Additional fixes for the BusyBox mount -at option to support

syntax using in the sysvinit package.  Adds support for a
list of file system types to mount and for negation of this
list.

BKrev: 42845fa40IHXR-jA_i0GaeOUlxfkoQ

2 files changed, 85 insertions, 1 deletions

diff --git a/packages/busybox/busybox-1.00/mount-all-type.patch b/packages/busybox/busybox-1.00/mount-all-type.patch
index e69de29bb2..476094a804 100644
--- a/packages/busybox/busybox-1.00/mount-all-type.patch
+++ b/packages/busybox/busybox-1.00/mount-all-type.patch
@@ -0,0 +1,84 @@
+--- busybox-1.00/.pc/mount-all-type.patch/util-linux/mount.c	2004-08-02 17:14:02.000000000 -0700
++++ busybox-1.00/util-linux/mount.c	2005-05-13 00:17:19.054232796 -0700
+@@ -364,6 +364,56 @@
+ 	exit(EXIT_SUCCESS);
+ }
+ 
++/* Does this file system type, from /etc/fstab, match the given
++ * -t option value?
++ */
++static int match_fs(const char *option, const char *type)
++{
++	const int len = strlen(type);
++	const int no = option[0] == 'n' && option[1] == 'o';
++	const char *optp = option;
++
++	if (len > 0) do {
++		const char *match = strstr(optp, type);
++
++		if (match == NULL) {
++			/* No match, but if the option string starts 'no' no match
++			 * means yes.
++			 */
++			return no;
++		}
++
++		/* Match, may be partial, check for end-of-type in option string. */
++		if (match[len] == 0 || match[len] == ',') {
++			/* Ok, check for type or notype. */
++			if (match == option) {
++				/* Exact match at start (can't be 'no') */
++				return 1;
++			}
++			if (match > option+1) {
++				if (match[-1] == ',') {
++					/* Exact match in middle, might be 'no' */
++					return !no;
++				}
++				if (match == option+2 && no) {
++					/* Exact match to 'notype' at start. */
++					return 0;
++				}
++				if (match > option+2 && match[-3] == ',' &&
++						match[-2] == 'n' && match[-1] == 'o') {
++					return 0;
++				}
++			}
++		}
++
++		/* Look for another match. */
++		optp = match+1;
++	} while (1);
++
++	/* zero length type in fstab (impossible?), don't match it. */
++	return 0;
++}
++
+ extern int mount_main(int argc, char **argv)
+ {
+ 	struct stat statbuf;
+@@ -371,6 +421,7 @@
+ 	char *extra_opts;
+ 	int flags = 0;
+ 	char *filesystemType = "auto";
++	char *filesystemOption = 0;
+ 	int got_filesystemType = 0;
+ 	char *device = xmalloc(PATH_MAX);
+ 	char *directory = xmalloc(PATH_MAX);
+@@ -393,6 +444,7 @@
+ 			break;
+ 		case 't':
+ 			filesystemType = optarg;
++			filesystemOption = optarg;
+ 			got_filesystemType = 1;
+ 			break;
+ 		case 'w':
+@@ -460,6 +512,8 @@
+ 
+ 			strcpy(device, m->mnt_fsname);
+ 			strcpy(directory, m->mnt_dir);
++			if (all && filesystemOption != 0 && !match_fs(filesystemOption, m->mnt_type))
++				continue;
+ 			filesystemType = bb_xstrdup(m->mnt_type);
+ 		  singlemount:
+ 			extra_opts = string_flags;
diff --git a/packages/busybox/busybox-1.00/openslug/defconfig b/packages/busybox/busybox-1.00/openslug/defconfig
index 3ccf0ca1d6..9985eb53cc 100644
--- a/packages/busybox/busybox-1.00/openslug/defconfig
+++ b/packages/busybox/busybox-1.00/openslug/defconfig
@@ -231,7 +231,7 @@ CONFIG_GREP=y
 CONFIG_FEATURE_GREP_EGREP_ALIAS=y
 CONFIG_FEATURE_GREP_FGREP_ALIAS=y
 CONFIG_FEATURE_GREP_CONTEXT=y
-CONFIG_XARGS=y
+# CONFIG_XARGS is not set
 # CONFIG_FEATURE_XARGS_SUPPORT_CONFIRMATION is not set
 # CONFIG_FEATURE_XARGS_SUPPORT_QUOTES is not set
 # CONFIG_FEATURE_XARGS_SUPPORT_TERMOPT is not set