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/* Write repeated characters to struct __*printf_buffer. Generic version.
Copyright (C) 2022-2025 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 <assert.h>
#include <string.h>
void
Xprintf (buffer_pad_1) (struct Xprintf_buffer *buf, CHAR_T ch, size_t count)
{
if (__glibc_unlikely (Xprintf_buffer_has_failed (buf)))
return;
do
{
/* Proactively make room. __*printf_buffer_pad has already
checked for a zero-length write, so this function is only
called when there is actually data to write. */
if (buf->write_ptr == buf->write_end && !Xprintf_buffer_flush (buf))
return;
assert (buf->write_ptr != buf->write_end);
size_t to_fill = buf->write_end - buf->write_ptr;
if (to_fill > count)
to_fill = count;
MEMSET (buf->write_ptr, ch, to_fill);
buf->write_ptr += to_fill;
count -= to_fill;
}
while (count > 0);
}
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