diff options
Diffstat (limited to 'src/builtins_part_one.c')
| -rw-r--r-- | src/builtins_part_one.c | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/src/builtins_part_one.c b/src/builtins_part_one.c new file mode 100644 index 0000000..d64bb54 --- /dev/null +++ b/src/builtins_part_one.c @@ -0,0 +1,161 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* builtins_part_one.c :+: :+: :+: */ +/* +:+ +:+ +:+ */ +/* By: chuhlig <chuhlig@student.42.fr> +#+ +:+ +#+ */ +/* +#+#+#+#+#+ +#+ */ +/* Created: 2024/08/09 17:01:16 by chuhlig #+# #+# */ +/* Updated: 2025/01/10 14:36:55 by chuhlig ### ########.fr */ +/* */ +/* ************************************************************************** */ + +#include "env.h" + +int echo(char **av) +{ + int i; + int f; + + i = 1; + f = 1; + if (av[1] == NULL || av[1][0] == '\0') + { + write(1, "\n", 1); + return (1); + } + if (ft_strncmp(av[1], "-n", 3) == 0) + { + i++; + f = 0; + } + while (av[i]) + { + write(1, av[i], ft_strlen(av[i])); + i++; + if (av[i]) + write(1, " ", 1); + } + if (f) + write(1, "\n", 1); + return (0); +} + +int pwd(t_env *env) +{ + while (env) + { + if (ft_strncmp(env->name, "PWD", 4) == 0) + { + ft_printf("%s\n", env->value); + break ; + } + env = env->next; + } + return (0); +} + +int ft_env(t_env *env) +{ + while (env != NULL) + { + printf("%s", env->name); + printf("=%s\n", env->value); + env = env->next; + } + return (0); +} + +// int exit(char *av) +// { +// freenode free toke free sequence stop repl free env; +// clear history; +// } +//// + +void free_env_node(t_env *node) +{ + free(node->name); + free(node->value); + free(node); +} + +int unset(char **av, t_env **env) +{ + t_env *current; + t_env *prev; + int i; + + i = 0; + while (av[++i]) + { + current = *env; + prev = NULL; + while (current) + { + if (ft_strcmp(current->name, av[i]) == 0) + { + if (prev) + prev->next = current->next; + else + *env = current->next; + free_env_node(current); + break ; + } + prev = current; + current = current->next; + } + } + return (0); +} + +t_env *env_new(char *name) +{ + t_env *result; + + result = malloc(sizeof(t_env)); + if (!result) + return (NULL); + result->name = name; + return (result); +} + +t_env *check_existing(t_env *env, char *av) +{ + while (env) + { + if (ft_strcmp(env->name, av) == 0) + return (env); + env = env->next; + } + return (NULL); +} + +int export(char **av, t_env **env) +{ + char *tmp; + t_env *current; + int i; + + current = NULL; + i = 0; + while (av[++i]) + { + if ((ft_strchr(av[i], '='))) + { + tmp = ft_strchr(av[i], '='); + *tmp = '\0'; + current = check_existing(*env, av[i]); + if (current) + free(current->value); + else + { + current = env_new(ft_strdup(av[i])); + current->next = *env; + *env = current; + } + current->value = ft_strdup(tmp + 1); + } + } + return (0); +}
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