diff options
Diffstat (limited to 'usr.bin/soelim/soelim.c')
-rw-r--r-- | usr.bin/soelim/soelim.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/usr.bin/soelim/soelim.c b/usr.bin/soelim/soelim.c new file mode 100644 index 0000000..fab07c3 --- /dev/null +++ b/usr.bin/soelim/soelim.c @@ -0,0 +1,160 @@ +/* + * Copyright (c) 1980, 1993 + * The Regents of the University of California. All rights reserved. + * + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#ifndef lint +static char copyright[] = +"@(#) Copyright (c) 1980, 1993\n\ + The Regents of the University of California. All rights reserved.\n"; +#endif /* not lint */ + +#ifndef lint +static char sccsid[] = "@(#)soelim.c 8.1 (Berkeley) 6/6/93"; +#endif /* not lint */ + +#include <stdio.h> +/* + * soelim - a filter to process n/troff input eliminating .so's + * + * Author: Bill Joy UCB July 8, 1977 + * + * This program eliminates .so's from a n/troff input stream. + * It can be used to prepare safe input for submission to the + * phototypesetter since the software supporting the operator + * doesn't let him do chdir. + * + * This is a kludge and the operator should be given the + * ability to do chdir. + * + * This program is more generally useful, it turns out, because + * the program tbl doesn't understand ".so" directives. + */ +#define STDIN_NAME "-" + +main(argc, argv) + int argc; + char *argv[]; +{ + + argc--; + argv++; + if (argc == 0) { + (void)process(STDIN_NAME); + exit(0); + } + do { + (void)process(argv[0]); + argv++; + argc--; + } while (argc > 0); + exit(0); +} + +int process(file) + char *file; +{ + register char *cp; + register int c; + char fname[BUFSIZ]; + FILE *soee; + int isfile; + + if (!strcmp(file, STDIN_NAME)) { + soee = stdin; + } else { + soee = fopen(file, "r"); + if (soee == NULL) { + perror(file); + return(-1); + } + } + for (;;) { + c = getc(soee); + if (c == EOF) + break; + if (c != '.') + goto simple; + c = getc(soee); + if (c != 's') { + putchar('.'); + goto simple; + } + c = getc(soee); + if (c != 'o') { + printf(".s"); + goto simple; + } + do + c = getc(soee); + while (c == ' ' || c == '\t'); + cp = fname; + isfile = 0; + for (;;) { + switch (c) { + + case ' ': + case '\t': + case '\n': + case EOF: + goto donename; + + default: + *cp++ = c; + c = getc(soee); + isfile++; + continue; + } + } +donename: + if (cp == fname) { + printf(".so"); + goto simple; + } + *cp = 0; + if (process(fname) < 0) + if (isfile) + printf(".so %s\n", fname); + continue; +simple: + if (c == EOF) + break; + putchar(c); + if (c != '\n') { + c = getc(soee); + goto simple; + } + } + if (soee != stdin) { + fclose(soee); + } + return(0); +} |