all repos — kuro @ 6fa747864efcb84863d09a9a937315e748a9f040

multiwindow text editor thing for plan9 with simple client VM and 9p interface

nodetable.c (raw)

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#include "dat.h"
#include "fns.h"

void nodetbl_add(NodeTable* self, NodeRef* node) {
  int i;
  NodeRef* n;
  if (self && node) {
    i = (int)(node->id%256);
    n = self->data[i];
    if (n && n->next) {
      n = n->next;
    }
    if (n) {
      n->next = node;
    } else {
      n = node;
    }
  }
}

void nodetbl_del(NodeTable* self, uvlong id) {
  NodeRef* n;
  NodeRef* nprev;
  
  if (self) {
    for(int i = 0; i <= 255; i++) {
      n = self->data[i];

      while (n && n->id != id && n->next) {
        nprev = n;
        n = n->next;
      }
      if (n->id == id) {
        if (nprev) {
          nprev->next = n->next;
        }
        free(n);
        break;
      }
    }
  }
}