LineageOS/android_external_gptfdisk
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Misc. updates and bug fixes

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This commit is contained in:
srs5694
2010-01-27 23:03:40 -05:00
parent 546a9c7c36
commit fed16d043a
20 changed files with 800 additions and 758 deletions
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39
diskio-unix.cc
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@@ -16,7 +16,7 @@
#define __STDC_CONSTANT_MACROS
#include <sys/ioctl.h>
#include <stdio.h>
#include <string.h>
#include <string>
#include <stdint.h>
#include <errno.h>
@@ -24,7 +24,6 @@
#include <sys/stat.h>
#include <iostream>
#include "support.h"
#include "diskio.h"
using namespace std;
@@ -50,10 +49,9 @@ int DiskIO::OpenForRead(void) {
if (shouldOpen) {
fd = open(realFilename.c_str(), O_RDONLY);
if (fd == -1) {
fprintf(stderr, "Problem opening %s for reading! Error is %d\n",
realFilename.c_str(), errno);
cerr << "Problem opening " << realFilename << " for reading! Error is " << errno << "\n";
if (errno == EACCES) { // User is probably not running as root
fprintf(stderr, "You must run this program as root or use sudo!\n");
cerr << "You must run this program as root or use sudo!\n";
} // if
realFilename = "";
userFilename = "";
@@ -82,7 +80,7 @@ int DiskIO::OpenForWrite(void) {
#ifdef __APPLE__
// MacOS X requires a shared lock under some circumstances....
if (fd < 0) {
fd = open(realFilename.c_str(), O_WRONLY | O_CREAT, S_IWUSR | S_IRUSR | S_IRGRP | S_IROTH | O_SHLOCK);
fd = open(realFilename.c_str(), O_WRONLY | O_SHLOCK);
} // if
#endif
if (fd >= 0) {
@@ -133,8 +131,8 @@ int DiskIO::GetBlockSize(void) {
// 32-bit code returns EINVAL, I don't know why. I know I'm treading on
// thin ice here, but it should be OK in all but very weird cases....
if ((errno != ENOTTY) && (errno != EINVAL)) {
printf("\aError %d when determining sector size! Setting sector size to %d\n",
errno, SECTOR_SIZE);
cerr << "\aError " << errno << " when determining sector size! Setting sector size to "
<< SECTOR_SIZE << "\n";
} // if
} // if (err == -1)
} // if (isOpen)
@@ -155,8 +153,8 @@ void DiskIO::DiskSync(void) {
if (isOpen) {
sync();
#ifdef __APPLE__
printf("Warning: The kernel may continue to use old or deleted partitions.\n"
"You should reboot or remove the drive.\n");
cout << "Warning: The kernel may continue to use old or deleted partitions.\n"
<< "You should reboot or remove the drive.\n";
/* don't know if this helps
* it definitely will get things on disk though:
* http://topiks.org/mac-os-x/0321278542/ch12lev1sec8.html */
@@ -166,22 +164,22 @@ void DiskIO::DiskSync(void) {
#ifdef __FreeBSD__
sleep(2);
i = ioctl(fd, DIOCGFLUSH);
printf("Warning: The kernel may continue to use old or deleted partitions.\n"
"You should reboot or remove the drive.\n");
cout << "Warning: The kernel may continue to use old or deleted partitions.\n"
<< "You should reboot or remove the drive.\n";
platformFound++;
#endif
#ifdef __linux__
sleep(2);
i = ioctl(fd, BLKRRPART);
if (i)
printf("Warning: The kernel is still using the old partition table.\n"
"The new table will be used at the next reboot.\n");
cout << "Warning: The kernel is still using the old partition table.\n"
<< "The new table will be used at the next reboot.\n";
platformFound++;
#endif
if (platformFound == 0)
fprintf(stderr, "Warning: Platform not recognized!\n");
cerr << "Warning: Platform not recognized!\n";
if (platformFound > 1)
fprintf(stderr, "\nWarning: We seem to be running on multiple platforms!\n");
cerr << "\nWarning: We seem to be running on multiple platforms!\n";
} // if (isOpen)
} // DiskIO::DiskSync()
@@ -233,9 +231,6 @@ int DiskIO::Read(void* buffer, int numBytes) {
// Read the data into temporary space, then copy it to buffer
retval = read(fd, tempSpace, numBlocks * blockSize);
memcpy(buffer, tempSpace, numBytes);
/* for (i = 0; i < numBytes; i++) {
((char*) buffer)[i] = tempSpace[i];
} // for */
// Adjust the return value, if necessary....
if (((numBlocks * blockSize) != numBytes) && (retval > 0))
@@ -347,7 +342,7 @@ uint64_t DiskIO::DiskSize(int *err) {
platformFound++;
#endif
if (platformFound != 1)
fprintf(stderr, "Warning! We seem to be running on no known platform!\n");
cerr << "Warning! We seem to be running on no known platform!\n";
// The above methods have failed, so let's assume it's a regular
// file (a QEMU image, dd backup, or what have you) and see what
@@ -356,8 +351,8 @@ uint64_t DiskIO::DiskSize(int *err) {
if (fstat64(fd, &st) == 0) {
bytes = (off_t) st.st_size;
if ((bytes % UINT64_C(512)) != 0)
fprintf(stderr, "Warning: File size is not a multiple of 512 bytes!"
" Misbehavior is likely!\n\a");
cerr << "Warning: File size is not a multiple of 512 bytes!"
<< " Misbehavior is likely!\n\a";
sectors = bytes / UINT64_C(512);
} // if
} // if