/* * Point (dev) at an allocated device specifier for the device matching the * path in (devspec). If it contains an explicit device specification, * use that. If not, use the default device. */ int efi_getdev(void **vdev, const char *devspec, const char **path) { struct efi_devdesc **dev = (struct efi_devdesc **)vdev; int rv; /* * If it looks like this is just a path and no * device, go with the current device. */ if ((devspec == NULL) || (devspec[0] == '/') || (strchr(devspec, ':') == NULL)) { if (((rv = efi_parsedev(dev, getenv("currdev"), NULL)) == 0) && (path != NULL)) *path = devspec; return(rv); } /* * Try to parse the device name off the beginning of the devspec */ return(efi_parsedev(dev, devspec, path)); }
/* * Point (dev) at an allocated device specifier for the device matching the * path in (devspec). If it contains an explicit device specification, * use that. If not, use the default device. */ int efi_getdev(void **vdev, const char *devspec, const char **path) { struct efi_devdesc **dev = (struct efi_devdesc **)vdev; int rv; /* * If it looks like this is just a path and no device, then * use the current device instead. */ if (devspec == NULL || *devspec == '/' || !strchr(devspec, ':')) { rv = efi_parsedev(dev, getenv("currdev"), NULL); if (rv == 0 && path != NULL) *path = devspec; return (rv); } /* Parse the device name off the beginning of the devspec. */ return (efi_parsedev(dev, devspec, path)); }
/* * Set currdev to suit the value being supplied in (value) */ int efi_setcurrdev(struct env_var *ev, int flags, void *value) { struct efi_devdesc *ncurr; int rv; if ((rv = efi_parsedev(&ncurr, value, NULL)) != 0) return(rv); free(ncurr); env_setenv(ev->ev_name, flags | EV_NOHOOK, value, NULL, NULL); return(0); }