2010-06-22 23:20:54 +02:00
|
|
|
/* $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 */
|
2013-10-15 01:23:02 +02:00
|
|
|
void
|
2010-06-22 23:20:54 +02:00
|
|
|
CUT_FN(FILE *fp, const char *fname __unused)
|
|
|
|
|
{
|
|
|
|
|
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
|
|
|
|
|
|
