opengnsys
/
ntfs-3g
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Auto merged 

2004/01/07 15:48:41+00:00 cantab.net!aia21
Auto merged

2004/01/06 14:43:22+00:00 cantab.net!aia21
Auto merged

2003/11/19 00:40:18+00:00 flatcap.org!ntfs
Auto merged

2003/10/29 18:13:30+00:00 flatcap.org!ntfs
add dump_mem
remove junk that wasn't being used

(Logical change 1.299)
edge.strict_endians
cantab.net!aia21 2004-03-06 17:42:28 +00:00
parent d6c51bf64c
commit c4105e54e7
1 changed files with 47 additions and 59 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

106
ntfsprogs/utils.c
View File

@ -38,6 +38,7 @@
#endif
#include <stdlib.h>
#include <limits.h>
#include <ctype.h>
#include "config.h"
#include "utils.h"
@ -864,6 +865,52 @@ int utils_is_metadata (ntfs_inode *inode)
return 0;
}
/**
* utils_dump_mem - Display a block of memory in hex and ascii
* @buf: Buffer to be displayed
* @start: Offset into @buf to start from
* @length: Number of bytes to display
* @ascii: Whether or not to display the ascii values
*
* Display a block of memory in a tradition hex-dump manner.
* Optionally the ascii part can be turned off.
*/
void utils_dump_mem (u8 *buf, int start, int length, int ascii)
{
int off, i, s, e;
s = start & ~15; // round down
e = (start + length + 15) & ~15; // round up
for (off = s; off < e; off += 16) {
if (off == s)
printf("%6.6x ", start);
else
printf("%6.6x ", off);
for (i = 0; i < 16; i++) {
if (i == 8)
printf (" -");
if (((off+i) >= start) && ((off+i) < (start+length)))
printf (" %02X", buf[off+i]);
else
printf (" ");
}
if (ascii) {
printf (" ");
for (i = 0; i < 16; i++) {
if (((off+i) < start) || ((off+i) >= (start+length)))
printf (" ");
else if (isprint (buf[off + i]))
printf ("%c", buf[off + i]);
else
printf (".");
}
}
printf ("\n");
}
}
/**
* mft_get_search_ctx
@ -1021,62 +1068,3 @@ int mft_next_record (struct mft_search_ctx *ctx)
}
#if 0
hamming weight
inline unsigned int hweight32(unsigned int w)
{
unsigned int res = (w & 0x55555555) + ((w >> 1) & 0x55555555);
res = (res & 0x33333333) + ((res >> 2) & 0x33333333);
res = (res & 0x0F0F0F0F) + ((res >> 4) & 0x0F0F0F0F);
res = (res & 0x00FF00FF) + ((res >> 8) & 0x00FF00FF);
return (res & 0x0000FFFF) + ((res >> 16) & 0x0000FFFF);
}
inline unsigned int hweight16(unsigned int w)
{
unsigned int res = (w & 0x5555) + ((w >> 1) & 0x5555);
res = (res & 0x3333) + ((res >> 2) & 0x3333);
res = (res & 0x0F0F) + ((res >> 4) & 0x0F0F);
return (res & 0x00FF) + ((res >> 8) & 0x00FF);
}
inline unsigned int hweight8(unsigned int w)
{
unsigned int res = (w & 0x55) + ((w >> 1) & 0x55);
res = (res & 0x33) + ((res >> 2) & 0x33);
return (res & 0x0F) + ((res >> 4) & 0x0F);
}
inline int set_bit(int nr,long * addr)
{
int mask, retval;
addr += nr >> 5;
mask = 1 << (nr & 0x1f);
retval = (mask & *addr) != 0;
*addr |= mask;
return retval;
}
inline int clear_bit(int nr, long * addr)
{
int mask, retval;
addr += nr >> 5;
mask = 1 << (nr & 0x1f);
retval = (mask & *addr) != 0;
*addr &= ~mask;
return retval;
}
inline int test_bit(int nr, long * addr)
{
int mask;
addr += nr >> 5;
mask = 1 << (nr & 0x1f);
return ((mask & *addr) != 0);
}
#endif