gnetlist-legacy/src/s_cpinlist.c

   1 /* gEDA - GPL Electronic Design Automation
   2  * gnetlist - gEDA Netlist
   3  * Copyright (C) 1998-2010 Ales Hvezda
   4  * Copyright (C) 1998-2019 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 /* hack rename this to be s_return_tail */
  41 /* update object_tail or any list of that matter */
  42 CPINLIST *s_cpinlist_return_tail(CPINLIST * head)
  43 {
  44     CPINLIST *pl_current = NULL;
  45     CPINLIST *ret_struct = NULL;
  46
  47     pl_current = head;
  48     while (pl_current != NULL) {        /* goto end of list */
  49         ret_struct = pl_current;
  50         pl_current = pl_current->next;
  51     }
  52
  53     return (ret_struct);
  54 }
  55
  56 /* hack rename this to be s_return_head */
  57 /* update object_tail or any list of that matter */
  58 CPINLIST *s_cpinlist_return_head(CPINLIST * tail)
  59 {
  60     CPINLIST *pl_current = NULL;
  61     CPINLIST *ret_struct = NULL;
  62
  63     pl_current = tail;
  64     while (pl_current != NULL) {        /* goto end of list */
  65         ret_struct = pl_current;
  66         pl_current = pl_current->prev;
  67     }
  68
  69     return (ret_struct);
  70 }
  71
  72
  73 /* returns new node */
  74 CPINLIST *s_cpinlist_add(CPINLIST * ptr)
  75 {
  76     CPINLIST *new_node;
  77
  78     new_node = (CPINLIST *) g_malloc(sizeof(CPINLIST));
  79
  80     /* setup node information */
  81     new_node->plid = 0;
  82     new_node->type = PIN_TYPE_NET;
  83     new_node->pin_number = NULL;
  84     new_node->pin_label = NULL;
  85     new_node->net_name = NULL;
  86     new_node->nets = NULL;
  87
  88     /* Setup link list stuff */
  89     new_node->next = NULL;
  90
  91     if (ptr == NULL) {
  92         new_node->prev = NULL;  /* setup previous link */
  93         return (new_node);
  94     } else {
  95         new_node->prev = ptr;   /* setup previous link */
  96         ptr->next = new_node;
  97         return (ptr->next);
  98     }
  99 }
 100
 101 void s_cpinlist_print(CPINLIST * ptr)
 102 {
 103     CPINLIST *pl_current = NULL;
 104
 105     pl_current = ptr;
 106
 107     if (pl_current == NULL) {
 108         return;
 109     }
 110
 111     while (pl_current != NULL) {
 112
 113         if (pl_current->plid != -1) {
 114              if (pl_current->pin_number) {
 115                 printf("        pin %s", pl_current->pin_number);
 116              } else {
 117                 printf("        pin ?");
 118              }
 119
 120             if (pl_current->pin_label) {
 121                 printf(" (%s)", pl_current->pin_label);
 122             } else {
 123                 printf(" ()");
 124             }
 125
 126             if (pl_current->net_name) {
 127                 printf(" %s", pl_current->net_name);
 128             } else {
 129                 printf(" Null net name");
 130             }
 131
 132
 133             printf("\n");
 134
 135
 136             if (pl_current->nets) {
 137                 s_net_print(pl_current->nets);
 138             }
 139         }
 140
 141         pl_current = pl_current->next;
 142     }
 143 }
 144
 145 CPINLIST *s_cpinlist_search_pin(CPINLIST * ptr, char *pin_number)
 146 {
 147     CPINLIST *pl_current = NULL;
 148
 149     pl_current = ptr;
 150
 151     if (pl_current == NULL) {
 152         return (NULL);
 153     }
 154
 155     while (pl_current != NULL) {
 156
 157         if (pl_current->plid != -1 && (pl_current->pin_number != NULL)) {
 158
 159             if (strcmp(pl_current->pin_number, pin_number) == 0) {
 160
 161 #if DEBUG
 162                 printf("equal: %s %s\n",
 163                        pl_current->pin_number, pin_number);
 164 #endif
 165
 166                 return (pl_current);
 167             }
 168         }
 169
 170         pl_current = pl_current->next;
 171     }
 172
 173     return (NULL);
 174 }