|
|
|
@@ -1,4 +1,4 @@
|
|
|
|
|
/* $OpenBSD: getopt_long.c,v 1.20 2005/10/25 15:49:37 jmc Exp $ */
|
|
|
|
|
/* $OpenBSD: getopt_long.c,v 1.22 2006/10/04 21:29:04 jmc Exp $ */
|
|
|
|
|
/* $NetBSD: getopt_long.c,v 1.15 2002/01/31 22:43:40 tv Exp $ */
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
@@ -35,13 +35,6 @@
|
|
|
|
|
* 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 NetBSD
|
|
|
|
|
* Foundation, Inc. and its contributors.
|
|
|
|
|
* 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
|
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
|
|
@@ -56,22 +49,33 @@
|
|
|
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#if 0
|
|
|
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
|
|
|
|
static char *rcsid = "$OpenBSD: getopt_long.c,v 1.16 2004/02/04 18:17:25 millert Exp $";
|
|
|
|
|
#endif /* LIBC_SCCS and not lint */
|
|
|
|
|
#endif
|
|
|
|
|
#include <sys/cdefs.h>
|
|
|
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
|
|
|
|
|
|
#include <err.h>
|
|
|
|
|
#include <errno.h>
|
|
|
|
|
#include <getopt.h>
|
|
|
|
|
#include <stdlib.h>
|
|
|
|
|
#include <string.h>
|
|
|
|
|
#include <stdio.h>
|
|
|
|
|
|
|
|
|
|
#define GNU_COMPATIBLE /* Be more compatible, configure's use us! */
|
|
|
|
|
|
|
|
|
|
#if 0 /* we prefer to keep our getopt(3) */
|
|
|
|
|
#define REPLACE_GETOPT /* use this getopt as the system getopt(3) */
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef REPLACE_GETOPT
|
|
|
|
|
int opterr = 1; /* if error message should be printed */
|
|
|
|
|
int optind = 1; /* index into parent argv vector */
|
|
|
|
|
int optopt = '?'; /* character checked for validity */
|
|
|
|
|
int optreset; /* reset getopt */
|
|
|
|
|
char *optarg; /* argument associated with option */
|
|
|
|
|
#endif
|
|
|
|
|
int optreset; /* reset getopt */
|
|
|
|
|
|
|
|
|
|
#define PRINT_ERROR ((opterr) && (*options != ':'))
|
|
|
|
|
|
|
|
|
@@ -86,10 +90,17 @@ int optreset; /* reset getopt */
|
|
|
|
|
|
|
|
|
|
#define EMSG ""
|
|
|
|
|
|
|
|
|
|
#ifdef GNU_COMPATIBLE
|
|
|
|
|
#define NO_PREFIX (-1)
|
|
|
|
|
#define D_PREFIX 0
|
|
|
|
|
#define DD_PREFIX 1
|
|
|
|
|
#define W_PREFIX 2
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
static int getopt_internal(int, char * const *, const char *,
|
|
|
|
|
const struct option *, int *, int);
|
|
|
|
|
static int parse_long_options(char * const *, const char *,
|
|
|
|
|
const struct option *, int *, int);
|
|
|
|
|
const struct option *, int *, int, int);
|
|
|
|
|
static int gcd(int, int);
|
|
|
|
|
static void permute_args(int, int, int, char * const *);
|
|
|
|
|
|
|
|
|
@@ -101,11 +112,21 @@ static int nonopt_end = -1; /* first option after non options (for permute) */
|
|
|
|
|
|
|
|
|
|
/* Error messages */
|
|
|
|
|
static const char recargchar[] = "option requires an argument -- %c";
|
|
|
|
|
static const char illoptchar[] = "illegal option -- %c"; /* From P1003.2 */
|
|
|
|
|
#ifdef GNU_COMPATIBLE
|
|
|
|
|
static int dash_prefix = NO_PREFIX;
|
|
|
|
|
static const char gnuoptchar[] = "invalid option -- %c";
|
|
|
|
|
|
|
|
|
|
static const char recargstring[] = "option `%s%s' requires an argument";
|
|
|
|
|
static const char ambig[] = "option `%s%.*s' is ambiguous";
|
|
|
|
|
static const char noarg[] = "option `%s%.*s' doesn't allow an argument";
|
|
|
|
|
static const char illoptstring[] = "unrecognized option `%s%s'";
|
|
|
|
|
#else
|
|
|
|
|
static const char recargstring[] = "option requires an argument -- %s";
|
|
|
|
|
static const char ambig[] = "ambiguous option -- %.*s";
|
|
|
|
|
static const char noarg[] = "option doesn't take an argument -- %.*s";
|
|
|
|
|
static const char illoptchar[] = "unknown option -- %c";
|
|
|
|
|
static const char illoptstring[] = "unknown option -- %s";
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Compute the greatest common divisor of a and b.
|
|
|
|
@@ -169,14 +190,35 @@ permute_args(int panonopt_start, int panonopt_end, int opt_end,
|
|
|
|
|
*/
|
|
|
|
|
static int
|
|
|
|
|
parse_long_options(char * const *nargv, const char *options,
|
|
|
|
|
const struct option *long_options, int *idx, int short_too)
|
|
|
|
|
const struct option *long_options, int *idx, int short_too, int flags)
|
|
|
|
|
{
|
|
|
|
|
char *current_argv, *has_equal;
|
|
|
|
|
#ifdef GNU_COMPATIBLE
|
|
|
|
|
char *current_dash;
|
|
|
|
|
#endif
|
|
|
|
|
size_t current_argv_len;
|
|
|
|
|
int i, match;
|
|
|
|
|
int i, match, exact_match, second_partial_match;
|
|
|
|
|
|
|
|
|
|
current_argv = place;
|
|
|
|
|
#ifdef GNU_COMPATIBLE
|
|
|
|
|
switch (dash_prefix) {
|
|
|
|
|
case D_PREFIX:
|
|
|
|
|
current_dash = "-";
|
|
|
|
|
break;
|
|
|
|
|
case DD_PREFIX:
|
|
|
|
|
current_dash = "--";
|
|
|
|
|
break;
|
|
|
|
|
case W_PREFIX:
|
|
|
|
|
current_dash = "-W ";
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
current_dash = "";
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
match = -1;
|
|
|
|
|
exact_match = 0;
|
|
|
|
|
second_partial_match = 0;
|
|
|
|
|
|
|
|
|
|
optind++;
|
|
|
|
|
|
|
|
|
@@ -196,6 +238,7 @@ parse_long_options(char * const *nargv, const char *options,
|
|
|
|
|
if (strlen(long_options[i].name) == current_argv_len) {
|
|
|
|
|
/* exact match */
|
|
|
|
|
match = i;
|
|
|
|
|
exact_match = 1;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
/*
|
|
|
|
@@ -205,25 +248,37 @@ parse_long_options(char * const *nargv, const char *options,
|
|
|
|
|
if (short_too && current_argv_len == 1)
|
|
|
|
|
continue;
|
|
|
|
|
|
|
|
|
|
if (match == -1) /* partial match */
|
|
|
|
|
if (match == -1) /* first partial match */
|
|
|
|
|
match = i;
|
|
|
|
|
else {
|
|
|
|
|
/* ambiguous abbreviation */
|
|
|
|
|
if (PRINT_ERROR)
|
|
|
|
|
fprintf(stderr,
|
|
|
|
|
ambig, (int)current_argv_len,
|
|
|
|
|
current_argv);
|
|
|
|
|
optopt = 0;
|
|
|
|
|
return (BADCH);
|
|
|
|
|
}
|
|
|
|
|
else if ((flags & FLAG_LONGONLY) ||
|
|
|
|
|
long_options[i].has_arg !=
|
|
|
|
|
long_options[match].has_arg ||
|
|
|
|
|
long_options[i].flag != long_options[match].flag ||
|
|
|
|
|
long_options[i].val != long_options[match].val)
|
|
|
|
|
second_partial_match = 1;
|
|
|
|
|
}
|
|
|
|
|
if (!exact_match && second_partial_match) {
|
|
|
|
|
/* ambiguous abbreviation */
|
|
|
|
|
if (PRINT_ERROR)
|
|
|
|
|
warnx(ambig,
|
|
|
|
|
#ifdef GNU_COMPATIBLE
|
|
|
|
|
current_dash,
|
|
|
|
|
#endif
|
|
|
|
|
(int)current_argv_len,
|
|
|
|
|
current_argv);
|
|
|
|
|
optopt = 0;
|
|
|
|
|
return (BADCH);
|
|
|
|
|
}
|
|
|
|
|
if (match != -1) { /* option found */
|
|
|
|
|
if (long_options[match].has_arg == no_argument
|
|
|
|
|
&& has_equal) {
|
|
|
|
|
if (PRINT_ERROR)
|
|
|
|
|
fprintf(stderr,
|
|
|
|
|
noarg, (int)current_argv_len,
|
|
|
|
|
current_argv);
|
|
|
|
|
warnx(noarg,
|
|
|
|
|
#ifdef GNU_COMPATIBLE
|
|
|
|
|
current_dash,
|
|
|
|
|
#endif
|
|
|
|
|
(int)current_argv_len,
|
|
|
|
|
current_argv);
|
|
|
|
|
/*
|
|
|
|
|
* XXX: GNU sets optopt to val regardless of flag
|
|
|
|
|
*/
|
|
|
|
@@ -231,7 +286,11 @@ parse_long_options(char * const *nargv, const char *options,
|
|
|
|
|
optopt = long_options[match].val;
|
|
|
|
|
else
|
|
|
|
|
optopt = 0;
|
|
|
|
|
#ifdef GNU_COMPATIBLE
|
|
|
|
|
return (BADCH);
|
|
|
|
|
#else
|
|
|
|
|
return (BADARG);
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
if (long_options[match].has_arg == required_argument ||
|
|
|
|
|
long_options[match].has_arg == optional_argument) {
|
|
|
|
@@ -252,9 +311,11 @@ parse_long_options(char * const *nargv, const char *options,
|
|
|
|
|
* should be generated.
|
|
|
|
|
*/
|
|
|
|
|
if (PRINT_ERROR)
|
|
|
|
|
fprintf(stderr,
|
|
|
|
|
recargstring,
|
|
|
|
|
current_argv);
|
|
|
|
|
warnx(recargstring,
|
|
|
|
|
#ifdef GNU_COMPATIBLE
|
|
|
|
|
current_dash,
|
|
|
|
|
#endif
|
|
|
|
|
current_argv);
|
|
|
|
|
/*
|
|
|
|
|
* XXX: GNU sets optopt to val regardless of flag
|
|
|
|
|
*/
|
|
|
|
@@ -271,7 +332,11 @@ parse_long_options(char * const *nargv, const char *options,
|
|
|
|
|
return (-1);
|
|
|
|
|
}
|
|
|
|
|
if (PRINT_ERROR)
|
|
|
|
|
fprintf(stderr, illoptstring, current_argv);
|
|
|
|
|
warnx(illoptstring,
|
|
|
|
|
#ifdef GNU_COMPATIBLE
|
|
|
|
|
current_dash,
|
|
|
|
|
#endif
|
|
|
|
|
current_argv);
|
|
|
|
|
optopt = 0;
|
|
|
|
|
return (BADCH);
|
|
|
|
|
}
|
|
|
|
@@ -294,7 +359,7 @@ getopt_internal(int nargc, char * const *nargv, const char *options,
|
|
|
|
|
{
|
|
|
|
|
char *oli; /* option letter list index */
|
|
|
|
|
int optchar, short_too;
|
|
|
|
|
static int posixly_correct = -1;
|
|
|
|
|
int posixly_correct; /* no static, can be changed on the fly */
|
|
|
|
|
|
|
|
|
|
if (options == NULL)
|
|
|
|
|
return (-1);
|
|
|
|
@@ -303,12 +368,18 @@ getopt_internal(int nargc, char * const *nargv, const char *options,
|
|
|
|
|
* Disable GNU extensions if POSIXLY_CORRECT is set or options
|
|
|
|
|
* string begins with a '+'.
|
|
|
|
|
*/
|
|
|
|
|
if (posixly_correct == -1)
|
|
|
|
|
posixly_correct = (getenv("POSIXLY_CORRECT") != NULL);
|
|
|
|
|
posixly_correct = (getenv("POSIXLY_CORRECT") != NULL);
|
|
|
|
|
#ifdef GNU_COMPATIBLE
|
|
|
|
|
if (*options == '-')
|
|
|
|
|
flags |= FLAG_ALLARGS;
|
|
|
|
|
else if (posixly_correct || *options == '+')
|
|
|
|
|
flags &= ~FLAG_PERMUTE;
|
|
|
|
|
#else
|
|
|
|
|
if (posixly_correct || *options == '+')
|
|
|
|
|
flags &= ~FLAG_PERMUTE;
|
|
|
|
|
else if (*options == '-')
|
|
|
|
|
flags |= FLAG_ALLARGS;
|
|
|
|
|
#endif
|
|
|
|
|
if (*options == '+' || *options == '-')
|
|
|
|
|
options++;
|
|
|
|
|
|
|
|
|
@@ -344,7 +415,11 @@ start:
|
|
|
|
|
return (-1);
|
|
|
|
|
}
|
|
|
|
|
if (*(place = nargv[optind]) != '-' ||
|
|
|
|
|
#ifdef GNU_COMPATIBLE
|
|
|
|
|
place[1] == '\0') {
|
|
|
|
|
#else
|
|
|
|
|
(place[1] == '\0' && strchr(options, '-') == NULL)) {
|
|
|
|
|
#endif
|
|
|
|
|
place = EMSG; /* found non-option */
|
|
|
|
|
if (flags & FLAG_ALLARGS) {
|
|
|
|
|
/*
|
|
|
|
@@ -407,20 +482,26 @@ start:
|
|
|
|
|
if (long_options != NULL && place != nargv[optind] &&
|
|
|
|
|
(*place == '-' || (flags & FLAG_LONGONLY))) {
|
|
|
|
|
short_too = 0;
|
|
|
|
|
if (*place == '-')
|
|
|
|
|
#ifdef GNU_COMPATIBLE
|
|
|
|
|
dash_prefix = D_PREFIX;
|
|
|
|
|
#endif
|
|
|
|
|
if (*place == '-') {
|
|
|
|
|
place++; /* --foo long option */
|
|
|
|
|
else if (*place != ':' && strchr(options, *place) != NULL)
|
|
|
|
|
#ifdef GNU_COMPATIBLE
|
|
|
|
|
dash_prefix = DD_PREFIX;
|
|
|
|
|
#endif
|
|
|
|
|
} else if (*place != ':' && strchr(options, *place) != NULL)
|
|
|
|
|
short_too = 1; /* could be short option too */
|
|
|
|
|
|
|
|
|
|
optchar = parse_long_options(nargv, options, long_options,
|
|
|
|
|
idx, short_too);
|
|
|
|
|
idx, short_too, flags);
|
|
|
|
|
if (optchar != -1) {
|
|
|
|
|
place = EMSG;
|
|
|
|
|
return (optchar);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (((optchar = (int)*place++) == (int)':') ||
|
|
|
|
|
if ((optchar = (int)*place++) == (int)':' ||
|
|
|
|
|
(optchar == (int)'-' && *place != '\0') ||
|
|
|
|
|
(oli = strchr(options, optchar)) == NULL) {
|
|
|
|
|
/*
|
|
|
|
@@ -432,8 +513,14 @@ start:
|
|
|
|
|
return (-1);
|
|
|
|
|
if (!*place)
|
|
|
|
|
++optind;
|
|
|
|
|
#ifdef GNU_COMPATIBLE
|
|
|
|
|
if (PRINT_ERROR)
|
|
|
|
|
fprintf(stderr, illoptchar, optchar);
|
|
|
|
|
warnx(posixly_correct ? illoptchar : gnuoptchar,
|
|
|
|
|
optchar);
|
|
|
|
|
#else
|
|
|
|
|
if (PRINT_ERROR)
|
|
|
|
|
warnx(illoptchar, optchar);
|
|
|
|
|
#endif
|
|
|
|
|
optopt = optchar;
|
|
|
|
|
return (BADCH);
|
|
|
|
|
}
|
|
|
|
@@ -444,13 +531,16 @@ start:
|
|
|
|
|
else if (++optind >= nargc) { /* no arg */
|
|
|
|
|
place = EMSG;
|
|
|
|
|
if (PRINT_ERROR)
|
|
|
|
|
fprintf(stderr, recargchar, optchar);
|
|
|
|
|
warnx(recargchar, optchar);
|
|
|
|
|
optopt = optchar;
|
|
|
|
|
return (BADARG);
|
|
|
|
|
} else /* white space */
|
|
|
|
|
place = nargv[optind];
|
|
|
|
|
#ifdef GNU_COMPATIBLE
|
|
|
|
|
dash_prefix = W_PREFIX;
|
|
|
|
|
#endif
|
|
|
|
|
optchar = parse_long_options(nargv, options, long_options,
|
|
|
|
|
idx, 0);
|
|
|
|
|
idx, 0, flags);
|
|
|
|
|
place = EMSG;
|
|
|
|
|
return (optchar);
|
|
|
|
|
}
|
|
|
|
@@ -461,24 +551,15 @@ start:
|
|
|
|
|
optarg = NULL;
|
|
|
|
|
if (*place) /* no white space */
|
|
|
|
|
optarg = place;
|
|
|
|
|
/* XXX: disable test for :: if PC? (GNU doesn't) */
|
|
|
|
|
else if (oli[1] != ':') { /* arg not optional */
|
|
|
|
|
if (++optind >= nargc) { /* no arg */
|
|
|
|
|
place = EMSG;
|
|
|
|
|
if (PRINT_ERROR)
|
|
|
|
|
fprintf(stderr, recargchar, optchar);
|
|
|
|
|
warnx(recargchar, optchar);
|
|
|
|
|
optopt = optchar;
|
|
|
|
|
return (BADARG);
|
|
|
|
|
} else
|
|
|
|
|
optarg = nargv[optind];
|
|
|
|
|
} else if (!(flags & FLAG_PERMUTE)) {
|
|
|
|
|
/*
|
|
|
|
|
* If permutation is disabled, we can accept an
|
|
|
|
|
* optional arg separated by whitespace so long
|
|
|
|
|
* as it does not start with a dash (-).
|
|
|
|
|
*/
|
|
|
|
|
if (optind + 1 < nargc && *nargv[optind + 1] != '-')
|
|
|
|
|
optarg = nargv[++optind];
|
|
|
|
|
}
|
|
|
|
|
place = EMSG;
|
|
|
|
|
++optind;
|
|
|
|
@@ -516,7 +597,7 @@ getopt(int nargc, char * const *nargv, const char *options)
|
|
|
|
|
*/
|
|
|
|
|
int
|
|
|
|
|
getopt_long(int nargc, char * const *nargv, const char *options,
|
|
|
|
|
const struct option *long_options, int *idx)
|
|
|
|
|
const struct option *long_options, int *idx)
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
return (getopt_internal(nargc, nargv, options, long_options, idx,
|
|
|
|
@@ -529,7 +610,7 @@ getopt_long(int nargc, char * const *nargv, const char *options,
|
|
|
|
|
*/
|
|
|
|
|
int
|
|
|
|
|
getopt_long_only(int nargc, char * const *nargv, const char *options,
|
|
|
|
|
const struct option *long_options, int *idx)
|
|
|
|
|
const struct option *long_options, int *idx)
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
return (getopt_internal(nargc, nargv, options, long_options, idx,
|