Function cupsFileFind

cups/file.c:511–603

 */

const char *				/* O - Full path to file or @code NULL@ if not found */
cupsFileFind(const char *filename,	/* I - File to find */
             const char *path,		/* I - Colon/semicolon-separated path */
             int        executable,	/* I - 1 = executable files, 0 = any file/dir */
	     char       *buffer,	/* I - Filename buffer */
	     int        bufsize)	/* I - Size of filename buffer */
{
  char	*bufptr,			/* Current position in buffer */
	*bufend;			/* End of buffer */


 /*
  * Range check input...
  */

  DEBUG_printf(("cupsFileFind(filename=\"%s\", path=\"%s\", executable=%d, buffer=%p, bufsize=%d)", filename, path, executable, (void *)buffer, bufsize));

  if (!filename || !buffer || bufsize < 2)
    return (NULL);

  if (!path)
  {
   /*
    * No path, so check current directory...
    */

    if (!access(filename, 0))
    {
      strlcpy(buffer, filename, (size_t)bufsize);
      return (buffer);
    }
    else
      return (NULL);
  }

 /*
  * Now check each path and return the first match...
  */

  bufend = buffer + bufsize - 1;
  bufptr = buffer;

  while (*path)
  {
#ifdef _WIN32
    if (*path == ';' || (*path == ':' && ((bufptr - buffer) > 1 || !isalpha(buffer[0] & 255))))
#else
    if (*path == ';' || *path == ':')
#endif /* _WIN32 */
    {
      if (bufptr > buffer && bufptr[-1] != '/' && bufptr < bufend)
        *bufptr++ = '/';

      strlcpy(bufptr, filename, (size_t)(bufend - bufptr));

#ifdef _WIN32
      if (!access(buffer, 0))
#else