libpurple/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  *      Copyright (c) 1987,1991 by the Massachusetts Institute of Technology.
   7  *      For copying and distribution information, see the file
   8  *      "mit-copyright.h".
   9  */
  10
  11 #include "internal.h"
  12
  13 Code_t ZFormatNoticeList(notice, list, nitems, buffer, ret_len,
  14                          cert_routine)
  15     ZNotice_t *notice;
  16     register char **list;
  17     int nitems;
  18     char **buffer;
  19     int *ret_len;
  20     Z_AuthProc cert_routine;
  21 {
  22     char header[Z_MAXHEADERLEN];
  23     register int i;
  24     int hdrlen, size;
  25     char *ptr;
  26     Code_t retval;
  27
  28     if ((retval = Z_FormatHeader(notice, header, sizeof(header), &hdrlen,
  29                                  cert_routine)) != ZERR_NONE)
  30         return (retval);
  31
  32     size = 0;
  33     for (i=0;i<nitems;i++)
  34         size += strlen(list[i])+1;
  35
  36     *ret_len = hdrlen+size;
  37
  38     /* *ret_len can never be zero here, no need to worry about malloc(0). */
  39     if (!(*buffer = (char *) malloc((unsigned)*ret_len)))
  40         return (ENOMEM);
  41
  42     (void) memcpy(*buffer, header, hdrlen);
  43
  44     ptr = *buffer+hdrlen;
  45
  46     for (;nitems;nitems--, list++) {
  47         i = strlen(*list)+1;
  48         (void) memcpy(ptr, *list, i);
  49         ptr += i;
  50     }
  51
  52     return (ZERR_NONE);
  53 }