glibc/stdio-common/printf_buffer_flush.c
Florian Weimer 5365acc567 libio: Convert __obstack_vprintf_internal to buffers (bug 27124)
This fixes bug 27124 because the problematic built-in vtable is gone.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
2022-12-19 18:56:55 +01:00

82 lines
2.9 KiB
C

/* Flush a struct __printf_buffer. Multibyte version.
Copyright (C) 2022 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
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <errno.h>
#include <printf_buffer.h>
#include "printf_buffer-char.h"
#include "Xprintf_buffer_flush.c"
/* The __printf_buffer_flush_* functions are defined together with
functions that are pulled in by strong references. */
#ifndef SHARED
# pragma weak __printf_buffer_flush_snprintf
# pragma weak __printf_buffer_flush_to_file
# pragma weak __printf_buffer_flush_asprintf
# pragma weak __printf_buffer_flush_dprintf
# pragma weak __printf_buffer_flush_fp
# pragma weak __printf_buffer_flush_fp_to_wide
# pragma weak __printf_buffer_flush_fphex_to_wide
# pragma weak __printf_buffer_flush_obstack
#endif /* !SHARED */
static void
__printf_buffer_do_flush (struct __printf_buffer *buf)
{
switch (buf->mode)
{
case __printf_buffer_mode_failed:
case __printf_buffer_mode_sprintf:
return;
case __printf_buffer_mode_snprintf:
__printf_buffer_flush_snprintf ((struct __printf_buffer_snprintf *) buf);
return;
case __printf_buffer_mode_sprintf_chk:
__chk_fail ();
break;
case __printf_buffer_mode_to_file:
__printf_buffer_flush_to_file ((struct __printf_buffer_to_file *) buf);
return;
case __printf_buffer_mode_asprintf:
__printf_buffer_flush_asprintf ((struct __printf_buffer_asprintf *) buf);
return;
case __printf_buffer_mode_dprintf:
__printf_buffer_flush_dprintf ((struct __printf_buffer_dprintf *) buf);
return;
case __printf_buffer_mode_strfmon:
__set_errno (E2BIG);
__printf_buffer_mark_failed (buf);
return;
case __printf_buffer_mode_fp:
__printf_buffer_flush_fp ((struct __printf_buffer_fp *) buf);
return;
case __printf_buffer_mode_fp_to_wide:
__printf_buffer_flush_fp_to_wide
((struct __printf_buffer_fp_to_wide *) buf);
return;
case __printf_buffer_mode_fphex_to_wide:
__printf_buffer_flush_fphex_to_wide
((struct __printf_buffer_fphex_to_wide *) buf);
return;
case __printf_buffer_mode_obstack:
__printf_buffer_flush_obstack ((struct __printf_buffer_obstack *) buf);
return;
}
__builtin_trap ();
}