about summary refs log tree commit diff
path: root/stdio-common/vfprintf.c
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>2009-04-10 03:56:06 +0000
committerUlrich Drepper <drepper@redhat.com>2009-04-10 03:56:06 +0000
commit1d498daa95384e5c9ad5bcb35e7a996e5869ac39 (patch)
tree3c1a82ce8376cb1f8a9769d31772d3620cb348fd /stdio-common/vfprintf.c
parente9b4d069c1897d1480655dc6f25e905b1ce749a6 (diff)
downloadglibc-1d498daa95384e5c9ad5bcb35e7a996e5869ac39.tar.gz
glibc-1d498daa95384e5c9ad5bcb35e7a996e5869ac39.tar.xz
glibc-1d498daa95384e5c9ad5bcb35e7a996e5869ac39.zip
Simplified code and possible copy problem fixed.
Diffstat (limited to 'stdio-common/vfprintf.c')
-rw-r--r--stdio-common/vfprintf.c20
1 files changed, 3 insertions, 17 deletions
diff --git a/stdio-common/vfprintf.c b/stdio-common/vfprintf.c
index 819865f61e..5a24e725d5 100644
--- a/stdio-common/vfprintf.c
+++ b/stdio-common/vfprintf.c
@@ -1662,24 +1662,10 @@ do_positional:
 	  {
 	    /* Extend the array of format specifiers.  */
 	    struct printf_spec *old = specs;
+	    specs = extend_alloca (specs, nspecs_max, 2 * nspecs_max);
 
-	    nspecs_max *= 2;
-	    specs = alloca (nspecs_max * sizeof (struct printf_spec));
-
-	    if (specs == &old[nspecs])
-	      /* Stack grows up, OLD was the last thing allocated;
-		 extend it.  */
-	      nspecs_max += nspecs_max / 2;
-	    else
-	      {
-		/* Copy the old array's elements to the new space.  */
-		memcpy (specs, old, nspecs * sizeof (struct printf_spec));
-		if (old == &specs[nspecs])
-		  /* Stack grows down, OLD was just below the new
-		     SPECS.  We can use that space when the new space
-		     runs out.  */
-		  nspecs_max += nspecs_max / 2;
-	      }
+	    /* Copy the old array's elements to the new space.  */
+	    memmove (specs, old, nspecs * sizeof (struct printf_spec));
 	  }
 
 	/* Parse the format specifier.  */