| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | ** EPITECH PROJECT, 2024 | ||
| 3 | ** my_super_number | ||
| 4 | ** File description: | ||
| 5 | ** Returns an int number starting from a string number (number) | ||
| 6 | ** and change my_errno if an error occurs depending on the settings (settings) | ||
| 7 | */ | ||
| 8 | /** | ||
| 9 | * @file my_super_number.c | ||
| 10 | * @brief The file containing the my_super_number function | ||
| 11 | * @author Nicolas TORO | ||
| 12 | */ | ||
| 13 | |||
| 14 | #include "my.h" | ||
| 15 | |||
| 16 | int my_errno; | ||
| 17 | |||
| 18 | 91 | static char not_a_number(char c) | |
| 19 | { | ||
| 20 |
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91 | if ((c < '0' || c > '9') && c != '-' && c != '+') |
| 21 | 11 | return 1; | |
| 22 | 80 | return 0; | |
| 23 | } | ||
| 24 | |||
| 25 | 36 | static char check_end(char *number, number_settings_t *settings, | |
| 26 | int i, int start) | ||
| 27 | { | ||
| 28 | 36 | my_errno = 0; | |
| 29 |
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36 | if ((!settings->letter_before && not_a_number(number[i]) && start == -1) |
| 30 |
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35 | || (!settings->letter_after && not_a_number(number[i]) && start != -1) |
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34 | || (!settings->letter_after && (number[i] == '-' || number[i] == '+') |
| 32 |
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2 | && start != -1) |
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33 | || (!settings->multiple_signe && i != 0 && (number[i] == '-' || |
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16 | number[i] == '+') && (number[i - 1] == '-' || number[i - 1] == '+')) |
| 35 |
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32 | || (!settings->overflow && (i > start + 9 || |
| 36 |
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15 | (i > start + 8 && number[start] != '1' && number[start] != '2')))) { |
| 37 | 4 | my_errno = 1; | |
| 38 | 4 | return 1; | |
| 39 | } | ||
| 40 |
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32 | if (settings->letter_after && not_a_number(number[i]) && start != -1) |
| 41 | 1 | return 1; | |
| 42 | 31 | return 0; | |
| 43 | } | ||
| 44 | |||
| 45 | 12 | int my_super_number(char *number, number_settings_t settings) | |
| 46 | { | ||
| 47 | 12 | int nb = 0; | |
| 48 | 12 | int start = -1; | |
| 49 | 12 | char neg = 1; | |
| 50 | |||
| 51 |
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12 | if (number == NULL || number[0] == '\0') |
| 52 | 1 | return nb; | |
| 53 |
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42 | for (int i = 0; number[i] != '\0'; i++) { |
| 54 |
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36 | if (check_end(number, &settings, i, start)) |
| 55 | 5 | return nb * neg; | |
| 56 |
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31 | if ((settings.letter_before && not_a_number(number[i]) && start == -1) |
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28 | || (settings.letter_after && not_a_number(number[i]) && start != -1)) |
| 58 | 3 | neg = 1; | |
| 59 |
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31 | if (number[i] == '-' && start == -1) |
| 60 | 7 | neg = neg * -1; | |
| 61 |
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31 | if (start == -1 && number[i] >= '1' && number[i] <= '9') |
| 62 | 9 | start = i; | |
| 63 |
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31 | if (number[i] >= '0' && number[i] <= '9') |
| 64 | 18 | nb = nb * 10 + (number[i] - 48); | |
| 65 | } | ||
| 66 | 6 | return nb * neg; | |
| 67 | } | ||
| 68 |