RFC: remove xasprintf

[Tom Tromey <tromey@redhat.com>]

This patch removes xasprintf and xvasprintf.

I believe we had agreed not to use them any more, and I don't see any
uses in the tree any more.

Tested by rebuilding and grep.

Tom

2012-11-28  Tom Tromey  <tromey@redhat.com>

	* common/common-utils.c (xasprintf, xvasprintf): Remove.
	* common/common-utils.h (xasprintf, xvasprintf): Remove.

diff --git a/gdb/common/common-utils.c b/gdb/common/common-utils.c
index ad01ed6..ef5d638 100644
--- a/gdb/common/common-utils.c
+++ b/gdb/common/common-utils.c
@@ -137,22 +137,6 @@ xstrvprintf (const char *format, va_list ap)
   return ret;
 }
 
-void
-xasprintf (char **ret, const char *format, ...)
-{
-  va_list args;
-
-  va_start (args, format);
-  (*ret) = xstrvprintf (format, args);
-  va_end (args);
-}
-
-void
-xvasprintf (char **ret, const char *format, va_list ap)
-{
-  (*ret) = xstrvprintf (format, ap);
-}
-
 int
 xsnprintf (char *str, size_t size, const char *format, ...)
 {
diff --git a/gdb/common/common-utils.h b/gdb/common/common-utils.h
index 030bcc5..58fa3f9 100644
--- a/gdb/common/common-utils.h
+++ b/gdb/common/common-utils.h
@@ -43,13 +43,6 @@ char *xstrprintf (const char *format, ...) ATTRIBUTE_PRINTF (1, 2);
 char *xstrvprintf (const char *format, va_list ap)
      ATTRIBUTE_PRINTF (1, 0);
 
-/* Like asprintf/vasprintf but get an internal_error if the call
-   fails.  */
-void xasprintf (char **ret, const char *format, ...)
-     ATTRIBUTE_PRINTF (2, 3);
-void xvasprintf (char **ret, const char *format, va_list ap)
-     ATTRIBUTE_PRINTF (2, 0);
-
 /* Like snprintf, but throw an error if the output buffer is too small.  */
 int xsnprintf (char *str, size_t size, const char *format, ...)
      ATTRIBUTE_PRINTF (3, 4);