compat.h (3017B)
1 // $Id$ --*- c++ -*-- 2 3 // Copyright (C) 2003 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de> 4 // 5 // This program is free software; you can redistribute it and/or modify 6 // it under the terms of the GNU General Public License as published by 7 // the Free Software Foundation; version 2 of the License. 8 // 9 // This program is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU General Public License for more details. 13 // 14 // You should have received a copy of the GNU General Public License 15 // along with this program; if not, write to the Free Software 16 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 17 18 19 #ifndef H_UTIL_VSERVER_COMPAT_H 20 #define H_UTIL_VSERVER_COMPAT_H 21 22 #if defined(__dietlibc__) && !defined(ENSC_DIETLIBC_C99) && defined(__STRICT_ANSI__) && defined(__STDC_VERSION__) 23 # include <sys/cdefs.h> 24 # undef inline 25 26 # undef __STRICT_ANSI__ 27 # include <stdint.h> 28 # define __STRICT_ANSI__ 29 #endif 30 31 #if defined(__dietlibc__) 32 # define ENSC_FIX_IOCTL(X) do { if ((X)<-1) { errno=-(X); (X) = -1; } } while (0) 33 #else 34 # define ENSC_FIX_IOCTL(X) do { } while (0) 35 #endif 36 37 #if defined(__GNUC__) 38 # define UNUSED __attribute__((__unused__)) 39 # define NORETURN __attribute__((__noreturn__)) 40 # define CONST __attribute__((__const__)) 41 # if __GNUC__*0x10000 + __GNUC_MINOR__*0x100 + __GNUC_PATCHLEVEL__ >= 0x30300 42 # define NONNULL(ARGS) __attribute__((__nonnull__ ARGS)) 43 # define ALWAYSINLINE __attribute__((__always_inline__)) 44 # else 45 # define NONNULL(ARGS) 46 # define ALWAYSINLINE 47 # define PURE 48 # endif 49 # if __GNUC__*0x10000 + __GNUC_MINOR__*0x100 + __GNUC_PATCHLEVEL__ >= 0x30303 50 # define PURE __attribute__((__pure__)) 51 # else 52 # define PURE 53 # endif 54 #else 55 # define NONNULL(ARGS) 56 # define UNUSED 57 # define NORETURN 58 # define ALWAYSINLINE 59 # define PURE 60 # define CONST 61 #endif 62 63 // shamelessly stolen from dietlibc 64 #define LINK_WARNING(symbol,msg) \ 65 __asm__ (".section .gnu.warning." symbol "\n\t.string \"" msg "\"\n\t.previous") 66 67 #if !defined(__builtin_expect) && (__GNUC__+0)<3 68 # define __builtin_expect(foo,bar) (foo) 69 #endif 70 71 #if !defined(__STDC_VERSION__) || (__STDC_VERSION__<199901L) 72 # define restrict 73 #endif 74 75 #if !defined(HAVE_DECL_MS_MOVE) || !(HAVE_DECL_MS_MOVE) 76 // from <linux/fs.h> 77 # define MS_MOVE 8192 78 #endif 79 80 #ifndef HAVE_XID_T 81 #include <stdint.h> 82 typedef uint32_t xid_t; 83 #endif 84 85 #ifndef HAVE_NID_T 86 #include <stdint.h> 87 typedef uint32_t nid_t; 88 #endif 89 90 #ifndef HAVE_TAG_T 91 #include <stdint.h> 92 typedef uint32_t tag_t; 93 #endif 94 95 96 #ifndef TEMP_FAILURE_RETRY 97 #define TEMP_FAILURE_RETRY(expression) \ 98 (__extension__ \ 99 ({ long int __result; \ 100 do __result = (long int) (expression); \ 101 while (__result == -1L && errno == EINTR); \ 102 __result; })) 103 #endif 104 105 #define FMT_PREFIX utilvserver_fmt_ 106 107 #endif // H_UTIL_VSERVER_COMPAT_H