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fix(solutions): memory issues thanks to -fsanitize=address flag with gcc

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Théo LUDWIG
2023-08-10 11:13:06 +02:00
parent 3b6cc97bb5
commit 0245c7a12c
96 changed files with 712 additions and 453 deletions
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25
challenges/caesar-cipher/solutions/c/function/string.c
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@ -1,24 +1,27 @@
#include "string.h"
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include "character.h"
#define ALPHABET_LENGTH 26
size_t string_get_length(const char* string) {
size_t length = 0;
while (string[length] != '\0') {
length++;
}
return length;
}
char* string_shift_alphabet(int shift) {
char* result = malloc(sizeof(char) * (ALPHABET_LENGTH + 1));
for (char index = 0; index < ALPHABET_LENGTH; index++) {
for (size_t index = 0; index < ALPHABET_LENGTH; index++) {
char letter = 'A' + index + shift;
if (letter < 'A') {
letter = 'Z' + shift + index + 1;
} else if (letter > 'Z') {
letter = letter - ALPHABET_LENGTH;
}
character_append(result, letter);
result[index] = letter;
}
result[ALPHABET_LENGTH] = '\0';
return result;
}
@ -28,8 +31,8 @@ char* string_caesar_cipher(char* string, int shift) {
char* shifted_alphabet = string_shift_alphabet(shift);
for (size_t index = 0; index < string_length; index++) {
char letter = string[index];
if (letter != ' ') {
for (int index_alphabet = 0; index_alphabet < ALPHABET_LENGTH; index_alphabet++) {
if (letter != ' ' && (letter >= 'A' && letter <= 'Z')) {
for (size_t index_alphabet = 0; index_alphabet < ALPHABET_LENGTH; index_alphabet++) {
char current_letter = 'A' + index_alphabet;
if (string[index] == current_letter) {
letter = shifted_alphabet[index_alphabet];
@ -37,7 +40,9 @@ char* string_caesar_cipher(char* string, int shift) {
}
}
}
character_append(result, letter);
result[index] = letter;
}
result[string_length] = '\0';
free(shifted_alphabet);
return result;
}