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shell.c
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shell.c
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#include "shell.h"
/**
* sig_handler - checks if Ctrl C is pressed
* @sig_num: int
*/
void sig_handler(int sig_num)
{
if (sig_num == SIGINT)
{
_puts("\n#cisfun$ ");
}
}
/**
* _EOF - handles the End of File
* @len: return value of getline function
* @buff: buffer
*/
void _EOF(int len, char *buff)
{
(void)buff;
if (len == -1)
{
if (isatty(STDIN_FILENO))
{
_puts("\n");
free(buff);
}
exit(0);
}
}
/**
* _isatty - verif if terminal
*/
void _isatty(void)
{
if (isatty(STDIN_FILENO))
_puts("#cisfun$ ");
}
/**
* main - Shell
* Return: 0 on success
*/
int main(void)
{
ssize_t len = 0;
char *buff = NULL, *value, *pathname, **arv;
size_t size = 0;
list_path *head = '\0';
void (*f)(char **);
signal(SIGINT, sig_handler);
while (len != EOF)
{
_isatty();
len = getline(&buff, &size, stdin);
_EOF(len, buff);
arv = splitstring(buff, " \n");
if (!arv || !arv[0])
execute(arv);
else
{
value = _getenv("PATH");
head = linkpath(value);
pathname = _which(arv[0], head);
f = checkbuild(arv);
if (f)
{
free(buff);
f(arv);
}
else if (!pathname)
execute(arv);
else if (pathname)
{
free(arv[0]);
arv[0] = pathname;
execute(arv);
}
}
}
free_list(head);
freearv(arv);
free(buff);
return (0);
}