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/* Word breaks in UTF-8 strings.
Copyright (C) 2009-2022 Free Software Foundation, Inc.
Written by Bruno Haible <bruno@clisp.org>, 2009.
This file is free software.
It is dual-licensed under "the GNU LGPLv3+ or the GNU GPLv2+".
You can redistribute it and/or modify it under either
- the terms of the GNU Lesser General Public License as published
by the Free Software Foundation, either version 3, or (at your
option) any later version, or
- the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option)
any later version, or
- the same dual license "the GNU LGPLv3+ or the GNU GPLv2+".
This file 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 and the GNU General Public License
for more details.
You should have received a copy of the GNU Lesser General Public
License and of the GNU General Public License along with this
program. If not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
/* Specification. */
#include "uniwbrk.h"
#include <string.h>
#include "unictype.h"
#include "unistr.h"
#include "uniwbrk/wbrktable.h"
#define FUNC u8_wordbreaks
#define UNIT uint8_t
#define U_MBTOUC_UNSAFE u8_mbtouc_unsafe
#include "u-wordbreaks.h"
#ifdef TEST
#include <stdio.h>
#include <stdlib.h>
/* Read the contents of an input stream, and return it, terminated with a NUL
byte. */
char *
read_file (FILE *stream)
{
#define BUFSIZE 4096
char *buf = NULL;
int alloc = 0;
int size = 0;
int count;
while (! feof (stream))
{
if (size + BUFSIZE > alloc)
{
alloc = alloc + alloc / 2;
if (alloc < size + BUFSIZE)
alloc = size + BUFSIZE;
buf = realloc (buf, alloc);
if (buf == NULL)
{
fprintf (stderr, "out of memory\n");
exit (1);
}
}
count = fread (buf + size, 1, BUFSIZE, stream);
if (count == 0)
{
if (ferror (stream))
{
perror ("fread");
exit (1);
}
}
else
size += count;
}
buf = realloc (buf, size + 1);
if (buf == NULL)
{
fprintf (stderr, "out of memory\n");
exit (1);
}
buf[size] = '\0';
return buf;
#undef BUFSIZE
}
int
main (int argc, char * argv[])
{
if (argc == 1)
{
/* Display all the word breaks in the input string. */
char *input = read_file (stdin);
int length = strlen (input);
char *breaks = malloc (length);
int i;
u8_wordbreaks ((uint8_t *) input, length, breaks);
for (i = 0; i < length; i++)
{
switch (breaks[i])
{
case 1:
/* U+2027 in UTF-8 encoding */
putc (0xe2, stdout); putc (0x80, stdout); putc (0xa7, stdout);
break;
case 0:
break;
default:
abort ();
}
putc (input[i], stdout);
}
free (breaks);
return 0;
}
else
return 1;
}
#endif /* TEST */
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