+/* ErrCode.c
+ *
+ * Copyright (C) 2001 Simone Piccardi
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+/****************************************************************
+ *
+ * Program ErrCode.c:
+ * Print error code MACRO and messages
+ *
+ * Author: Simone Piccardi
+ * Sep. 2001
+ *
+ * Usage: errcode -h give all info's
+ *
+ * $Id: ErrCode.c,v 1.7 2003/05/02 09:55:13 piccardi Exp $
+ *
+ ****************************************************************/
+/*
+ * Include needed headers
+ */
+#include <errno.h> /* error definitions and routines */
+#include <stdlib.h> /* C standard library */
+#include <unistd.h> /* unix standard library */
+#include <stdio.h> /* standard I/O library */
+#include <string.h> /* string functions */
+#include <limits.h> /* system limits values */
+
+/* Help printing routine */
+void usage(void);
+
+/* Array for code number <=> code macro name */
+char * err_code[] = {
+"SUCCESS ", /* 0 Success */
+"EPERM ", /* 1 Operation not permitted */
+"ENOENT ", /* 2 No such file or directory */
+"ESRCH ", /* 3 No such process */
+"EINTR ", /* 4 Interrupted system call */
+"EIO ", /* 5 I/O error */
+"ENXIO ", /* 6 No such device or address */
+"E2BIG ", /* 7 Arg list too long */
+"ENOEXEC ", /* 8 Exec format error */
+"EBADF ", /* 9 Bad file number */
+"ECHILD ", /* 10 No child processes */
+"EAGAIN ", /* 11 Try again */
+"ENOMEM ", /* 12 Out of memory */
+"EACCES ", /* 13 Permission denied */
+"EFAULT ", /* 14 Bad address */
+"ENOTBLK ", /* 15 Block device required */
+"EBUSY ", /* 16 Device or resource busy */
+"EEXIST ", /* 17 File exists */
+"EXDEV ", /* 18 Cross-device link */
+"ENODEV ", /* 19 No such device */
+"ENOTDIR ", /* 20 Not a directory */
+"EISDIR ", /* 21 Is a directory */
+"EINVAL ", /* 22 Invalid argument */
+"ENFILE ", /* 23 File table overflow */
+"EMFILE ", /* 24 Too many open files */
+"ENOTTY ", /* 25 Not a typewriter */
+"ETXTBSY ", /* 26 Text file busy */
+"EFBIG ", /* 27 File too large */
+"ENOSPC ", /* 28 No space left on device */
+"ESPIPE ", /* 29 Illegal seek */
+"EROFS ", /* 30 Read-only file system */
+"EMLINK ", /* 31 Too many links */
+"EPIPE ", /* 32 Broken pipe */
+"EDOM ", /* 33 Math argument out of domain of func */
+"ERANGE ", /* 34 Math result not representable */
+"EDEADLK ", /* 35 Resource deadlock would occur */
+"ENAMETOOLONG ", /* 36 File name too long */
+"ENOLCK ", /* 37 No record locks available */
+"ENOSYS ", /* 38 Function not implemented */
+"ENOTEMPTY ", /* 39 Directory not empty */
+"ELOOP ", /* 40 Too many symbolic links encountered */
+"EWOULDBLOCK ", /* EAGAIN Operation would block */
+"ENOMSG ", /* 42 No message of desired type */
+"EIDRM ", /* 43 Identifier removed */
+"ECHRNG ", /* 44 Channel number out of range */
+"EL2NSYNC ", /* 45 Level 2 not synchronized */
+"EL3HLT ", /* 46 Level 3 halted */
+"EL3RST ", /* 47 Level 3 reset */
+"ELNRNG ", /* 48 Link number out of range */
+"EUNATCH ", /* 49 Protocol driver not attached */
+"ENOCSI ", /* 50 No CSI structure available */
+"EL2HLT ", /* 51 Level 2 halted */
+"EBADE ", /* 52 Invalid exchange */
+"EBADR ", /* 53 Invalid request descriptor */
+"EXFULL ", /* 54 Exchange full */
+"ENOANO ", /* 55 No anode */
+"EBADRQC ", /* 56 Invalid request code */
+"EBADSLT ", /* 57 Invalid slot */
+"EDEADLOCK ", /* EDEADLK */
+"EBFONT ", /* 59 Bad font file format */
+"ENOSTR ", /* 60 Device not a stream */
+"ENODATA ", /* 61 No data available */
+"ETIME ", /* 62 Timer expired */
+"ENOSR ", /* 63 Out of streams resources */
+"ENONET ", /* 64 Machine is not on the network */
+"ENOPKG ", /* 65 Package not installed */
+"EREMOTE ", /* 66 Object is remote */
+"ENOLINK ", /* 67 Link has been severed */
+"EADV ", /* 68 Advertise error */
+"ESRMNT ", /* 69 Srmount error */
+"ECOMM ", /* 70 Communication error on send */
+"EPROTO ", /* 71 Protocol error */
+"EMULTIHOP ", /* 72 Multihop attempted */
+"EDOTDOT ", /* 73 RFS specific error */
+"EBADMSG ", /* 74 Not a data message */
+"EOVERFLOW ", /* 75 Value too large for defined data type */
+"ENOTUNIQ ", /* 76 Name not unique on network */
+"EBADFD ", /* 77 File descriptor in bad state */
+"EREMCHG ", /* 78 Remote address changed */
+"ELIBACC ", /* 79 Can not access a needed shared library */
+"ELIBBAD ", /* 80 Accessing a corrupted shared library */
+"ELIBSCN ", /* 81 .lib section in a.out corrupted */
+"ELIBMAX ", /* 82 Attempting to link in too many shared libraries */
+"ELIBEXEC ", /* 83 Cannot exec a shared library directly */
+"EILSEQ ", /* 84 Illegal byte sequence */
+"ERESTART ", /* 85 Interrupted system call should be restarted */
+"ESTRPIPE ", /* 86 Streams pipe error */
+"EUSERS ", /* 87 Too many users */
+"ENOTSOCK ", /* 88 Socket operation on non-socket */
+"EDESTADDRREQ ", /* 89 Destination address required */
+"EMSGSIZE ", /* 90 Message too long */
+"EPROTOTYPE ", /* 91 Protocol wrong type for socket */
+"ENOPROTOOPT ", /* 92 Protocol not available */
+"EPROTONOSUPPORT", /* 93 Protocol not supported */
+"ESOCKTNOSUPPORT", /* 94 Socket type not supported */
+"EOPNOTSUPP ", /* 95 Operation not supported on transport endpoint */
+"EPFNOSUPPORT ", /* 96 Protocol family not supported */
+"EAFNOSUPPORT ", /* 97 Address family not supported by protocol */
+"EADDRINUSE ", /* 98 Address already in use */
+"EADDRNOTAVAIL ", /* 99 Cannot assign requested address */
+"ENETDOWN ", /* 100 Network is down */
+"ENETUNREACH ", /* 101 Network is unreachable */
+"ENETRESET ", /* 102 Network dropped connection because of reset */
+"ECONNABORTED ", /* 103 Software caused connection abort */
+"ECONNRESET ", /* 104 Connection reset by peer */
+"ENOBUFS ", /* 105 No buffer space available */
+"EISCONN ", /* 106 Transport endpoint is already connected */
+"ENOTCONN ", /* 107 Transport endpoint is not connected */
+"ESHUTDOWN ", /* 108 Cannot send after transport endpoint shutdown */
+"ETOOMANYREFS ", /* 109 Too many references: cannot splice */
+"ETIMEDOUT ", /* 110 Connection timed out */
+"ECONNREFUSED ", /* 111 Connection refused */
+"EHOSTDOWN ", /* 112 Host is down */
+"EHOSTUNREACH ", /* 113 No route to host */
+"EALREADY ", /* 114 Operation already in progress */
+"EINPROGRESS ", /* 115 Operation now in progress */
+"ESTALE ", /* 116 Stale NFS file handle */
+"EUCLEAN ", /* 117 Structure needs cleaning */
+"ENOTNAM ", /* 118 Not a XENIX named type file */
+"ENAVAIL ", /* 119 No XENIX semaphores available */
+"EISNAM ", /* 120 Is a named type file */
+"EREMOTEIO ", /* 121 Remote I/O error */
+"EDQUOT ", /* 122 Quota exceeded */
+"ENOMEDIUM ", /* 123 No medium found */
+"EMEDIUMTYPE " /* 124 Wrong medium type */
+};
+int main(int argc, char *argv[])
+{
+/*
+ * Variables definition
+ */
+ int i, err;
+ int label = 0;
+ int message = 0;
+ /*
+ * Input section: decode parameters passed in the calling
+ * Use getopt function
+ */
+ opterr = 0; /* don't want writing to stderr */
+ while ( (i = getopt(argc, argv, "hlm")) != -1) {
+ switch (i) {
+ /*
+ * Handling options
+ */
+ case 'h':
+ printf("Wrong -h option use\n");
+ usage();
+ return(0);
+ break;
+ case 'l': /* unrecognized options */
+ printf("Label printing\n");
+ label = 1;
+ break;
+ case 'm': /* unrecognized options */
+ printf("Message printing\n");
+ message = 1;
+ break;
+ case '?': /* unrecognized options */
+ printf("Unrecognized options -%c\n",optopt);
+ usage();
+ default: /* should not reached */
+ usage();
+ }
+ }
+ /* ***********************************************************
+ *
+ * Options processing completed
+ *
+ * Main code beginning
+ *
+ * ***********************************************************/
+ if (optind == argc) {
+ usage();
+ }
+ /* convert string to number */
+ err = strtol(argv[optind], NULL, 10);
+ /* testing error condition on conversion */
+ if (err==LONG_MIN) {
+ perror("Underflow on error code");
+ return 1;
+ } else if (err==LONG_MIN) {
+ perror("Overflow on error code");
+ return 1;
+ }
+ /* conversion is fine */
+ if (message) {
+ printf("Error message for %d is %s\n", err, strerror(err));
+ }
+ if (label) {
+ printf("Error label for %d is %s\n", err, err_code[err]);
+ }
+ if ( (!label)&&(!message) ) {
+ usage();
+ }
+ /* normal exit */
+ return 0;
+}
+/*
+ * routine to print usage info and exit
+ */
+void usage(void) {
+ printf("Print error code message or macro label \n");
+ printf("Usage:\n");
+ printf(" daytime [-h] [-l] [-m] error code \n");
+ printf(" -m print error messages\n");
+ printf(" -l print error code label\n");
+ printf(" -h print this help\n");
+ exit(1);
+}