shell.c File Reference

#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <syscall.h>

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Functions
static void	read_line (char line[], size_t size)
	Reads a line of input from the user into LINE, which has room for SIZE bytes. More...
static bool	backspace (char **pos, char line[])
	If *POS is past the beginning of LINE, backs up one character position. More...
int	main (void)

Function Documentation

backspace()

static bool backspace ( char **  pos, char  line[]  )

static

If *POS is past the beginning of LINE, backs up one character position.

Returns true if successful, false if nothing was done.

Definition at line 92 of file shell.c.

References printf().

Referenced by read_line().

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main()

int main

(

void

)

Definition at line 10 of file shell.c.

References chdir(), exec(), EXIT_SUCCESS, memcmp(), PID_ERROR, printf(), read_line(), strcmp(), and wait().

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read_line()

static void read_line ( char  line[], size_t  size  )

static

Reads a line of input from the user into LINE, which has room for SIZE bytes.

Handles backspace and Ctrl+U in the ways expected by Unix users. On return, LINE will always be null-terminated and will not end in a new-line character.

< Ctrl+U.

Definition at line 52 of file shell.c.

References backspace(), putchar(), read(), and STDIN_FILENO.

Referenced by main().

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