src/ipcmsg.cpp

   1 /*
   2 libfmail: IPC Message
   3
   4 Copyright (C) 2007  Carlos Daniel Ruvalcaba Valenzuela <clsdaniel@gmail.com>
   5
   6 This program is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2 of the License, or
   9 (at your option) any later version.
  10
  11 This program is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License along
  17 with this program; if not, write to the Free Software Foundation, Inc.,
  18 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 */
  20
  21
  22 #include <stdio.h>
  23 #include <string.h>
  24 #include <malloc.h>
  25
  26 #include <queue>
  27 #include <libfmail/ipcmsg.h>
  28
  29 char *strcopy(const char *s){
  30         char *ret;
  31         size_t l;
  32
  33         l = strlen(s);
  34         ret = (char*)malloc(sizeof(char) * (l + 1));
  35         if (!ret)
  36                 return 0;
  37
  38         strcpy(ret, s);
  39
  40         return ret;
  41 }
  42
  43 /* TODO: Manage strings, reduce memory leaks */
  44 IPCMessage::IPCMessage(const char *msgname){
  45         msghead = strcopy(msgname);
  46         payload = strlen(msghead);
  47 }
  48
  49 IPCMessage::~IPCMessage(){
  50         free(msghead);
  51 }
  52
  53 char *IPCMessage::GetMessageName(){
  54         return msghead;
  55 }
  56
  57 size_t IPCMessage::ParamCount(){
  58         return params.size();
  59 }
  60
  61 size_t IPCMessage::GetPayload(){
  62         return payload;
  63 }
  64
  65 void IPCMessage::PushParam(const char *param){
  66         payload += strlen(param);
  67         params.push(strcopy(param));
  68 }
  69
  70 char *IPCMessage::PopParam(){
  71         char *r;
  72
  73         if (params.empty()) {
  74                 msghead = 0;
  75                 return 0;
  76         }
  77         r = params.front();
  78         params.pop();
  79         msghead = params.front();
  80         payload -= strlen(r);
  81
  82         return r;
  83 }