git.mutantstargoat.com Git - smouse/blob - src/device.c

   1 #include <stdlib.h>
   2 #include <string.h>
   3 #include "device.h"
   4
   5 struct device *device_magellan(void);
   6
   7 static struct device *devlist;
   8 static char *port;
   9
  10 void register_all(void)
  11 {
  12         struct device *dev;
  13
  14         if((dev = device_magellan()) && dev->init() != -1) {
  15                 dev->next = devlist;
  16                 devlist = dev;
  17         }
  18 }
  19
  20 struct device *dev_init(const char *name)
  21 {
  22         struct device *dev = devlist;
  23
  24         while(dev) {
  25                 if(name) {
  26                         if(strcmp(dev->name, name) == 0) {
  27                                 return dev->detect() ? dev : 0;
  28                         }
  29                 } else {
  30                         if(dev->detect()) {
  31                                 return dev;
  32                         }
  33                 }
  34                 dev = dev->next;
  35         }
  36         return 0;
  37 }
  38
  39 void dev_destroy(void)
  40 {
  41         while(devlist) {
  42                 struct device *dev = devlist;
  43                 devlist = devlist->next;
  44                 dev->destroy();
  45         }
  46         devlist = 0;
  47 }
  48
  49 void set_port(const char *s)
  50 {
  51         free(port);
  52         port = strdup(s);
  53 }
  54
  55 const char *get_port(void)
  56 {
  57         return port;
  58 }