+/*
+SUBSECTION
+ BFD error handler
+
+ Some BFD functions want to print messages describing the
+ problem. They call a BFD error handler function. This
+ function may be overriden by the program.
+
+ The BFD error handler acts like printf.
+
+CODE_FRAGMENT
+.
+.typedef void (*bfd_error_handler_type) PARAMS ((const char *, ...));
+.
+*/
+
+/* The program name used when printing BFD error messages. */
+
+static const char *_bfd_error_program_name;
+
+/* This is the default routine to handle BFD error messages. */
+
+#ifdef ANSI_PROTOTYPES
+
+static void _bfd_default_error_handler PARAMS ((const char *s, ...));
+
+static void
+_bfd_default_error_handler (const char *s, ...)
+{
+ va_list p;
+
+ if (_bfd_error_program_name != NULL)
+ fprintf (stderr, "%s: ", _bfd_error_program_name);
+
+ va_start (p, s);
+
+ vfprintf (stderr, s, p);
+
+ va_end (p);
+
+ fprintf (stderr, "\n");
+}
+
+#else /* ! defined (ANSI_PROTOTYPES) */
+
+static void _bfd_default_error_handler ();
+
+static void
+_bfd_default_error_handler (va_alist)
+ va_dcl
+{
+ va_list p;
+ const char *s;
+
+ if (_bfd_error_program_name != NULL)
+ fprintf (stderr, "%s: ", _bfd_error_program_name);
+
+ va_start (p);
+
+ s = va_arg (p, const char *);
+ vfprintf (stderr, s, p);
+
+ va_end (p);
+
+ fprintf (stderr, "\n");
+}
+
+#endif /* ! defined (ANSI_PROTOTYPES) */
+
+/* This is a function pointer to the routine which should handle BFD
+ error messages. It is called when a BFD routine encounters an
+ error for which it wants to print a message. Going through a
+ function pointer permits a program linked against BFD to intercept
+ the messages and deal with them itself. */
+
+bfd_error_handler_type _bfd_error_handler = _bfd_default_error_handler;
+
+/*
+FUNCTION
+ bfd_set_error_handler
+
+SYNOPSIS
+ bfd_error_handler_type bfd_set_error_handler (bfd_error_handler_type);
+
+DESCRIPTION
+ Set the BFD error handler function. Returns the previous
+ function.
+*/
+
+bfd_error_handler_type
+bfd_set_error_handler (pnew)
+ bfd_error_handler_type pnew;
+{
+ bfd_error_handler_type pold;
+
+ pold = _bfd_error_handler;
+ _bfd_error_handler = pnew;
+ return pold;
+}
+
+/*
+FUNCTION
+ bfd_set_error_program_name
+
+SYNOPSIS
+ void bfd_set_error_program_name (const char *);