src/protocols/zephyr/ZFmtList.c

   1 /* This file is part of the Project Athena Zephyr Notification System.
   2  * It contains source for the ZFormatNoticeList function.
   3  *
   4  *      Created by:     Robert French
   5  *
   6  *      $Source$
   7  *      $Author: warmenhoven $
   8  *
   9  *      Copyright (c) 1987,1991 by the Massachusetts Institute of Technology.
  10  *      For copying and distribution information, see the file
  11  *      "mit-copyright.h".
  12  */
  13 /* $Header$ */
  14
  15 #include <internal.h>
  16
  17 #ifndef lint
  18 static const char rcsid_ZFormatNoticeList_c[] =
  19     "$Id: ZFmtList.c 2096 2001-07-31 01:00:39Z warmenhoven $";
  20 #endif
  21
  22 Code_t ZFormatNoticeList(notice, list, nitems, buffer, ret_len,
  23                          cert_routine)
  24     ZNotice_t *notice;
  25     register char **list;
  26     int nitems;
  27     char **buffer;
  28     int *ret_len;
  29     Z_AuthProc cert_routine;
  30 {
  31     char header[Z_MAXHEADERLEN];
  32     register int i;
  33     int hdrlen, size;
  34     char *ptr;
  35     Code_t retval;
  36
  37     if ((retval = Z_FormatHeader(notice, header, sizeof(header), &hdrlen,
  38                                  cert_routine)) != ZERR_NONE)
  39         return (retval);
  40
  41     size = 0;
  42     for (i=0;i<nitems;i++)
  43         size += strlen(list[i])+1;
  44
  45     *ret_len = hdrlen+size;
  46
  47     /* *ret_len can never be zero here, no need to worry about malloc(0). */
  48     if (!(*buffer = (char *) malloc((unsigned)*ret_len)))
  49         return (ENOMEM);
  50
  51     (void) memcpy(*buffer, header, hdrlen);
  52
  53     ptr = *buffer+hdrlen;
  54
  55     for (;nitems;nitems--, list++) {
  56         i = strlen(*list)+1;
  57         (void) memcpy(ptr, *list, i);
  58         ptr += i;
  59     }
  60
  61     return (ZERR_NONE);
  62 }