1/* Flush a struct __printf_buffer. Multibyte version.
2 Copyright (C) 2022-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <errno.h>
20#include <printf_buffer.h>
21
22#include "printf_buffer-char.h"
23#include "Xprintf_buffer_flush.c"
24
25/* The __printf_buffer_flush_* functions are defined together with
26 functions that are pulled in by strong references. */
27#ifndef SHARED
28# pragma weak __printf_buffer_flush_snprintf
29# pragma weak __printf_buffer_flush_to_file
30# pragma weak __printf_buffer_flush_asprintf
31# pragma weak __printf_buffer_flush_dprintf
32# pragma weak __printf_buffer_flush_fp
33# pragma weak __printf_buffer_flush_fp_to_wide
34# pragma weak __printf_buffer_flush_fphex_to_wide
35# pragma weak __printf_buffer_flush_obstack
36#endif /* !SHARED */
37
38static void
39__printf_buffer_do_flush (struct __printf_buffer *buf)
40{
41 switch (buf->mode)
42 {
43 case __printf_buffer_mode_failed:
44 case __printf_buffer_mode_sprintf:
45 return;
46 case __printf_buffer_mode_snprintf:
47 __printf_buffer_flush_snprintf ((struct __printf_buffer_snprintf *) buf);
48 return;
49 case __printf_buffer_mode_sprintf_chk:
50 __chk_fail ();
51 break;
52 case __printf_buffer_mode_to_file:
53 __printf_buffer_flush_to_file ((struct __printf_buffer_to_file *) buf);
54 return;
55 case __printf_buffer_mode_asprintf:
56 __printf_buffer_flush_asprintf ((struct __printf_buffer_asprintf *) buf);
57 return;
58 case __printf_buffer_mode_dprintf:
59 __printf_buffer_flush_dprintf ((struct __printf_buffer_dprintf *) buf);
60 return;
61 case __printf_buffer_mode_strfmon:
62 __set_errno (E2BIG);
63 __printf_buffer_mark_failed (buf);
64 return;
65 case __printf_buffer_mode_fp:
66 __printf_buffer_flush_fp ((struct __printf_buffer_fp *) buf);
67 return;
68 case __printf_buffer_mode_fp_to_wide:
69 __printf_buffer_flush_fp_to_wide
70 ((struct __printf_buffer_fp_to_wide *) buf);
71 return;
72 case __printf_buffer_mode_fphex_to_wide:
73 __printf_buffer_flush_fphex_to_wide
74 ((struct __printf_buffer_fphex_to_wide *) buf);
75 return;
76 case __printf_buffer_mode_obstack:
77 __printf_buffer_flush_obstack ((struct __printf_buffer_obstack *) buf);
78 return;
79 }
80 __builtin_trap ();
81}
82