#include <stdio.h>
#include <stdlib.h>
#include <string.h>
char** splitStringIntoChunks(const char* str, size_t chunkSize, size_t* chunkCount) {
size_t length = strlen(str);
*chunkCount = (length + chunkSize - 1) / chunkSize; // Calculate the number of chunks
// Allocate memory for the array of chunks
char** chunks = (char**)malloc(*chunkCount * sizeof(char*));
if (!chunks) {
perror("Memory allocation failed");
exit(EXIT_FAILURE);
}
for (size_t i = 0; i < *chunkCount; i++) {
// Allocate memory for each chunk
chunks[i] = (char*)malloc(chunkSize + 1);
if (!chunks[i]) {
perror("Memory allocation failed");
exit(EXIT_FAILURE);
}
// Copy the chunk of size `chunkSize` from the str string
strncpy(chunks[i], &str[i * chunkSize], chunkSize);
chunks[i][chunkSize] = '\0'; // Null-terminate the chunk
}
return chunks;
}
int main() {
const char* str = "abcdefghijk";
size_t chunkSize = 2;
size_t chunkCount;
char** chunks = splitStringIntoChunks(str, chunkSize, &chunkCount);
printf("Chunks of two characters:\n");
for (size_t i = 0; i < chunkCount; i++) {
printf("%s\n", chunks[i]);
free(chunks[i]); // Free each chunk
}
free(chunks); // Free the array of chunks
return 0;
}
/*
run:
Chunks of two characters:
ab
cd
ef
gh
ij
k
*/
