#include <stdlib.h>

#include <string.h>

#include <ctype.h>

void readstat_copy(char *buf, size_t buf_len, const char *str_start, size_t str_len) {

    size_t this_len = str_len;

    if (this_len >= buf_len) {

        this_len = buf_len - 1;

    }

    memcpy(buf, str_start, this_len);

    buf[this_len] = '\0';

}

void readstat_copy_lower(char *buf, size_t buf_len, const char *str_start, size_t str_len) {

    int i;

    readstat_copy(buf, buf_len, str_start, str_len);

    for (i=0; i<buf_len && buf[i]; i++)

        buf[i] = tolower(buf[i]);

}

void readstat_copy_quoted(char *buf, size_t buf_len, const char *str_start, size_t str_len) {

    size_t this_len = str_len;

    if (this_len >= buf_len) {

        this_len = buf_len - 1;

    }

    size_t i=0;

    size_t j=0;

    int slash = 0;

    for (i=0; i<this_len; i++) {

        if (slash) {

            if (str_start[i] == 't') {

                buf[j++] = '\t';

            } else {

                buf[j++] = str_start[i];

            }

            slash = 0;

        } else {

            if (str_start[i] == '\\') {

                slash = 1;

            } else {

                buf[j++] = str_start[i];

            }

        }

    }

    buf[j] = '\0';

}