| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | ** EPITECH PROJECT, 2024 | ||
| 3 | ** 42sh | ||
| 4 | ** File description: | ||
| 5 | ** The file containing the environnement functions | ||
| 6 | */ | ||
| 7 | /** | ||
| 8 | * @file environnement.c | ||
| 9 | * @brief The file containing the environnement functions | ||
| 10 | */ | ||
| 11 | |||
| 12 | #include "../include/myshell.h" | ||
| 13 | |||
| 14 | /** | ||
| 15 | * @brief Set a new environment variable | ||
| 16 | * @param mysh The shell structure | ||
| 17 | * @param name The name of the variable | ||
| 18 | * @param value The value of the variable | ||
| 19 | * @return <b>void</b> | ||
| 20 | */ | ||
| 21 | 1444 | static char *var_to_str(char *var, int start) | |
| 22 | { | ||
| 23 |
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1444 | for (int index = start; var[index] != '\0'; index++) { |
| 24 |
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1444 | if (var[index] == '=') |
| 25 | 1444 | return &var[index + 1]; | |
| 26 | } | ||
| 27 | ✗ | return NULL; | |
| 28 | } | ||
| 29 | |||
| 30 | /** | ||
| 31 | * @brief Get an environment variable | ||
| 32 | * @param env The environment | ||
| 33 | * @param var The variable to get | ||
| 34 | * @return <b>char *</b> The value of the variable | ||
| 35 | */ | ||
| 36 | 7124 | char *get_env_var(char **env, char *var) | |
| 37 | { | ||
| 38 |
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16292 | for (int index = 0; env[index] != NULL; index++) { |
| 39 |
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10612 | if (my_strncmp(env[index], var, my_strlen(var)) == 0) |
| 40 | 1444 | return var_to_str(env[index], my_strlen(var)); | |
| 41 | } | ||
| 42 | 5680 | return NULL; | |
| 43 | } | ||
| 44 | |||
| 45 | /** | ||
| 46 | * @brief Replace an environment variable | ||
| 47 | * @param env The environment | ||
| 48 | * @param name The name of the variable | ||
| 49 | * @param value The new value | ||
| 50 | * @return <b>void</b> | ||
| 51 | */ | ||
| 52 | 3 | void replace_env_var(char **env, char *name, char *value) | |
| 53 | { | ||
| 54 |
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8 | for (int index = 0; env[index] != NULL; index++) { |
| 55 |
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5 | if (my_strncmp(env[index], name, my_strlen(name)) == 0 |
| 56 | ✗ | && env[index][my_strlen(name)] == '=') { | |
| 57 | ✗ | env[index] = value; | |
| 58 | ✗ | return; | |
| 59 | } | ||
| 60 | } | ||
| 61 | } | ||
| 62 | |||
| 63 | /** | ||
| 64 | * @brief Check if the PATH is set in the environment and set it if not | ||
| 65 | * @param mysh The shell structure | ||
| 66 | * @return <b>void</b> | ||
| 67 | */ | ||
| 68 | 371 | void check_path(mysh_t *mysh) | |
| 69 | { | ||
| 70 |
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371 | if (get_env_var(mysh->env, "PATH") == NULL) |
| 71 | 117 | set_new_env_var(mysh, "PATH", "/usr/bin:/bin"); | |
| 72 | 371 | } | |
| 73 | |||
| 74 | /** | ||
| 75 | * @brief Update the path list | ||
| 76 | * @param mysh The shell structure | ||
| 77 | * @return <b>void</b> | ||
| 78 | */ | ||
| 79 | 492 | void update_path_list(mysh_t *mysh) | |
| 80 | { | ||
| 81 |
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492 | if (get_env_var(mysh->env, "PATH") == NULL) |
| 82 | 117 | return; | |
| 83 | 375 | FREE_WORD_ARRAY(mysh->path_list); | |
| 84 | 375 | mysh->path_list = my_str_to_word_array_select( | |
| 85 | 375 | get_env_var(mysh->env, "PATH"), ":"); | |
| 86 | } | ||
| 87 |