diff options
Diffstat (limited to 'sys/kern/kern_conf.c')
| -rw-r--r-- | sys/kern/kern_conf.c | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/sys/kern/kern_conf.c b/sys/kern/kern_conf.c index 1e344e357450..fb15afdfcea2 100644 --- a/sys/kern/kern_conf.c +++ b/sys/kern/kern_conf.c @@ -42,6 +42,7 @@ #include <sys/conf.h> #include <sys/vnode.h> #include <sys/queue.h> +#include <sys/ctype.h> #include <machine/stdarg.h> #define cdevsw_ALLOCSTART (NUMCDEVSW/2) @@ -69,7 +70,8 @@ static LIST_HEAD(, specinfo) dev_hash[DEVT_HASH]; static LIST_HEAD(, specinfo) dev_free; devfs_create_t *devfs_create_hook; -devfs_remove_t *devfs_remove_hook; +devfs_destroy_t *devfs_destroy_hook; +int devfs_present; static int free_devt; SYSCTL_INT(_debug, OID_AUTO, free_devt, CTLFLAG_RW, &free_devt, 0, ""); @@ -352,8 +354,8 @@ make_dev_alias(dev_t pdev, char *fmt, ...) void destroy_dev(dev_t dev) { - if (devfs_remove_hook) - devfs_remove_hook(dev); + if (devfs_destroy_hook) + devfs_destroy_hook(dev); dev->si_drv1 = 0; dev->si_drv2 = 0; dev->si_devsw = 0; @@ -381,3 +383,26 @@ devtoname(dev_t dev) } return (dev->si_name); } + +int +dev_stdclone(char *name, char **namep, char *stem, int *unit) +{ + int u, i; + + if (bcmp(stem, name, strlen(stem)) != 0) + return (0); + i = strlen(stem); + if (!isdigit(name[i])) + return (0); + u = 0; + while (isdigit(name[i])) { + u *= 10; + u += name[i++] - '0'; + } + *unit = u; + if (namep) + *namep = &name[i]; + if (name[i]) + return (2); + return (1); +} |