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  
      38  static 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  }