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Add MTK6575/6577 EMMC partitions backup support

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taken from https://github.com/mrjavum/Team-Win-Recovery-Project/commit/140ff0cde8ad2236caf7bcd480d257d74d8b85bc

"sorocean.gor@gmail.com"

Change-Id: I1a97160c73c7a0bab0535e938d6b35dc09585037
This commit is contained in:
igoriok
2013-01-31 21:03:53 +02:00
committed by Dees_Troy
parent 10c11f67cf
commit 87e3d93edc
1 changed files with 29 additions and 3 deletions
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partition.cpp
+29 -3
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@@ -620,6 +620,29 @@ bool TWPartition::Find_Partition_Size(void) {
char line[512];
string tmpdevice;
fp = fopen("/proc/dumchar_info", "rt");
if (fp != NULL) {
while (fgets(line, sizeof(line), fp) != NULL)
{
char label[32], device[32];
unsigned long size = 0;
sscanf(line, "%s %lx %*lx %*lu %s", label, &size, device);
// Skip header, annotation and blank lines
if ((strncmp(device, "/dev/", 5) != 0) || (strlen(line) < 8))
continue;
tmpdevice = "/dev/";
tmpdevice += label;
if (tmpdevice == Primary_Block_Device || tmpdevice == Alternate_Block_Device) {
Size = size;
fclose(fp);
return true;
}
}
}
// In this case, we'll first get the partitions we care about (with labels)
fp = fopen("/proc/partitions", "rt");
if (fp == NULL)
@@ -1344,10 +1367,13 @@ bool TWPartition::Backup_Tar(string backup_folder) {
}
bool TWPartition::Backup_DD(string backup_folder) {
char back_name[255];
string Full_FileName, Command, result;
char back_name[255], backup_size[32];
string Full_FileName, Command, result, DD_BS;
int use_compression;
sprintf(backup_size, "%llu", Backup_Size);
DD_BS = backup_size;
TWFunc::GUI_Operation_Text(TW_BACKUP_TEXT, Display_Name, "Backing Up");
ui_print("Backing up %s...\n", Display_Name.c_str());
@@ -1356,7 +1382,7 @@ bool TWPartition::Backup_DD(string backup_folder) {
Full_FileName = backup_folder + "/" + Backup_FileName;
Command = "dd if=" + Actual_Block_Device + " of='" + Full_FileName + "'";
Command = "dd if=" + Actual_Block_Device + " of='" + Full_FileName + "'" + " bs=" + DD_BS + "c count=1";
LOGI("Backup command: '%s'\n", Command.c_str());
TWFunc::Exec_Cmd(Command, result);
if (TWFunc::Get_File_Size(Full_FileName) == 0) {