diff --git a/commands/simple/Makefile b/commands/simple/Makefile index 4e67ecd6e..9321b563c 100755 --- a/commands/simple/Makefile +++ b/commands/simple/Makefile @@ -140,6 +140,7 @@ ALL = \ rcp \ rdate \ readall \ + rev \ readfs \ remsync \ rget \ @@ -601,6 +602,10 @@ rdate: rdate.c $(CCLD) -o $@ rdate.c @install -S 8kw $@ +rev: rev.c + $(CCLD) -o $@ rev.c + @install -S 8kw $@ + readall: readall.c $(CCLD) -o $@ $? @install -S 4kw $@ @@ -820,7 +825,8 @@ install: \ /usr/bin/del_route \ /usr/bin/at \ /usr/bin/backup \ - /usr/bin/restore \ + /usr/bin/restore \ + /usr/bin/rev \ /usr/bin/badblocks \ /usr/bin/banner \ /usr/bin/basename \ @@ -1364,6 +1370,9 @@ install: \ /usr/bin/remsync: remsync install -cs -o bin $? $@ +/usr/bin/rev: rev + install -cs -o bin $? $@ + /usr/bin/rget: rget install -cs -o bin $? $@ diff --git a/commands/simple/rev.c b/commands/simple/rev.c new file mode 100644 index 000000000..b6948ffe4 --- /dev/null +++ b/commands/simple/rev.c @@ -0,0 +1,108 @@ +/*- + * Copyright (c) 1987, 1992, 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 const char copyright[] = +"@(#) Copyright (c) 1987, 1992, 1993\n\ + The Regents of the University of California. All rights reserved.\n"; +#endif /* not lint */ + +#include + +#include +#include +#include +#include +#include +#include + +void usage(void); + +int +main(int argc, char *argv[]) +{ + const char *filename; + char p[2000], *t; + FILE *fp; + size_t len; + int ch, rval; + + setlocale(LC_ALL, ""); + + while ((ch = getopt(argc, argv, "")) != -1) + switch(ch) { + case '?': + default: + usage(); + } + + argc -= optind; + argv += optind; + + fp = stdin; + filename = "stdin"; + rval = 0; + do { + if (*argv) { + if ((fp = fopen(*argv, "r")) == NULL) { + perror(*argv); + rval = 1; + ++argv; + continue; + } + filename = *argv++; + } + while ((fgets(p, sizeof(p)-1, fp)) != NULL) { + len = strlen(p); + if (p[len - 1] == '\n') + --len; + t = p + len - 1; + for (t = p + len - 1; t >= p; --t) + putchar(*t); + putchar('\n'); + } + if (ferror(fp)) { + perror(filename); + rval = 1; + } + (void)fclose(fp); + } while(*argv); + exit(rval); +} + +void +usage(void) +{ + (void)fprintf(stderr, "usage: rev [file ...]\n"); + exit(1); +}