X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=udev-add.c;h=ed0286d1fc2e9175ab688abb8ab8121e27ed88a6;hb=789adb79f54b256bce97f05f5d8cbbc5ebbd057a;hp=19196bec543953ff2551be758a20e65838c1cd7f;hpb=534c853df52810b63b126e7e43d051a682829464;p=elogind.git diff --git a/udev-add.c b/udev-add.c index 19196bec5..ed0286d1f 100644 --- a/udev-add.c +++ b/udev-add.c @@ -158,7 +158,7 @@ static void set_to_local_user(char *user) if (u->ut_time > recent) { recent = u->ut_time; - strfieldcpy(user, u->ut_user); + strnfieldcpy(user, u->ut_user, OWNER_SIZE); dbg("local user is '%s'", user); break; } @@ -166,9 +166,26 @@ static void set_to_local_user(char *user) endutent(); } -static int create_node(struct udevice *dev, int fake) +/* Used to unlink existing files to ensure that our new file/symlink is created */ +static int unlink_entry(char *filename) { struct stat stats; + int retval = 0; + + if (lstat(filename, &stats) == 0) { + if ((stats.st_mode & S_IFMT) != S_IFDIR) { + retval = unlink(filename); + if (retval) { + dbg("unlink(%s) failed with error '%s'", + filename, strerror(errno)); + } + } + } + return retval; +} + +static int create_node(struct udevice *dev, int fake) +{ char filename[255]; char linktarget[255]; char partitionname[255]; @@ -235,6 +252,7 @@ static int create_node(struct udevice *dev, int fake) } if (!fake) { + unlink_entry(filename); info("creating device node '%s'", filename); make_node(filename, dev->major, dev->minor, dev->mode, uid, gid); } else { @@ -250,6 +268,7 @@ static int create_node(struct udevice *dev, int fake) for (i = 1; i <= dev->partitions; i++) { strfieldcpy(partitionname, filename); strintcat(partitionname, i); + unlink_entry(partitionname); make_node(partitionname, dev->major, dev->minor + i, dev->mode, uid, gid); } @@ -291,14 +310,8 @@ static int create_node(struct udevice *dev, int fake) strfieldcat(linktarget, &dev->name[tail]); - /* unlink existing files to ensure that our symlink is created */ - if (!fake && (lstat(filename, &stats) == 0)) { - if ((stats.st_mode & S_IFMT) != S_IFDIR) { - if (unlink(filename)) - dbg("unlink(%s) failed with error '%s'", - filename, strerror(errno)); - } - } + if (!fake) + unlink_entry(filename); dbg("symlink(%s, %s)", linktarget, filename); if (!fake) {