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err_msgs1.c
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err_msgs1.c
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/*
* File: err_msgs1.c
* Auth: Wandile Dlamini
* Lwazi
*/
#include "shell.h"
char *error_env(char **args);
char *error_1(char **args);
char *error_2_exit(char **args);
char *error_2_cd(char **args);
char *error_2_syntax(char **args);
/**
* error_env - Creates an error message for shellby_env errors.
* @args: An array of arguments passed to the command.
*
* Return: The error string.
*/
char *error_env(char **args)
{
char *error, *hist_str;
int len;
hist_str = _itoa(hist);
if (!hist_str)
return (NULL);
args--;
len = _strlen(name) + _strlen(hist_str) + _strlen(args[0]) + 45;
error = malloc(sizeof(char) * (len + 1));
if (!error)
{
free(hist_str);
return (NULL);
}
_strcpy(error, name);
_strcat(error, ": ");
_strcat(error, hist_str);
_strcat(error, ": ");
_strcat(error, args[0]);
_strcat(error, ": Unable to add/remove from environment\n");
free(hist_str);
return (error);
}
/**
* error_1 - Creates an error message for shellby_alias errors.
* @args: An array of arguments passed to the command.
*
* Return: The error string.
*/
char *error_1(char **args)
{
char *error;
int len;
len = _strlen(name) + _strlen(args[0]) + 13;
error = malloc(sizeof(char) * (len + 1));
if (!error)
return (NULL);
_strcpy(error, "alias: ");
_strcat(error, args[0]);
_strcat(error, " not found\n");
return (error);
}
/**
* error_2_exit - Creates an error message for shellby_exit errors.
* @args: An array of arguments passed to the command.
*
* Return: The error string.
*/
char *error_2_exit(char **args)
{
char *error, *hist_str;
int len;
hist_str = _itoa(hist);
if (!hist_str)
return (NULL);
len = _strlen(name) + _strlen(hist_str) + _strlen(args[0]) + 27;
error = malloc(sizeof(char) * (len + 1));
if (!error)
{
free(hist_str);
return (NULL);
}
_strcpy(error, name);
_strcat(error, ": ");
_strcat(error, hist_str);
_strcat(error, ": exit: Illegal number: ");
_strcat(error, args[0]);
_strcat(error, "\n");
free(hist_str);
return (error);
}
/**
* error_2_cd - Creates an error message for shellby_cd errors.
* @args: An array of arguments passed to the command.
*
* Return: The error string.
*/
char *error_2_cd(char **args)
{
char *error, *hist_str;
int len;
hist_str = _itoa(hist);
if (!hist_str)
return (NULL);
if (args[0][0] == '-')
args[0][2] = '\0';
len = _strlen(name) + _strlen(hist_str) + _strlen(args[0]) + 24;
error = malloc(sizeof(char) * (len + 1));
if (!error)
{
free(hist_str);
return (NULL);
}
_strcpy(error, name);
_strcat(error, ": ");
_strcat(error, hist_str);
if (args[0][0] == '-')
_strcat(error, ": cd: Illegal option ");
else
_strcat(error, ": cd: can't cd to ");
_strcat(error, args[0]);
_strcat(error, "\n");
free(hist_str);
return (error);
}
/**
* error_2_syntax - Creates an error message for syntax errors.
* @args: An array of arguments passed to the command.
*
* Return: The error string.
*/
char *error_2_syntax(char **args)
{
char *error, *hist_str;
int len;
hist_str = _itoa(hist);
if (!hist_str)
return (NULL);
len = _strlen(name) + _strlen(hist_str) + _strlen(args[0]) + 33;
error = malloc(sizeof(char) * (len + 1));
if (!error)
{
free(hist_str);
return (NULL);
}
_strcpy(error, name);
_strcat(error, ": ");
_strcat(error, hist_str);
_strcat(error, ": Syntax error: \"");
_strcat(error, args[0]);
_strcat(error, "\" unexpected\n");
free(hist_str);
return (error);
}