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Coded by Jonas Sundstr��m

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@1397 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Phil Greenway 2002-10-06 10:10:16 +00:00
parent 85dfab2ba8
commit 8353a17f9c
1 changed files with 203 additions and 0 deletions
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203
src/apps/bin/df.cpp Normal file
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// df - for OpenBeOS
//
// authors, in order of contribution:
// jonas.sundstrom@kirilla.com
//
#include <stdio.h>
#include <string.h>
#include <String.h>
#include <fs_info.h>
#include <fs_index.h>
#include <Volume.h>
#include <Directory.h>
#include <Path.h>
void PrintUsageInfo (void);
void PrintFlagSupport (uint32 dev_flags, uint32 test_flag, char * flag_descr, bool verbose);
void PrintMountPoint (dev_t dev_num, bool verbose);
void PrintType (const char * fsh_name);
void PrintBlocks (int64 blocks);
int main (int32 argc, char **argv)
{
bool verbose = false;
if (argc > 1)
{
BString option = argv[1];
option.ToLower();
if (option == "--help")
{
PrintUsageInfo();
return (0);
}
if (option == "--verbose")
{
verbose = true;
}
}
if (! verbose)
{
printf( "Mount Type Total Free Flags Device\n"
"---------------- -------- -------- -------- ------- --------------------------\n");
}
dev_t device_num = 0;
int32 cookie = 0;
fs_info info;
while (1)
{
device_num = next_dev(& cookie);
if (device_num != B_BAD_VALUE)
{
if(fs_stat_dev(device_num, &info) == B_OK)
{
if (verbose)
{
PrintMountPoint (info.dev, verbose);
printf("device: %ld\n", info.dev);
printf("volume_name: %s\n", info.volume_name);
printf("fsh_name: %s\n", info.fsh_name);
printf("device_name: %s\n", info.device_name);
printf("flags: %lu\n", info.flags);
PrintFlagSupport (info.flags, B_FS_HAS_MIME, "mimetypes:", verbose);
PrintFlagSupport (info.flags, B_FS_HAS_ATTR, "attributes:", verbose);
PrintFlagSupport (info.flags, B_FS_HAS_QUERY, "queries:", verbose);
PrintFlagSupport (info.flags, B_FS_IS_READONLY, "readonly:", verbose);
PrintFlagSupport (info.flags, B_FS_IS_REMOVABLE, "removable:", verbose);
PrintFlagSupport (info.flags, B_FS_IS_PERSISTENT, "persistent:", verbose);
PrintFlagSupport (info.flags, B_FS_IS_SHARED, "shared:", verbose);
printf("block_size: %Ld\n", info.block_size);
printf("io_size: %Ld\n", info.io_size);
printf("total_blocks: %Ld\n", info.total_blocks);
printf("free_blocks: %Ld\n", info.free_blocks);
printf("total_nodes: %Ld\n", info.total_nodes);
printf("free_nodes: %Ld\n", info.free_nodes);
printf("root inode: %Ld\n", info.root);
printf("--------------------------------\n");
}
else // compact, default mode
{
PrintMountPoint (info.dev, verbose);
PrintType(info.fsh_name);
PrintBlocks(info.total_blocks);
PrintBlocks(info.free_blocks);
PrintFlagSupport (info.flags, B_FS_HAS_QUERY, "Q", verbose);
PrintFlagSupport (info.flags, B_FS_HAS_ATTR, "A", verbose);
PrintFlagSupport (info.flags, B_FS_HAS_MIME, "M", verbose);
PrintFlagSupport (info.flags, B_FS_IS_SHARED, "S", verbose);
PrintFlagSupport (info.flags, B_FS_IS_PERSISTENT, "P", verbose);
PrintFlagSupport (info.flags, B_FS_IS_REMOVABLE, "R", verbose);
PrintFlagSupport (info.flags, B_FS_IS_READONLY, NULL, verbose);
printf(" ");
printf("%s\n", info.device_name);
}
}
}
else
break;
}
return (0);
}
void PrintUsageInfo (void)
{
printf ("usage: df [--verbose | --help]\n"
" flags:\n"
" Q: has query\n"
" A: has attribute\n"
" M: has mime\n"
" S: is shared\n"
" R: is removable\n"
" W: is writable\n"
);
}
void PrintFlagSupport (uint32 dev_flags, uint32 test_flag, char * flag_descr, bool verbose)
{
if (verbose)
{
if (dev_flags & test_flag)
printf("%s yes\n", flag_descr);
else
printf("%s no\n", flag_descr);
}
else
{
if (test_flag == B_FS_IS_READONLY)
{
if (dev_flags & test_flag)
printf("-");
else
printf("W");
return;
}
if (dev_flags & test_flag)
printf("%s", flag_descr);
else
printf("-");
}
}
void PrintMountPoint (dev_t dev_num, bool verbose)
{
BString mounted_at = " ";
BVolume volume (dev_num);
BDirectory vol_dir;
volume.GetRootDirectory(& vol_dir);
BPath path (& vol_dir, NULL);
mounted_at.Insert(path.Path(), 0);
if (verbose)
{
printf("Mounted at: %s\n", mounted_at.String());
}
else
{
mounted_at.Truncate(17);
printf("%s", mounted_at.String());
}
}
void PrintType (const char * fsh_name)
{
BString type = " ";
type.Insert(fsh_name, 0);
type.Truncate(9);
printf("%s", type.String());
}
void PrintBlocks (int64 blocks)
{
char * temp = new char [1024];
sprintf(temp, "%Ld", blocks);
BString type = " ";
type.Insert(temp, 8 - strlen(temp));
type.Truncate(9);
printf("%s", type.String());
delete [] temp;
}