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Don't use pointers to store numbers, use a union.

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Fixed MSVC makefile use of /Wp64 flag.
This commit is contained in:
Bram Moolenaar 2010-06-01 19:58:08 +02:00
parent 914703bee2
commit 83d09bb85e
4 changed files with 166 additions and 138 deletions
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1
runtime/doc/todo.txt
View File

@ -1085,6 +1085,7 @@ Vim 7.3:
- using NSIS 2.46: install on Windows 7 works, but no "Edit with Vim" menu.
Use register_shell_extension()? (George Reilly, 2010 May 26)
Ron's version: http://dev.ronware.org/p/vim/finfo?name=gvim.nsi
- Undo code: use union to store long in place of pointers?
- Also crypt the swap file, each block separately. Change mf_write() and
mf_read(). How to get b_p_key to these functions?
Generate seed for each block, store in pointer block. Block 1 is not

14
src/Make_mvc.mak
View File

@ -208,11 +208,8 @@ MAKEFLAGS_GVIMEXT = DEBUG=yes
!include <Win32.mak>
# Turn on Win64 compatibility warnings for VC7.x and VC8.
# (/Wp64 is deprecated in VC9 and generates an obnoxious warning.)
!if ("$(MSVCVER)" == "7.0") || ("$(MSVCVER)" == "7.1") || ("$(MSVCVER)" == "8.0")
DEFINES=$(DEFINES) /Wp64
!endif
# May turn on Win64 compatibility warnings for VC7.x and VC8.
WP64CHECK = /Wp64
#>>>>> path of the compiler and linker; name of include and lib directories
# PATH = c:\msvc20\bin;$(PATH)
@ -414,12 +411,19 @@ OPTFLAG = /O2
!else # MAXSPEED
OPTFLAG = /Ox
!endif
!if ("$(MSVCVER)" == "8.0") || ("$(MSVCVER)" == "9.0") || ("$(MSVCVER)" == "10.0")
# Use link time code generation if not worried about size
!if "$(OPTIMIZE)" != "SPACE"
OPTFLAG = $(OPTFLAG) /GL
!endif
!endif
# (/Wp64 is deprecated in VC9 and generates an obnoxious warning.)
!if ("$(MSVCVER)" == "7.0") || ("$(MSVCVER)" == "7.1") || ("$(MSVCVER)" == "8.0")
CFLAGS=$(CFLAGS) $(WP64CHECK)
!endif
CFLAGS = $(CFLAGS) $(OPTFLAG) -DNDEBUG $(CPUARG)
RCFLAGS = $(rcflags) $(rcvars) -DNDEBUG
! ifdef USE_MSVCRT

22
src/structs.h
View File

@ -287,10 +287,24 @@ struct u_entry
struct u_header
{
u_header_T *uh_next; /* pointer to next undo header in list */
u_header_T *uh_prev; /* pointer to previous header in list */
u_header_T *uh_alt_next; /* pointer to next header for alt. redo */
u_header_T *uh_alt_prev; /* pointer to previous header for alt. redo */
/* The following have a pointer and a number. The number is used when
* reading the undo file in u_read_undo() */
union {
u_header_T *ptr; /* pointer to next undo header in list */
long seq;
} uh_next;
union {
u_header_T *ptr; /* pointer to previous header in list */
long seq;
} uh_prev;
union {
u_header_T *ptr; /* pointer to next header for alt. redo */
long seq;
} uh_alt_next;
union {
u_header_T *ptr; /* pointer to previous header for alt. redo */
long seq;
} uh_alt_prev;
long uh_seq; /* sequence number, higher == newer undo */
int uh_walk; /* used by undo_time() */
u_entry_T *uh_entry; /* pointer to first entry */

267
src/undo.c
View File

@ -162,17 +162,17 @@ u_check_tree(u_header_T *uhp,
else
{
/* Check pointers back are correct. */
if (uhp->uh_next != exp_uh_next)
if (uhp->uh_next.ptr != exp_uh_next)
{
EMSG("uh_next wrong");
smsg((char_u *)"expected: 0x%x, actual: 0x%x",
exp_uh_next, uhp->uh_next);
exp_uh_next, uhp->uh_next.ptr);
}
if (uhp->uh_alt_prev != exp_uh_alt_prev)
if (uhp->uh_alt_prev.ptr != exp_uh_alt_prev)
{
EMSG("uh_alt_prev wrong");
smsg((char_u *)"expected: 0x%x, actual: 0x%x",
exp_uh_alt_prev, uhp->uh_alt_prev);
exp_uh_alt_prev, uhp->uh_alt_prev.ptr);
}
/* Check the undo tree at this header. */
@ -186,10 +186,10 @@ u_check_tree(u_header_T *uhp,
}
/* Check the next alt tree. */
u_check_tree(uhp->uh_alt_next, uhp->uh_next, uhp);
u_check_tree(uhp->uh_alt_next.ptr, uhp->uh_next.ptr, uhp);
/* Check the next header in this branch. */
u_check_tree(uhp->uh_prev, uhp, NULL);
u_check_tree(uhp->uh_prev.ptr, uhp, NULL);
}
}
@ -414,7 +414,7 @@ u_savecommon(top, bot, newbot)
old_curhead = curbuf->b_u_curhead;
if (old_curhead != NULL)
{
curbuf->b_u_newhead = old_curhead->uh_next;
curbuf->b_u_newhead = old_curhead->uh_next.ptr;
curbuf->b_u_curhead = NULL;
}
@ -428,14 +428,14 @@ u_savecommon(top, bot, newbot)
if (uhfree == old_curhead)
/* Can't reconnect the branch, delete all of it. */
u_freebranch(curbuf, uhfree, &old_curhead);
else if (uhfree->uh_alt_next == NULL)
else if (uhfree->uh_alt_next.ptr == NULL)
/* There is no branch, only free one header. */
u_freeheader(curbuf, uhfree, &old_curhead);
else
{
/* Free the oldest alternate branch as a whole. */
while (uhfree->uh_alt_next != NULL)
uhfree = uhfree->uh_alt_next;
while (uhfree->uh_alt_next.ptr != NULL)
uhfree = uhfree->uh_alt_next.ptr;
u_freebranch(curbuf, uhfree, &old_curhead);
}
#ifdef U_DEBUG
@ -451,22 +451,22 @@ u_savecommon(top, bot, newbot)
return OK;
}
uhp->uh_prev = NULL;
uhp->uh_next = curbuf->b_u_newhead;
uhp->uh_alt_next = old_curhead;
uhp->uh_prev.ptr = NULL;
uhp->uh_next.ptr = curbuf->b_u_newhead;
uhp->uh_alt_next.ptr = old_curhead;
if (old_curhead != NULL)
{
uhp->uh_alt_prev = old_curhead->uh_alt_prev;
if (uhp->uh_alt_prev != NULL)
uhp->uh_alt_prev->uh_alt_next = uhp;
old_curhead->uh_alt_prev = uhp;
uhp->uh_alt_prev.ptr = old_curhead->uh_alt_prev.ptr;
if (uhp->uh_alt_prev.ptr != NULL)
uhp->uh_alt_prev.ptr->uh_alt_next.ptr = uhp;
old_curhead->uh_alt_prev.ptr = uhp;
if (curbuf->b_u_oldhead == old_curhead)
curbuf->b_u_oldhead = uhp;
}
else
uhp->uh_alt_prev = NULL;
uhp->uh_alt_prev.ptr = NULL;
if (curbuf->b_u_newhead != NULL)
curbuf->b_u_newhead->uh_prev = uhp;
curbuf->b_u_newhead->uh_prev.ptr = uhp;
uhp->uh_seq = ++curbuf->b_u_seq_last;
curbuf->b_u_seq_cur = uhp->uh_seq;
@ -874,10 +874,10 @@ serialize_uhp(fp, buf, uhp)
if (put_bytes(fp, (long_u)UF_HEADER_MAGIC, 2) == FAIL)
return FAIL;
put_header_ptr(fp, uhp->uh_next);
put_header_ptr(fp, uhp->uh_prev);
put_header_ptr(fp, uhp->uh_alt_next);
put_header_ptr(fp, uhp->uh_alt_prev);
put_header_ptr(fp, uhp->uh_next.ptr);
put_header_ptr(fp, uhp->uh_prev.ptr);
put_header_ptr(fp, uhp->uh_alt_next.ptr);
put_header_ptr(fp, uhp->uh_alt_prev.ptr);
put_bytes(fp, uhp->uh_seq, 4);
serialize_pos(uhp->uh_cursor, fp);
#ifdef FEAT_VIRTUALEDIT
@ -930,13 +930,10 @@ unserialize_uhp(fp, file_name)
#ifdef U_DEBUG
uhp->uh_magic = UH_MAGIC;
#endif
/* We're not actually trying to store pointers here. We're just storing
* uh_seq numbers of the header pointed to, so we can swizzle them into
* pointers later - hence the type cast. */
uhp->uh_next = (u_header_T *)(long_u)get4c(fp);
uhp->uh_prev = (u_header_T *)(long_u)get4c(fp);
uhp->uh_alt_next = (u_header_T *)(long_u)get4c(fp);
uhp->uh_alt_prev = (u_header_T *)(long_u)get4c(fp);
uhp->uh_next.seq = get4c(fp);
uhp->uh_prev.seq = get4c(fp);
uhp->uh_alt_next.seq = get4c(fp);
uhp->uh_alt_prev.seq = get4c(fp);
uhp->uh_seq = get4c(fp);
if (uhp->uh_seq <= 0)
{
@ -1362,17 +1359,18 @@ u_write_undo(name, forceit, buf, hash)
}
/* Now walk through the tree - algorithm from undo_time(). */
if (uhp->uh_prev != NULL && uhp->uh_prev->uh_walk != mark)
uhp = uhp->uh_prev;
else if (uhp->uh_alt_next != NULL && uhp->uh_alt_next->uh_walk != mark)
uhp = uhp->uh_alt_next;
else if (uhp->uh_next != NULL && uhp->uh_alt_prev == NULL
&& uhp->uh_next->uh_walk != mark)
uhp = uhp->uh_next;
else if (uhp->uh_alt_prev != NULL)
uhp = uhp->uh_alt_prev;
if (uhp->uh_prev.ptr != NULL && uhp->uh_prev.ptr->uh_walk != mark)
uhp = uhp->uh_prev.ptr;
else if (uhp->uh_alt_next.ptr != NULL
&& uhp->uh_alt_next.ptr->uh_walk != mark)
uhp = uhp->uh_alt_next.ptr;
else if (uhp->uh_next.ptr != NULL && uhp->uh_alt_prev.ptr == NULL
&& uhp->uh_next.ptr->uh_walk != mark)
uhp = uhp->uh_next.ptr;
else if (uhp->uh_alt_prev.ptr != NULL)
uhp = uhp->uh_alt_prev.ptr;
else
uhp = uhp->uh_next;
uhp = uhp->uh_next.ptr;
}
if (put_bytes(fp, (long_u)UF_HEADER_END_MAGIC, 2) == OK)
@ -1611,43 +1609,52 @@ u_read_undo(name, hash, orig_name)
#endif
/* We have put all of the headers into a table. Now we iterate through the
* table and swizzle each sequence number we have stored in uh_* into a
* pointer corresponding to the header with that sequence number. */
* table and swizzle each sequence number we have stored in uh_*_seq into
* a pointer corresponding to the header with that sequence number. */
for (i = 0; i < num_head; i++)
{
uhp = uhp_table[i];
if (uhp == NULL)
continue;
for (j = 0; j < num_head; j++)
{
if (uhp_table[j] == NULL)
continue;
if (i != j && uhp_table[i]->uh_seq == uhp_table[j]->uh_seq)
if (uhp_table[j] != NULL && i != j
&& uhp_table[i]->uh_seq == uhp_table[j]->uh_seq)
{
corruption_error("duplicate uh_seq", file_name);
goto error;
}
if (uhp_table[j]->uh_seq == (long)uhp->uh_next)
for (j = 0; j < num_head; j++)
if (uhp_table[j] != NULL
&& uhp_table[j]->uh_seq == uhp->uh_next.seq)
{
uhp->uh_next = uhp_table[j];
uhp->uh_next.ptr = uhp_table[j];
SET_FLAG(j);
break;
}
if (uhp_table[j]->uh_seq == (long)uhp->uh_prev)
for (j = 0; j < num_head; j++)
if (uhp_table[j] != NULL
&& uhp_table[j]->uh_seq == uhp->uh_prev.seq)
{
uhp->uh_prev = uhp_table[j];
uhp->uh_prev.ptr = uhp_table[j];
SET_FLAG(j);
break;
}
if (uhp_table[j]->uh_seq == (long)uhp->uh_alt_next)
for (j = 0; j < num_head; j++)
if (uhp_table[j] != NULL
&& uhp_table[j]->uh_seq == uhp->uh_alt_next.seq)
{
uhp->uh_alt_next = uhp_table[j];
uhp->uh_alt_next.ptr = uhp_table[j];
SET_FLAG(j);
break;
}
if (uhp_table[j]->uh_seq == (long)uhp->uh_alt_prev)
for (j = 0; j < num_head; j++)
if (uhp_table[j] != NULL
&& uhp_table[j]->uh_seq == uhp->uh_alt_prev.seq)
{
uhp->uh_alt_prev = uhp_table[j];
uhp->uh_alt_prev.ptr = uhp_table[j];
SET_FLAG(j);
break;
}
}
if (old_header_seq > 0 && old_idx < 0 && uhp->uh_seq == old_header_seq)
{
old_idx = i;
@ -1778,7 +1785,7 @@ u_doit(startcount)
curbuf->b_u_curhead = curbuf->b_u_newhead;
else if (p_ul > 0) /* multi level undo */
/* get next undo */
curbuf->b_u_curhead = curbuf->b_u_curhead->uh_next;
curbuf->b_u_curhead = curbuf->b_u_curhead->uh_next.ptr;
/* nothing to undo */
if (curbuf->b_u_numhead == 0 || curbuf->b_u_curhead == NULL)
{
@ -1812,9 +1819,9 @@ u_doit(startcount)
/* Advance for next redo. Set "newhead" when at the end of the
* redoable changes. */
if (curbuf->b_u_curhead->uh_prev == NULL)
if (curbuf->b_u_curhead->uh_prev.ptr == NULL)
curbuf->b_u_newhead = curbuf->b_u_curhead;
curbuf->b_u_curhead = curbuf->b_u_curhead->uh_prev;
curbuf->b_u_curhead = curbuf->b_u_curhead->uh_prev.ptr;
}
}
u_undo_end(undo_undoes, FALSE);
@ -1950,36 +1957,36 @@ undo_time(step, sec, absolute)
break;
/* go down in the tree if we haven't been there */
if (uhp->uh_prev != NULL && uhp->uh_prev->uh_walk != nomark
&& uhp->uh_prev->uh_walk != mark)
uhp = uhp->uh_prev;
if (uhp->uh_prev.ptr != NULL && uhp->uh_prev.ptr->uh_walk != nomark
&& uhp->uh_prev.ptr->uh_walk != mark)
uhp = uhp->uh_prev.ptr;
/* go to alternate branch if we haven't been there */
else if (uhp->uh_alt_next != NULL
&& uhp->uh_alt_next->uh_walk != nomark
&& uhp->uh_alt_next->uh_walk != mark)
uhp = uhp->uh_alt_next;
else if (uhp->uh_alt_next.ptr != NULL
&& uhp->uh_alt_next.ptr->uh_walk != nomark
&& uhp->uh_alt_next.ptr->uh_walk != mark)
uhp = uhp->uh_alt_next.ptr;
/* go up in the tree if we haven't been there and we are at the
* start of alternate branches */
else if (uhp->uh_next != NULL && uhp->uh_alt_prev == NULL
&& uhp->uh_next->uh_walk != nomark
&& uhp->uh_next->uh_walk != mark)
else if (uhp->uh_next.ptr != NULL && uhp->uh_alt_prev.ptr == NULL
&& uhp->uh_next.ptr->uh_walk != nomark
&& uhp->uh_next.ptr->uh_walk != mark)
{
/* If still at the start we don't go through this change. */
if (uhp == curbuf->b_u_curhead)
uhp->uh_walk = nomark;
uhp = uhp->uh_next;
uhp = uhp->uh_next.ptr;
}
else
{
/* need to backtrack; mark this node as useless */
uhp->uh_walk = nomark;
if (uhp->uh_alt_prev != NULL)
uhp = uhp->uh_alt_prev;
if (uhp->uh_alt_prev.ptr != NULL)
uhp = uhp->uh_alt_prev.ptr;
else
uhp = uhp->uh_next;
uhp = uhp->uh_next.ptr;
}
}
@ -2019,7 +2026,7 @@ undo_time(step, sec, absolute)
if (uhp == NULL)
uhp = curbuf->b_u_newhead;
else
uhp = uhp->uh_next;
uhp = uhp->uh_next.ptr;
if (uhp == NULL || uhp->uh_walk != mark
|| (uhp->uh_seq == target && !above))
break;
@ -2035,33 +2042,34 @@ undo_time(step, sec, absolute)
while (uhp != NULL)
{
/* Go back to the first branch with a mark. */
while (uhp->uh_alt_prev != NULL
&& uhp->uh_alt_prev->uh_walk == mark)
uhp = uhp->uh_alt_prev;
while (uhp->uh_alt_prev.ptr != NULL
&& uhp->uh_alt_prev.ptr->uh_walk == mark)
uhp = uhp->uh_alt_prev.ptr;
/* Find the last branch with a mark, that's the one. */
last = uhp;
while (last->uh_alt_next != NULL
&& last->uh_alt_next->uh_walk == mark)
last = last->uh_alt_next;
while (last->uh_alt_next.ptr != NULL
&& last->uh_alt_next.ptr->uh_walk == mark)
last = last->uh_alt_next.ptr;
if (last != uhp)
{
/* Make the used branch the first entry in the list of
* alternatives to make "u" and CTRL-R take this branch. */
while (uhp->uh_alt_prev != NULL)
uhp = uhp->uh_alt_prev;
if (last->uh_alt_next != NULL)
last->uh_alt_next->uh_alt_prev = last->uh_alt_prev;
last->uh_alt_prev->uh_alt_next = last->uh_alt_next;
last->uh_alt_prev = NULL;
last->uh_alt_next = uhp;
uhp->uh_alt_prev = last;
while (uhp->uh_alt_prev.ptr != NULL)
uhp = uhp->uh_alt_prev.ptr;
if (last->uh_alt_next.ptr != NULL)
last->uh_alt_next.ptr->uh_alt_prev.ptr =
last->uh_alt_prev.ptr;
last->uh_alt_prev.ptr->uh_alt_next.ptr = last->uh_alt_next.ptr;
last->uh_alt_prev.ptr = NULL;
last->uh_alt_next.ptr = uhp;
uhp->uh_alt_prev.ptr = last;
if (curbuf->b_u_oldhead == uhp)
curbuf->b_u_oldhead = last;
uhp = last;
if (uhp->uh_next != NULL)
uhp->uh_next->uh_prev = uhp;
if (uhp->uh_next.ptr != NULL)
uhp->uh_next.ptr->uh_prev.ptr = uhp;
}
curbuf->b_u_curhead = uhp;
@ -2080,15 +2088,15 @@ undo_time(step, sec, absolute)
/* Advance "curhead" to below the header we last used. If it
* becomes NULL then we need to set "newhead" to this leaf. */
if (uhp->uh_prev == NULL)
if (uhp->uh_prev.ptr == NULL)
curbuf->b_u_newhead = uhp;
curbuf->b_u_curhead = uhp->uh_prev;
curbuf->b_u_curhead = uhp->uh_prev.ptr;
did_undo = FALSE;
if (uhp->uh_seq == target) /* found it! */
break;
uhp = uhp->uh_prev;
uhp = uhp->uh_prev.ptr;
if (uhp == NULL || uhp->uh_walk != mark)
{
/* Need to redo more but can't find it... */
@ -2417,15 +2425,15 @@ u_undo_end(did_undo, absolute)
if (curbuf->b_u_curhead != NULL)
{
/* For ":undo N" we prefer a "after #N" message. */
if (absolute && curbuf->b_u_curhead->uh_next != NULL)
if (absolute && curbuf->b_u_curhead->uh_next.ptr != NULL)
{
uhp = curbuf->b_u_curhead->uh_next;
uhp = curbuf->b_u_curhead->uh_next.ptr;
did_undo = FALSE;
}
else if (did_undo)
uhp = curbuf->b_u_curhead;
else
uhp = curbuf->b_u_curhead->uh_next;
uhp = curbuf->b_u_curhead->uh_next.ptr;
}
else
uhp = curbuf->b_u_newhead;
@ -2492,7 +2500,7 @@ ex_undolist(eap)
uhp = curbuf->b_u_oldhead;
while (uhp != NULL)
{
if (uhp->uh_prev == NULL && uhp->uh_walk != nomark
if (uhp->uh_prev.ptr == NULL && uhp->uh_walk != nomark
&& uhp->uh_walk != mark)
{
if (ga_grow(&ga, 1) == FAIL)
@ -2507,26 +2515,26 @@ ex_undolist(eap)
uhp->uh_walk = mark;
/* go down in the tree if we haven't been there */
if (uhp->uh_prev != NULL && uhp->uh_prev->uh_walk != nomark
&& uhp->uh_prev->uh_walk != mark)
if (uhp->uh_prev.ptr != NULL && uhp->uh_prev.ptr->uh_walk != nomark
&& uhp->uh_prev.ptr->uh_walk != mark)
{
uhp = uhp->uh_prev;
uhp = uhp->uh_prev.ptr;
++changes;
}
/* go to alternate branch if we haven't been there */
else if (uhp->uh_alt_next != NULL
&& uhp->uh_alt_next->uh_walk != nomark
&& uhp->uh_alt_next->uh_walk != mark)
uhp = uhp->uh_alt_next;
else if (uhp->uh_alt_next.ptr != NULL
&& uhp->uh_alt_next.ptr->uh_walk != nomark
&& uhp->uh_alt_next.ptr->uh_walk != mark)
uhp = uhp->uh_alt_next.ptr;
/* go up in the tree if we haven't been there and we are at the
* start of alternate branches */
else if (uhp->uh_next != NULL && uhp->uh_alt_prev == NULL
&& uhp->uh_next->uh_walk != nomark
&& uhp->uh_next->uh_walk != mark)
else if (uhp->uh_next.ptr != NULL && uhp->uh_alt_prev.ptr == NULL
&& uhp->uh_next.ptr->uh_walk != nomark
&& uhp->uh_next.ptr->uh_walk != mark)
{
uhp = uhp->uh_next;
uhp = uhp->uh_next.ptr;
--changes;
}
@ -2534,11 +2542,11 @@ ex_undolist(eap)
{
/* need to backtrack; mark this node as done */
uhp->uh_walk = nomark;
if (uhp->uh_alt_prev != NULL)
uhp = uhp->uh_alt_prev;
if (uhp->uh_alt_prev.ptr != NULL)
uhp = uhp->uh_alt_prev.ptr;
else
{
uhp = uhp->uh_next;
uhp = uhp->uh_next.ptr;
--changes;
}
}
@ -2632,11 +2640,11 @@ u_unch_branch(uhp)
{
u_header_T *uh;
for (uh = uhp; uh != NULL; uh = uh->uh_prev)
for (uh = uhp; uh != NULL; uh = uh->uh_prev.ptr)
{
uh->uh_flags |= UH_CHANGED;
if (uh->uh_alt_next != NULL)
u_unch_branch(uh->uh_alt_next); /* recursive */
if (uh->uh_alt_next.ptr != NULL)
u_unch_branch(uh->uh_alt_next.ptr); /* recursive */
}
}
@ -2707,23 +2715,24 @@ u_freeheader(buf, uhp, uhpp)
/* When there is an alternate redo list free that branch completely,
* because we can never go there. */
if (uhp->uh_alt_next != NULL)
u_freebranch(buf, uhp->uh_alt_next, uhpp);
if (uhp->uh_alt_next.ptr != NULL)
u_freebranch(buf, uhp->uh_alt_next.ptr, uhpp);
if (uhp->uh_alt_prev != NULL)
uhp->uh_alt_prev->uh_alt_next = NULL;
if (uhp->uh_alt_prev.ptr != NULL)
uhp->uh_alt_prev.ptr->uh_alt_next.ptr = NULL;
/* Update the links in the list to remove the header. */
if (uhp->uh_next == NULL)
buf->b_u_oldhead = uhp->uh_prev;
if (uhp->uh_next.ptr == NULL)
buf->b_u_oldhead = uhp->uh_prev.ptr;
else
uhp->uh_next->uh_prev = uhp->uh_prev;
uhp->uh_next.ptr->uh_prev.ptr = uhp->uh_prev.ptr;
if (uhp->uh_prev == NULL)
buf->b_u_newhead = uhp->uh_next;
if (uhp->uh_prev.ptr == NULL)
buf->b_u_newhead = uhp->uh_next.ptr;
else
for (uhap = uhp->uh_prev; uhap != NULL; uhap = uhap->uh_alt_next)
uhap->uh_next = uhp->uh_next;
for (uhap = uhp->uh_prev.ptr; uhap != NULL;
uhap = uhap->uh_alt_next.ptr)
uhap->uh_next.ptr = uhp->uh_next.ptr;
u_freeentries(buf, uhp, uhpp);
}
@ -2747,16 +2756,16 @@ u_freebranch(buf, uhp, uhpp)
return;
}
if (uhp->uh_alt_prev != NULL)
uhp->uh_alt_prev->uh_alt_next = NULL;
if (uhp->uh_alt_prev.ptr != NULL)
uhp->uh_alt_prev.ptr->uh_alt_next.ptr = NULL;
next = uhp;
while (next != NULL)
{
tofree = next;
if (tofree->uh_alt_next != NULL)
u_freebranch(buf, tofree->uh_alt_next, uhpp); /* recursive */
next = tofree->uh_prev;
if (tofree->uh_alt_next.ptr != NULL)
u_freebranch(buf, tofree->uh_alt_next.ptr, uhpp); /* recursive */
next = tofree->uh_prev.ptr;
u_freeentries(buf, tofree, uhpp);
}
}