read integers

john.c

struct_jobInfo *parseJobs(struct_jobInfo *numbers) {

    char pattern[] = "/.dm/*.*.dm";
    glob_t globbuf;
    FILE *file;
    unsigned int i=0, n=0;
    long long unsigned size;
    char buffer[256];

    size = (sizeof(struct struct_jobInfo) * MAXJOBS);
    numbers = calloc(size, 1);

    glob(pattern, 0, NULL, &globbuf);

    for (i = 0; i < globbuf.gl_pathc; i++) {
        if ((file = fopen(globbuf.gl_pathv[i], "r")) != NULL) {
            while (fscanf(file, "%s\n", buffer) == 1) {

                numbers[n].commandNumberRows = 1;
                char *p = buffer;
                errno = 0;
                numbers[n].commandNumberRows = strtoull(buffer, &p, 10);
                if((errno != 0) || (p == buf) || (*p != 0)) {
                    continue;
                }
                n++;
                if (n >= MAXJOBS) {
                    size = (size * 2) ;
                    numbers = realloc(numbers, size);
                }
            }
            fclose(file);
            //remove file so it is not able to be parsed again
            //remove(globbuf.gl_pathv[i]);
        }
    }

    /*Debug: print out collected jobs*/
    printf("Collected Job Id's:\n");
    for (i = 0; i < n; i++) {
        printf("%llu\n", numbers[i].commandNumberRows);
    }

    /*free mallocs*/
    globfree(&globbuf);

    if( n < MAXJOBS) {
        numbers[n+1].commandNumberRows=0;
    }
    else{
        size += (sizeof(struct struct_jobInfo) * MAXJOBS);
        numbers = realloc(numbers, size);
        numbers[n+1].commandNumberRows=0;
    }

    return numbers;
}