Add strerror()

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@80 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 259 insertions, 136 deletions

diff --git a/nuttx/include/errno.h b/nuttx/include/errno.h
index 6f362cfc9..1291a2cff 100644
--- a/nuttx/include/errno.h
+++ b/nuttx/include/errno.h
@@ -1,4 +1,4 @@
-/************************************************************
+/************************************************************************
  * errno.h
  *
  *   Copyright (C) 2007 Gregory Nutt. All rights reserved.
@@ -31,154 +31,277 @@
  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  *
- ************************************************************/
+ ************************************************************************/
 
 #ifndef __ERRNO_H
 #define __ERRNO_H
 
-/************************************************************
+/************************************************************************
  * Included Files
- ************************************************************/
+ ************************************************************************/
 
-/************************************************************
+/************************************************************************
  * Definitions
- ************************************************************/
+ ************************************************************************/
 
-#define	EPERM		 1	/* Operation not permitted */
-#define	ENOENT		 2	/* No such file or directory */
-#define	ESRCH		 3	/* No such process */
-#define	EINTR		 4	/* Interrupted system call */
-#define	EIO		 5	/* I/O error */
-#define	ENXIO		 6	/* No such device or address */
-#define	E2BIG		 7	/* Arg list too long */
-#define	ENOEXEC		 8	/* Exec format error */
-#define	EBADF		 9	/* Bad file number */
-#define	ECHILD		10	/* No child processes */
-#define	EAGAIN		11	/* Try again */
-#define	ENOMEM		12	/* Out of memory */
-#define	EACCES		13	/* Permission denied */
-#define	EFAULT		14	/* Bad address */
-#define	ENOTBLK		15	/* Block device required */
-#define	EBUSY		16	/* Device or resource busy */
-#define	EEXIST		17	/* File exists */
-#define	EXDEV		18	/* Cross-device link */
-#define	ENODEV		19	/* No such device */
-#define	ENOTDIR		20	/* Not a directory */
-#define	EISDIR		21	/* Is a directory */
-#define	EINVAL		22	/* Invalid argument */
-#define	ENFILE		23	/* File table overflow */
-#define	EMFILE		24	/* Too many open files */
-#define	ENOTTY		25	/* Not a typewriter */
-#define	ETXTBSY		26	/* Text file busy */
-#define	EFBIG		27	/* File too large */
-#define	ENOSPC		28	/* No space left on device */
-#define	ESPIPE		29	/* Illegal seek */
-#define	EROFS		30	/* Read-only file system */
-#define	EMLINK		31	/* Too many links */
-#define	EPIPE		32	/* Broken pipe */
-#define	EDOM		33	/* Math argument out of domain of func */
-#define	ERANGE		34	/* Math result not representable */
-#define	EDEADLK		35	/* Resource deadlock would occur */
-#define	ENAMETOOLONG	36	/* File name too long */
-#define	ENOLCK		37	/* No record locks available */
-#define	ENOSYS		38	/* Function not implemented */
-#define	ENOTEMPTY	39	/* Directory not empty */
-#define	ELOOP		40	/* Too many symbolic links encountered */
-#define	EWOULDBLOCK	EAGAIN	/* Operation would block */
-#define	ENOMSG		42	/* No message of desired type */
-#define	EIDRM		43	/* Identifier removed */
-#define	ECHRNG		44	/* Channel number out of range */
-#define	EL2NSYNC	45	/* Level 2 not synchronized */
-#define	EL3HLT		46	/* Level 3 halted */
-#define	EL3RST		47	/* Level 3 reset */
-#define	ELNRNG		48	/* Link number out of range */
-#define	EUNATCH		49	/* Protocol driver not attached */
-#define	ENOCSI		50	/* No CSI structure available */
-#define	EL2HLT		51	/* Level 2 halted */
-#define	EBADE		52	/* Invalid exchange */
-#define	EBADR		53	/* Invalid request descriptor */
-#define	EXFULL		54	/* Exchange full */
-#define	ENOANO		55	/* No anode */
-#define	EBADRQC		56	/* Invalid request code */
-#define	EBADSLT		57	/* Invalid slot */
+/* Definitions of error numbers and the string that would be
+ * returned by strerror().
+ */
 
-#define	EDEADLOCK	EDEADLK
+#define EPERM               1
+#define EPERM_STR           "Operation not permitted"
+#define ENOENT              2
+#define ENOENT_STR          "No such file or directory"
+#define ESRCH               3
+#define ESRCH_STR           "No such process"
+#define EINTR               4
+#define EINTR_STR           "Interrupted system call"
+#define EIO                 5
+#define EIO_STR             "I/O error"
+#define ENXIO               6
+#define ENXIO_STR           "No such device or address"
+#define E2BIG               7
+#define E2BIG_STR           "Arg list too long"
+#define ENOEXEC             8
+#define ENOEXEC_STR         "Exec format error"
+#define EBADF               9
+#define EBADF_STR           "Bad file number"
+#define ECHILD              10
+#define ECHILD_STR          "No child processes"
+#define EAGAIN              11
+#define EWOULDBLOCK         EAGAIN
+#define EAGAIN_STR          "Try again"
+#define ENOMEM              12
+#define ENOMEM_STR          "Out of memory"
+#define EACCES              13
+#define EACCES_STR          "Permission denied"
+#define EFAULT              14
+#define EFAULT_STR          "Bad address"
+#define ENOTBLK             15
+#define ENOTBLK_STR         "Block device required"
+#define EBUSY               16
+#define EBUSY_STR           "Device or resource busy"
+#define EEXIST              17
+#define EEXIST_STR          "File exists"
+#define EXDEV               18
+#define EXDEV_STR           "Cross-device link"
+#define ENODEV              19
+#define ENODEV_STR          "No such device"
+#define ENOTDIR             20
+#define ENOTDIR_STR         "Not a directory"
+#define EISDIR              21
+#define EISDIR_STR          "Is a directory"
+#define EINVAL              22
+#define EINVAL_STR          "Invalid argument"
+#define ENFILE              23
+#define ENFILE_STR          "File table overflow"
+#define EMFILE              24
+#define EMFILE_STR          "Too many open files"
+#define ENOTTY              25
+#define ENOTTY_STR          "Not a typewriter"
+#define ETXTBSY             26
+#define ETXTBSY_STR         "Text file busy"
+#define EFBIG               27
+#define EFBIG_STR           "File too large"
+#define ENOSPC              28
+#define ENOSPC_STR          "No space left on device"
+#define ESPIPE              29
+#define ESPIPE_STR          "Illegal seek"
+#define EROFS               30
+#define EROFS_STR           "Read-only file system"
+#define EMLINK              31
+#define EMLINK_STR          "Too many links"
+#define EPIPE               32
+#define EPIPE_STR           "Broken pipe"
+#define EDOM                33
+#define EDOM_STR            "Math argument out of domain of func"
+#define ERANGE              34
+#define ERANGE_STR          "Math result not representable"
+#define EDEADLK             35
+#define EDEADLOCK           EDEADLK
+#define EDEADLK_STR         "Resource deadlock would occur"
+#define ENAMETOOLONG        36
+#define ENAMETOOLONG_STR    "File name too long"
+#define ENOLCK              37
+#define ENOLCK_STR          "No record locks available"
+#define ENOSYS              38
+#define ENOSYS_STR          "Function not implemented"
+#define ENOTEMPTY           39
+#define ENOTEMPTY_STR       "Directory not empty"
+#define ELOOP               40
+#define ELOOP_STR           "Too many symbolic links encountered"
+#define ENOMSG              42
+#define ENOMSG_STR          "No message of desired type"
+#define EIDRM               43
+#define EIDRM_STR           "Identifier removed"
+#define ECHRNG              44
+#define ECHRNG_STR          "Channel number out of range"
+#define EL2NSYNC            45
+#define EL2NSYNC_STR        "Level 2 not synchronized"
+#define EL3HLT              46
+#define EL3HLT_STR          "Level 3 halted"
+#define EL3RST              47
+#define EL3RST_STR          "Level 3 reset"
+#define ELNRNG              48
+#define ELNRNG_STR          "Link number out of range"
+#define EUNATCH             49
+#define EUNATCH_STR         "Protocol driver not attached"
+#define ENOCSI              50
+#define ENOCSI_STR          "No CSI structure available"
+#define EL2HLT              51
+#define EL2HLT_STR          "Level 2 halted"
+#define EBADE               52
+#define EBADE_STR           "Invalid exchange"
+#define EBADR               53
+#define EBADR_STR           "Invalid request descriptor"
+#define EXFULL              54
+#define EXFULL_STR          "Exchange full"
+#define ENOANO              55
+#define ENOANO_STR          "No anode"
+#define EBADRQC             56
+#define EBADRQC_STR         "Invalid request code"
+#define EBADSLT             57
+#define EBADSLT_STR         "Invalid slot"
+#define EBFONT              59
+#define EBFONT_STR          "Bad font file format"
+#define ENOSTR              60
+#define ENOSTR_STR          "Device not a stream"
+#define ENODATA             61
+#define ENODATA_STR         "No data available"
+#define ETIME               62
+#define ETIME_STR           "Timer expired"
+#define ENOSR               63
+#define ENOSR_STR           "Out of streams resources"
+#define ENONET              64
+#define ENONET_STR          "Machine is not on the network"
+#define ENOPKG              65
+#define ENOPKG_STR          "Package not installed"
+#define EREMOTE             66
+#define EREMOTE_STR         "Object is remote"
+#define ENOLINK             67
+#define ENOLINK_STR         "Link has been severed"
+#define EADV                68
+#define EADV_STR            "Advertise error"
+#define ESRMNT              69
+#define ESRMNT_STR          "Srmount error"
+#define ECOMM               70
+#define ECOMM_STR           "Communication error on send"
+#define EPROTO              71
+#define EPROTO_STR          "Protocol error"
+#define EMULTIHOP           72
+#define EMULTIHOP_STR       "Multihop attempted"
+#define EDOTDOT             73
+#define EDOTDOT_STR         "RFS specific error"
+#define EBADMSG             74
+#define EBADMSG_STR         "Not a data message"
+#define EOVERFLOW           75
+#define EOVERFLOW_STR       "Value too large for defined data type"
+#define ENOTUNIQ            76
+#define ENOTUNIQ_STR        "Name not unique on network"
+#define EBADFD              77
+#define EBADFD_STR          "File descriptor in bad state"
+#define EREMCHG             78
+#define EREMCHG_STR         "Remote address changed"
+#define ELIBACC             79
+#define ELIBACC_STR         "Can not access a needed shared library"
+#define ELIBBAD             80
+#define ELIBBAD_STR         "Accessing a corrupted shared library"
+#define ELIBSCN             81
+#define ELIBSCN_STR         ".lib section in a.out corrupted"
+#define ELIBMAX             82
+#define ELIBMAX_STR         "Attempting to link in too many shared libraries"
+#define ELIBEXEC            83
+#define ELIBEXEC_STR        "Cannot exec a shared library directly"
+#define EILSEQ              84
+#define EILSEQ_STR          "Illegal byte sequence"
+#define ERESTART            85
+#define ERESTART_STR        "Interrupted system call should be restarted"
+#define ESTRPIPE            86
+#define ESTRPIPE_STR        "Streams pipe error"
+#define EUSERS              87
+#define EUSERS_STR          "Too many users"
+#define ENOTSOCK            88
+#define ENOTSOCK_STR        "Socket operation on non-socket"
+#define EDESTADDRREQ        89
+#define EDESTADDRREQ_STR    "Destination address required"
+#define EMSGSIZE            90
+#define EMSGSIZE_STR        "Message too long"
+#define EPROTOTYPE          91
+#define EPROTOTYPE_STR      "Protocol wrong type for socket"
+#define ENOPROTOOPT         92
+#define ENOPROTOOPT_STR     "Protocol not available"
+#define EPROTONOSUPPORT      93
+#define EPROTONOSUPPORT_STR "Protocol not supported"
+#define ESOCKTNOSUPPORT     94
+#define ESOCKTNOSUPPORT_STR "Socket type not supported"
+#define EOPNOTSUPP          95
+#define EOPNOTSUPP_STR      "Operation not supported on transport endpoint"
+#define EPFNOSUPPORT        96
+#define EPFNOSUPPORT_STR    "Protocol family not supported"
+#define EAFNOSUPPORT        97
+#define EAFNOSUPPORT_STR    "Address family not supported by protocol"
+#define EADDRINUSE          98
+#define EADDRINUSE_STR      "Address already in use"
+#define EADDRNOTAVAIL       99
+#define EADDRNOTAVAIL_STR   "Cannot assign requested address"
+#define ENETDOWN            100
+#define ENETDOWN_STR        "Network is down"
+#define ENETUNREACH         101
+#define ENETUNREACH_STR     "Network is unreachable"
+#define ENETRESET           102
+#define ENETRESET_STR       "Network dropped connection because of reset"
+#define ECONNABORTED        103
+#define ECONNABORTED_STR    "Software caused connection abort"
+#define ECONNRESET          104
+#define ECONNRESET_STR      "Connection reset by peer"
+#define ENOBUFS             105
+#define ENOBUFS_STR         "No buffer space available"
+#define EISCONN             106
+#define EISCONN_STR         "Transport endpoint is already connected"
+#define ENOTCONN            107
+#define ENOTCONN_STR        "Transport endpoint is not connected"
+#define ESHUTDOWN           108
+#define ESHUTDOWN_STR       "Cannot send after transport endpoint shutdown"
+#define ETOOMANYREFS        109
+#define ETOOMANYREFS_STR    "Too many references: cannot splice"
+#define ETIMEDOUT           110
+#define ETIMEDOUT_STR       "Connection timed out"
+#define ECONNREFUSED        111
+#define ECONNREFUSED_STR    "Connection refused"
+#define EHOSTDOWN           112
+#define EHOSTDOWN_STR       "Host is down"
+#define EHOSTUNREACH        113
+#define EHOSTUNREACH_STR    "No route to host"
+#define EALREADY            114
+#define EALREADY_STR        "Operation already in progress"
+#define EINPROGRESS         115
+#define EINPROGRESS_STR     "Operation now in progress"
+#define ESTALE              116
+#define ESTALE_STR          "Stale NFS file handle"
+#define EUCLEAN             117
+#define EUCLEAN_STR         "Structure needs cleaning"
+#define ENOTNAM             118
+#define ENOTNAM_STR         "Not a XENIX named type file"
+#define ENAVAIL             119
+#define ENAVAIL_STR         "No XENIX semaphores available"
+#define EISNAM              120
+#define EISNAM_STR          "Is a named type file"
+#define EREMOTEIO           121
+#define EREMOTEIO_STR       "Remote I/O error"
+#define EDQUOT              122
+#define EDQUOT_STR          "Quota exceeded"
+#define ENOMEDIUM           123
+#define ENOMEDIUM_STR       "No medium found"
+#define EMEDIUMTYPE         124
+#define EMEDIUMTYPE_STR     "Wrong medium type"
 
-#define	EBFONT		59	/* Bad font file format */
-#define	ENOSTR		60	/* Device not a stream */
-#define	ENODATA		61	/* No data available */
-#define	ETIME		62	/* Timer expired */
-#define	ENOSR		63	/* Out of streams resources */
-#define	ENONET		64	/* Machine is not on the network */
-#define	ENOPKG		65	/* Package not installed */
-#define	EREMOTE		66	/* Object is remote */
-#define	ENOLINK		67	/* Link has been severed */
-#define	EADV		68	/* Advertise error */
-#define	ESRMNT		69	/* Srmount error */
-#define	ECOMM		70	/* Communication error on send */
-#define	EPROTO		71	/* Protocol error */
-#define	EMULTIHOP	72	/* Multihop attempted */
-#define	EDOTDOT		73	/* RFS specific error */
-#define	EBADMSG		74	/* Not a data message */
-#define	EOVERFLOW	75	/* Value too large for defined data type */
-#define	ENOTUNIQ	76	/* Name not unique on network */
-#define	EBADFD		77	/* File descriptor in bad state */
-#define	EREMCHG		78	/* Remote address changed */
-#define	ELIBACC		79	/* Can not access a needed shared library */
-#define	ELIBBAD		80	/* Accessing a corrupted shared library */
-#define	ELIBSCN		81	/* .lib section in a.out corrupted */
-#define	ELIBMAX		82	/* Attempting to link in too many shared libraries */
-#define	ELIBEXEC	83	/* Cannot exec a shared library directly */
-#define	EILSEQ		84	/* Illegal byte sequence */
-#define	ERESTART	85	/* Interrupted system call should be restarted */
-#define	ESTRPIPE	86	/* Streams pipe error */
-#define	EUSERS		87	/* Too many users */
-#define	ENOTSOCK	88	/* Socket operation on non-socket */
-#define	EDESTADDRREQ	89	/* Destination address required */
-#define	EMSGSIZE	90	/* Message too long */
-#define	EPROTOTYPE	91	/* Protocol wrong type for socket */
-#define	ENOPROTOOPT	92	/* Protocol not available */
-#define	EPROTONOSUPPORT	93	/* Protocol not supported */
-#define	ESOCKTNOSUPPORT	94	/* Socket type not supported */
-#define	EOPNOTSUPP	95	/* Operation not supported on transport endpoint */
-#define	EPFNOSUPPORT	96	/* Protocol family not supported */
-#define	EAFNOSUPPORT	97	/* Address family not supported by protocol */
-#define	EADDRINUSE	98	/* Address already in use */
-#define	EADDRNOTAVAIL	99	/* Cannot assign requested address */
-#define	ENETDOWN	100	/* Network is down */
-#define	ENETUNREACH	101	/* Network is unreachable */
-#define	ENETRESET	102	/* Network dropped connection because of reset */
-#define	ECONNABORTED	103	/* Software caused connection abort */
-#define	ECONNRESET	104	/* Connection reset by peer */
-#define	ENOBUFS		105	/* No buffer space available */
-#define	EISCONN		106	/* Transport endpoint is already connected */
-#define	ENOTCONN	107	/* Transport endpoint is not connected */
-#define	ESHUTDOWN	108	/* Cannot send after transport endpoint shutdown */
-#define	ETOOMANYREFS	109	/* Too many references: cannot splice */
-#define	ETIMEDOUT	110	/* Connection timed out */
-#define	ECONNREFUSED	111	/* Connection refused */
-#define	EHOSTDOWN	112	/* Host is down */
-#define	EHOSTUNREACH	113	/* No route to host */
-#define	EALREADY	114	/* Operation already in progress */
-#define	EINPROGRESS	115	/* Operation now in progress */
-#define	ESTALE		116	/* Stale NFS file handle */
-#define	EUCLEAN		117	/* Structure needs cleaning */
-#define	ENOTNAM		118	/* Not a XENIX named type file */
-#define	ENAVAIL		119	/* No XENIX semaphores available */
-#define	EISNAM		120	/* Is a named type file */
-#define	EREMOTEIO	121	/* Remote I/O error */
-#define	EDQUOT		122	/* Quota exceeded */
-
-#define	ENOMEDIUM	123	/* No medium found */
-#define	EMEDIUMTYPE	124	/* Wrong medium type */
-
-/************************************************************
+/************************************************************************
  * Type Declarations
- ************************************************************/
+ ************************************************************************/
 
-/************************************************************
+/************************************************************************
  * Global Function Prototypes
- ************************************************************/
+ ************************************************************************/
 
 #undef EXTERN
 #if defined(__cplusplus)