ast_utils.c File Reference

AST utilities: frees entire AST tree recursively. More...

#include "ast.h"
#include "libft.h"

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Detailed Description

AST utilities: frees entire AST tree recursively.

Definition in file ast_utils.c.

Functions
static void	free_args (char **args)
	Free a string array and its entries. More...
void	free_ast (t_ast *node)
	Recursively free an entire AST tree. More...

Function Documentation

free_args()

static void free_args ( char **  args )

static

Free a string array and its entries.

Parameters

args	Array to free

Definition at line 21 of file ast_utils.c.

Referenced by free_ast().

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free_ast()

void free_ast

(

t_ast *

node

)

Recursively free an entire AST tree.

• NODE_COMMAND: frees the args array
• NODE_PIPE: recurses into left and right children
• NODE_REDIR: closes heredoc_fd if >= 0, frees the filename and recurses into the command subtree

Parameters

node	Root of tree to free

Definition at line 46 of file ast_utils.c.

References t_cmd_node::args, t_ast_data::binary, t_redir_node::cmd, t_ast_data::cmd, t_ast::data, t_redir_node::file, free_args(), t_redir_node::heredoc_fd, t_binary_node::left, NODE_COMMAND, NODE_PIPE, NODE_REDIR_HEREDOC, NODE_REDIR_IN, t_ast_data::redir, t_binary_node::right, and t_ast::type.

Referenced by child_execute(), create_pipe_node(), exec_left_pipe_child(), exec_right_pipe_child(), parse_one_redirection(), parse_pipeline(), process_input(), and process_ui_input().

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