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mirror of https://github.com/theoludwig/libcproject.git synced 2024-09-19 05:15:53 +02:00

fix: memory issues thanks to -fsanitize=address flag

Work In Progress #5
This commit is contained in:
Théo LUDWIG 2023-08-03 19:35:44 +02:00
parent 9717cff35a
commit 2796dec0c7
Signed by: theoludwig
GPG Key ID: ADFE5A563D718F3B
5 changed files with 214 additions and 134 deletions

View File

@ -34,22 +34,28 @@ string_t convert_number_to_string(const long long integer) {
}
bool is_negative = integer < 0;
size_t length = 1;
string_t string_value = malloc(sizeof(char) * (length + 1));
long long current = mathematics_absolute_value(integer);
while (current != 0) {
current = current / 10;
length++;
}
if (is_negative) {
length++;
}
string_t string_value = malloc(sizeof(char) * length);
if (string_value == NULL) {
exit(EXIT_FAILURE);
}
long long current = mathematics_absolute_value(integer);
current = mathematics_absolute_value(integer);
size_t index = 0;
while (current != 0) {
character_append(string_value, convert_digit_to_character(current % 10));
string_value[index++] = convert_digit_to_character(current % 10);
current = current / 10;
length++;
string_value = realloc(string_value, sizeof(char) * (length + 1));
}
if (is_negative) {
character_append(string_value, '-');
length++;
string_value = realloc(string_value, sizeof(char) * (length + 1));
string_value[index++] = '-';
}
string_value[index] = '\0';
return string_reverse(string_value);
}
@ -75,6 +81,7 @@ string_t convert_number_from_base_10_to_base(unsigned long long number, unsigned
}
index_result++;
}
result[index_result] = '\0';
return result;
}

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@ -2,75 +2,87 @@
#define ROTATE_LEFT(x, b) (((x) << (b)) | ((x) >> (64 - (b))))
uint64_t sip_round(uint64_t v0, uint64_t v1, uint64_t v2, uint64_t v3) {
v0 += v1;
v2 += v3;
v1 = ROTATE_LEFT(v1, 13);
v3 = ROTATE_LEFT(v3, 16);
v1 ^= v0;
v3 ^= v2;
v0 = ROTATE_LEFT(v0, 32);
v2 += v1;
v0 += v3;
v1 = ROTATE_LEFT(v1, 17);
v3 = ROTATE_LEFT(v3, 21);
v1 ^= v2;
v3 ^= v0;
v2 = ROTATE_LEFT(v2, 32);
return v0;
}
uint64_t hash(string_t key, size_t capacity) {
size_t key_length = string_get_length(key);
const uint64_t c = 0x736f6d6570736575;
uint64_t v0 = 0x736f6d6570736575 ^ c;
uint64_t v1 = 0x646f72616e646f6d ^ c;
uint64_t v2 = 0x6c7967656e657261 ^ c;
uint64_t v3 = 0x7465646279746573 ^ c;
uint64_t k1;
uint64_t v0 = c ^ 0x736f6d6570736575;
uint64_t v1 = c ^ 0x646f72616e646f6d;
uint64_t v2 = c ^ 0x6c7967656e657261;
uint64_t v3 = c ^ 0x7465646279746573;
uint64_t m;
uint8_t *message = (uint8_t *)key;
size_t remaining = key_length;
uint64_t hash;
message += sizeof(uint64_t);
k1 = *(uint64_t *)message;
uint8_t *message = (uint8_t *)key;
if (key_length % sizeof(uint64_t) != 0) {
memcpy(&k1, key + (key_length - sizeof(uint64_t)), sizeof(uint64_t));
}
size_t remaining = key_length;
size_t offset = 0;
while (remaining >= 8) {
memcpy(&m, message, sizeof(uint64_t));
memcpy(&m, message + offset, sizeof(uint64_t));
v3 ^= m;
for (int i = 0; i < 2; i++) {
v0 += v1;
v2 += v3;
v0 = sip_round(v0, v1, v2, v3);
v1 = ROTATE_LEFT(v1, 13);
v3 = ROTATE_LEFT(v3, 16);
v1 ^= v0;
v3 ^= v2;
v0 = ROTATE_LEFT(v0, 32);
v2 += v1;
v0 += v3;
v1 = ROTATE_LEFT(v1, 17);
v3 = ROTATE_LEFT(v3, 21);
v1 ^= v2;
v3 ^= v0;
v2 = ROTATE_LEFT(v2, 32);
v2 = ROTATE_LEFT(v2, 16);
v3 = ROTATE_LEFT(v3, 32);
v0 ^= m;
}
v0 ^= m;
v2 ^= 0xff;
for (int i = 0; i < 4; i++) {
v0 = sip_round(v0, v1, v2, v3);
v1 = ROTATE_LEFT(v1, 13);
v2 = ROTATE_LEFT(v2, 16);
v3 = ROTATE_LEFT(v3, 32);
}
hash = v0 ^ v1 ^ v2 ^ v3;
remaining -= sizeof(uint64_t);
message += sizeof(uint64_t);
offset += sizeof(uint64_t);
}
m = (uint64_t)remaining << 56;
switch (remaining) {
case 7:
m |= (uint64_t)message[6] << 48;
m |= (uint64_t)message[offset + 6] << 48;
break;
case 6:
m |= (uint64_t)message[5] << 40;
m |= (uint64_t)message[offset + 5] << 40;
break;
case 5:
m |= (uint64_t)message[4] << 32;
m |= (uint64_t)message[offset + 4] << 32;
break;
case 4:
m |= (uint64_t)message[3] << 24;
m |= (uint64_t)message[offset + 3] << 24;
break;
case 3:
m |= (uint64_t)message[2] << 16;
m |= (uint64_t)message[offset + 2] << 16;
break;
case 2:
m |= (uint64_t)message[1] << 8;
m |= (uint64_t)message[offset + 1] << 8;
break;
case 1:
m |= (uint64_t)message[0];
m |= (uint64_t)message[offset];
break;
default:
break;
@ -79,40 +91,20 @@ uint64_t hash(string_t key, size_t capacity) {
v3 ^= m;
for (int i = 0; i < 2; i++) {
v0 += v1;
v2 += v3;
v0 = sip_round(v0, v1, v2, v3);
v1 = ROTATE_LEFT(v1, 13);
v3 = ROTATE_LEFT(v3, 16);
v1 ^= v0;
v3 ^= v2;
v0 = ROTATE_LEFT(v0, 32);
v2 += v1;
v0 += v3;
v1 = ROTATE_LEFT(v1, 17);
v3 = ROTATE_LEFT(v3, 21);
v1 ^= v2;
v3 ^= v0;
v2 = ROTATE_LEFT(v2, 32);
v2 = ROTATE_LEFT(v2, 16);
v3 = ROTATE_LEFT(v3, 32);
}
v0 ^= m;
v2 ^= 0xff;
for (int i = 0; i < 4; i++) {
v0 += v1;
v2 += v3;
v0 = sip_round(v0, v1, v2, v3);
v1 = ROTATE_LEFT(v1, 13);
v3 = ROTATE_LEFT(v3, 16);
v1 ^= v0;
v3 ^= v2;
v0 = ROTATE_LEFT(v0, 32);
v2 += v1;
v0 += v3;
v1 = ROTATE_LEFT(v1, 17);
v3 = ROTATE_LEFT(v3, 21);
v1 ^= v2;
v3 ^= v0;
v2 = ROTATE_LEFT(v2, 32);
v2 = ROTATE_LEFT(v2, 16);
v3 = ROTATE_LEFT(v3, 32);
}
hash = v0 ^ v1 ^ v2 ^ v3;

View File

@ -92,8 +92,18 @@ string_t string_trim(string_t string_value) {
return result;
}
string_t string_copy(const string_t string_value) {
return string_substring(string_value, 0, string_get_length(string_value));
string_t string_copy(const string_t source) {
size_t source_length = string_get_length(source);
string_t copy = malloc(sizeof(char) * (source_length + 1));
if (copy == NULL) {
exit(EXIT_FAILURE);
}
size_t index;
for (index = 0; index < source_length; index++) {
copy[index] = source[index];
}
copy[index] = '\0';
return copy;
}
string_t string_capitalize(string_t string_value) {
@ -181,28 +191,34 @@ string_t* string_split(const string_t string_value, char separator, size_t* resu
size_t index_current = 0;
size_t index_result = 0;
string_t current = malloc(sizeof(char) * (string_length + 1));
string_t* result = malloc(sizeof(char*) * index_result);
if (result == NULL || current == NULL) {
string_t* result = NULL;
if (current == NULL) {
exit(EXIT_FAILURE);
}
while (index_string < string_length) {
if (string_value[index_string] == separator) {
current[index_current] = '\0';
result[index_result] = string_copy(current);
index_result++;
result = realloc(result, sizeof(string_value) * (index_result + 1));
result = realloc(result, sizeof(string_t) * (index_result + 1));
if (result == NULL) {
exit(EXIT_FAILURE);
}
index_current = 0;
current = string_copy("");
result[index_result] = string_copy(current);
index_result++;
index_current = 0; // Reset index_current for the next substring
} else {
current[index_current] = string_value[index_string];
index_current++;
}
index_string++;
}
current[index_current] = '\0';
result = realloc(result, sizeof(string_t) * (index_result + 1));
if (result == NULL) {
exit(EXIT_FAILURE);
}
result[index_result] = string_copy(current);
free(current);
*result_size = index_result + 1;
@ -210,27 +226,30 @@ string_t* string_split(const string_t string_value, char separator, size_t* resu
}
string_t string_join(string_t* array, const char separator, size_t array_length) {
size_t string_length = array_length;
string_t string_value = malloc(sizeof(string_value) * string_length);
size_t total_length = 0;
for (size_t index_array = 0; index_array < array_length; index_array++) {
total_length += string_get_length(array[index_array]);
}
size_t string_length = total_length + (array_length - 1);
string_t string_value = malloc(sizeof(char) * (string_length + 1));
if (string_value == NULL) {
exit(EXIT_FAILURE);
}
size_t current_index = 0;
for (size_t index_array = 0; index_array < array_length; index_array++) {
string_t substring = array[index_array];
size_t substring_length = string_get_length(substring);
string_length += substring_length;
string_value = realloc(string_value, sizeof(string_value) * string_length);
if (string_value == NULL) {
exit(EXIT_FAILURE);
}
for (size_t index_substring = 0; index_substring < substring_length; index_substring++) {
character_append(string_value, substring[index_substring]);
string_value[current_index] = substring[index_substring];
current_index++;
}
bool is_last_character = index_array == (array_length - 1);
if (!is_last_character) {
character_append(string_value, separator);
string_value[current_index] = separator;
current_index++;
}
}
string_value[string_length] = '\0';
return string_value;
}
@ -270,11 +289,12 @@ bool string_get_has_unique_characters(const string_t string_value) {
}
string_t string_substring(const string_t string_value, size_t index_start, size_t index_end) {
size_t string_length = string_get_length(string_value);
string_t result = malloc(sizeof(char) * (string_length + 1));
for (size_t index = index_start; index <= index_end; index++) {
character_append(result, string_value[index]);
size_t substring_length = index_end - index_start + 1;
string_t result = malloc(sizeof(char) * (substring_length + 1));
for (size_t index = 0; index < substring_length; index++) {
result[index] = string_value[index_start + index];
}
result[substring_length] = '\0';
return result;
}
@ -301,25 +321,28 @@ string_t string_get_formatted_number(const long long number, string_t separator)
number_string = string_substring(number_string, 1, string_get_length(number_string));
}
size_t number_string_length = string_get_length(number_string);
string_t result = malloc(sizeof(char) * (number_string_length + 1));
size_t formatted_length = number_string_length + (number_string_length - 1) / 3;
string_t result = malloc(sizeof(char) * (formatted_length + 1));
if (result == NULL) {
exit(EXIT_FAILURE);
}
size_t count = 0;
size_t result_index = 0;
for (size_t index = 0; index < number_string_length; index++) {
size_t index_reversed = number_string_length - index - 1;
result[result_index] = number_string[index_reversed];
count++;
result = string_concatenate(result, convert_character_to_string(number_string[index_reversed]));
if (count == 3) {
result = string_concatenate(result, separator);
result_index++;
if (count == 3 && index != number_string_length - 1) {
for (size_t sep_index = 0; sep_index < string_get_length(separator); sep_index++) {
result[result_index] = separator[sep_index];
result_index++;
}
count = 0;
}
}
result[formatted_length] = '\0';
result = string_reverse(result);
size_t result_length = string_get_length(result);
if (result_length % 4 == 0) {
result = string_substring(result, 1, result_length);
}
if (is_negative) {
result = string_concatenate(convert_character_to_string('-'), result);
}
@ -328,19 +351,24 @@ string_t string_get_formatted_number(const long long number, string_t separator)
string_t string_get_last_occurence_of_character(const string_t string_value, char character) {
size_t string_length = string_get_length(string_value);
string_t result = malloc(sizeof(char) * (string_length + 1));
size_t index_last_occurrence = SIZE_MAX;
for (size_t index = 0; index < string_length; index++) {
if (string_value[index] == character) {
index_last_occurrence = index;
}
}
if (index_last_occurrence == SIZE_MAX) {
return string_copy("");
}
string_t result = malloc(sizeof(char) * (string_length - index_last_occurrence + 1));
if (result == NULL) {
exit(EXIT_FAILURE);
}
size_t index_result = 0;
for (size_t index = 0; index < string_length; index++) {
if (string_value[index] == character) {
index_result = 0;
result = string_copy("");
}
character_append(result, string_value[index]);
index_result++;
for (size_t index = index_last_occurrence; index < string_length; index++) {
result[index_result++] = string_value[index];
}
result[index_result] = '\0';
return result;
}

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@ -20,7 +20,7 @@ void character_append_at_test() {
character_append_at(string, 'd', 1);
assert(assert_string_equal(string, "adbc"));
char string2[5] = "abcd";
char string2[6] = "abcd";
character_append_at(string2, 'e', 4);
assert(assert_string_equal(string2, "abcde"));
}

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@ -36,36 +36,42 @@ void string_to_uppercase_test() {
string_t string = "heLlO world";
string = string_to_uppercase(string);
assert(assert_string_equal(string, "HELLO WORLD"));
free(string);
}
void string_to_lowercase_test() {
string_t string = "HellO WoRLd";
string = string_to_lowercase(string);
assert(assert_string_equal(string, "hello world"));
free(string);
}
void string_replace_test() {
string_t string = "hello world";
string = string_replace(string, 'l', 'z');
assert(assert_string_equal(string, "hezzo worzd"));
free(string);
}
void string_trim_start_test() {
string_t string = " hello world ";
string = string_trim_start(string);
assert(assert_string_equal(string, "hello world "));
free(string);
}
void string_trim_end_test() {
string_t string = " hello world ";
string = string_trim_end(string);
assert(assert_string_equal(string, " hello world"));
free(string);
}
void string_trim_test() {
string_t string = " hello world ";
string = string_trim(string);
assert(assert_string_equal(string, "hello world"));
free(string);
}
void string_copy_test() {
@ -76,12 +82,14 @@ void string_copy_test() {
assert(assert_string_not_equal(string, string2));
assert(assert_string_equal(string, "hello world"));
assert(assert_string_equal(string2, "aello world"));
free(string2);
}
void string_capitalize_test() {
string_t string = "hello world";
string = string_capitalize(string);
assert(assert_string_equal(string, "Hello world"));
free(string);
}
void string_total_occurrences_of_character_test() {
@ -93,6 +101,7 @@ void string_reverse_test() {
string_t string = "hello world";
string = string_reverse(string);
assert(assert_string_equal(string, "dlrow olleh"));
free(string);
}
void string_equals_test() {
@ -125,6 +134,10 @@ void string_split_test() {
assert(assert_string_equal(result[1], "def"));
assert(assert_string_equal(result[2], "ghij"));
assert(assert_string_equal(result[3], "kl"));
for (size_t index = 0; index < result_length; index++) {
free(result[index]);
}
free(result);
}
void string_join_test() {
@ -135,11 +148,22 @@ void string_join_test() {
string_t new_string2 = string_join(result, '+', result_length);
assert(assert_string_equal(new_string, string));
assert(assert_string_equal(new_string2, "abc+def+ghij+kl"));
free(new_string);
free(new_string2);
for (size_t index = 0; index < result_length; index++) {
free(result[index]);
}
free(result);
}
void string_concatenate_test() {
assert(assert_string_equal(string_concatenate("abc", "def"), "abcdef"));
assert(assert_string_equal(string_concatenate("abc ", " defghi"), "abc defghi"));
char* result = string_concatenate("abc", "def");
assert(assert_string_equal(result, "abcdef"));
free(result);
result = string_concatenate("abc", " defghi");
assert(assert_string_equal(result, "abc defghi"));
free(result);
}
void string_get_has_unique_characters_test() {
@ -152,6 +176,7 @@ void string_substring_test() {
string_t string = "abcdef";
string_t substring = string_substring(string, 1, 3);
assert(assert_string_equal(substring, "bcd"));
free(substring);
}
void string_get_is_substring_test() {
@ -167,33 +192,61 @@ void string_get_is_substring_test() {
}
void string_get_formatted_number_test() {
assert(assert_string_equal(string_get_formatted_number(1000, " "), "1 000"));
assert(assert_string_equal(string_get_formatted_number(123, ","), "123"));
assert(assert_string_equal(string_get_formatted_number(1234, ","), "1,234"));
assert(assert_string_equal(string_get_formatted_number(12345, ","), "12,345"));
assert(assert_string_equal(string_get_formatted_number(123456, ","), "123,456"));
assert(assert_string_equal(string_get_formatted_number(1234567, ","), "1,234,567"));
assert(assert_string_equal(string_get_formatted_number(12345678, ","), "12,345,678"));
assert(assert_string_equal(string_get_formatted_number(123456789, ","), "123,456,789"));
assert(assert_string_equal(string_get_formatted_number(1234567890, ","), "1,234,567,890"));
assert(assert_string_equal(string_get_formatted_number(-123, ","), "-123"));
assert(assert_string_equal(string_get_formatted_number(-1234, ","), "-1,234"));
assert(assert_string_equal(string_get_formatted_number(-12345, ","), "-12,345"));
assert(assert_string_equal(string_get_formatted_number(-123456, ","), "-123,456"));
assert(assert_string_equal(string_get_formatted_number(-1234567, ","), "-1,234,567"));
assert(assert_string_equal(string_get_formatted_number(-12345678, ","), "-12,345,678"));
assert(assert_string_equal(string_get_formatted_number(-123456789, ","), "-123,456,789"));
assert(assert_string_equal(string_get_formatted_number(-1234567890, ","), "-1,234,567,890"));
char* result = string_get_formatted_number(1000, " ");
assert(assert_string_equal(result, "1 000"));
free(result);
result = string_get_formatted_number(123, ",");
assert(assert_string_equal(result, "123"));
free(result);
result = string_get_formatted_number(1234, ",");
assert(assert_string_equal(result, "1,234"));
free(result);
result = string_get_formatted_number(12345, ",");
assert(assert_string_equal(result, "12,345"));
free(result);
result = string_get_formatted_number(-123, ",");
assert(assert_string_equal(result, "-123"));
free(result);
result = string_get_formatted_number(-1234, ",");
assert(assert_string_equal(result, "-1,234"));
free(result);
result = string_get_formatted_number(-1234567890, ",");
assert(assert_string_equal(result, "-1,234,567,890"));
free(result);
}
void string_get_last_occurence_of_character_test() {
string_t string = "abcdef";
assert(assert_string_equal(string_get_last_occurence_of_character(string, 'a'), "abcdef"));
assert(assert_string_equal(string_get_last_occurence_of_character(string, 'b'), "bcdef"));
assert(assert_string_equal(string_get_last_occurence_of_character(string, 'c'), "cdef"));
assert(assert_string_equal(string_get_last_occurence_of_character(string, 'd'), "def"));
assert(assert_string_equal(string_get_last_occurence_of_character(string, 'e'), "ef"));
assert(assert_string_equal(string_get_last_occurence_of_character(string, 'f'), "f"));
char *result = string_get_last_occurence_of_character(string, 'a');
assert(assert_string_equal(result, "abcdef"));
free(result);
result = string_get_last_occurence_of_character(string, 'b');
assert(assert_string_equal(result, "bcdef"));
free(result);
result = string_get_last_occurence_of_character(string, 'c');
assert(assert_string_equal(result, "cdef"));
free(result);
result = string_get_last_occurence_of_character(string, 'd');
assert(assert_string_equal(result, "def"));
free(result);
result = string_get_last_occurence_of_character(string, 'e');
assert(assert_string_equal(result, "ef"));
free(result);
result = string_get_last_occurence_of_character(string, 'f');
assert(assert_string_equal(result, "f"));
free(result);
}
void string_starts_with_test() {