1 files changed, 144 insertions, 0 deletions
diff --git a/libgammu/service/backup/backvcs.c b/libgammu/service/backup/backvcs.c
new file mode 100644
index 0000000..fde76f5
--- /dev/null
+++ b/libgammu/service/backup/backvcs.c
@@ -0,0 +1,144 @@
+/* (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
+
+/**
+ * Helper define to check error code from fwrite.
+ */
+#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:
+ */