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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* utils.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cacharle <cacharle@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/28 11:56:31 by cacharle #+# #+# */
/* Updated: 2020/10/10 11:12:47 by cacharle ### ########.fr */
/* */
/* ************************************************************************** */
/*
** \file utils.c
** \brief Various functions
*/
#include "minishell.h"
/*
** \brief Print the shell prompt, tries to display the current directory
*/
void print_prompt(void)
{
char cwd[PATH_MAX + 1];
char *last_slash;
ft_bzero(cwd, PATH_MAX + 1);
if (getcwd(cwd, PATH_MAX) == NULL)
{
ft_putstr_fd("$ ", STDERR_FILENO);
return ;
}
last_slash = ft_strrchr(cwd, '/');
if (last_slash != NULL && ft_strlen(cwd) != 1)
ft_strcpy(cwd, last_slash + 1);
ft_putstr_fd("\033[0;32m", STDERR_FILENO);
ft_putstr_fd(cwd, STDERR_FILENO);
ft_putstr_fd("\033[0m$ ", STDERR_FILENO);
}
/*
** \brief Exit the program on condition
** \param predicate Exit if true
*/
void exit_if(bool predicate)
{
if (!predicate)
return ;
ft_putendl_fd("minishell: fatal error", STDERR_FILENO);
exit(3);
}
/*
** \brief Check if a string only contains spaces and tabs
** \param str String to chec
** \return True if only contains blank, false otherwise
*/
bool utils_strisblank(char *str)
{
while (*str != '\0')
{
if (!ft_isblank(*str))
return (false);
str++;
}
return (true);
}
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