1 /* $NetBSD: soelim.c,v 1.4 1997/10/19 23:25:51 lukem 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 #include <sys/cdefs.h> 37 #ifndef lint 38 __COPYRIGHT("@(#) 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 __RCSID("$NetBSD: soelim.c,v 1.4 1997/10/19 23:25:51 lukem 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 int main __P((int, char **)); 69 int process __P((char *)); 70 71 int 72 main(argc, argv) 73 int argc; 74 char *argv[]; 75 { 76 77 argc--; 78 argv++; 79 if (argc == 0) { 80 (void)process(STDIN_NAME); 81 exit(0); 82 } 83 do { 84 (void)process(argv[0]); 85 argv++; 86 argc--; 87 } while (argc > 0); 88 exit(0); 89 } 90 91 int 92 process(file) 93 char *file; 94 { 95 char *cp; 96 int c; 97 char fname[BUFSIZ]; 98 FILE *soee; 99 int isfile; 100 101 if (!strcmp(file, STDIN_NAME)) { 102 soee = stdin; 103 } else { 104 soee = fopen(file, "r"); 105 if (soee == NULL) { 106 perror(file); 107 return(-1); 108 } 109 } 110 for (;;) { 111 c = getc(soee); 112 if (c == EOF) 113 break; 114 if (c != '.') 115 goto simple; 116 c = getc(soee); 117 if (c != 's') { 118 putchar('.'); 119 goto simple; 120 } 121 c = getc(soee); 122 if (c != 'o') { 123 printf(".s"); 124 goto simple; 125 } 126 do 127 c = getc(soee); 128 while (c == ' ' || c == '\t'); 129 cp = fname; 130 isfile = 0; 131 for (;;) { 132 switch (c) { 133 134 case ' ': 135 case '\t': 136 case '\n': 137 case EOF: 138 goto donename; 139 140 default: 141 *cp++ = c; 142 c = getc(soee); 143 isfile++; 144 continue; 145 } 146 } 147 donename: 148 if (cp == fname) { 149 printf(".so"); 150 goto simple; 151 } 152 *cp = 0; 153 if (process(fname) < 0) 154 if (isfile) 155 printf(".so %s\n", fname); 156 continue; 157 simple: 158 if (c == EOF) 159 break; 160 putchar(c); 161 if (c != '\n') { 162 c = getc(soee); 163 goto simple; 164 } 165 } 166 if (soee != stdin) { 167 fclose(soee); 168 } 169 return(0); 170 } 171