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/* errno - give information about error codes
* Copyright (C) 2022 Ferass EL HAFIDI
*
* 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 3 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, see <https://www.gnu.org/licenses/>.");
*/
#include <string.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
void printUsage() {
printf("Ferass' Extra Utilities.\n\n"
"Usage: errno [STRING]\n"
"Give information about error codes.\n\n");
}
int main(int argc, char *argv[]) {
long int error_code = 0;
setvbuf(stdout, NULL, _IONBF, 0);
if (argc == 2) {
error_code = strtol(argv[1], NULL, 10);
printf("errno %ld: ", error_code);
switch (error_code) {
case E2BIG:
printf("Argument list too long.");
break;
case EACCES:
printf("Permission denied.");
break;
case EADDRINUSE:
printf("Address in use.");
break;
case EADDRNOTAVAIL:
printf("Address not available.");
break;
case EAFNOSUPPORT:
printf("Address family not supported.");
break;
case EAGAIN:
printf("Resource unavailable, try again.");
break;
case EALREADY:
printf("Connection already in progress.");
break;
case EBADF:
printf("Bad file descriptor.");
break;
case EBADMSG:
printf("Bad message.");
break;
case EBUSY:
printf("Device or resource busy.");
break;
case ECANCELED:
printf("Operation canceled.");
break;
case ECHILD:
printf("No child processes.");
break;
case ECONNABORTED:
printf("Connection aborted.");
break;
case ECONNREFUSED:
printf("Connection refused.");
break;
case ECONNRESET:
printf("Connection reset.");
break;
case EDEADLK:
printf("Resource deadlock would occur.");
break;
case EDESTADDRREQ:
printf("Destination address required.");
break;
case EDOM:
printf("Mathematics argument out of domain of function.");
break;
case EDQUOT:
printf("Reserved.");
break;
case EEXIST:
printf("File exists.");
break;
case EFAULT:
printf("Bad address.");
break;
case EFBIG:
printf("File too large.");
break;
case EHOSTUNREACH:
printf("Host is unreachable.");
break;
case EIDRM:
printf("Identifier removed.");
break;
case EILSEQ:
printf("Illegal byte sequence.");
break;
case EINPROGRESS:
printf("Operation in progress.");
break;
case EINTR:
printf("Interrupted function.");
break;
case EINVAL:
printf("Invalid argument.");
break;
case EIO:
printf("I/O error.");
break;
case EISCONN:
printf("Socket is connected.");
break;
case EISDIR:
printf("Is a directory.");
break;
case ELOOP:
printf("Too many levels of symbolic links.");
break;
case EMFILE:
printf("File descriptor value too large.");
break;
case EMLINK:
printf("Too many links.");
break;
case EMSGSIZE:
printf("Message too large.");
break;
case EMULTIHOP:
printf("Reserved.");
break;
case ENAMETOOLONG:
printf("Filename too long.");
break;
case ENETDOWN:
printf("Network is down.");
break;
case ENETRESET:
printf("Connection aborted by network.");
break;
case ENETUNREACH:
printf("Network unreachable.");
break;
case ENFILE:
printf("Too many files open in system.");
break;
case ENOBUFS:
printf("No buffer space available.");
break;
case ENODATA:
printf("No message is available on the STREAM head read queue.");
break;
case ENODEV:
printf("No such device.");
break;
case ENOENT:
printf("No such file or directory.");
break;
case ENOEXEC:
printf("Executable file format error.");
break;
case ENOLCK:
printf("No locks available.");
break;
case ENOLINK:
printf("Reserved.");
break;
case ENOMEM:
printf("Not enough space.");
break;
case ENOMSG:
printf("No message of the desired type.");
break;
case ENOPROTOOPT:
printf("Protocol not available.");
break;
case ENOSPC:
printf("No space left on device.");
break;
case ENOSR:
printf("No STREAM resources.");
break;
case ENOSTR:
printf("Not a STREAM.");
break;
case ENOSYS:
printf("Functionality not supported.");
break;
case ENOTCONN:
printf("The socket is not connected.");
break;
case ENOTDIR:
printf("Not a directory or a symbolic link to a directory.");
break;
case ENOTEMPTY:
printf("Directory not empty.");
break;
case ENOTRECOVERABLE:
printf("State not recoverable.");
break;
case ENOTSOCK:
printf("Not a socket.");
break;
case ENOTSUP:
printf("Not supported (may be the same value as EOPNOTSUPP).");
break;
case ENOTTY:
printf("Inappropriate I/O control operation.");
break;
case ENXIO:
printf("No such device or address.");
break;
case EOVERFLOW:
printf("Value too large to be stored in data type.");
break;
case EOWNERDEAD:
printf("Previous owner died.");
break;
case EPERM:
printf("Operation not permitted.");
break;
case EPIPE:
printf("Broken pipe.");
break;
case EPROTO:
printf("Protocol error.");
break;
case EPROTONOSUPPORT:
printf("Protocol not supported.");
break;
case EPROTOTYPE:
printf("Protocol wrong type for socket.");
break;
case ERANGE:
printf("Result too large.");
break;
case EROFS:
printf("Read-only file system.");
break;
case ESPIPE:
printf("Invalid seek.");
break;
case ESRCH:
printf("No such process.");
break;
case ESTALE:
printf("Reserved.");
break;
case ETIME:
printf("Stream ioctl() timeout.");
break;
case ETIMEDOUT:
printf("Connection timed out.");
break;
case ETXTBSY:
printf("Text file busy.");
break;
case EXDEV:
printf("Cross-device link.");
break;
case 0:
printf("No error occured.");
break;
default:
printf("Unknown.");
break;
}
printf("\n");
}
return 0;
}
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