| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | ** EPITECH PROJECT, 2024 | ||
| 3 | ** 42sh | ||
| 4 | ** File description: | ||
| 5 | ** The file containing the right redirections functions | ||
| 6 | */ | ||
| 7 | /** | ||
| 8 | * @file right_redirections.c | ||
| 9 | * @brief The file containing the right redirections functions | ||
| 10 | */ | ||
| 11 | |||
| 12 | #include "../../include/myshell.h" | ||
| 13 | |||
| 14 | /** | ||
| 15 | * @brief Get the file descriptor | ||
| 16 | * @param mysh The shell structure | ||
| 17 | * @param input The input command | ||
| 18 | * @return <b>int</b> The file descriptor | ||
| 19 | */ | ||
| 20 | 83 | static int get_file_descriptor(mysh_t *mysh, input_command_t *input) | |
| 21 | { | ||
| 22 | int fd; | ||
| 23 | |||
| 24 |
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83 | if (input->right[0] == '\0') { |
| 25 | 3 | my_fprintf(2, "Missing name for redirect.\n"); | |
| 26 | 3 | mysh->exit_status = 1; | |
| 27 | 3 | return -1; | |
| 28 | } | ||
| 29 | 80 | fd = open(input->right, O_WRONLY | O_CREAT | | |
| 30 |
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80 | ((input->right_type == 2) ? O_APPEND : O_TRUNC), 0644); |
| 31 |
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80 | if (fd == -1) { |
| 32 | 1 | mysh->exit_status = 1; | |
| 33 | 1 | my_fprintf(2, "%s: %s.\n", input->right, strerror(errno)); | |
| 34 | } | ||
| 35 | 80 | return fd; | |
| 36 | } | ||
| 37 | |||
| 38 | /** | ||
| 39 | * @brief Execute the right redirection | ||
| 40 | * @param mysh The shell structure | ||
| 41 | * @param input The input command | ||
| 42 | * @return <b>void</b> | ||
| 43 | */ | ||
| 44 | 83 | void exec_right_redirection(mysh_t *mysh, input_command_t *input) | |
| 45 | { | ||
| 46 | 83 | int fd = get_file_descriptor(mysh, input); | |
| 47 | |||
| 48 |
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83 | if (fd == -1) |
| 49 | 4 | return; | |
| 50 | 79 | mysh->saved_stdout = dup(1); | |
| 51 | 79 | dup2(fd, 1); | |
| 52 | 79 | close(fd); | |
| 53 |
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79 | if (input->left_type == 1) |
| 54 | 20 | exec_left_simple_redirection(mysh, input); | |
| 55 |
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59 | else if (input->left_type == 2) |
| 56 | 1 | exec_left_double_redirection(mysh, input); | |
| 57 | else | ||
| 58 | 58 | analyse_parentheses(mysh, input); | |
| 59 | 79 | dup2(mysh->saved_stdout, 1); | |
| 60 | 79 | close(mysh->saved_stdout); | |
| 61 | } | ||
| 62 |