Fix Savannah bug #30312.

 function.c (abspath): Support absolute file names in UNC format.

2 files changed, 10 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 97cf81d..79ee216 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2010-07-09  Eli Zaretskii  <eliz@gnu.org>
 
+	* function.c (abspath): Support absolute file names in UNC format.
+	(Savannah bug #30312.)
+
 	* job.c (pid2str) [WINDOWS32]: Don't use %Id with GCC < 4.x.
 	(exec_command) [WINDOWS32]: Use pid2str instead of non-portable
 	%Id.
diff --git a/function.c b/function.c
index 45ebc9e..870e4a0 100644
--- a/function.c
+++ b/function.c
@@ -1912,6 +1912,13 @@ abspath (const char *name, char *apath)
 #ifdef HAVE_DOS_PATHS
       if (IS_PATHSEP(name[0]))
 	{
+	  if (IS_PATHSEP(name[1]))
+	    {
+	      /* A UNC.  Don't prepend a drive letter.  */
+	      apath[0] = name[0];
+	      apath[1] = name[1];
+	      root_len = 2;
+	    }
 	  /* We have /foo, an absolute file name except for the drive
 	     letter.  Assume the missing drive letter is the current
 	     drive, which we can get if we remove from starting_directory