Revert "Indicative inode hash bitmap implementation. Read details."

This reverts commit 547d87bfc2.
This commit is contained in:
Arun Prakash Jana 2019-11-23 10:07:05 +05:30
parent 547d87bfc2
commit c2998a819b
1 changed files with 5 additions and 60 deletions

View File

@ -186,7 +186,6 @@ typedef unsigned int uint;
typedef unsigned char uchar;
typedef unsigned short ushort;
typedef long long ll;
typedef unsigned long long ull;
/* STRUCTURES */
@ -196,7 +195,6 @@ typedef struct entry {
time_t t;
off_t size;
blkcnt_t blocks; /* number of 512B blocks allocated */
ino_t inode;
mode_t mode;
ushort nlen; /* Length of file name; can be uchar (< NAME_MAX + 1) */
uchar flags; /* Flags specific to the file */
@ -347,11 +345,6 @@ static char g_tmpfpath[TMP_LEN_MAX] __attribute__ ((aligned));
/* Buffer to store plugins control pipe location */
static char g_pipepath[TMP_LEN_MAX] __attribute__ ((aligned));
#define HASH_BITS (0xFFFFFF)
#define HASH_OCTETS (HASH_BITS >> 6)
/* Buffer to hold inode hash bit for selection */
static ull *ihashbmp;
/* Plugin control initialization status */
static bool g_plinit = FALSE;
@ -580,43 +573,6 @@ static inline bool getutil(char *util);
/* Functions */
/*
* Source: https://elixir.bootlin.com/linux/latest/source/arch/alpha/include/asm/bitops.h#L314
*/
static bool test_set_bit(ull nr)
{
ull *m = ((ull *)ihashbmp) + (nr >> 6);
if (*m & (1 << (nr & 63)))
return FALSE;
*m |= 1 << (nr & 63);
return TRUE;
}
#if 0
static bool test_clear_bit(ull nr)
{
ull *m = ((ull *) ihashbmp) + (nr >> 6);
if (!(*m & (1 << (nr & 63))))
return FALSE;
*m &= ~(1 << (nr & 63));
return TRUE;
}
#endif
static void clear_hash()
{
ulong i = 0;
ull *addr = ihashbmp;
for (; i < HASH_OCTETS; ++i, ++addr)
if (*addr)
*addr = 0;
}
static void sigint_handler(int sig)
{
(void) sig;
@ -1033,8 +989,6 @@ static void endselection(void)
if (cfg.selmode) {
cfg.selmode = 0;
clear_hash();
if (selbufpos) { /* File path(s) written to the buffer */
writesel(pselbuf, selbufpos - 1); /* Truncate NULL from end */
spawn(copier, NULL, NULL, NULL, F_NOTRACE);
@ -1122,7 +1076,8 @@ static bool editselection(void)
}
nselected = lines;
endselection();
writesel(pselbuf, selbufpos - 1);
spawn(copier, NULL, NULL, NULL, F_NOTRACE);
return TRUE;
@ -3662,7 +3617,6 @@ static int dentfill(char *path, struct entry **dents)
* Known drawbacks:
* - the symlink size is set to 0
* - the modification time of the symlink is set to that of the target file
* - the inode number is that of the target file
*/
flags = AT_SYMLINK_NOFOLLOW;
}
@ -3770,7 +3724,6 @@ static int dentfill(char *path, struct entry **dents)
/* Copy other fields */
dentp->t = cfg.mtime ? sb.st_mtime : sb.st_atime;
dentp->inode = sb.st_ino;
#ifndef __sun
if (!flags && dp->d_type == DT_LNK) {
/* Do not add sizes for links */
@ -4787,7 +4740,7 @@ nochange:
rangesel = FALSE;
/* Do not select if already selected */
if (test_set_bit((ull)dents[cur].inode)) {
if (!(dents[cur].flags & FILE_SELECTED)) {
appendfpath(newpath, mkpath(path, dents[cur].name, newpath));
++nselected;
@ -4849,16 +4802,12 @@ nochange:
selendid = ndents - 1;
}
for (r = selstartid; r <= selendid; ++r) {
if (test_set_bit((ull)dents[r].inode)) {
for (r = selstartid; r <= selendid; ++r)
if (!(dents[r].flags & FILE_SELECTED)) {
appendfpath(newpath, mkpath(path, dents[r].name, newpath));
dents[r].flags |= FILE_SELECTED;
++nselected;
} else {
DPRINTF_S(dents[r].name);
DPRINTF_U(dents[r].inode);
}
}
/* Show the range count */
//r = selendid - selstartid + 1;
@ -5495,7 +5444,6 @@ static void cleanup(void)
free(initpath);
free(bmstr);
free(pluginstr);
free(ihashbmp);
unlink(g_pipepath);
@ -5794,9 +5742,6 @@ int main(int argc, char *argv[])
if (!initcurses(&mask))
return _FAILURE;
ihashbmp = malloc(HASH_OCTETS << 3);
memset(ihashbmp, 0, HASH_OCTETS << 3);
browse(initpath, session);
mousemask(mask, NULL);
exitcurses();