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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_s_init.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rbousset <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/14 17:19:27 by rbousset #+# #+# */
/* Updated: 2020/02/14 17:19:29 by rbousset ### ########lyon.fr */
/* */
/* ************************************************************************** */
#include <libft.h>
#include <stdint.h>
#include <stdlib.h>
#include <unistd.h>
#include "ft_d_define.h"
#include "ft_m_funptr.h"
#include "ft_s_init.h"
#include "ft_u_vars.h"
static char
**ft_dupenv_del(char **nenvp,
uint64_t i)
{
while (i > 0)
{
ft_memdel((void*)&nenvp[i]);
i--;
}
ft_memdel((void*)&nenvp);
return (NULL);
}
static char
**ft_dupenv(char *const envp[])
{
uint64_t i;
char **nenvp;
i = 0;
while (envp[i])
{
i++;
}
if (!(nenvp = (char**)malloc((i + 1) * sizeof(char*))))
{
return (NULL);
}
i = 0;
while (envp[i])
{
if (!(nenvp[i] = ft_strdup(envp[i])))
return (ft_dupenv_del(nenvp, i));
i++;
}
nenvp[i] = NULL;
return (nenvp);
}
t_msh
*ft_init_msh(char *const argv[],
char *const envp[])
{
t_msh *msh;
if (!(msh = (t_msh*)malloc(sizeof(t_msh))))
return (NULL);
if (!(msh->ps_one = ft_strdup(FT_PS_ONE)))
return (NULL);
if (!(msh->shname = ft_strdup(argv[0])))
return (NULL);
/* TODO: shname: care about "./", try with symlinks */
msh->envp = NULL;
if (!(msh->envp = ft_dupenv(envp)))
return (NULL);
msh->cwd = NULL;
msh->cwd = ft_subst_var_value("$PWD", msh);
msh->ret = 0;
ft_init_buptr(msh);
msh->curr = NULL;
msh->vars = NULL;
return (msh);
}
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