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author | srs5694 <srs5694@users.sourceforge.net> | 2010-03-07 22:16:07 -0500 |
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committer | srs5694 <srs5694@users.sourceforge.net> | 2010-03-07 22:16:07 -0500 |
commit | 55d926192adc984462509b2966e23bc0d1129bbd (patch) | |
tree | bff8bea805e3fb0e15f7f3a0cd26a20fa12c5f29 /diskio-unix.cc | |
parent | ea17cffd083c839b7af3560d55ba697667277901 (diff) | |
download | sgdisk-55d926192adc984462509b2966e23bc0d1129bbd.tar.gz |
Updated project files for 0.6.5 release version.
Diffstat (limited to 'diskio-unix.cc')
-rw-r--r-- | diskio-unix.cc | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/diskio-unix.cc b/diskio-unix.cc index e955739..7d24301 100644 --- a/diskio-unix.cc +++ b/diskio-unix.cc @@ -34,7 +34,9 @@ void DiskIO::MakeRealName(void) { realFilename = userFilename; } // DiskIO::MakeRealName() -// Open the currently on-record file for reading +// Open the currently on-record file for reading. Returns 1 if the file is +// already open or is opened by this call, 0 if opening the file doesn't +// work. int DiskIO::OpenForRead(void) { int shouldOpen = 1; @@ -49,10 +51,11 @@ int DiskIO::OpenForRead(void) { if (shouldOpen) { fd = open(realFilename.c_str(), O_RDONLY); if (fd == -1) { - cerr << "Problem opening " << realFilename << " for reading! Error is " << errno << "\n"; - if (errno == EACCES) { // User is probably not running as root + cerr << "Problem opening " << realFilename << " for reading! Error is " << errno << ".\n"; + if (errno == EACCES) // User is probably not running as root cerr << "You must run this program as root or use sudo!\n"; - } // if + if (errno == ENOENT) + cerr << "The specified file does not exist!\n"; realFilename = ""; userFilename = ""; isOpen = 0; @@ -105,7 +108,7 @@ void DiskIO::Close(void) { // Returns block size of device pointed to by fd file descriptor. If the ioctl // returns an error condition, print a warning but return a value of SECTOR_SIZE -// (512).. +// (512). If the disk can't be opened at all, return a value of 0. int DiskIO::GetBlockSize(void) { int err = -1, blockSize = 0; @@ -134,6 +137,7 @@ int DiskIO::GetBlockSize(void) { if ((errno != ENOTTY) && (errno != EINVAL)) { cerr << "\aError " << errno << " when determining sector size! Setting sector size to " << SECTOR_SIZE << "\n"; + cout << "Disk device is " << realFilename << "\n"; } // if } // if (err == -1) } // if (isOpen) |