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Split a String Using Delimiter

Code

#include <stdio.h>
#include <stdint.h>

void split_string(const char *str, char delimiter, char tokens[10][20], uint8_t *count) {
    // Your logic here
    char c_buff[20] = {'\0'};
    int token_index = 0;
    while(*str != '\0'){
        // record the string into the buffer
        int index = 0;
        while(*str != delimiter && *str != '\0'){
            c_buff[index++] = *str++;
        }
        // place the null terminator at the end
        c_buff[index] = '\0';
    
        //copy c_buff into the token
        char * c_ptr = c_buff;
        int i = 0;
        while(*c_ptr != '\0'){
            tokens[token_index][i++] = *c_ptr++;
        }
        tokens[token_index][i] = '\0';

        (*count)++;
        token_index++;
        if(*str == delimiter)
            str++;
    }
}

int main() {
    char str[20];
    char delimiter;
    fgets(str, sizeof(str), stdin);
    scanf(" %c", &delimiter);

    // Remove newline
    uint8_t i = 0;
    while (str[i]) {
        if (str[i] == '\n') { str[i] = '\0'; break; }
        i++;
    }

    char tokens[10][20];
    uint8_t count = 0;

    split_string(str, delimiter, tokens, &count);

    for (uint8_t i = 0; i < count; i++) {
        printf("%s\n", tokens[i]);
    }

    return 0;
}

Solving Approach

 

 

 

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Input

cmd1,cmd2,cmd3 ,

Expected Output

cmd1 cmd2 cmd3