diff options
Diffstat (limited to 'usr.bin/cut/x_cut.c')
-rw-r--r-- | usr.bin/cut/x_cut.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/usr.bin/cut/x_cut.c b/usr.bin/cut/x_cut.c new file mode 100644 index 0000000..006b5af --- /dev/null +++ b/usr.bin/cut/x_cut.c @@ -0,0 +1,95 @@ +/* $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 __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 + |