gnetlist/src/s_cpinlist.c

   1 /* gEDA - GPL Electronic Design Automation
   2  * gnetlist - gEDA Netlist
   3  * Copyright (C) 1998-2010 Ales Hvezda
   4  * Copyright (C) 1998-2010 gEDA Contributors (see ChangeLog for details)
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19  */
  20
  21 #include <config.h>
  22
  23 #include <stdio.h>
  24 #include <ctype.h>
  25 #ifdef HAVE_STDLIB_H
  26 #include <stdlib.h>
  27 #endif
  28 #ifdef HAVE_ASSERT_H
  29 #include <assert.h>
  30 #endif
  31 #ifdef HAVE_STRING_H
  32 #include <string.h>
  33 #endif
  34
  35 #include <libgeda/libgeda.h>
  36
  37 #include "../include/globals.h"
  38 #include "../include/prototype.h"
  39
  40 #ifdef HAVE_LIBDMALLOC
  41 #include <dmalloc.h>
  42 #endif
  43
  44 /* hack rename this to be s_return_tail */
  45 /* update object_tail or any list of that matter */
  46 CPINLIST *s_cpinlist_return_tail(CPINLIST * head)
  47 {
  48     CPINLIST *pl_current = NULL;
  49     CPINLIST *ret_struct = NULL;
  50
  51     pl_current = head;
  52     while (pl_current != NULL) {        /* goto end of list */
  53         ret_struct = pl_current;
  54         pl_current = pl_current->next;
  55     }
  56
  57     return (ret_struct);
  58 }
  59
  60 /* hack rename this to be s_return_head */
  61 /* update object_tail or any list of that matter */
  62 CPINLIST *s_cpinlist_return_head(CPINLIST * tail)
  63 {
  64     CPINLIST *pl_current = NULL;
  65     CPINLIST *ret_struct = NULL;
  66
  67     pl_current = tail;
  68     while (pl_current != NULL) {        /* goto end of list */
  69         ret_struct = pl_current;
  70         pl_current = pl_current->prev;
  71     }
  72
  73     return (ret_struct);
  74 }
  75
  76
  77 /* returns new node */
  78 CPINLIST *s_cpinlist_add(CPINLIST * ptr)
  79 {
  80     CPINLIST *new_node;
  81
  82     new_node = (CPINLIST *) g_malloc(sizeof(CPINLIST));
  83
  84     /* setup node information */
  85     new_node->plid = 0;
  86     new_node->type = PIN_TYPE_NET;
  87     new_node->pin_number = NULL;
  88     new_node->pin_label = NULL;
  89     new_node->net_name = NULL;
  90     new_node->nets = NULL;
  91
  92     /* Setup link list stuff */
  93     new_node->next = NULL;
  94
  95     if (ptr == NULL) {
  96         new_node->prev = NULL;  /* setup previous link */
  97         return (new_node);
  98     } else {
  99         new_node->prev = ptr;   /* setup previous link */
 100         ptr->next = new_node;
 101         return (ptr->next);
 102     }
 103 }
 104
 105 void s_cpinlist_print(CPINLIST * ptr)
 106 {
 107     CPINLIST *pl_current = NULL;
 108
 109     pl_current = ptr;
 110
 111     if (pl_current == NULL) {
 112         return;
 113     }
 114
 115     while (pl_current != NULL) {
 116
 117         if (pl_current->plid != -1) {
 118              if (pl_current->pin_number) {
 119                 printf("        pin %s", pl_current->pin_number);
 120              } else {
 121                 printf("        pin ?");
 122              }
 123
 124             if (pl_current->pin_label) {
 125                 printf(" (%s)", pl_current->pin_label);
 126             } else {
 127                 printf(" ()");
 128             }
 129
 130             if (pl_current->net_name) {
 131                 printf(" %s", pl_current->net_name);
 132             } else {
 133                 printf(" Null net name");
 134             }
 135
 136
 137             printf("\n");
 138
 139
 140             if (pl_current->nets) {
 141                 s_net_print(pl_current->nets);
 142             }
 143         }
 144
 145         pl_current = pl_current->next;
 146     }
 147 }
 148
 149 CPINLIST *s_cpinlist_search_pin(CPINLIST * ptr, char *pin_number)
 150 {
 151     CPINLIST *pl_current = NULL;
 152
 153     pl_current = ptr;
 154
 155     if (pl_current == NULL) {
 156         return (NULL);
 157     }
 158
 159     while (pl_current != NULL) {
 160
 161         if (pl_current->plid != -1 && (pl_current->pin_number != NULL)) {
 162
 163             if (strcmp(pl_current->pin_number, pin_number) == 0) {
 164
 165 #if DEBUG
 166                 printf("equal: %s %s\n",
 167                        pl_current->pin_number, pin_number);
 168 #endif
 169
 170                 return (pl_current);
 171             }
 172         }
 173
 174         pl_current = pl_current->next;
 175     }
 176
 177     return (NULL);
 178 }