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OS/2 Shareware BBS: 22 gnu
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22-gnu.zip
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gnurecod.zip
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flat.c
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C/C++ Source or Header
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1994-02-04
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2KB
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99 lines
/* Conversion of files between different charsets and usages.
Copyright (C) 1990, 1993, 1994 Free Software Foundation, Inc.
Francois Pinard <pinard@iro.umontreal.ca>, 1988.
This program is free software; you can redistribute it and/or modify
it under 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.
This program 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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "recode.h"
static int
file_ascii_flat (const STEP *step, FILE *input_file, FILE *output_file)
{
int input_char; /* current character */
int temp_char; /* look ahead character */
input_char = getc (input_file);
while (1)
switch (input_char)
{
case EOF:
return 0;
case '\n':
case '\t':
putc (input_char, output_file);
input_char = getc (input_file);
break;
case '\b':
input_char = getc (input_file);
switch (input_char)
{
case '\'':
case '`':
case '^':
case '"':
case '~':
case ',':
case '_':
input_char = getc (input_file);
break;
default:
putc ('\b', output_file);
}
break;
case '\'':
case '`':
case '^':
case '"':
case '~':
case ',':
case '_':
temp_char = getc (input_file);
if (temp_char == '\b')
input_char = getc (input_file);
else
{
putc (input_char, output_file);
input_char = temp_char;
}
break;
default:
if (input_char & (1 << 7))
{
putc ('M', output_file);
putc ('-', output_file);
input_char &= ~(~0 << 7);
}
if (input_char < ' ' || input_char == ~(~0 << 7))
{
putc ('^', output_file);
input_char ^= (1 << 6);
}
putc (input_char, output_file);
input_char = getc (input_file);
}
}
void
module_flat (void)
{
declare_step ("ASCII-BS", "flat", MANY_TO_MANY, NULL, file_ascii_flat);
}