37 lines
937 B
C
37 lines
937 B
C
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#include "utils/ast/ast_redir.h"
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#include <stdlib.h>
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bool ast_is_redir(struct ast *node)
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{
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return node != NULL && node->type == AST_REDIR;
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}
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struct ast_redir *ast_get_redir(struct ast *node)
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{
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if (ast_is_redir(node))
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return (struct ast_redir *)node->data;
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return NULL;
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}
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struct ast *ast_create_redir(struct ast *child, char *filename, int io_number, enum ast_redir_type type)
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{
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struct ast_redir *redir = malloc(sizeof(struct ast_redir));
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if (!redir)
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return NULL;
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redir->child = child;
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redir->filename = filename; // Takes ownership? Usually yes in simple ASTs, or dup. Let's assume pointer copy for now, but user must manage memory.
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redir->io_number = io_number;
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redir->type = type;
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return ast_create(AST_REDIR, redir);
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}
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void ast_free_redir(struct ast_redir *redir)
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{
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if (!redir)
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return;
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ast_free(&redir->child);
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free(redir->filename);
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free(redir);
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}
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