svn merge ^/branches/released .

1 files changed, 552 insertions, 0 deletions

diff --git a/mesalib/src/glsl/getopt.cpp b/mesalib/src/glsl/getopt.cpp
new file mode 100644
index 000000000..ea5dd3927
--- /dev/null
+++ b/mesalib/src/glsl/getopt.cpp
@@ -0,0 +1,552 @@
+/*      $OpenBSD: getopt_long.c,v 1.20 2005/10/25 15:49:37 jmc Exp $    */
+/*      $NetBSD: getopt_long.c,v 1.15 2002/01/31 22:43:40 tv Exp $      */
+// Adapted for Box Backup by Chris Wilson <chris+boxbackup@qwirx.com>
+
+/*
+ * Copyright (c) 2002 Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Sponsored in part by the Defense Advanced Research Projects
+ * Agency (DARPA) and Air Force Research Laboratory, Air Force
+ * Materiel Command, USAF, under agreement number F39502-99-1-0512.
+ */
+/*-
+ * Copyright (c) 2000 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Dieter Baron and Thomas Klausner.
+ *
+ * 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 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
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION 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.
+ */
+
+// #include "Box.h"
+
+#include <errno.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#define __STDC__ 1
+
+#include "getopt.h"
+
+#if defined _MSC_VER || defined __MINGW32__
+#define REPLACE_GETOPT          /* use this getopt as the system getopt(3) */
+
+#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
+
+#define PRINT_ERROR     ((opterr) && (*options != ':'))
+
+#define FLAG_PERMUTE    0x01    /* permute non-options to the end of argv */
+#define FLAG_ALLARGS    0x02    /* treat non-options as args to option "-1" */
+#define FLAG_LONGONLY   0x04    /* operate as getopt_long_only */
+
+/* return values */
+#define BADCH           (int)'?'
+#define BADARG          ((*options == ':') ? (int)':' : (int)'?')
+#define INORDER         (int)1
+
+#define EMSG            ""
+
+static void warnx(const char* fmt, ...)
+{
+        va_list ap;
+        va_start(ap, fmt);
+        vfprintf(stderr, fmt, ap);
+        va_end(ap);
+	        fprintf(stderr, "\n");
+	}
+	
+	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);
+	static int gcd(int, int);
+	static void permute_args(int, int, int, char * const *);
+	
+	static char *place = EMSG; /* option letter processing */
+	
+	/* XXX: set optreset to 1 rather than these two */
+	static int nonopt_start = -1; /* first non option argument (for permute) */
+	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 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";
+	
+	/*
+	 * Compute the greatest common divisor of a and b.
+	 */
+	static int
+	gcd(int a, int b)
+	{
+	        int c;
+	
+	        c = a % b;
+	        while (c != 0) {
+	                a = b;
+	                b = c;
+	                c = a % b;
+	        }
+	
+	        return (b);
+	}
+	
+	/*
+	 * Exchange the block from nonopt_start to nonopt_end with the block
+	 * from nonopt_end to opt_end (keeping the same order of arguments
+	 * in each block).
+	 */
+	static void
+	permute_args(int panonopt_start, int panonopt_end, int opt_end,
+	        char * const *nargv)
+	{
+	        int cstart, cyclelen, i, j, ncycle, nnonopts, nopts, pos;
+	        char *swap;
+	
+	        /*
+	         * compute lengths of blocks and number and size of cycles
+	         */
+	        nnonopts = panonopt_end - panonopt_start;
+	        nopts = opt_end - panonopt_end;
+	        ncycle = gcd(nnonopts, nopts);
+	        cyclelen = (opt_end - panonopt_start) / ncycle;
+	
+	        for (i = 0; i < ncycle; i++) {
+	                cstart = panonopt_end+i;
+	                pos = cstart;
+	                for (j = 0; j < cyclelen; j++) {
+	                        if (pos >= panonopt_end)
+	                                pos -= nnonopts;
+	                        else
+	                                pos += nopts;
+	                        swap = nargv[pos];
+	                        /* LINTED const cast */
+	                        ((char **) nargv)[pos] = nargv[cstart];
+	                        /* LINTED const cast */
+	                        ((char **)nargv)[cstart] = swap;
+	                }
+	        }
+	}
+	
+	/*
+	 * parse_long_options --
+	 *      Parse long options in argc/argv argument vector.
+	 * Returns -1 if short_too is set and the option does not match long_options.
+	 */
+	static int
+	parse_long_options(char * const *nargv, const char *options,
+	        const struct option *long_options, int *idx, int short_too)
+	{
+	        char *current_argv, *has_equal;
+	        size_t current_argv_len;
+	        int i, match;
+	
+	        current_argv = place;
+	        match = -1;
+	
+	        optind++;
+	
+	        if ((has_equal = strchr(current_argv, '=')) != NULL) {
+	                /* argument found (--option=arg) */
+	                current_argv_len = has_equal - current_argv;
+	                has_equal++;
+	        } else
+	                current_argv_len = strlen(current_argv);
+	
+	        for (i = 0; long_options[i].name; i++) {
+	                /* find matching long option */
+	                if (strncmp(current_argv, long_options[i].name,
+	                    current_argv_len))
+	                        continue;
+	
+	                if (strlen(long_options[i].name) == current_argv_len) {
+	                        /* exact match */
+	                        match = i;
+	                        break;
+	                }
+	                /*
+	                 * If this is a known short option, don't allow
+	                 * a partial match of a single character.
+	                 */
+	                if (short_too && current_argv_len == 1)
+	                        continue;
+	
+	                if (match == -1)        /* partial match */
+	                        match = i;
+	                else {
+	                        /* ambiguous abbreviation */
+	                        if (PRINT_ERROR)
+	                                warnx(ambig, (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)
+	                                warnx(noarg, (int)current_argv_len,
+	                                     current_argv);
+	                        /*
+	                         * XXX: GNU sets optopt to val regardless of flag
+	                         */
+	                        if (long_options[match].flag == NULL)
+	                                optopt = long_options[match].val;
+	                        else
+	                                optopt = 0;
+	                        return (BADARG);
+	                }
+	                if (long_options[match].has_arg == required_argument ||
+	                    long_options[match].has_arg == optional_argument) {
+	                        if (has_equal)
+	                                optarg = has_equal;
+	                        else if (long_options[match].has_arg ==
+	                            required_argument) {
+	                                /*
+	                                 * optional argument doesn't use next nargv
+	                                 */
+	                                optarg = nargv[optind++];
+	                        }
+	                }
+	                if ((long_options[match].has_arg == required_argument)
+	                    && (optarg == NULL)) {
+	                        /*
+	                         * Missing argument; leading ':' indicates no error
+	                         * should be generated.
+	                         */
+	                        if (PRINT_ERROR)
+	                                warnx(recargstring,
+	                                    current_argv);
+	                        /*
+	                         * XXX: GNU sets optopt to val regardless of flag
+	                         */
+	                        if (long_options[match].flag == NULL)
+	                                optopt = long_options[match].val;
+	                        else
+	                                optopt = 0;
+	                        --optind;
+	                        return (BADARG);
+	                }
+	        } else {                        /* unknown option */
+	                if (short_too) {
+	                        --optind;
+	                        return (-1);
+	                }
+	                if (PRINT_ERROR)
+	                        warnx(illoptstring, current_argv);
+	                optopt = 0;
+	                return (BADCH);
+	        }
+	        if (idx)
+	                *idx = match;
+	        if (long_options[match].flag) {
+	                *long_options[match].flag = long_options[match].val;
+	                return (0);
+	        } else
+	                return (long_options[match].val);
+	}
+	
+	/*
+	 * getopt_internal --
+	 *      Parse argc/argv argument vector.  Called by user level routines.
+	 */
+	static int
+	getopt_internal(int nargc, char * const *nargv, const char *options,
+	        const struct option *long_options, int *idx, int flags)
+	{
+	        const char * oli; /* option letter list index */
+	        int optchar, short_too;
+	        static int posixly_correct = -1;
+	
+	        if (options == NULL)
+	                return (-1);
+	
+	        /*
+	         * Disable GNU extensions if POSIXLY_CORRECT is set or options
+	         * string begins with a '+'.
+	         */
+	        if (posixly_correct == -1)
+	                posixly_correct = (getenv("POSIXLY_CORRECT") != NULL);
+	        if (posixly_correct || *options == '+')
+	                flags &= ~FLAG_PERMUTE;
+	        else if (*options == '-')
+	                flags |= FLAG_ALLARGS;
+	        if (*options == '+' || *options == '-')
+	                options++;
+	
+	        /*
+	         * XXX Some GNU programs (like cvs) set optind to 0 instead of
+	         * XXX using optreset.  Work around this braindamage.
+	         */
+	        if (optind == 0)
+	                optind = optreset = 1;
+	
+	        optarg = NULL;
+	        if (optreset)
+	                nonopt_start = nonopt_end = -1;
+	start:
+	        if (optreset || !*place) {              /* update scanning pointer */
+	                optreset = 0;
+	                if (optind >= nargc) {          /* end of argument vector */
+	                        place = EMSG;
+	                        if (nonopt_end != -1) {
+	                                /* do permutation, if we have to */
+	                                permute_args(nonopt_start, nonopt_end,
+	                                    optind, nargv);
+	                                optind -= nonopt_end - nonopt_start;
+	                        }
+	                        else if (nonopt_start != -1) {
+	                                /*
+	                                 * If we skipped non-options, set optind
+	                                 * to the first of them.
+	                                 */
+	                                optind = nonopt_start;
+	                        }
+	                        nonopt_start = nonopt_end = -1;
+	                        return (-1);
+	                }
+	                if (*(place = nargv[optind]) != '-' ||
+	                    (place[1] == '\0' && strchr(options, '-') == NULL)) {
+	                        place = EMSG;           /* found non-option */
+	                        if (flags & FLAG_ALLARGS) {
+	                                /*
+	                                 * GNU extension:
+	                                 * return non-option as argument to option 1
+	                                 */
+	                                optarg = nargv[optind++];
+	                                return (INORDER);
+	                        }
+	                        if (!(flags & FLAG_PERMUTE)) {
+	                                /*
+	                                 * If no permutation wanted, stop parsing
+	                                 * at first non-option.
+	                                 */
+	                                return (-1);
+	                        }
+	                        /* do permutation */
+	                        if (nonopt_start == -1)
+	                                nonopt_start = optind;
+	                        else if (nonopt_end != -1) {
+	                                permute_args(nonopt_start, nonopt_end,
+	                                    optind, nargv);
+	                                nonopt_start = optind -
+	                                    (nonopt_end - nonopt_start);
+	                                nonopt_end = -1;
+	                        }
+	                        optind++;
+	                        /* process next argument */
+	                        goto start;
+	                }
+	                if (nonopt_start != -1 && nonopt_end == -1)
+	                        nonopt_end = optind;
+	
+	                /*
+	                 * If we have "-" do nothing, if "--" we are done.
+	                 */
+	                if (place[1] != '\0' && *++place == '-' && place[1] == '\0') {
+	                        optind++;
+	                        place = EMSG;
+	                        /*
+	                         * We found an option (--), so if we skipped
+	                         * non-options, we have to permute.
+	                         */
+	                        if (nonopt_end != -1) {
+	                                permute_args(nonopt_start, nonopt_end,
+	                                    optind, nargv);
+	                                optind -= nonopt_end - nonopt_start;
+	                        }
+	                        nonopt_start = nonopt_end = -1;
+	                        return (-1);
+	                }
+	        }
+	
+	        /*
+	         * Check long options if:
+	         *  1) we were passed some
+	         *  2) the arg is not just "-"
+	         *  3) either the arg starts with -- we are getopt_long_only()
+	         */
+	        if (long_options != NULL && place != nargv[optind] &&
+	            (*place == '-' || (flags & FLAG_LONGONLY))) {
+	                short_too = 0;
+	                if (*place == '-')
+	                        place++;                /* --foo long option */
+	                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);
+	                if (optchar != -1) {
+	                        place = EMSG;
+	                        return (optchar);
+	                }
+	        }
+	
+	        if ((optchar = (int)*place++) == (int)':' ||
+	            optchar == (int)'-' && *place != '\0' ||
+	            (oli = strchr(options, optchar)) == NULL) {
+	                /*
+	                 * If the user specified "-" and  '-' isn't listed in
+	                 * options, return -1 (non-option) as per POSIX.
+	                 * Otherwise, it is an unknown option character (or ':').
+	                 */
+	                if (optchar == (int)'-' && *place == '\0')
+	                        return (-1);
+	                if (!*place)
+	                        ++optind;
+	                if (PRINT_ERROR)
+	                        warnx(illoptchar, optchar);
+	                optopt = optchar;
+	                return (BADCH);
+	        }
+	        if (long_options != NULL && optchar == 'W' && oli[1] == ';') {
+	                /* -W long-option */
+	                if (*place)                     /* no space */
+	                        /* NOTHING */;
+	                else if (++optind >= nargc) {   /* no arg */
+	                        place = EMSG;
+	                        if (PRINT_ERROR)
+	                                warnx(recargchar, optchar);
+	                        optopt = optchar;
+	                        return (BADARG);
+	                } else                          /* white space */
+	                        place = nargv[optind];
+	                optchar = parse_long_options(nargv, options, long_options,
+	                    idx, 0);
+	                place = EMSG;
+	                return (optchar);
+	        }
+	        if (*++oli != ':') {                    /* doesn't take argument */
+	                if (!*place)
+	                        ++optind;
+	        } else {                                /* takes (optional) argument */
+	                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)
+	                                        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;
+	        }
+	        /* dump back option letter */
+	        return (optchar);
+	}
+	
+	#ifdef REPLACE_GETOPT
+	/*
+	 * getopt --
+	 *      Parse argc/argv argument vector.
+	 *
+	 * [eventually this will replace the BSD getopt]
+	 */
+	int
+	getopt(int nargc, char * const *nargv, const char *options)
+	{
+	
+	        /*
+	         * We don't pass FLAG_PERMUTE to getopt_internal() since
+	         * the BSD getopt(3) (unlike GNU) has never done this.
+	         *
+	         * Furthermore, since many privileged programs call getopt()
+	         * before dropping privileges it makes sense to keep things
+	         * as simple (and bug-free) as possible.
+	         */
+	        return (getopt_internal(nargc, nargv, options, NULL, NULL, 0));
+	}
+	#endif /* REPLACE_GETOPT */
+	
+	/*
+	 * getopt_long --
+	 *      Parse argc/argv argument vector.
+	 */
+	int
+	getopt_long(int nargc, char * const *nargv, const char *options,
+	    const struct option *long_options, int *idx)
+	{
+	
+	        return (getopt_internal(nargc, nargv, options, long_options, idx,
+	            FLAG_PERMUTE));
+	}
+	
+	/*
+	 * getopt_long_only --
+	 *      Parse argc/argv argument vector.
+	 */
+	int
+	getopt_long_only(int nargc, char * const *nargv, const char *options,
+	    const struct option *long_options, int *idx)
+	{
+	
+	        return (getopt_internal(nargc, nargv, options, long_options, idx,
+	            FLAG_PERMUTE|FLAG_LONGONLY));
+	}
+	
+#endif // defined _MSC_VER || defined __MINGW32__
\ No newline at end of file