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morebuiltins.c
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morebuiltins.c
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#include "main.h"
/**
* _chdir - change current work directory
* @tokens: array of strings
* @stat: status
*
* Return: integer, execution status
*/
int _chdir(char **tokens, int *stat)
{
char cwd[PATH_MAX];
char *arr[4];
int status;
(void)(stat);
if (tokens[1] == NULL)
{
status = chdir(_getenv("HOME"));
}
else if (_strcmp(tokens[1], "-") == 0)
{
print(_getenv("OLDPWD")), print("\n");
status = chdir(_getenv("OLDPWD"));
}
else
{
status = chdir(tokens[1]);
}
if (status == -1)
{
print("./hsh: "), _putchar(6 + '0');
print(": cd: can't cd to "), print(tokens[1]), print("\n");
return (127);
}
getcwd(cwd, sizeof(cwd));
if (cwd == NULL)
{
perror("hsh");
return (-1);
}
arr[0] = "setenv", arr[1] = "OLDPWD", arr[2] = _getenv("PWD");
arr[3] = NULL;
_setenv(arr, stat);
arr[0] = "setenv", arr[1] = "PWD", arr[2] = cwd, arr[3] = NULL;
_setenv(arr, stat);
return (0);
}
/**
* _echo - to handle special echo cases
* @token: array of parsed strings
* @status: status
*
* Return: integer value, exit status
*/
int _echo(char **token, int *status)
{
char *path, *e;
pid_t pid = getppid();
if (token[1] == NULL)
return (1);
if (_strncmp(token[1], "$?", 2) == 0)
{
if (*status == 0)
{
_putchar(*status + '0');
}
else
{
e = _itoa(*status);
_printf(e), free(e);
}
_printf("\n");
return (0);
}
else if (_strncmp(token[1], "$$", 2) == 0)
{
e = _itoa(pid);
_printf(e), _printf("\n"), free(e);
return (0);
}
else if (token[1][0] == '$')
{
e = token[1];
path = _getenv(++e);
if (path == NULL)
return (1);
_printf(path), _printf("\n");
return (0);
}
return (1);
}
/**
* echocheck - check if path is echo
* @str: path value
*
* Return: integer, 1 if true else 0
*/
int echocheck(char *str)
{
int len;
len = _strlen(str);
str = str + len - 4;
return (_strcmp(str, "echo"));
}