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util-linux: fix libmount build under uClibc

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Patch taken from gentoo.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
This commit is contained in:
Peter Korsgaard 2012-03-15 11:06:36 +01:00
parent 6953341b71
commit 5c3cb0ba00
1 changed files with 87 additions and 0 deletions
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87
package/util-linux/util-linux-2.20.1-sscanf-no-ms-as.patch Normal file
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@ -0,0 +1,87 @@
[PATCH] Fix libmount build under uClibc
Taken from gentoo-hardened:
http://git.overlays.gentoo.org/gitweb/?p=proj/hardened-dev.git;a=commit;h=91879751
For details, see https://bugs.gentoo.org/show_bug.cgi?id=406303
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
diff -Naur util-linux-2.20.1.orig/libmount/src/tab_parse.c util-linux-2.20.1/libmount/src/tab_parse.c
--- util-linux-2.20.1.orig/libmount/src/tab_parse.c 2011-12-12 20:51:06.646614964 -0500
+++ util-linux-2.20.1/libmount/src/tab_parse.c 2011-12-12 21:02:03.587865010 -0500
@@ -51,19 +51,21 @@
*/
static int mnt_parse_table_line(struct libmnt_fs *fs, char *s)
{
- int rc, n = 0;
- char *src, *fstype, *optstr;
-
- rc = sscanf(s, UL_SCNsA" " /* (1) source */
- UL_SCNsA" " /* (2) target */
- UL_SCNsA" " /* (3) FS type */
- UL_SCNsA" " /* (4) options */
+ int rc, n = 0, len = strlen (s) + 1;
+ char *src = malloc (sizeof *src * len);
+ char *fstype = malloc (sizeof *fstype * len);
+ char *optstr = malloc (sizeof *optstr * len);
+
+ rc = sscanf(s, "%s"" " /* (1) source */
+ "%s"" " /* (2) target */
+ "%s"" " /* (3) FS type */
+ "%s"" " /* (4) options */
"%n", /* byte count */
- &src,
- &fs->target,
- &fstype,
- &optstr,
+ src,
+ fs->target,
+ fstype,
+ optstr,
&n);
if (rc == 4) {
@@ -108,16 +110,20 @@
*/
static int mnt_parse_mountinfo_line(struct libmnt_fs *fs, char *s)
{
- int rc, end = 0;
+ int rc, end = 0, len = strlen (s) + 1;
unsigned int maj, min;
char *fstype, *src, *p;
+ fs->root = malloc (sizeof *fs->root * len);
+ fs->target = malloc (sizeof *fs->target * len);
+ fs->vfs_optstr = malloc (sizeof *fs->vfs_optstr * len);
+
rc = sscanf(s, "%u " /* (1) id */
"%u " /* (2) parent */
"%u:%u " /* (3) maj:min */
- UL_SCNsA" " /* (4) mountroot */
- UL_SCNsA" " /* (5) target */
- UL_SCNsA /* (6) vfs options (fs-independent) */
+ "%s"" " /* (4) mountroot */
+ "%s"" " /* (5) target */
+ "%s" /* (6) vfs options (fs-independent) */
"%n", /* number of read bytes */
&fs->id,
@@ -139,9 +145,14 @@
}
s = p + 3;
- rc += sscanf(s, UL_SCNsA" " /* (8) FS type */
- UL_SCNsA" " /* (9) source */
- UL_SCNsA, /* (10) fs options (fs specific) */
+ len = strlen (s) + 1;
+ fstype = malloc (sizeof *fstype * len);
+ src = malloc (sizeof *src * len);
+ fs->fs_optstr = malloc (sizeof *fs->fs_optstr * len);
+
+ rc += sscanf(s, "%s"" " /* (8) FS type */
+ "%s"" " /* (9) source */
+ "%s", /* (10) fs options (fs specific) */
&fstype,
&src,