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authorUlrich Drepper <drepper@redhat.com>2001-08-16 17:51:43 +0000
committerUlrich Drepper <drepper@redhat.com>2001-08-16 17:51:43 +0000
commita26353616e67507deb0ecd3d9020115e7f594948 (patch)
treeef7affe094705d1a95443dab6dfdf847fe49d65f /misc/err.c
parent8e2949409cf808df820797b56ec32cc7108fd3c2 (diff)
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Update.
2001-08-16 Ulrich Drepper <drepper@redhat.com> * misc/err.c: Handle wide oriented stderr.
Diffstat (limited to 'misc/err.c')
-rw-r--r--misc/err.c101
1 files changed, 87 insertions, 14 deletions
diff --git a/misc/err.c b/misc/err.c
index 4e1d43b..dc7025c 100644
--- a/misc/err.c
+++ b/misc/err.c
@@ -1,5 +1,5 @@
-/* err.c --- 4.4BSD utility functions for error messages.
- Copyright (C) 1995, 1996, 1998 Free Software Foundation, Inc.
+/* 4.4BSD utility functions for error messages.
+ Copyright (C) 1995, 1996, 1998, 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -25,6 +25,7 @@
#include <stdio.h>
#ifdef USE_IN_LIBIO
+# include <wchar.h>
# define flockfile(s) _IO_flockfile (s)
# define funlockfile(s) _IO_funlockfile (s)
#endif
@@ -39,15 +40,72 @@ extern char *__progname;
va_end (ap); \
}
+#ifdef USE_IN_LIBIO
+static void
+convert_and_print (const char *format, __gnuc_va_list ap)
+{
+# define ALLOCA_LIMIT 2000
+ size_t len;
+ wchar_t *wformat = NULL;
+ mbstate_t st;
+ size_t res;
+ const char *tmp;
+
+ if (format == NULL)
+ return;
+
+ len = strlen (format) + 1;
+
+ do
+ {
+ if (len < ALLOCA_LIMIT)
+ wformat = (wchar_t *) alloca (len * sizeof (wchar_t));
+ else
+ {
+ if (wformat != NULL && len / 2 < ALLOCA_LIMIT)
+ wformat = NULL;
+
+ wformat = (wchar_t *) realloc (wformat, len * sizeof (wchar_t));
+
+ if (wformat == NULL)
+ {
+ fputws (L"out of memory\n", stderr);
+ return;
+ }
+ }
+
+ memset (&st, '\0', sizeof (st));
+ tmp =format;
+ }
+ while ((res = mbsrtowcs (wformat, &tmp, len, &st)) == len);
+
+ if (res == (size_t) -1)
+ /* The string cannot be converted. */
+ wformat = (wchar_t *) L"???";
+
+ vfwprintf (stderr, wformat, ap);
+}
+#endif
+
void
vwarnx (const char *format, __gnuc_va_list ap)
{
flockfile (stderr);
- if (__progname)
- fprintf (stderr, "%s: ", __progname);
- if (format)
- vfprintf (stderr, format, ap);
- putc_unlocked ('\n', stderr);
+#ifdef USE_IN_LIBIO
+ if (_IO_fwide (stderr, 0) > 0)
+ {
+ fwprintf (stderr, L"%s: ", __progname);
+ convert_and_print (format, ap);
+ putwc_unlocked (L'\n', stderr);
+ }
+ else
+#endif
+ {
+ fprintf (stderr, "%s: ", __progname);
+ if (format)
+ vfprintf (stderr, format, ap);
+ putc_unlocked ('\n', stderr);
+ }
funlockfile (stderr);
}
@@ -57,15 +115,30 @@ vwarn (const char *format, __gnuc_va_list ap)
int error = errno;
flockfile (stderr);
- if (__progname)
- fprintf (stderr, "%s: ", __progname);
- if (format)
+#ifdef USE_IN_LIBIO
+ if (_IO_fwide (stderr, 0) > 0)
+ {
+ fwprintf (stderr, L"%s: ", __progname);
+ if (format)
+ {
+ convert_and_print (format, ap);
+ fputws_unlocked (L": ", stderr);
+ }
+ __set_errno (error);
+ fwprintf (stderr, L"%m\n");
+ }
+ else
+#endif
{
- vfprintf (stderr, format, ap);
- fputs_unlocked (": ", stderr);
+ fprintf (stderr, "%s: ", __progname);
+ if (format)
+ {
+ vfprintf (stderr, format, ap);
+ fputs_unlocked (": ", stderr);
+ }
+ __set_errno (error);
+ fprintf (stderr, "%m\n");
}
- __set_errno (error);
- fprintf (stderr, "%m\n");
funlockfile (stderr);
}