Annotation of src/usr.bin/soelim/soelim.c, Revision 1.1
1.1 ! deraadt 1: /* $NetBSD: soelim.c,v 1.3 1994/12/21 08:11:26 jtc Exp $ */
! 2:
! 3: /*
! 4: * Copyright (c) 1980, 1993
! 5: * The Regents of the University of California. All rights reserved.
! 6: *
! 7: * Redistribution and use in source and binary forms, with or without
! 8: * modification, are permitted provided that the following conditions
! 9: * are met:
! 10: * 1. Redistributions of source code must retain the above copyright
! 11: * notice, this list of conditions and the following disclaimer.
! 12: * 2. Redistributions in binary form must reproduce the above copyright
! 13: * notice, this list of conditions and the following disclaimer in the
! 14: * documentation and/or other materials provided with the distribution.
! 15: * 3. All advertising materials mentioning features or use of this software
! 16: * must display the following acknowledgement:
! 17: * This product includes software developed by the University of
! 18: * California, Berkeley and its contributors.
! 19: * 4. Neither the name of the University nor the names of its contributors
! 20: * may be used to endorse or promote products derived from this software
! 21: * without specific prior written permission.
! 22: *
! 23: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 24: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 25: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 26: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 27: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 28: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 29: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 30: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 31: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 32: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 33: * SUCH DAMAGE.
! 34: */
! 35:
! 36: #ifndef lint
! 37: static char copyright[] =
! 38: "@(#) Copyright (c) 1980, 1993\n\
! 39: The Regents of the University of California. All rights reserved.\n";
! 40: #endif /* not lint */
! 41:
! 42: #ifndef lint
! 43: #if 0
! 44: static char sccsid[] = "@(#)soelim.c 8.1 (Berkeley) 6/6/93";
! 45: #endif
! 46: static char rcsid[] = "$NetBSD: soelim.c,v 1.3 1994/12/21 08:11:26 jtc Exp $";
! 47: #endif /* not lint */
! 48:
! 49: #include <stdio.h>
! 50: /*
! 51: * soelim - a filter to process n/troff input eliminating .so's
! 52: *
! 53: * Author: Bill Joy UCB July 8, 1977
! 54: *
! 55: * This program eliminates .so's from a n/troff input stream.
! 56: * It can be used to prepare safe input for submission to the
! 57: * phototypesetter since the software supporting the operator
! 58: * doesn't let him do chdir.
! 59: *
! 60: * This is a kludge and the operator should be given the
! 61: * ability to do chdir.
! 62: *
! 63: * This program is more generally useful, it turns out, because
! 64: * the program tbl doesn't understand ".so" directives.
! 65: */
! 66: #define STDIN_NAME "-"
! 67:
! 68: main(argc, argv)
! 69: int argc;
! 70: char *argv[];
! 71: {
! 72:
! 73: argc--;
! 74: argv++;
! 75: if (argc == 0) {
! 76: (void)process(STDIN_NAME);
! 77: exit(0);
! 78: }
! 79: do {
! 80: (void)process(argv[0]);
! 81: argv++;
! 82: argc--;
! 83: } while (argc > 0);
! 84: exit(0);
! 85: }
! 86:
! 87: int process(file)
! 88: char *file;
! 89: {
! 90: register char *cp;
! 91: register int c;
! 92: char fname[BUFSIZ];
! 93: FILE *soee;
! 94: int isfile;
! 95:
! 96: if (!strcmp(file, STDIN_NAME)) {
! 97: soee = stdin;
! 98: } else {
! 99: soee = fopen(file, "r");
! 100: if (soee == NULL) {
! 101: perror(file);
! 102: return(-1);
! 103: }
! 104: }
! 105: for (;;) {
! 106: c = getc(soee);
! 107: if (c == EOF)
! 108: break;
! 109: if (c != '.')
! 110: goto simple;
! 111: c = getc(soee);
! 112: if (c != 's') {
! 113: putchar('.');
! 114: goto simple;
! 115: }
! 116: c = getc(soee);
! 117: if (c != 'o') {
! 118: printf(".s");
! 119: goto simple;
! 120: }
! 121: do
! 122: c = getc(soee);
! 123: while (c == ' ' || c == '\t');
! 124: cp = fname;
! 125: isfile = 0;
! 126: for (;;) {
! 127: switch (c) {
! 128:
! 129: case ' ':
! 130: case '\t':
! 131: case '\n':
! 132: case EOF:
! 133: goto donename;
! 134:
! 135: default:
! 136: *cp++ = c;
! 137: c = getc(soee);
! 138: isfile++;
! 139: continue;
! 140: }
! 141: }
! 142: donename:
! 143: if (cp == fname) {
! 144: printf(".so");
! 145: goto simple;
! 146: }
! 147: *cp = 0;
! 148: if (process(fname) < 0)
! 149: if (isfile)
! 150: printf(".so %s\n", fname);
! 151: continue;
! 152: simple:
! 153: if (c == EOF)
! 154: break;
! 155: putchar(c);
! 156: if (c != '\n') {
! 157: c = getc(soee);
! 158: goto simple;
! 159: }
! 160: }
! 161: if (soee != stdin) {
! 162: fclose(soee);
! 163: }
! 164: return(0);
! 165: }
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