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Diffstat (limited to 'libs/pbd/msvc/getopt.c')
-rw-r--r-- | libs/pbd/msvc/getopt.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/libs/pbd/msvc/getopt.c b/libs/pbd/msvc/getopt.c new file mode 100644 index 0000000000..2f539a59cf --- /dev/null +++ b/libs/pbd/msvc/getopt.c @@ -0,0 +1,118 @@ +/* + * 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. + */ + +#ifdef COMPILER_MSVC +#include "pbd/msvc_pbd.h" +#endif +#include "getopt.h" +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#define BADCH (int)'?' +#define BADARG (int)':' +#define EMSG "" + +__BEGIN_DECLS // Added by JE - 31-01-2010 +// All 'GETOPT_API' declarations added by JE - 31-01-2010 +GETOPT_API int opterr = 1; /* if error message should be printed */ +GETOPT_API int optind = 1; /* index into parent argv vector */ +GETOPT_API int optopt; /* character checked for validity */ +GETOPT_API int optreset; /* reset getopt */ +GETOPT_API char *optarg; /* argument associated with option */ + +/* + * getopt -- + * Parse argc/argv argument vector. + */ +int +getopt(int nargc, // Argument list ratified by JE - 03-01-2010 + char * const *nargv, + const char *ostr) +{ + 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 = (char*)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 != ':' && optopt != BADCH) + (void)fprintf(stderr, "%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(stderr, + "%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 */ +} +__END_DECLS // Added by JE - 31-01-2010 |