name, extension, file

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

char *readText()
{
    char *data = malloc(sizeof(char));
    char c;
    int  i = 0;
    fread(&c, 1, 1, stdin);
    while(c != '\n'){
        data = realloc(data, i+2);
        data[i] = c;
        i++;
        fread(&c, 1, 1, stdin);
    }
        data[i] = '\0';

    return data;
}

int main()
{
    do{
        printf("> Type 'quit' to end testing.\n");
        printf("> Enter the name of file: ");
        char *words = readText();
        if(!strcmp(words, "quit")){
            free(words);
            return 0;
        }
        int extLen = 0;
        int nameLen;
        int total;

        if(words[0] == '.'){
            nameLen = strlen(words);
            char orig[nameLen];
            strcpy(orig, words);
            words++;
            char *ext = strrchr(words, '.');
            if(ext){
                extLen = strlen(ext);
                if(extLen == 1){
                    printf("Extension: '(none)'\n");
                }else{
                    printf("Extension: '%s'\n", ext+1);
                }
            }else{
                printf("Extension: '(none)'\n");
            }
            total = nameLen-extLen;
            char name[total];
            strncpy(name, orig, total);
            name[total] = '\0';
            printf("name: '%s'\n", name);

        }else{
            nameLen = strlen(words);
            char *ext = strrchr(words, '.');
            if(ext){
                extLen = strlen(ext);
                if(extLen == 1){
                    printf("Extension: '(none)'\n");
                }else{
                    printf("Extension: '%s'\n", ext+1);
                }
            }else{
                printf("Extension: '(none)'\n");
            }
            total = nameLen-extLen;
            char name[total];
            strncpy(name, words, total);
            name[total] = '\0';
            if(name[0] == '\0'){
                printf("name: '(none)'\n");
            }else{
                printf("name: '%s'\n", name);
            }
        }

        free(words);
        puts("------------------------");
        puts("------------------------");
    }while(1);

    return 0;
}