CVS: beepcore-c/utility bp_hash.c,1.3,1.4 bp_queue.c,1.6,1.7 bp_slist_utility.c,1.3,1.4

Update of /cvsroot/beepcore-c/beepcore-c/utility
In directory usw-pr-cvs1:/tmp/cvs-serv17814/utility

Modified Files:
	bp_hash.c bp_queue.c bp_slist_utility.c 
Log Message:
Miscellaneous small changes from Matt Small.

Index: bp_hash.c
===================================================================
RCS file: /cvsroot/beepcore-c/beepcore-c/utility/bp_hash.c,v
retrieving revision 1.3
retrieving revision 1.4
diff -C2 -d -r1.3 -r1.4
*** bp_hash.c	2 Aug 2002 15:08:33 -0000	1.3
--- bp_hash.c	13 Aug 2002 17:34:42 -0000	1.4
***************
*** 22,25 ****
--- 22,27 ----
  #include <beepcore-c/bp_hash.h>
  #include <beepcore-c/bp_slist_utility.h>
+ /* for PRE() */
+ #include <beepcore-c/CBEEPint.h>
  
  /* private prototypes */
***************
*** 430,433 ****
--- 432,437 ----
      HASH_KEY_VALUE *newdata;
  
+     PRE (htable != NULL);
+ 
      len = size;
      if (len <= 0)
***************
*** 595,598 ****
--- 599,604 ----
      unsigned long hash_nbr;
      unsigned long *testint;
+ 
+     PRE (htable != NULL);
  
      if (htable->hash_type)

Index: bp_queue.c
===================================================================
RCS file: /cvsroot/beepcore-c/beepcore-c/utility/bp_queue.c,v
retrieving revision 1.6
retrieving revision 1.7
diff -C2 -d -r1.6 -r1.7
*** bp_queue.c	2 Aug 2002 15:08:33 -0000	1.6
--- bp_queue.c	13 Aug 2002 17:34:42 -0000	1.7
***************
*** 47,51 ****
  {
  
!     if (!q)
          return;
  
--- 47,51 ----
  {
  
!     if (q == NULL)
          return;
  

Index: bp_slist_utility.c
===================================================================
RCS file: /cvsroot/beepcore-c/beepcore-c/utility/bp_slist_utility.c,v
retrieving revision 1.3
retrieving revision 1.4
diff -C2 -d -r1.3 -r1.4
*** bp_slist_utility.c	2 Aug 2002 15:08:33 -0000	1.3
--- bp_slist_utility.c	13 Aug 2002 17:34:42 -0000	1.4
***************
*** 42,46 ****
  #include <stdio.h>
  #include <beepcore-c/bp_slist_utility.h>
! 
  
  /*---------------------------------------------------------------**
--- 42,46 ----
  #include <stdio.h>
  #include <beepcore-c/bp_slist_utility.h>
! #include <beepcore-c/CBEEPint.h>
  
  /*---------------------------------------------------------------**
***************
*** 316,323 ****
  /*---------------------------------------------------------------**
  **                                                               **
! **  Name: bp_slist__remove_index                                    **
  **                                                               **
  **  Description:                                                 **
  **  remove and frees a node based on index position in list      **
  **---------------------------------------------------------------*/
  
--- 316,325 ----
  /*---------------------------------------------------------------**
  **                                                               **
! **  Name: bp_slist__remove_index				 **
  **                                                               **
  **  Description:                                                 **
  **  remove and frees a node based on index position in list      **
+ **	If list is NULL, nothing is done (the function		 **
+ **	immediately returns NULL)				 **
  **---------------------------------------------------------------*/
  
***************
*** 327,333 ****
      bp_slist *prevlist;
  
      prevlist = NULL;
      templist = list;
!     while (index > 0 && templist)
          {
          prevlist = templist;
--- 329,338 ----
      bp_slist *prevlist;
  
+     if (list == NULL)
+       return list;
+ 
      prevlist = NULL;
      templist = list;
!     while ((index > 0) && (templist != NULL))
          {
          prevlist = templist;
***************
*** 335,339 ****
          index--;
          }
!     if (templist)
          {
          if (prevlist)
--- 340,344 ----
          index--;
          }
!     if (templist != NULL)
          {
          if (prevlist)
***************
*** 379,383 ****
  /*---------------------------------------------------------------**
  **                                                               **
! **  Name: bp_slist__index                                           **
  **                                                               **
  **  Description:                                                 **
--- 384,388 ----
  /*---------------------------------------------------------------**
  **                                                               **
! **  Name: bp_slist__index					 **
  **                                                               **
  **  Description:                                                 **
***************
*** 387,391 ****
  bp_slist *bp_slist__index(bp_slist *list,int index)
  {
!    while (index > 0 && list)
         {
         index--;
--- 392,397 ----
  bp_slist *bp_slist__index(bp_slist *list,int index)
  {
!    PRE (list != NULL);
!    while ((index > 0) && (list != NULL))
         {
         index--;
***************
*** 397,401 ****
  /*---------------------------------------------------------------**
  **                                                               **
! **  Name: bp_slist__index_data                                      **
  **                                                               **
  **  Description:                                                 **
--- 403,407 ----
  /*---------------------------------------------------------------**
  **                                                               **
! **  Name: bp_slist__index_data					 **
  **                                                               **
  **  Description:                                                 **



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