diff options
Diffstat (limited to 'src/env_utils.c')
| -rw-r--r-- | src/env_utils.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/src/env_utils.c b/src/env_utils.c new file mode 100644 index 0000000..b352d72 --- /dev/null +++ b/src/env_utils.c @@ -0,0 +1,83 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* env_utils.c :+: :+: :+: */ +/* +:+ +:+ +:+ */ +/* By: dkaiser <dkaiser@student.42heilbronn.de +#+ +:+ +#+ */ +/* +#+#+#+#+#+ +#+ */ +/* Created: 2024/05/02 16:19:31 by dkaiser #+# #+# */ +/* Updated: 2024/05/07 15:13:51 by dkaiser ### ########.fr */ +/* */ +/* ************************************************************************** */ + +#include "pipex.h" + +char **get_split_path(char *envp[]) +{ + char *path; + + while (!ft_strnstr(*envp, "PATH=", 5)) + envp++; + if (!*envp) + return (NULL); + path = *envp + 5; + return (ft_split(path, ':')); +} + +char *get_pwd(char *envp[]) +{ + while (!ft_strnstr(*envp, "PWD=", 4)) + envp++; + if (!*envp) + return (NULL); + return (*envp + 4); +} + +char *find_in_path(char *cmd, char **path) +{ + char *cur_path; + char *cmd_path; + + cmd_path = NULL; + while (*path) + { + if (cmd_path) + free(cmd_path); + cur_path = ft_strjoin(*path, "/"); + if (!cur_path) + return (NULL); + cmd_path = ft_strjoin(cur_path, cmd); + free(cur_path); + if (!cmd_path) + return (NULL); + if (access(cmd_path, X_OK) != -1) + return (cur_path); + path++; + } + return (NULL); +} + +char *get_cmd_path(char *cmd, char **path, char *pwd) +{ + char *cur_dir; + + if (cmd[0] == '/') + return (cmd); // TODO: Maybe use duplicate instead, + so there will be no problem on free() + else if (strchr(cmd, '/')) + { + cur_dir = ft_strjoin(pwd, "/"); + // TODO: Free on fail + // TODO: Maybe check if executable, else there might be a problem... + return (ft_strjoin(cur_dir, cmd)); + } + else if (strchr(cmd, ' ')) + { + //AAAAAAAAAAA + return (NULL); + } + else + { + return (find_in_path(cmd, path)); + } +} |