backvcs.c

Go to the documentation of this file.

/* (c) 2003 by Marcin Wiacek */

#include <string.h>
#include <ctype.h>

#include <gammu-config.h>

#include "../../misc/coding/coding.h"
#include "../../debug.h"
#include "../gsmlogo.h"
#include "../gsmmisc.h"
#include "backvcs.h"

#ifdef GSM_ENABLE_BACKUP

#define chk_fwrite(data, size, count, file) \
        if (fwrite(data, size, count, file) != count) goto fail;

GSM_Error SaveVCalendar(const char *FileName, GSM_Backup *backup)
{
        int             i;
        size_t Length = 0;
        unsigned char   Buffer[1000];
        FILE            *file;
        GSM_Error error;

        file = fopen(FileName, "wb");
        if (file == NULL) return ERR_CANTOPENFILE;

        Length=sprintf(Buffer, "BEGIN:VCALENDAR%c%c",13,10);
        Length+=sprintf(Buffer+Length, "VERSION:1.0%c%c",13,10);
        chk_fwrite(Buffer,1,Length,file);

        i=0;
        while (backup->Calendar[i]!=NULL) {
                sprintf(Buffer, "%c%c",13,10);
                chk_fwrite(Buffer,1,2,file);
                Length = 0;
                error = GSM_EncodeVCALENDAR(Buffer, sizeof(Buffer),&Length,backup->Calendar[i],FALSE,Nokia_VCalendar);
                if (error != ERR_NONE) {
                        fclose(file);
                        return error;
                }
                chk_fwrite(Buffer,1,Length,file);
                i++;
        }
        i=0;
        while (backup->ToDo[i]!=NULL) {
                sprintf(Buffer, "%c%c",13,10);
                chk_fwrite(Buffer,1,2,file);
                Length = 0;
                error = GSM_EncodeVTODO(Buffer, sizeof(Buffer),&Length,backup->ToDo[i],FALSE,Nokia_VToDo);
                if (error != ERR_NONE) {
                        fclose(file);
                        return error;
                }
                chk_fwrite(Buffer,1,Length,file);
                i++;
        }

        Length=sprintf(Buffer, "%c%cEND:VCALENDAR%c%c",13,10,13,10);
        chk_fwrite(Buffer,1,Length,file);

        fclose(file);
        return ERR_NONE;
fail:
        fclose(file);
        return ERR_WRITING_FILE;
}

GSM_Error LoadVCalendarPrivate(const char *FileName, GSM_Backup *backup, GSM_VCalendarVersion CalVer, GSM_VToDoVersion ToDoVer)
{
        GSM_File                File;
        GSM_Error               error;
        GSM_CalendarEntry       Calendar;
        GSM_ToDoEntry           ToDo;
        int                     numCal = 0, numToDo = 0;
        size_t Pos = 0;

        File.Buffer = NULL;
        error = GSM_ReadFile(FileName, &File);
        if (error != ERR_NONE) return error;

        while (1) {
                error = GSM_DecodeVCALENDAR_VTODO(NULL, File.Buffer, &Pos, &Calendar, &ToDo, CalVer, ToDoVer);
                if (error == ERR_EMPTY) {
                        error = ERR_NONE;
                        break;
                }
                if (error != ERR_NONE) break;
                if (Calendar.EntriesNum != 0) {
                        if (numCal < GSM_MAXCALENDARTODONOTES) {
                                backup->Calendar[numCal] = (GSM_CalendarEntry *)malloc(sizeof(GSM_CalendarEntry));
                                if (backup->Calendar[numCal] == NULL) {
                                        error = ERR_MOREMEMORY;
                                        break;
                                }
                                backup->Calendar[numCal + 1] = NULL;
                        } else {
                                dbgprintf(NULL, "Increase GSM_MAXCALENDARTODONOTES\n");
                                error = ERR_MOREMEMORY;
                                break;
                        }
                        memcpy(backup->Calendar[numCal],&Calendar,sizeof(GSM_CalendarEntry));
                        backup->Calendar[numCal]->Location = numCal + 1;
                        numCal++;
                }
                if (ToDo.EntriesNum != 0) {
                        if (numToDo < GSM_MAXCALENDARTODONOTES) {
                                backup->ToDo[numToDo] = (GSM_ToDoEntry *)malloc(sizeof(GSM_ToDoEntry));
                                if (backup->ToDo[numToDo] == NULL) {
                                        error = ERR_MOREMEMORY;
                                        break;
                                }
                                backup->ToDo[numToDo + 1] = NULL;
                        } else {
                                dbgprintf(NULL, "Increase GSM_MAXCALENDARTODONOTES\n");
                                error = ERR_MOREMEMORY;
                                break;
                        }
                        memcpy(backup->ToDo[numToDo], &ToDo, sizeof(GSM_ToDoEntry));
                        backup->ToDo[numToDo]->Location = numToDo + 1;
                        numToDo++;
                }
        }

        free(File.Buffer);
        File.Buffer=NULL;
        return error;
}

GSM_Error LoadVCalendar(const char *FileName, GSM_Backup *backup)
{
        return LoadVCalendarPrivate(FileName, backup, Nokia_VCalendar, Nokia_VToDo);
}

#endif

/* How should editor hadle tabs in this file? Add editor commands here.
 * vim: noexpandtab sw=8 ts=8 sts=8:
 */