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GNU C Library master sources branch, master, updated. glibc-2.13-104-g00ee369


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- Log -----------------------------------------------------------------
http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=00ee369c1cbdcc4ca4a009e9223799951c6c8f04

commit 00ee369c1cbdcc4ca4a009e9223799951c6c8f04
Author: Andreas Schwab <schwab@redhat.com>
Date:   Tue May 3 13:44:25 2011 -0400

    ldconfig: don't crash on empty path in config file

diff --git a/ChangeLog b/ChangeLog
index bd08c7d..e90eaa9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2011-05-03  Andreas Schwab  <schwab@redhat.com>
+
+	* elf/ldconfig.c (add_dir): Don't crash on empty path.
+
 2011-04-28  Maciej Babinski  <mbabinski@google.com>
 
 	[BZ #12714]
diff --git a/elf/ldconfig.c b/elf/ldconfig.c
index 1b2eaa3..751b49b 100644
--- a/elf/ldconfig.c
+++ b/elf/ldconfig.c
@@ -384,14 +384,17 @@ add_dir (const char *line)
     }
 
   /* Canonify path: for now only remove leading and trailing
-     whitespace and the trailing slashes slashes.  */
-  i = strlen (entry->path) - 1;
+     whitespace and the trailing slashes.  */
+  i = strlen (entry->path);
 
-  while (isspace (entry->path[i]) && i > 0)
-    entry->path[i--] = '\0';
+  while (i > 0 && isspace (entry->path[i - 1]))
+    entry->path[--i] = '\0';
 
-  while (entry->path[i] == '/' && i > 0)
-    entry->path[i--] = '\0';
+  while (i > 0 && entry->path[i - 1] == '/')
+    entry->path[--i] = '\0';
+
+  if (i == 0)
+    return;
 
   char *path = entry->path;
   if (opt_chroot)

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog      |    4 ++++
 elf/ldconfig.c |   15 +++++++++------
 2 files changed, 13 insertions(+), 6 deletions(-)


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