1 /* 2 * Copyright (c) 1980 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef lint 35 char copyright[] = 36 "@(#) Copyright (c) 1980 The Regents of the University of California.\n\ 37 All rights reserved.\n"; 38 #endif /* not lint */ 39 40 #ifndef lint 41 /*static char sccsid[] = "from: @(#)soelim.c 5.3 (Berkeley) 6/1/90";*/ 42 static char rcsid[] = "$Id: soelim.c,v 1.2 1993/08/01 18:08:23 mycroft Exp $"; 43 #endif /* not lint */ 44 45 #include <stdio.h> 46 /* 47 * soelim - a filter to process n/troff input eliminating .so's 48 * 49 * Author: Bill Joy UCB July 8, 1977 50 * 51 * This program eliminates .so's from a n/troff input stream. 52 * It can be used to prepare safe input for submission to the 53 * phototypesetter since the software supporting the operator 54 * doesn't let him do chdir. 55 * 56 * This is a kludge and the operator should be given the 57 * ability to do chdir. 58 * 59 * This program is more generally useful, it turns out, because 60 * the program tbl doesn't understand ".so" directives. 61 */ 62 #define STDIN_NAME "-" 63 64 main(argc, argv) 65 int argc; 66 char *argv[]; 67 { 68 69 argc--; 70 argv++; 71 if (argc == 0) { 72 (void)process(STDIN_NAME); 73 exit(0); 74 } 75 do { 76 (void)process(argv[0]); 77 argv++; 78 argc--; 79 } while (argc > 0); 80 exit(0); 81 } 82 83 int process(file) 84 char *file; 85 { 86 register char *cp; 87 register int c; 88 char fname[BUFSIZ]; 89 FILE *soee; 90 int isfile; 91 92 if (!strcmp(file, STDIN_NAME)) { 93 soee = stdin; 94 } else { 95 soee = fopen(file, "r"); 96 if (soee == NULL) { 97 perror(file); 98 return(-1); 99 } 100 } 101 for (;;) { 102 c = getc(soee); 103 if (c == EOF) 104 break; 105 if (c != '.') 106 goto simple; 107 c = getc(soee); 108 if (c != 's') { 109 putchar('.'); 110 goto simple; 111 } 112 c = getc(soee); 113 if (c != 'o') { 114 printf(".s"); 115 goto simple; 116 } 117 do 118 c = getc(soee); 119 while (c == ' ' || c == '\t'); 120 cp = fname; 121 isfile = 0; 122 for (;;) { 123 switch (c) { 124 125 case ' ': 126 case '\t': 127 case '\n': 128 case EOF: 129 goto donename; 130 131 default: 132 *cp++ = c; 133 c = getc(soee); 134 isfile++; 135 continue; 136 } 137 } 138 donename: 139 if (cp == fname) { 140 printf(".so"); 141 goto simple; 142 } 143 *cp = 0; 144 if (process(fname) < 0) 145 if (isfile) 146 printf(".so %s\n", fname); 147 continue; 148 simple: 149 if (c == EOF) 150 break; 151 putchar(c); 152 if (c != '\n') { 153 c = getc(soee); 154 goto simple; 155 } 156 } 157 if (soee != stdin) { 158 fclose(soee); 159 } 160 return(0); 161 } 162