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feat: add string_pad_start

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Théo LUDWIG
2024-09-12 12:22:53 +02:00
parent 7683aa1db7
commit 35b868d0c1
4 changed files with 57 additions and 0 deletions
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24
lib/string.c
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@ -407,3 +407,27 @@ size_t string_last_position_of(const string_t string, const char character) {
}
return position_found;
}
string_t string_pad_start(const string_t string, const string_t pad_string, size_t target_length) {
string_t result = malloc(sizeof(char) * (target_length + 1));
size_t initial_length = string_get_length(string);
size_t left_length = target_length - initial_length;
if (target_length <= initial_length) {
left_length = 0;
}
size_t pad_length = string_get_length(pad_string);
size_t count_pad_string = 0;
size_t index_initial_string = 0;
for (size_t index = 0; index < target_length; index++) {
if (index < left_length) {
size_t index_pad_string = count_pad_string % pad_length;
result[index] = pad_string[index_pad_string];
count_pad_string += 1;
} else {
result[index] = string[index_initial_string];
index_initial_string += 1;
}
}
result[target_length] = '\0';
return result;
}