minishell/src/executor/executor_absolute_path.c
2025-02-26 16:17:07 +01:00

54 lines
1.8 KiB
C

/* ************************************************************************** */
/* */
/* :::::::: */
/* executor_absolute_path.c :+: :+: */
/* +:+ */
/* By: willem <willem@student.codam.nl> +#+ */
/* +#+ */
/* Created: 2025/02/08 17:00:24 by willem #+# #+# */
/* Updated: 2025/02/26 16:09:42 by whaffman ######## odam.nl */
/* */
/* ************************************************************************** */
#include "minishell.h"
char *executor_absolute_path(t_minishell *msh, char *cmd)
{
char **path;
t_environment *path_env;
char *executable;
int i;
if (cmd[0] == '/' || cmd[0] == '.')
{
if (access(cmd, F_OK) == 0)
{
executable = ft_strdup_safe(msh, cmd);
if (!executable)
return (NULL);
return (executable);
}
return (NULL);
}
path_env = environment_get(msh, "PATH");
if (!path_env)
return (NULL);
path = ft_split(path_env->value, ':');
i = 0;
while (path[i] != NULL)
{
executable = malloc_safe(msh, ft_strlen(path[i]) + ft_strlen(cmd) + 2);
ft_strlcpy(executable, path[i], ft_strlen(path[i]) + 1);
ft_strlcat(executable, "/", ft_strlen(path[i]) + 2);
ft_strlcat(executable, cmd, ft_strlen(path[i]) + ft_strlen(cmd) + 2);
if (access(executable, F_OK) == 0)
{
ft_free_arr(path);
return (executable);
}
free_safe(msh, (void **)&executable);
i++;
}
return (ft_free_arr(path), NULL);
}