118 lines
3.1 KiB
C
118 lines
3.1 KiB
C
/* ************************************************************************** */
|
|
/* */
|
|
/* ::: :::::::: */
|
|
/* init.c :+: :+: :+: */
|
|
/* +:+ +:+ +:+ */
|
|
/* By: lperrey <lperrey@student.42.fr> +#+ +:+ +#+ */
|
|
/* +#+#+#+#+#+ +#+ */
|
|
/* Created: 2021/10/08 09:22:12 by lperrey #+# #+# */
|
|
/* Updated: 2021/12/10 10:28:16 by hulamy ### ########.fr */
|
|
/* */
|
|
/* ************************************************************************** */
|
|
|
|
#include "minishell.h"
|
|
|
|
static char *init_prompt_base(void);
|
|
static int init_readline_hook(void);
|
|
static int shlvl_init(void);
|
|
|
|
int init(t_all *c)
|
|
{
|
|
ft_bzero(c, sizeof (*c));
|
|
// rl_instream = stdin;
|
|
rl_outstream = stderr;
|
|
// rl_outstream = stdout;
|
|
rl_startup_hook = init_readline_hook;
|
|
readline(NULL);
|
|
rl_startup_hook = NULL;
|
|
environ = ft_dup_2d_arr(environ, (t_dup_f)ft_strdup);
|
|
if (!environ)
|
|
return (ft_reti_perror(0, "ft_dup_2d_arr(environ)"));
|
|
c->path = retrieve_path();
|
|
if (!shlvl_init())
|
|
return (ft_reti_perror(0, "shlvl_init()"));
|
|
c->prompt_base = init_prompt_base();
|
|
if (!c->prompt_base)
|
|
return (ft_reti_perror(0, "init_prompt_base()"));
|
|
c->prompt = init_prompt(c->prompt_base);
|
|
if (!c->prompt)
|
|
return (ft_reti_perror(0, "init_prompt()"));
|
|
set_signals_behaviour();
|
|
return (1);
|
|
}
|
|
|
|
static int shlvl_init(void)
|
|
{
|
|
char *tmp;
|
|
int ret;
|
|
|
|
tmp = getenv("SHLVL");
|
|
if (tmp && ft_isdigit_str(tmp))
|
|
{
|
|
tmp = ft_itoa(ft_atoi(tmp) + 1);
|
|
if (!tmp)
|
|
return (0);
|
|
tmp = ft_strjoinfree_s2("SHLVL=", tmp);
|
|
if (!tmp)
|
|
return (0);
|
|
ret = export_var(tmp);
|
|
free(tmp);
|
|
}
|
|
else
|
|
ret = export_var("SHLVL=1");
|
|
if (ret == -1)
|
|
return (0);
|
|
return (1);
|
|
}
|
|
|
|
static char *init_prompt_base(void)
|
|
{
|
|
char *prompt_base;
|
|
char *tmp;
|
|
|
|
tmp = getenv("USER");
|
|
if (!tmp)
|
|
tmp = getenv("LOGNAME");
|
|
if (!tmp)
|
|
tmp = U_DEFAULT_USER;
|
|
prompt_base = ft_strjoin(TERM_LIGHT_GREEN, tmp);
|
|
if (!prompt_base)
|
|
return (NULL);
|
|
prompt_base = ft_strjoinfree_s1(prompt_base, "@");
|
|
if (!prompt_base)
|
|
return (NULL);
|
|
tmp = getenv("NAME");
|
|
if (!tmp)
|
|
tmp = U_DEFAULT_NAME;
|
|
prompt_base = ft_strjoinfree_s1(prompt_base, tmp);
|
|
if (!prompt_base)
|
|
return (NULL);
|
|
prompt_base = ft_strjoinfree_s1(prompt_base, TERM_RESET":"TERM_LIGHT_BLUE);
|
|
if (!prompt_base)
|
|
return (NULL);
|
|
return (prompt_base);
|
|
}
|
|
|
|
char *init_prompt(char *prompt_base)
|
|
{
|
|
char *prompt;
|
|
|
|
prompt = ft_strjoinfree_s2(prompt_base, getcwd(NULL, 0));
|
|
if (!prompt)
|
|
return (NULL);
|
|
prompt = ft_strjoinfree_s1(prompt, TERM_RESET U_PROMPT_END);
|
|
if (!prompt)
|
|
return (NULL);
|
|
return (prompt);
|
|
}
|
|
|
|
/*
|
|
** set rl_startup_hook with this, for init COLUMNS and LINES variables
|
|
** and prevent leak/double_free with **environ
|
|
*/
|
|
static int init_readline_hook(void)
|
|
{
|
|
rl_done = 1;
|
|
return (0);
|
|
}
|