source: bootcd/isolinux/syslinux-6.03/com32/lib/strndup.c

/*
 * strndup.c
 */

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

char *strndup(const char *s, size_t n)
{
    int l = n > strlen(s) ? strlen(s) + 1 : n + 1;
    char *d = malloc(l);

    if (d)
        memcpy(d, s, l);
    d[n] = '\0';
    return d;
}