GCC Code Coverage Report

Directory: ./
File: src/builtins/if.c
Date: 2024-06-05 00:36:48
Exec Total Coverage
Lines: 70 85 82.4%
Functions: 5 5 100.0%
Branches: 44 62 71.0%
Line Branch Exec Source
1 /*
2 ** EPITECH PROJECT, 2024
3 ** 42sh
4 ** File description:
5 ** The file containing the if builtin
6 */
7 /**
8 * @file if.c
9 * @brief The file containing the if builtin
10 */
11
12 #include "../../include/myshell.h"
13
14 /**
15 * @brief Execute the commands specified when the condition is true
16 * @param mysh The shell structure
17 * @param args The command arguments
18 * @param start The index of the start of the command arguments
19 */
20 1 static int exec_true_condition(mysh_t *mysh, char **args, int start)
21 {
22 1 pid_t pid = 0;
23 1 int size = 0;
24 1 char *command = NULL;
25
26
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 2 for (int index = start; args[index] != NULL; index++)
27 1 size += my_strlen(args[index]) + 1;
28 1 command = calloc(size, sizeof(char));
29
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 2 for (int index = start; args[index] != NULL; index++) {
30 1 my_strcat(command, args[index]);
31
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 1 if (args[index + 1] != NULL)
32 ✗ my_strcat(command, " ");
33 }
34 1 pid = fork();
35
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 2 if (pid == 0) {
36 1 analyse_backticks(mysh, command);
37 1 my_exit(mysh, mysh->exit_status, NULL);
38 }
39 1 waitpid(pid, &mysh->exit_status, 0);
40 1 FREE(command);
41 1 return mysh->exit_status;
42 }
43
44 /**
45 * @brief Read the input of the user when the condition is false
46 * @param mysh The shell structure
47 * @return <b>char **</b> The command arguments
48 */
49 8 static char **read_input(mysh_t *mysh)
50 {
51 8 int size = 0;
52 8 char *line = NULL;
53 8 char **content = NULL;
54
55
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 46 while (size != EOF && (content == NULL ||
56
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 32 (my_strcmp(content[0], "endif") && my_strcmp(content[0], "else")))) {
57
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 22 IS_ATTY_PRINT("if? ");
58 22 free_str_and_tab(line, NULL);
59 22 size = my_getline(&line, stdin);
60 22 set_command_in_history(mysh, line);
61 22 free_str_and_tab(NULL, content);
62 22 content = str_to_array_inhibitors(line);
63 }
64
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 8 if (size == EOF || (content != NULL && my_strcmp(content[0], "endif")
65
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 2 && my_strcmp(content[0], "else"))) {
66 6 my_putstr_error("then: then/endif not found.\n");
67 6 return free_str_and_tab(line, content);
68 }
69 2 free_str_and_tab(line, NULL);
70 2 return content;
71 }
72
73 /**
74 * @brief Execute the false condition who wait for an else or an endif
75 * @param mysh The shell structure
76 * @return <b>int</b> The exit status of the command executed
77 */
78 8 static int exec_false_condition(mysh_t *mysh)
79 {
80 8 char **line_content = read_input(mysh);
81 8 char **new_line_content = NULL;
82
83
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 8 if (line_content == NULL || line_content[0] == NULL) {
84 6 FREE_WORD_ARRAY(line_content);
85 6 return 1;
86 }
87
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 2 if (my_strcmp(line_content[0], "endif") == 0) {
88 ✗ FREE_WORD_ARRAY(line_content);
89 ✗ return 0;
90 }
91
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 2 if (my_strncmp(line_content[1], "if", 2) != 0) {
92 ✗ new_line_content = my_malloc_strdup_word_array(line_content);
93 ✗ FREE_WORD_ARRAY(line_content);
94 ✗ return exec_true_condition(mysh, new_line_content, 1);
95 }
96 2 mysh->exit_status = exec_else_if(mysh, line_content);
97 2 FREE_WORD_ARRAY(line_content);
98 2 return mysh->exit_status;
99 }
100
101 /**
102 * @brief The else if builtin
103 * @param mysh The shell structure
104 * @param line_content The command arguments
105 * @return <b>int</b> <u>0</u> if the command succeed, <u>1</u> otherwise
106 */
107 2 int exec_else_if(mysh_t *mysh, char **line_content)
108 {
109 2 int condition = 0;
110
111
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 2 if (line_content[2] == NULL) {
112 ✗ my_putstr_error("if: Too few arguments.\n");
113 ✗ return 1;
114 }
115 2 condition = get_condition(line_content[2]);
116
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 2 if (condition == -1)
117 ✗ return 1;
118
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 2 if (line_content[3] == NULL) {
119 ✗ my_putstr_error("if: Empty if.\n");
120 ✗ return 1;
121 }
122
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 2 if (condition && my_strcmp(line_content[3], "then") == 0)
123 2 return 0;
124 ✗ if (condition)
125 ✗ return exec_true_condition(mysh, line_content, 3);
126 ✗ return exec_false_condition(mysh);
127 }
128
129 /**
130 * @brief The if builtin
131 * @param mysh The shell structure
132 * @return <b>int</b> <u>0</u> if the command succeed, <u>1</u> otherwise
133 */
134 15 int exec_if(mysh_t *mysh)
135 {
136 15 int condition = 0;
137
138
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 15 if (mysh->args[1] == NULL) {
139 3 my_putstr_error("if: Too few arguments.\n");
140 3 return 1;
141 }
142 12 condition = get_condition(mysh->args[1]);
143
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 12 if (condition == -1)
144 ✗ return 1;
145
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 12 if (mysh->args[2] == NULL) {
146 2 my_putstr_error("if: Empty if.\n");
147 2 return 1;
148 }
149
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 10 if (condition && my_strcmp(mysh->args[2], "then") == 0 ||
150
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 8 condition == 0 && my_strcmp(mysh->args[2], "then") != 0)
151 1 return 0;
152
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 9 if (condition)
153 1 return exec_true_condition(mysh, mysh->args, 2);
154 8 return exec_false_condition(mysh);
155 }
156