text: /*
   * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
   *
   * Permission to use, copy, modify, and distribute this software for any
   * purpose with or without fee is hereby granted, provided that the above
   * copyright notice and this permission notice appear in all copies.
   *
   * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   */
  #ifndef VITESCOIN_STRLCPY_H
  #define VITESCOIN_STRLCPY_H
  
  #include <stdlib.h>
  #include <string.h>
  
  /*
   * Copy src to string dst of size siz.  At most siz-1 characters
   * will be copied.  Always NUL terminates (unless siz == 0).
   * Returns strlen(src); if retval >= siz, truncation occurred.
   */
  inline size_t strlcpy(char *dst, const char *src, size_t siz)
  {
      char *d = dst;
      const char *s = src;
      size_t n = siz;
  
      /* Copy as many bytes as will fit */
      if (n != 0)
      {
          while (--n != 0)
          {
              if ((*d++ = *s++) == '\0')
                  break;
          }
      }
  
      /* Not enough room in dst, add NUL and traverse rest of src */
      if (n == 0)
      {
          if (siz != 0)
              *d = '\0';  /* NUL-terminate dst */
          while (*s++)
              ;
      }
  
      return(s - src - 1); /* count does not include NUL */
  }
  
  /*
   * Appends src to string dst of size siz (unlike strncat, siz is the
   * full size of dst, not space left).  At most siz-1 characters
   * will be copied.  Always NUL terminates (unless siz <= strlen(dst)).
   * Returns strlen(src) + MIN(siz, strlen(initial dst)).
   * If retval >= siz, truncation occurred.
   */
  inline size_t strlcat(char *dst, const char *src, size_t siz)
  {
      char *d = dst;
      const char *s = src;
      size_t n = siz;
      size_t dlen;
  
      /* Find the end of dst and adjust bytes left but don't go past end */
      while (n-- != 0 && *d != '\0')
          d++;
      dlen = d - dst;
      n = siz - dlen;
  
      if (n == 0)
          return(dlen + strlen(s));
      while (*s != '\0')
      {
          if (n != 1)
          {
              *d++ = *s;
              n--;
          }
          s++;
      }
      *d = '\0';
  
      return(dlen + (s - src)); /* count does not include NUL */
  }
  #endif
  