Files
ft_minipowershell/src/builtins/ft_export_utils.c
2024-07-15 18:04:17 +02:00

107 lines
2.6 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_export_utils.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: mmoussou <mmoussou@student.42angouleme.fr +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/07/11 18:59:27 by mmoussou #+# #+# */
/* Updated: 2024/07/15 18:02:49 by mmoussou ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
unsigned int ft_arraylen(char **s)
{
char **endptr;
endptr = s;
while (*endptr)
endptr++;
return (endptr - s);
}
void env_make_str(char *str, char *name, char *content)
{
if (!content)
ft_strlcpy(str, name, ft_strlen(name) + 1);
else
{
ft_strlcpy(str, name, ft_strlen(name) + 1);
str[ft_strlen(name)] = '=';
ft_strlcat(str, "\"", ft_strlen(str) + 2);
ft_strlcat(str, content, ft_vstrlen(2, str, content) + 1);
ft_strlcat(str, "\"", ft_strlen(str) + 2);
}
}
char **env_get_list(t_env *env)
{
char **ar;
int i;
ar = ft_calloc(sizeof(char *), (ft_envsize(env) + 1));
if (!ar)
return (ar);
ar[ft_envsize(env)] = NULL;
i = 0;
while (env)
{
if (ft_strcmp(env->name, "_"))
{
ar[i] = ft_calloc(1, ft_vstrlen(2, env->name, env->content) + 4);
if (!ar[i])
{
ft_free("a", ar);
return (NULL);
}
env_make_str(ar[i], env->name, env->content);
i++;
}
env = env->next;
}
return (ar);
}
void add_to_env(char *name, char *content, t_env *env)
{
t_env *env_t;
env_t = env;
while (env_t && ft_strcmp(env_t->name, name))
env_t = env_t->next;
if (env_t)
env_edit(name, content, env);
else
ft_envadd_back(&env, ft_envnew(name, content));
}
int check_export_input(char *input)
{
int i;
i = 0;
if ((!ft_isalpha(input[i]) && input[i] != '_') || input[i] == '=')
{
printf("minishell: export: '%s': not a valid identifier\n", input);
return (1);
}
i++;
while (input[i] && input[i] != '=')
{
if (!ft_isalnum(input[i]) && input[i] != '_')
{
if (input[i] == '+' && input[i + 1] == '=')
{
i++;
continue ;
}
printf("minishell: export: '%s': not a valid identifier\n", input);
return (1);
}
i++;
}
return (0);
}