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arch.h

00001 /*
00002  * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
00003  * All rights reserved. 
00004  * 
00005  * Redistribution and use in source and binary forms, with or without modification, 
00006  * are permitted provided that the following conditions are met:
00007  *
00008  * 1. Redistributions of source code must retain the above copyright notice,
00009  *    this list of conditions and the following disclaimer.
00010  * 2. Redistributions in binary form must reproduce the above copyright notice,
00011  *    this list of conditions and the following disclaimer in the documentation
00012  *    and/or other materials provided with the distribution.
00013  * 3. The name of the author may not be used to endorse or promote products
00014  *    derived from this software without specific prior written permission. 
00015  *
00016  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
00017  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
00018  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
00019  * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
00020  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
00021  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
00022  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
00023  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
00024  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
00025  * OF SUCH DAMAGE.
00026  *
00027  * This file is part of the lwIP TCP/IP stack.
00028  * 
00029  * Author: Adam Dunkels <adam@sics.se>
00030  *
00031  */
00032 #ifndef __LWIP_ARCH_H__
00033 #define __LWIP_ARCH_H__
00034 
00035 #ifndef LITTLE_ENDIAN
00036 #define LITTLE_ENDIAN 1234
00037 #endif
00038 
00039 #ifndef BIG_ENDIAN
00040 #define BIG_ENDIAN 4321
00041 #endif
00042 
00043 #include "arch/cc.h"
00044 
00045 /** Temporary: define format string for size_t if not defined in cc.h */
00046 #ifndef SZT_F
00047 #define SZT_F U32_F
00048 #endif /* SZT_F */
00049 /** Temporary upgrade helper: define format string for u8_t as hex if not
00050     defined in cc.h */
00051 #ifndef X8_F
00052 #define X8_F  "02x"
00053 #endif /* X8_F */
00054 
00055 #ifdef __cplusplus
00056 extern "C" {
00057 #endif
00058 
00059 #ifndef PACK_STRUCT_BEGIN
00060 #define PACK_STRUCT_BEGIN
00061 #endif /* PACK_STRUCT_BEGIN */
00062 
00063 #ifndef PACK_STRUCT_END
00064 #define PACK_STRUCT_END
00065 #endif /* PACK_STRUCT_END */
00066 
00067 #ifndef PACK_STRUCT_FIELD
00068 #define PACK_STRUCT_FIELD(x) x
00069 #endif /* PACK_STRUCT_FIELD */
00070 
00071 
00072 #ifndef LWIP_UNUSED_ARG
00073 #define LWIP_UNUSED_ARG(x) (void)x
00074 #endif /* LWIP_UNUSED_ARG */ 
00075 
00076 
00077 #ifdef LWIP_PROVIDE_ERRNO
00078 
00079 #define  EPERM         1  /* Operation not permitted */
00080 #define  ENOENT        2  /* No such file or directory */
00081 #define  ESRCH         3  /* No such process */
00082 #define  EINTR         4  /* Interrupted system call */
00083 #define  EIO           5  /* I/O error */
00084 #define  ENXIO         6  /* No such device or address */
00085 #define  E2BIG         7  /* Arg list too long */
00086 #define  ENOEXEC       8  /* Exec format error */
00087 #define  EBADF         9  /* Bad file number */
00088 #define  ECHILD       10  /* No child processes */
00089 #define  EAGAIN       11  /* Try again */
00090 #define  ENOMEM       12  /* Out of memory */
00091 #define  EACCES       13  /* Permission denied */
00092 #define  EFAULT       14  /* Bad address */
00093 #define  ENOTBLK      15  /* Block device required */
00094 #define  EBUSY        16  /* Device or resource busy */
00095 #define  EEXIST       17  /* File exists */
00096 #define  EXDEV        18  /* Cross-device link */
00097 #define  ENODEV       19  /* No such device */
00098 #define  ENOTDIR      20  /* Not a directory */
00099 #define  EISDIR       21  /* Is a directory */
00100 #define  EINVAL       22  /* Invalid argument */
00101 #define  ENFILE       23  /* File table overflow */
00102 #define  EMFILE       24  /* Too many open files */
00103 #define  ENOTTY       25  /* Not a typewriter */
00104 #define  ETXTBSY      26  /* Text file busy */
00105 #define  EFBIG        27  /* File too large */
00106 #define  ENOSPC       28  /* No space left on device */
00107 #define  ESPIPE       29  /* Illegal seek */
00108 #define  EROFS        30  /* Read-only file system */
00109 #define  EMLINK       31  /* Too many links */
00110 #define  EPIPE        32  /* Broken pipe */
00111 #define  EDOM         33  /* Math argument out of domain of func */
00112 #define  ERANGE       34  /* Math result not representable */
00113 #define  EDEADLK      35  /* Resource deadlock would occur */
00114 #define  ENAMETOOLONG 36  /* File name too long */
00115 #define  ENOLCK       37  /* No record locks available */
00116 #define  ENOSYS       38  /* Function not implemented */
00117 #define  ENOTEMPTY    39  /* Directory not empty */
00118 #define  ELOOP        40  /* Too many symbolic links encountered */
00119 #define  EWOULDBLOCK  EAGAIN  /* Operation would block */
00120 #define  ENOMSG       42  /* No message of desired type */
00121 #define  EIDRM        43  /* Identifier removed */
00122 #define  ECHRNG       44  /* Channel number out of range */
00123 #define  EL2NSYNC     45  /* Level 2 not synchronized */
00124 #define  EL3HLT       46  /* Level 3 halted */
00125 #define  EL3RST       47  /* Level 3 reset */
00126 #define  ELNRNG       48  /* Link number out of range */
00127 #define  EUNATCH      49  /* Protocol driver not attached */
00128 #define  ENOCSI       50  /* No CSI structure available */
00129 #define  EL2HLT       51  /* Level 2 halted */
00130 #define  EBADE        52  /* Invalid exchange */
00131 #define  EBADR        53  /* Invalid request descriptor */
00132 #define  EXFULL       54  /* Exchange full */
00133 #define  ENOANO       55  /* No anode */
00134 #define  EBADRQC      56  /* Invalid request code */
00135 #define  EBADSLT      57  /* Invalid slot */
00136 
00137 #define  EDEADLOCK    EDEADLK
00138 
00139 #define  EBFONT       59  /* Bad font file format */
00140 #define  ENOSTR       60  /* Device not a stream */
00141 #define  ENODATA      61  /* No data available */
00142 #define  ETIME        62  /* Timer expired */
00143 #define  ENOSR        63  /* Out of streams resources */
00144 #define  ENONET       64  /* Machine is not on the network */
00145 #define  ENOPKG       65  /* Package not installed */
00146 #define  EREMOTE      66  /* Object is remote */
00147 #define  ENOLINK      67  /* Link has been severed */
00148 #define  EADV         68  /* Advertise error */
00149 #define  ESRMNT       69  /* Srmount error */
00150 #define  ECOMM        70  /* Communication error on send */
00151 #define  EPROTO       71  /* Protocol error */
00152 #define  EMULTIHOP    72  /* Multihop attempted */
00153 #define  EDOTDOT      73  /* RFS specific error */
00154 #define  EBADMSG      74  /* Not a data message */
00155 #define  EOVERFLOW    75  /* Value too large for defined data type */
00156 #define  ENOTUNIQ     76  /* Name not unique on network */
00157 #define  EBADFD       77  /* File descriptor in bad state */
00158 #define  EREMCHG      78  /* Remote address changed */
00159 #define  ELIBACC      79  /* Can not access a needed shared library */
00160 #define  ELIBBAD      80  /* Accessing a corrupted shared library */
00161 #define  ELIBSCN      81  /* .lib section in a.out corrupted */
00162 #define  ELIBMAX      82  /* Attempting to link in too many shared libraries */
00163 #define  ELIBEXEC     83  /* Cannot exec a shared library directly */
00164 #define  EILSEQ       84  /* Illegal byte sequence */
00165 #define  ERESTART     85  /* Interrupted system call should be restarted */
00166 #define  ESTRPIPE     86  /* Streams pipe error */
00167 #define  EUSERS       87  /* Too many users */
00168 #define  ENOTSOCK     88  /* Socket operation on non-socket */
00169 #define  EDESTADDRREQ 89  /* Destination address required */
00170 #define  EMSGSIZE     90  /* Message too long */
00171 #define  EPROTOTYPE   91  /* Protocol wrong type for socket */
00172 #define  ENOPROTOOPT  92  /* Protocol not available */
00173 #define  EPROTONOSUPPORT 93  /* Protocol not supported */
00174 #define  ESOCKTNOSUPPORT 94  /* Socket type not supported */
00175 #define  EOPNOTSUPP      95  /* Operation not supported on transport endpoint */
00176 #define  EPFNOSUPPORT    96  /* Protocol family not supported */
00177 #define  EAFNOSUPPORT    97  /* Address family not supported by protocol */
00178 #define  EADDRINUSE      98  /* Address already in use */
00179 #define  EADDRNOTAVAIL   99  /* Cannot assign requested address */
00180 #define  ENETDOWN       100  /* Network is down */
00181 #define  ENETUNREACH    101  /* Network is unreachable */
00182 #define  ENETRESET      102  /* Network dropped connection because of reset */
00183 #define  ECONNABORTED   103  /* Software caused connection abort */
00184 #define  ECONNRESET     104  /* Connection reset by peer */
00185 #define  ENOBUFS        105  /* No buffer space available */
00186 #define  EISCONN        106  /* Transport endpoint is already connected */
00187 #define  ENOTCONN       107  /* Transport endpoint is not connected */
00188 #define  ESHUTDOWN      108  /* Cannot send after transport endpoint shutdown */
00189 #define  ETOOMANYREFS   109  /* Too many references: cannot splice */
00190 #define  ETIMEDOUT      110  /* Connection timed out */
00191 #define  ECONNREFUSED   111  /* Connection refused */
00192 #define  EHOSTDOWN      112  /* Host is down */
00193 #define  EHOSTUNREACH   113  /* No route to host */
00194 #define  EALREADY       114  /* Operation already in progress */
00195 #define  EINPROGRESS    115  /* Operation now in progress */
00196 #define  ESTALE         116  /* Stale NFS file handle */
00197 #define  EUCLEAN        117  /* Structure needs cleaning */
00198 #define  ENOTNAM        118  /* Not a XENIX named type file */
00199 #define  ENAVAIL        119  /* No XENIX semaphores available */
00200 #define  EISNAM         120  /* Is a named type file */
00201 #define  EREMOTEIO      121  /* Remote I/O error */
00202 #define  EDQUOT         122  /* Quota exceeded */
00203 
00204 #define  ENOMEDIUM      123  /* No medium found */
00205 #define  EMEDIUMTYPE    124  /* Wrong medium type */
00206 
00207 
00208 #define ENSROK                    0 /* DNS server returned answer with no data */
00209 #define ENSRNODATA              160 /* DNS server returned answer with no data */
00210 #define ENSRFORMERR             161 /* DNS server claims query was misformatted */
00211 #define ENSRSERVFAIL            162 /* DNS server returned general failure */
00212 #define ENSRNOTFOUND            163 /* Domain name not found */
00213 #define ENSRNOTIMP              164 /* DNS server does not implement requested operation */
00214 #define ENSRREFUSED             165 /* DNS server refused query */
00215 #define ENSRBADQUERY            166 /* Misformatted DNS query */
00216 #define ENSRBADNAME             167 /* Misformatted domain name */
00217 #define ENSRBADFAMILY           168 /* Unsupported address family */
00218 #define ENSRBADRESP             169 /* Misformatted DNS reply */
00219 #define ENSRCONNREFUSED         170 /* Could not contact DNS servers */
00220 #define ENSRTIMEOUT             171 /* Timeout while contacting DNS servers */
00221 #define ENSROF                  172 /* End of file */
00222 #define ENSRFILE                173 /* Error reading file */
00223 #define ENSRNOMEM               174 /* Out of memory */
00224 #define ENSRDESTRUCTION         175 /* Application terminated lookup */
00225 #define ENSRQUERYDOMAINTOOLONG  176 /* Domain name is too long */
00226 #define ENSRCNAMELOOP           177 /* Domain name is too long */
00227 
00228 #ifndef errno
00229 extern int errno;
00230 #endif
00231 
00232 #endif /* LWIP_PROVIDE_ERRNO */
00233 
00234 #ifdef __cplusplus
00235 }
00236 #endif
00237 
00238 #endif /* __LWIP_ARCH_H__ */