diff options
-rw-r--r-- | udev-block-notify.c | 39 |
1 files changed, 27 insertions, 12 deletions
diff --git a/udev-block-notify.c b/udev-block-notify.c index 0db489d..fccd252 100644 --- a/udev-block-notify.c +++ b/udev-block-notify.c @@ -59,12 +59,14 @@ int main (int argc, char ** argv) { const char *value = NULL; fd_set readfds; GError *error = NULL; - int devnum, errcount = 0; - NotifyNotification ***notification; + NotifyNotification ***notification = NULL; + int errcount = 0; + dev_t devnum = 0; + unsigned int major = 0, minor = 0, maxmajor = 0; + unsigned int *maxminor = NULL; struct udev_device *dev = NULL; struct udev_monitor *mon = NULL; struct udev *udev = NULL; - unsigned short int i, j, major, minor; printf("%s: %s v%s (compiled: " __DATE__ ", " __TIME__ #if DEBUG @@ -87,13 +89,6 @@ int main (int argc, char ** argv) { udev_monitor_filter_add_match_subsystem_devtype(mon, "block", NULL); udev_monitor_enable_receiving(mon); - notification = malloc(256 * sizeof(NotifyNotification)); - for(i = 0; i < 256; i++) { - notification[i] = malloc(256 * sizeof(NotifyNotification)); - for(j = 0; j < 256; j++) - notification[i][j] = NULL; - } - while (1) { FD_ZERO(&readfds); if (mon != NULL) @@ -106,8 +101,28 @@ int main (int argc, char ** argv) { if(dev) { device = (char *) udev_device_get_sysname(dev); devnum = udev_device_get_devnum(dev); - major = devnum / 256; - minor = devnum - (major * 256); + major = major(devnum); + minor = minor(devnum); + + /* make sure we have allocated memory */ + if (maxmajor <= major) { + notification = realloc(notification, (major + 1) * sizeof(size_t)); + maxminor = realloc(maxminor, (major + 1) * sizeof(unsigned int)); + while (maxmajor <= major) { + notification[maxmajor] = NULL; + maxminor[maxmajor] = 0; + maxmajor++; + } + maxmajor--; + } + if (maxminor[major] <= minor) { + notification[major] = realloc(notification[major], (minor + 1) * sizeof(size_t)); + while (maxminor[major] <= minor) { + notification[major][maxminor[major]] = NULL; + maxminor[major]++; + } + maxminor[major]--; + } action = udev_device_get_action(dev)[0]; switch(action) { |