save commit

minishell-codex/include/minishell.h

@@ -0,0 +1,136 @@
+#ifndef MINISHELL_H
+#define MINISHELL_H
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <sys/wait.h>
+#include <sys/types.h>
+#include <termios.h>
+#include <readline/readline.h>
+#include <readline/history.h>
+
+#define MS_PROMPT "minishell> "
+
+extern int g_signal;
+
+typedef enum e_tokentype
+{
+	TOK_WORD,
+	TOK_PIPE,
+	TOK_REDIR_IN,
+	TOK_REDIR_OUT,
+	TOK_REDIR_APPEND,
+	TOK_HEREDOC
+} t_tokentype;
+
+typedef struct s_token
+{
+	char *text;
+	t_tokentype type;
+	struct s_token *next;
+} t_token;
+
+typedef enum e_redirtype
+{
+	REDIR_IN,
+	REDIR_OUT,
+	REDIR_APPEND,
+	REDIR_HEREDOC
+} t_redirtype;
+
+typedef struct s_redir
+{
+	t_redirtype type;
+	char *target;
+	int fd;
+	struct s_redir *next;
+} t_redir;
+
+typedef struct s_command
+{
+	char **argv;
+	int argc;
+	char *path;
+	t_redir *redirs;
+} t_command;
+
+typedef struct s_pipeline
+{
+	t_command **cmds;
+	size_t count;
+} t_pipeline;
+
+typedef struct s_env
+{
+	char *key;
+	char *value;
+	struct s_env *next;
+} t_env;
+
+typedef struct s_shell
+{
+	t_env *env;
+	int exit_status;
+	int last_status;
+	int exit_requested;
+	int interactive;
+} t_shell;
+
+/* core */
+void ms_init(t_shell *sh, char **envp);
+void ms_loop(t_shell *sh);
+void ms_cleanup(t_shell *sh);
+void ms_setup_signals(t_shell *sh);
+void ms_set_child_signals(void);
+void ms_set_heredoc_signals(void);
+
+/* parser */
+t_token *lex_line(const char *line, int *error);
+void free_tokens(t_token *toks);
+
+t_pipeline *parse_tokens(t_token *toks, int *error);
+void free_pipeline(t_pipeline *p);
+
+int expand_pipeline(t_pipeline *p, t_shell *sh);
+
+/* executor */
+int execute_pipeline(t_pipeline *p, t_shell *sh);
+int prepare_heredocs(t_pipeline *p, t_shell *sh);
+int apply_redirections(t_command *cmd, int *saved_stdin, int *saved_stdout);
+void restore_redirections(int saved_stdin, int saved_stdout);
+char *resolve_path(const char *cmd, t_shell *sh);
+
+/* env */
+void env_init(t_shell *sh, char **envp);
+void env_clear(t_shell *sh);
+char *env_get(t_shell *sh, const char *key);
+int env_set(t_shell *sh, const char *key, const char *value);
+int env_unset(t_shell *sh, const char *key);
+char **env_to_envp(t_shell *sh);
+void env_free_envp(char **envp);
+void env_print(t_shell *sh);
+
+/* builtins */
+int is_builtin(const char *name);
+int exec_builtin(t_command *cmd, t_shell *sh);
+
+/* utils */
+int ms_is_space(int c);
+int ms_is_alpha(int c);
+int ms_is_alnum(int c);
+int ms_is_digit(int c);
+char *ms_strdup(const char *s);
+char *ms_strndup(const char *s, size_t n);
+char *ms_strjoin(const char *a, const char *b);
+char *ms_strjoin3(const char *a, const char *b, const char *c);
+char *ms_substr(const char *s, size_t start, size_t len);
+char **ms_split(const char *s, char delim);
+void ms_free_split(char **sp);
+char *ms_itoa(int n);
+
+#endif