
+#endif 
+
+#ifdef HAVE_INTTYPES_H
+#include <inttypes.h>
+#else
+#ifdef HAVE_STDINT_H
+#include <stdint.h>
+#endif
+#endif
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#include <setjmp.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
+
+/* If we don't have intmax_t, try creating it */
+
+#ifndef HAVE_INTMAX_T
+#ifdef HAVE_LONG_LONG
+typedef long long intmax_t;
+typedef unsigned long long uintmax_t;
+#define PRIdMAX	"%Ld"
+#define PRIuMAX "%Lu"
+#define PRIxMAX "%Lx"
+#define INTMAX_C(x)  (x##LL)
+#define UINTMAX_C(x) (x##ULL)
+#define strtoumax(p,e,b) strtoull(p,e,b)
+#else
+typedef long intmax_t;
+typedef unsigned long uintmax_t;
+#define PRIdMAX "%ld"
+#define PRIuMAX "%lu"
+#define PRIxMAX "%lx"
+#define INTMAX_C(x)  (x##L)
+#define UINTMAX_C(x) (x##UL)
+#define strtoumax(p,e,b) strtoul(p,e,b)
+#endif
+#endif
+
+#ifdef HAVE_SYSEXITS_H
+#include <sysexits.h>
+#else
+#define EX_USAGE        64      /* command line usage error */
+#define EX_DATAERR      65      /* data format error */
+#define EX_NOINPUT      66      /* cannot open input */
+#define EX_NOUSER       67      /* addressee unknown */
+#define EX_NOHOST       68      /* host name unknown */
+#define EX_UNAVAILABLE  69      /* service unavailable */
+#define EX_SOFTWARE     70      /* internal software error */
+#define EX_OSERR        71      /* system error (e.g., can't fork) */
+#define EX_OSFILE       72      /* critical OS file missing */
+#define EX_CANTCREAT    73      /* can't create (user) output file */
+#define EX_IOERR        74      /* input/output error */
+#define EX_TEMPFAIL     75      /* temp failure; user is invited to retry */
+#define EX_PROTOCOL     76      /* remote error in protocol */
+#define EX_NOPERM       77      /* permission denied */
+#define EX_CONFIG       78      /* configuration error */
+#endif
+
+/* If we don't have sigsetjmp() et all, setjmp() will have to do */
+
+#ifndef HAVE_SIGSETJMP
+#define sigsetjmp(x,y)  setjmp(x)
+#define siglongjmp(x,y) longjmp(x,y)
+#define sigjmp_buf jmp_buf
+#endif
+
+/* How do we annotate unused data items? */
+
+#ifndef UNUSED
+#ifdef __GNUC__
+#define UNUSED __attribute__((unused))
+#else
+#define UNUSED
+#endif
+#endif
+
+/* Sometimes IPPORT_TFTP isn't defined */
+#ifndef HAVE_IPPORT_TFTP_DEFINITION
+#ifndef IPPORT_TFTP
+#define IPPORT_TFTP 69
+#endif
+#endif
+
+#endif