Move internal_{,v}warning to common/errors.[ch]

This commit moves internal_warning and internal_vwarning into
common/errors.[ch].

gdb/ChangeLog:

	* common/errors.h (internal_warning): New declaration.
	(internal_vwarning): Likewise.
	* common/errors.c (internal_warning): New function.
	* utils.h (internal_warning): Don't declare.
	(internal_vwarning): Likewise.
	* utils.c (internal_warning): Removed.

gdb/gdbserver/ChangeLog:

	* utils.c (internal_vwarning): New function.

2 files changed, 27 insertions, 0 deletions

diff --git a/gdb/common/errors.c b/gdb/common/errors.c
index 7d0bb6e..d6e17a8 100644
--- a/gdb/common/errors.c
+++ b/gdb/common/errors.c
@@ -59,3 +59,15 @@ internal_error (const char *file, int line, const char *fmt, ...)
   internal_verror (file, line, fmt, ap);
   va_end (ap);
 }
+
+/* See common/errors.h.  */
+
+void
+internal_warning (const char *file, int line, const char *fmt, ...)
+{
+  va_list ap;
+
+  va_start (ap, fmt);
+  internal_vwarning (file, line, fmt, ap);
+  va_end (ap);
+}
diff --git a/gdb/common/errors.h b/gdb/common/errors.h
index 4e6c2b3..88d77e5 100644
--- a/gdb/common/errors.h
+++ b/gdb/common/errors.h
@@ -58,6 +58,21 @@ extern void internal_error (const char *file, int line,
 extern void internal_verror (const char *file, int line,
 			     const char *fmt, va_list args)
      ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (3, 0);
+
+/* An internal problem was detected, but the requested operation can
+   still proceed.  Internal warnings indicate programming errors as
+   opposed to more general issues beyond the application's control.
+   A warning message is constructed using a printf- or vprintf-style
+   argument list.  The function "internal_vwarning" must be provided
+   by the client.  */
+
+extern void internal_warning (const char *file, int line,
+			      const char *fmt, ...)
+     ATTRIBUTE_PRINTF (3, 4);
+
+extern void internal_vwarning (const char *file, int line,
+			       const char *fmt, va_list args)
+     ATTRIBUTE_PRINTF (3, 0);
 
 
 /* Like "error", but the error message is constructed by combining