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-rw-r--r--gl/printf-args.c68
1 files changed, 57 insertions, 11 deletions
diff --git a/gl/printf-args.c b/gl/printf-args.c
index 358801c9..871c720a 100644
--- a/gl/printf-args.c
+++ b/gl/printf-args.c
@@ -1,9 +1,9 @@
/* Decomposed printf argument list.
- Copyright (C) 1999, 2002-2003, 2005-2006 Free Software Foundation, Inc.
+ Copyright (C) 1999, 2002-2003, 2005-2007 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
+ the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
@@ -15,16 +15,25 @@
with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
-#include <config.h>
+/* This file can be parametrized with the following macros:
+ ENABLE_UNISTDIO Set to 1 to enable the unistdio extensions.
+ PRINTF_FETCHARGS Name of the function to be defined.
+ STATIC Set to 'static' to declare the function static. */
+
+#ifndef PRINTF_FETCHARGS
+# include <config.h>
+#endif
/* Specification. */
-#include "printf-args.h"
+#ifndef PRINTF_FETCHARGS
+# include "printf-args.h"
+#endif
#ifdef STATIC
STATIC
#endif
int
-printf_fetchargs (va_list args, arguments *a)
+PRINTF_FETCHARGS (va_list args, arguments *a)
{
size_t i;
argument *ap;
@@ -56,7 +65,7 @@ printf_fetchargs (va_list args, arguments *a)
case TYPE_ULONGINT:
ap->a.a_ulongint = va_arg (args, unsigned long int);
break;
-#ifdef HAVE_LONG_LONG_INT
+#if HAVE_LONG_LONG_INT
case TYPE_LONGLONGINT:
ap->a.a_longlongint = va_arg (args, long long int);
break;
@@ -67,15 +76,13 @@ printf_fetchargs (va_list args, arguments *a)
case TYPE_DOUBLE:
ap->a.a_double = va_arg (args, double);
break;
-#ifdef HAVE_LONG_DOUBLE
case TYPE_LONGDOUBLE:
ap->a.a_longdouble = va_arg (args, long double);
break;
-#endif
case TYPE_CHAR:
ap->a.a_char = va_arg (args, int);
break;
-#ifdef HAVE_WINT_T
+#if HAVE_WINT_T
case TYPE_WIDE_CHAR:
/* Although ISO C 99 7.24.1.(2) says that wint_t is "unchanged by
default argument promotions", this is not the case in mingw32,
@@ -94,7 +101,7 @@ printf_fetchargs (va_list args, arguments *a)
if (ap->a.a_string == NULL)
ap->a.a_string = "(NULL)";
break;
-#ifdef HAVE_WCHAR_T
+#if HAVE_WCHAR_T
case TYPE_WIDE_STRING:
ap->a.a_wide_string = va_arg (args, const wchar_t *);
/* A null pointer is an invalid argument for "%ls", but in practice
@@ -128,11 +135,50 @@ printf_fetchargs (va_list args, arguments *a)
case TYPE_COUNT_LONGINT_POINTER:
ap->a.a_count_longint_pointer = va_arg (args, long int *);
break;
-#ifdef HAVE_LONG_LONG_INT
+#if HAVE_LONG_LONG_INT
case TYPE_COUNT_LONGLONGINT_POINTER:
ap->a.a_count_longlongint_pointer = va_arg (args, long long int *);
break;
#endif
+#if ENABLE_UNISTDIO
+ /* The unistdio extensions. */
+ case TYPE_U8_STRING:
+ ap->a.a_u8_string = va_arg (args, const uint8_t *);
+ /* A null pointer is an invalid argument for "%U", but in practice
+ it occurs quite frequently in printf statements that produce
+ debug output. Use a fallback in this case. */
+ if (ap->a.a_u8_string == NULL)
+ {
+ static const uint8_t u8_null_string[] =
+ { '(', 'N', 'U', 'L', 'L', ')', 0 };
+ ap->a.a_u8_string = u8_null_string;
+ }
+ break;
+ case TYPE_U16_STRING:
+ ap->a.a_u16_string = va_arg (args, const uint16_t *);
+ /* A null pointer is an invalid argument for "%lU", but in practice
+ it occurs quite frequently in printf statements that produce
+ debug output. Use a fallback in this case. */
+ if (ap->a.a_u16_string == NULL)
+ {
+ static const uint16_t u16_null_string[] =
+ { '(', 'N', 'U', 'L', 'L', ')', 0 };
+ ap->a.a_u16_string = u16_null_string;
+ }
+ break;
+ case TYPE_U32_STRING:
+ ap->a.a_u32_string = va_arg (args, const uint32_t *);
+ /* A null pointer is an invalid argument for "%llU", but in practice
+ it occurs quite frequently in printf statements that produce
+ debug output. Use a fallback in this case. */
+ if (ap->a.a_u32_string == NULL)
+ {
+ static const uint32_t u32_null_string[] =
+ { '(', 'N', 'U', 'L', 'L', ')', 0 };
+ ap->a.a_u32_string = u32_null_string;
+ }
+ break;
+#endif
default:
/* Unknown type. */
return -1;