diff options
Diffstat (limited to 'usr.bin/pr/egetopt.c')
| -rw-r--r-- | usr.bin/pr/egetopt.c | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/usr.bin/pr/egetopt.c b/usr.bin/pr/egetopt.c deleted file mode 100644 index dd5bbbd..0000000 --- a/usr.bin/pr/egetopt.c +++ /dev/null @@ -1,215 +0,0 @@ -/*- - * Copyright (c) 1991 Keith Muller. - * Copyright (c) 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Keith Muller of the University of California, San Diego. - * - * 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 sccsid[] = "@(#)egetopt.c 8.1 (Berkeley) 6/6/93"; -#endif /* not lint */ - -#include <ctype.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#include "extern.h" - -/* - * egetopt: get option letter from argument vector (an extended - * version of getopt). - * - * Non standard additions to the ostr specs are: - * 1) '?': immediate value following arg is optional (no white space - * between the arg and the value) - * 2) '#': +/- followed by a number (with an optional sign but - * no white space between the arg and the number). The - may be - * combined with other options, but the + cannot. - */ - -int eopterr = 1; /* if error message should be printed */ -int eoptind = 1; /* index into parent argv vector */ -int eoptopt; /* character checked for validity */ -char *eoptarg; /* argument associated with option */ - -#define BADCH (int)'?' -#define EMSG "" - -int -egetopt(nargc, nargv, ostr) - int nargc; - char * const *nargv; - const char *ostr; -{ - static char *place = EMSG; /* option letter processing */ - register char *oli; /* option letter list index */ - static int delim; /* which option delimeter */ - register char *p; - static char savec = '\0'; - - if (savec != '\0') { - *place = savec; - savec = '\0'; - } - - if (!*place) { - /* - * update scanning pointer - */ - if ((eoptind >= nargc) || - ((*(place = nargv[eoptind]) != '-') && (*place != '+'))) { - place = EMSG; - return (EOF); - } - - delim = (int)*place; - if (place[1] && *++place == '-' && !place[1]) { - /* - * found "--" - */ - ++eoptind; - place = EMSG; - return (EOF); - } - } - - /* - * check option letter - */ - if ((eoptopt = (int)*place++) == (int)':' || (eoptopt == (int)'?') || - !(oli = strchr(ostr, eoptopt))) { - /* - * if the user didn't specify '-' as an option, - * assume it means EOF when by itself. - */ - if ((eoptopt == (int)'-') && !*place) - return (EOF); - if (strchr(ostr, '#') && (isdigit(eoptopt) || - (((eoptopt == (int)'-') || (eoptopt == (int)'+')) && - isdigit(*place)))) { - /* - * # option: +/- with a number is ok - */ - for (p = place; *p != '\0'; ++p) { - if (!isdigit(*p)) - break; - } - eoptarg = place-1; - - if (*p == '\0') { - place = EMSG; - ++eoptind; - } else { - place = p; - savec = *p; - *place = '\0'; - } - return (delim); - } - - if (!*place) - ++eoptind; - if (eopterr) { - if (!(p = strrchr(*nargv, '/'))) - p = *nargv; - else - ++p; - (void)fprintf(stderr, "%s: illegal option -- %c\n", - p, eoptopt); - } - return (BADCH); - } - if (delim == (int)'+') { - /* - * '+' is only allowed with numbers - */ - if (!*place) - ++eoptind; - if (eopterr) { - if (!(p = strrchr(*nargv, '/'))) - p = *nargv; - else - ++p; - (void)fprintf(stderr, - "%s: illegal '+' delimiter with option -- %c\n", - p, eoptopt); - } - return (BADCH); - } - ++oli; - if ((*oli != ':') && (*oli != '?')) { - /* - * don't need argument - */ - eoptarg = NULL; - if (!*place) - ++eoptind; - return (eoptopt); - } - - if (*place) { - /* - * no white space - */ - eoptarg = place; - } else if (*oli == '?') { - /* - * no arg, but NOT required - */ - eoptarg = NULL; - } else if (nargc <= ++eoptind) { - /* - * no arg, but IS required - */ - place = EMSG; - if (eopterr) { - if (!(p = strrchr(*nargv, '/'))) - p = *nargv; - else - ++p; - (void)fprintf(stderr, - "%s: option requires an argument -- %c\n", p, - eoptopt); - } - return (BADCH); - } else { - /* - * arg has white space - */ - eoptarg = nargv[eoptind]; - } - place = EMSG; - ++eoptind; - return (eoptopt); -} |
