From 4763256c65859b94ac7a309cbb8f772d5426a08d Mon Sep 17 00:00:00 2001 From: "kay.sievers@vrfy.org" Date: Wed, 10 Dec 2003 00:47:00 -0800 Subject: [PATCH] allow multiple symlinks Here is a patch to allow the creation of multiple symlinks. The names must be separated by a space character. REPLACE, KERNEL="ttyUSB0", NAME="visor", SYMLINK="first-%n second-%n third-%n" results in: Dec 9 05:28:51 pim udev[12019]: create_node: mknod(udev-root/visor, 020666, 188, 0) Dec 9 05:28:51 pim udev[12019]: create_node: symlink 'udev-root/first-0' to node 'visor' requested Dec 9 05:28:51 pim udev[12019]: create_node: symlink(./visor, udev-root/first-0) Dec 9 05:28:51 pim udev[12019]: create_node: symlink 'udev-root/second-0' to node 'visor' requested Dec 9 05:28:51 pim udev[12019]: create_node: symlink(./visor, udev-root/second-0) Dec 9 05:28:51 pim udev[12019]: create_node: symlink 'udev-root/third-0' to node 'visor' requested Dec 9 05:28:51 pim udev[12019]: create_node: symlink(./visor, udev-root/third-0) --- udev-add.c | 66 +++++++++++++++++++++++++++++++++++--------------------------- 1 file changed, 37 insertions(+), 29 deletions(-) (limited to 'udev-add.c') diff --git a/udev-add.c b/udev-add.c index 17b69eadab..e64a845c7e 100644 --- a/udev-add.c +++ b/udev-add.c @@ -102,6 +102,8 @@ static int create_node(struct udevice *dev) { char filename[255]; char linktarget[255]; + char *linkname; + char *symlinks; int retval = 0; uid_t uid = 0; gid_t gid = 0; @@ -186,39 +188,45 @@ static int create_node(struct udevice *dev) filename, uid, gid, strerror(errno)); } - /* create symlink if requested */ if (*dev->symlink) { - strncpy(filename, udev_root, sizeof(filename)); - strncat(filename, dev->symlink, sizeof(filename)); - dbg("symlink '%s' to node '%s' requested", filename, dev->name); - if (strrchr(dev->symlink, '/')) - create_path(filename); - - /* optimize relative link */ - linktarget[0] = '\0'; - i = 0; - tail = 0; - while ((dev->name[i] == dev->symlink[i]) && dev->name[i]) { - if (dev->name[i] == '/') - tail = i+1; - i++; - } - while (dev->symlink[i]) { - if (dev->symlink[i] == '/') - strcat(linktarget, "../"); - i++; - } + symlinks = dev->symlink; + while (1) { + linkname = strsep(&symlinks, " "); + if (linkname == NULL) + break; + + strncpy(filename, udev_root, sizeof(filename)); + strncat(filename, linkname, sizeof(filename)); + dbg("symlink '%s' to node '%s' requested", filename, dev->name); + if (strrchr(linkname, '/')) + create_path(filename); + + /* optimize relative link */ + linktarget[0] = '\0'; + i = 0; + tail = 0; + while ((dev->name[i] == linkname[i]) && dev->name[i]) { + if (dev->name[i] == '/') + tail = i+1; + i++; + } + while (linkname[i]) { + if (linkname[i] == '/') + strcat(linktarget, "../"); + i++; + } - if (*linktarget == '\0') - strcpy(linktarget, "./"); - strcat(linktarget, &dev->name[tail]); + if (*linktarget == '\0') + strcpy(linktarget, "./"); + strcat(linktarget, &dev->name[tail]); - dbg("symlink(%s, %s)", linktarget, filename); - retval = symlink(linktarget, filename); - if (retval) - dbg("symlink(%s, %s) failed with error '%s'", - linktarget, filename, strerror(errno)); + dbg("symlink(%s, %s)", linktarget, filename); + retval = symlink(linktarget, filename); + if (retval) + dbg("symlink(%s, %s) failed with error '%s'", + linktarget, filename, strerror(errno)); + } } return retval; -- cgit v1.2.3-54-g00ecf