diff options
Diffstat (limited to 'aoview/aoview_dev.c')
| -rw-r--r-- | aoview/aoview_dev.c | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/aoview/aoview_dev.c b/aoview/aoview_dev.c deleted file mode 100644 index 9b8cc19e..00000000 --- a/aoview/aoview_dev.c +++ /dev/null @@ -1,208 +0,0 @@ -/* - * Copyright © 2009 Keith Packard <keithp@keithp.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - */ - -#include "aoview.h" -#include <ctype.h> -#include <dirent.h> - -static char * -load_string(char *dir, char *file) -{ - char *full = aoview_fullname(dir, file); - char line[4096]; - char *r; - FILE *f; - int rlen; - - f = fopen(full, "r"); - free(full); - if (!f) - return NULL; - r = fgets(line, sizeof (line), f); - fclose(f); - if (!r) - return NULL; - rlen = strlen(r); - if (r[rlen-1] == '\n') - r[rlen-1] = '\0'; - return strdup(r); -} - -static int -load_hex(char *dir, char *file) -{ - char *line; - char *end; - long i; - - line = load_string(dir, file); - if (!line) - return -1; - i = strtol(line, &end, 16); - free(line); - if (end == line) - return -1; - return i; -} - -static int -dir_filter_tty_colon(const struct dirent *d) -{ - return strncmp(d->d_name, "tty:", 4) == 0; -} - -static int -dir_filter_tty(const struct dirent *d) -{ - return strncmp(d->d_name, "tty", 3) == 0; -} - -static char * -usb_tty(char *sys) -{ - char *base; - int num_configs; - int config; - struct dirent **namelist; - int interface; - int num_interfaces; - char endpoint_base[20]; - char *endpoint_full; - char *tty_dir; - int ntty; - char *tty; - - base = aoview_basename(sys); - num_configs = load_hex(sys, "bNumConfigurations"); - num_interfaces = load_hex(sys, "bNumInterfaces"); - for (config = 1; config <= num_configs; config++) { - for (interface = 0; interface < num_interfaces; interface++) { - sprintf(endpoint_base, "%s:%d.%d", - base, config, interface); - endpoint_full = aoview_fullname(sys, endpoint_base); - - /* Check for tty:ttyACMx style names - */ - ntty = scandir(endpoint_full, &namelist, - dir_filter_tty_colon, - alphasort); - if (ntty > 0) { - free(endpoint_full); - tty = aoview_fullname("/dev", namelist[0]->d_name + 4); - free(namelist); - return tty; - } - - /* Check for tty/ttyACMx style names - */ - tty_dir = aoview_fullname(endpoint_full, "tty"); - free(endpoint_full); - ntty = scandir(tty_dir, &namelist, - dir_filter_tty, - alphasort); - free (tty_dir); - if (ntty > 0) { - tty = aoview_fullname("/dev", namelist[0]->d_name); - free(namelist); - return tty; - } - } - } - return NULL; -} - -static struct usbdev * -usb_scan_device(char *sys) -{ - struct usbdev *usbdev; - - usbdev = calloc(1, sizeof (struct usbdev)); - if (!usbdev) - return NULL; - usbdev->sys = strdup(sys); - usbdev->manufacturer = load_string(sys, "manufacturer"); - usbdev->product = load_string(sys, "product"); - usbdev->serial = load_string(sys, "serial"); - usbdev->idProduct = load_hex(sys, "idProduct"); - usbdev->idVendor = load_hex(sys, "idVendor"); - usbdev->tty = usb_tty(sys); - return usbdev; -} - -void -aoview_usbdev_free(struct usbdev *usbdev) -{ - free(usbdev->sys); - free(usbdev->manufacturer); - free(usbdev->product); - free(usbdev->serial); - free(usbdev->tty); - free(usbdev); -} - -#define USB_DEVICES "/sys/bus/usb/devices" - -static int -dir_filter_dev(const struct dirent *d) -{ - const char *n = d->d_name; - char c; - - while ((c = *n++)) { - if (isdigit(c)) - continue; - if (c == '-') - continue; - if (c == '.' && n != d->d_name + 1) - continue; - return 0; - } - return 1; -} - -int -aoview_usb_scan(struct usbdev ***devs_ret) -{ - int n; - int ndev = 0; - int e; - struct dirent **ents; - char *dir; - struct usbdev **devs = NULL; - struct usbdev *dev; - - n = scandir (USB_DEVICES, &ents, - dir_filter_dev, - alphasort); - if (!n) - return 0; - for (e = 0; e < n; e++) { - dir = aoview_fullname(USB_DEVICES, ents[e]->d_name); - dev = usb_scan_device(dir); - free(dir); - if (dev->idVendor == 0xfffe && dev->tty) { - if (devs) - devs = realloc(devs, ndev + 1 * sizeof (struct usbdev *)); - else - devs = malloc (sizeof (struct usbdev *)); - devs[ndev++] = dev; - } - } - free(ents); - *devs_ret = devs; - return ndev; -} |