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/* | ||
* Copyright (c) 1987, 1993, 1994 | ||
* 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. | ||
*/ | ||
|
||
/* last review : october 29th, 2002 */ | ||
|
||
#if defined(LIBC_SCCS) && !defined(lint) | ||
static char sccsid[] = "@(#)getopt.c 8.3 (Berkeley) 4/27/95"; | ||
#endif /* LIBC_SCCS and not lint */ | ||
|
||
#include <stdio.h> | ||
#include <stdlib.h> | ||
#include <string.h> | ||
|
||
int opterr = 1, /* if error message should be printed */ | ||
optind = 1, /* index into parent argv vector */ | ||
optopt, /* character checked for validity */ | ||
optreset; /* reset getopt */ | ||
char *optarg; /* argument associated with option */ | ||
|
||
#define BADCH (int)'?' | ||
#define BADARG (int)':' | ||
#define EMSG "" | ||
|
||
/* | ||
* getopt -- | ||
* Parse argc/argv argument vector. | ||
*/ | ||
int getopt(int nargc, char *const *nargv, const char *ostr) { | ||
|
||
# define __progname nargv[0] /* program name */ | ||
|
||
static char *place = EMSG; /* option letter processing */ | ||
char *oli; /* option letter list index */ | ||
|
||
if (optreset || !*place) { /* update scanning pointer */ | ||
optreset = 0; | ||
if (optind >= nargc || *(place = nargv[optind]) != '-') { | ||
place = EMSG; | ||
return (-1); | ||
} | ||
if (place[1] && *++place == '-') { /* found "--" */ | ||
++optind; | ||
place = EMSG; | ||
return (-1); | ||
} | ||
} /* option letter okay? */ | ||
|
||
if ((optopt = (int) *place++) == (int) ':' || !(oli = strchr(ostr, optopt))) { | ||
/* if the user didn't specify '-' as an option, assume it means -1. */ | ||
if (optopt == (int) '-') | ||
return (-1); | ||
if (!*place) | ||
++optind; | ||
if (opterr && *ostr != ':') | ||
(void) fprintf(stdout,"[ERROR] %s: illegal option -- %c\n", __progname, optopt); | ||
return (BADCH); | ||
} | ||
|
||
if (*++oli != ':') { /* don't need argument */ | ||
optarg = NULL; | ||
if (!*place) | ||
++optind; | ||
} else { /* need an argument */ | ||
if (*place) /* no white space */ | ||
optarg = place; | ||
else if (nargc <= ++optind) { /* no arg */ | ||
place = EMSG; | ||
if (*ostr == ':') | ||
return (BADARG); | ||
if (opterr) | ||
(void) fprintf(stdout, "[ERROR] %s: option requires an argument -- %c\n", __progname, optopt); | ||
return (BADCH); | ||
} else /* white space */ | ||
optarg = nargv[optind]; | ||
place = EMSG; | ||
++optind; | ||
} | ||
return (optopt); /* dump back option letter */ | ||
} | ||
/* | ||
* Copyright (c) 1987, 1993, 1994 | ||
* 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. | ||
*/ | ||
|
||
/* last review : october 29th, 2002 */ | ||
|
||
#if defined(LIBC_SCCS) && !defined(lint) | ||
static char sccsid[] = "@(#)getopt.c 8.3 (Berkeley) 4/27/95"; | ||
#endif /* LIBC_SCCS and not lint */ | ||
|
||
#include <stdio.h> | ||
#include <stdlib.h> | ||
#include <string.h> | ||
|
||
int opterr = 1, /* if error message should be printed */ | ||
optind = 1, /* index into parent argv vector */ | ||
optopt, /* character checked for validity */ | ||
optreset; /* reset getopt */ | ||
char *optarg; /* argument associated with option */ | ||
|
||
#define BADCH (int)'?' | ||
#define BADARG (int)':' | ||
#define EMSG "" | ||
|
||
/* | ||
* getopt -- | ||
* Parse argc/argv argument vector. | ||
*/ | ||
int getopt(int nargc, char *const *nargv, const char *ostr) | ||
{ | ||
|
||
# define __progname nargv[0] /* program name */ | ||
|
||
static char *place = EMSG; /* option letter processing */ | ||
char *oli; /* option letter list index */ | ||
|
||
if (optreset || !*place) { /* update scanning pointer */ | ||
optreset = 0; | ||
if (optind >= nargc || *(place = nargv[optind]) != '-') { | ||
place = EMSG; | ||
return (-1); | ||
} | ||
if (place[1] && *++place == '-') { /* found "--" */ | ||
++optind; | ||
place = EMSG; | ||
return (-1); | ||
} | ||
} /* option letter okay? */ | ||
|
||
if ((optopt = (int) * place++) == (int) ':' || !(oli = strchr(ostr, optopt))) { | ||
/* if the user didn't specify '-' as an option, assume it means -1. */ | ||
if (optopt == (int) '-') { | ||
return (-1); | ||
} | ||
if (!*place) { | ||
++optind; | ||
} | ||
if (opterr && *ostr != ':') { | ||
(void) fprintf(stdout, "[ERROR] %s: illegal option -- %c\n", __progname, | ||
optopt); | ||
} | ||
return (BADCH); | ||
} | ||
|
||
if (*++oli != ':') { /* don't need argument */ | ||
optarg = NULL; | ||
if (!*place) { | ||
++optind; | ||
} | ||
} else { /* need an argument */ | ||
if (*place) { /* no white space */ | ||
optarg = place; | ||
} else if (nargc <= ++optind) { /* no arg */ | ||
place = EMSG; | ||
if (*ostr == ':') { | ||
return (BADARG); | ||
} | ||
if (opterr) { | ||
(void) fprintf(stdout, "[ERROR] %s: option requires an argument -- %c\n", | ||
__progname, optopt); | ||
} | ||
return (BADCH); | ||
} else { /* white space */ | ||
optarg = nargv[optind]; | ||
} | ||
place = EMSG; | ||
++optind; | ||
} | ||
return (optopt); /* dump back option letter */ | ||
} |
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