1 /* 2 * Copyright (c) 1980, 1993 3 * The Regents of the University of California. 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 static const char copyright[] = 36 "@(#) Copyright (c) 1980, 1993\n\ 37 The Regents of the University of California. All rights reserved.\n"; 38 #endif /* not lint */ 39 40 #ifndef lint 41 #if 0 42 static char sccsid[] = "@(#)soelim.c 8.1 (Berkeley) 6/6/93"; 43 #endif 44 static const char rcsid[] = 45 "$FreeBSD$"; 46 #endif /* not lint */ 47 48 #include <err.h> 49 #include <stdio.h> 50 #include <stdlib.h> 51 #include <string.h> 52 /* 53 * soelim - a filter to process n/troff input eliminating .so's 54 * 55 * Author: Bill Joy UCB July 8, 1977 56 * 57 * This program eliminates .so's from a n/troff input stream. 58 * It can be used to prepare safe input for submission to the 59 * phototypesetter since the software supporting the operator 60 * doesn't let him do chdir. 61 * 62 * This is a kludge and the operator should be given the 63 * ability to do chdir. 64 * 65 * This program is more generally useful, it turns out, because 66 * the program tbl doesn't understand ".so" directives. 67 */ 68 #define STDIN_NAME "-" 69 70 int process(const char *); 71 72 int 73 main(int argc, char *argv[]) 74 { 75 76 argc--; 77 argv++; 78 if (argc == 0) { 79 (void)process(STDIN_NAME); 80 exit(0); 81 } 82 do { 83 (void)process(argv[0]); 84 argv++; 85 argc--; 86 } while (argc > 0); 87 exit(0); 88 } 89 90 int 91 process(const char *file) 92 { 93 char *cp; 94 int c; 95 char fname[BUFSIZ]; 96 FILE *soee; 97 int isfile; 98 int line = 1; 99 100 if (!strcmp(file, STDIN_NAME)) { 101 soee = stdin; 102 } else { 103 soee = fopen(file, "r"); 104 if (soee == NULL) { 105 warn("%s", file); 106 return(-1); 107 } 108 } 109 printf (".lf %d %s\n", line, file); 110 for (;;) { 111 line++; 112 c = getc(soee); 113 if (c == EOF) 114 break; 115 if (c != '.') 116 goto simple; 117 c = getc(soee); 118 if (c != 's') { 119 putchar('.'); 120 goto simple; 121 } 122 c = getc(soee); 123 if (c != 'o') { 124 printf(".s"); 125 goto simple; 126 } 127 do 128 c = getc(soee); 129 while (c == ' ' || c == '\t'); 130 cp = fname; 131 isfile = 0; 132 for (;;) { 133 switch (c) { 134 135 case ' ': 136 case '\t': 137 case '\n': 138 case EOF: 139 goto donename; 140 141 default: 142 *cp++ = c; 143 c = getc(soee); 144 isfile++; 145 continue; 146 } 147 } 148 donename: 149 if (cp == fname) { 150 printf(".so"); 151 goto simple; 152 } 153 *cp = 0; 154 if (process(fname) < 0) 155 if (isfile) 156 printf(".so %s\n", fname); 157 printf (".lf %d %s\n", line, file); 158 continue; 159 simple: 160 if (c == EOF) 161 break; 162 putchar(c); 163 if (c != '\n') { 164 c = getc(soee); 165 goto simple; 166 } 167 } 168 if (soee != stdin) { 169 fclose(soee); 170 } 171 return(0); 172 } 173