/* $NetBSD: x_cut.c,v 1.2 2007/07/02 18:41:04 christos Exp $ */
/*
* Copyright (c) 1989, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Adam S. Moskowitz of Menlo Consulting and Marciano Pitargue.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* This file is #include'd twice from cut.c, to generate both
* single- and multibyte versions of the same code.
*
* In cut.c #define:
* CUT_BYTE=0 to define b_cut (singlebyte), and
* CUT_BYTE=1 to define c_cut (multibyte).
*
*/
#if (CUT_BYTE == 1)
# define CUT_FN b_cut
# define CUT_CH_T int
# define CUT_GETC getc
# define CUT_EOF EOF
# define CUT_PUTCHAR putchar
#else
# define CUT_FN c_cut
# define CUT_CH_T wint_t
# define CUT_GETC getwc
# define CUT_EOF WEOF
# define CUT_PUTCHAR putwchar
#endif
/* ARGSUSED */
void
CUT_FN(FILE *fp, const char *fname)
{
CUT_CH_T ch;
int col;
char *pos;
ch = 0;
for (;;) {
pos = positions + 1;
for (col = maxval; col; --col) {
if ((ch = CUT_GETC(fp)) == EOF)
return;
if (ch == '\n')
break;
if (*pos++)
(void)CUT_PUTCHAR(ch);
}
if (ch != '\n') {
if (autostop)
while ((ch = CUT_GETC(fp)) != CUT_EOF && ch != '\n')
(void)CUT_PUTCHAR(ch);
else
while ((ch = CUT_GETC(fp)) != CUT_EOF && ch != '\n');
}
(void)CUT_PUTCHAR('\n');
}
}
#undef CUT_FN
#undef CUT_CH_T
#undef CUT_GETC
#undef CUT_EOF
#undef CUT_PUTCHAR
