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history cleanup added

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svn path=/trunk/; revision=836
This commit is contained in:
Paolo Pantaleo 1999-12-07 18:17:17 +00:00
parent 61c3984818
commit 915ff9328d
3 changed files with 45 additions and 11 deletions
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8
rosapps/cmd/cmd.c
View file

@ -1,4 +1,4 @@
/* $Id: cmd.c,v 1.15 1999/12/06 19:26:49 paolopan Exp $
/* $Id: cmd.c,v 1.16 1999/12/07 18:17:17 paolopan Exp $
*
* CMD.C - command-line interface.
*
@ -1025,6 +1025,7 @@ Initialize (int argc, char *argv[])
#ifdef FEATURE_HISTORY
/*initialize history*/
InitHistory();
#endif
@ -1085,6 +1086,11 @@ static VOID Cleanup (int argc, char *argv[])
FreeLastPath ();
#endif
#ifdef FEATURE_HISTORY
CleanHistory();
#endif
/* remove ctrl break handler */
#ifndef __REACTOS__
SetConsoleCtrlHandler (NULL, FALSE);

1
rosapps/cmd/cmd.h
View file

@ -248,6 +248,7 @@ INT cmd_goto (LPTSTR, LPTSTR);
VOID History (INT, LPTSTR);
VOID History_move_to_bottom(VOID);
VOID InitHistory(VOID);
VOID CleanHistory(VOID);
#endif

47
rosapps/cmd/history.c
View file

@ -38,6 +38,10 @@
*/
#include "config.h"
@ -70,14 +74,24 @@ static LPHIST_ENTRY Bottom;
static LPHIST_ENTRY curr_ptr=0;
VOID InitHistory(VOID);
VOID History_move_to_bottom(VOID);
VOID History (INT dir, LPTSTR commandline);
VOID CleanHistory(VOID);
/*service functions*/
VOID del(LPHIST_ENTRY item);
VOID add_at_bottom(LPTSTR string);
VOID InitHistory(VOID)
{
size=0;
Top = malloc(sizeof(HIST_ENTRY));
Bottom = malloc(sizeof(HIST_ENTRY));
Bottom = malloc(sizeof(HIST_ENTRY));
Top->prev = Bottom;
@ -94,6 +108,19 @@ VOID InitHistory(VOID)
VOID CleanHistory(VOID)
{
while (Bottom->next!=Top)
del(Bottom->next);
free(Top);
free(Bottom);
}
static
VOID del(LPHIST_ENTRY item)
{
@ -101,15 +128,15 @@ VOID del(LPHIST_ENTRY item)
if(item==NULL)
return;
/*free string's mem*/
if (item->string)
free(item->string);
/*set links in prev and next item*/
item->next->prev=item->prev;
item->prev->next=item->next;
/*free mem*/
if (item->string)
free(item->string);
item->prev->next=item->next;
free(item);
@ -183,7 +210,7 @@ VOID History (INT dir, LPTSTR commandline)
if(dir<0)/*key up*/
{
if (curr_ptr->next==Top || curr_ptr->next==0)
if (curr_ptr->next==Top || curr_ptr==Top)
{
#ifdef WRAP_HISTORY
curr_ptr=Bottom;
@ -208,7 +235,7 @@ VOID History (INT dir, LPTSTR commandline)
if(dir>0)
{
if (curr_ptr->prev==Bottom || curr_ptr->prev==0)
if (curr_ptr->prev==Bottom || curr_ptr==Bottom)
{
#ifdef WRAP_HISTORY
curr_ptr=Top;