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