X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=udev-remove.c;h=41636b684e265120897e4233658feb4120b3de22;hb=b658bc09a1ae34f57d7719ecad74caf571d5cdf8;hp=c20c651dc53687056d701c0a8714a7f5d39f3b9b;hpb=50e5de03d16be3e35e65cdf65f552807ad24e996;p=elogind.git diff --git a/udev-remove.c b/udev-remove.c index c20c651dc..41636b684 100644 --- a/udev-remove.c +++ b/udev-remove.c @@ -29,8 +29,8 @@ #include #include "udev.h" +#include "udev_lib.h" #include "udev_version.h" -#include "udev_dbus.h" #include "logging.h" #include "namedev.h" #include "udevdb.h" @@ -51,6 +51,8 @@ static int delete_path(char *path) /* remove if empty */ retval = rmdir(path); + if (errno == ENOENT) + retval = 0; if (retval) { if (errno == ENOTEMPTY) return 0; @@ -65,18 +67,21 @@ static int delete_path(char *path) static int delete_node(struct udevice *dev) { - char filename[255]; - char partitionname[255]; - char *symlinks; - char *linkname; + char filename[NAME_SIZE]; + char linkname[NAME_SIZE]; + char partitionname[NAME_SIZE]; int retval; int i; + char *pos; + int len; - strncpy(filename, udev_root, sizeof(filename)); - strncat(filename, dev->name, sizeof(filename)); + strfieldcpy(filename, udev_root); + strfieldcat(filename, dev->name); info("removing device node '%s'", filename); retval = unlink(filename); + if (errno == ENOENT) + retval = 0; if (retval) { dbg("unlink(%s) failed with error '%s'", filename, strerror(errno)); @@ -87,7 +92,8 @@ static int delete_node(struct udevice *dev) if (dev->partitions > 0) { info("removing partitions '%s[1-%i]'", filename, dev->partitions); for (i = 1; i <= dev->partitions; i++) { - sprintf(partitionname, "%s%i", filename, i); + strfieldcpy(partitionname, filename); + strintcat(partitionname, i); unlink(partitionname); } } @@ -96,26 +102,22 @@ static int delete_node(struct udevice *dev) if (strchr(dev->name, '/')) delete_path(filename); - if (dev->symlink[0] != '\0') { - symlinks = dev->symlink; - while (1) { - linkname = strsep(&symlinks, " "); - if (linkname == NULL) - break; - - strncpy(filename, udev_root, sizeof(filename)); - strncat(filename, linkname, sizeof(filename)); - - dbg("unlinking symlink '%s'", filename); - retval = unlink(filename); - if (retval) { - dbg("unlink(%s) failed with error '%s'", - filename, strerror(errno)); - return retval; - } - if (strchr(dev->symlink, '/')) { - delete_path(filename); - } + foreach_strpart(dev->symlink, " ", pos, len) { + strfieldcpymax(linkname, pos, len+1); + strfieldcpy(filename, udev_root); + strfieldcat(filename, linkname); + + dbg("unlinking symlink '%s'", filename); + retval = unlink(filename); + if (errno == ENOENT) + retval = 0; + if (retval) { + dbg("unlink(%s) failed with error '%s'", + filename, strerror(errno)); + return retval; + } + if (strchr(dev->symlink, '/')) { + delete_path(filename); } } @@ -141,13 +143,13 @@ int udev_remove_device(char *path, char *subsystem) temp = strrchr(path, '/'); if (temp == NULL) return -ENODEV; - strncpy(dev.name, &temp[1], sizeof(dev.name)); + strfieldcpy(dev.name, &temp[1]); } dbg("name is '%s'", dev.name); udevdb_delete_dev(path); - sysbus_send_remove(dev.name, path); + dev_d_send(&dev, subsystem); retval = delete_node(&dev); return retval;