/* * Copyright (C) 2004-2007, 2009 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2001 Internet Software Consortium. * * Permission to use, copy, modify, and/or 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 ISC DISCLAIMS ALL WARRANTIES WITH * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS. IN NO EVENT SHALL ISC 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. */ /* * 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. */ /* $Id: gen-win32.h,v 1.25 2009/01/17 23:47:42 tbox Exp $ */ /*! \file * \author Principal Authors: Computer Systems Research Group at UC Berkeley * \author Principal ISC caretaker: DCL */ /* * \note This file was adapted from the NetBSD project's source tree, RCS ID: * NetBSD: getopt.c,v 1.15 1999/09/20 04:39:37 lukem Exp * * The primary change has been to rename items to the ISC namespace * and format in the ISC coding style. * * This file is responsible for defining two operations that are not * directly portable between Unix-like systems and Windows NT, option * parsing and directory scanning. It is here because it was decided * that the "gen" build utility was not to depend on libisc.a, so * the functions declared in isc/commandline.h and isc/dir.h could not * be used. * * The commandline stuff is pretty much a straight copy from the initial * isc/commandline.c. The dir stuff was shrunk to fit the needs of gen.c. */ #ifndef DNS_GEN_WIN32_H #define DNS_GEN_WIN32_H 1 #include <stdio.h> #include <string.h> #include <windows.h> #include <isc/boolean.h> #include <isc/lang.h> int isc_commandline_index = 1; /* Index into parent argv vector. */ int isc_commandline_option; /* Character checked for validity. */ char *isc_commandline_argument; /* Argument associated with option. */ char *isc_commandline_progname; /* For printing error messages. */ isc_boolean_t isc_commandline_errprint = ISC_TRUE; /* Print error messages. */ isc_boolean_t isc_commandline_reset = ISC_TRUE; /* Reset processing. */ #define BADOPT '?' #define BADARG ':' #define ENDOPT "" ISC_LANG_BEGINDECLS /* * getopt -- * Parse argc/argv argument vector. */ int isc_commandline_parse(int argc, char * const *argv, const char *options) { static char *place = ENDOPT; char *option; /* Index into *options of option. */ /* * Update scanning pointer, either because a reset was requested or * the previous argv was finished. */ if (isc_commandline_reset || *place == '\0') { isc_commandline_reset = ISC_FALSE; if (isc_commandline_progname == NULL) isc_commandline_progname = argv[0]; if (isc_commandline_index >= argc || *(place = argv[isc_commandline_index]) != '-') { /* * Index out of range or points to non-option. */ place = ENDOPT; return (-1); } if (place[1] != '\0' && *++place == '-' && place[1] == '\0') { /* * Found '--' to signal end of options. Advance * index to next argv, the first non-option. */ isc_commandline_index++; place = ENDOPT; return (-1); } } isc_commandline_option = *place++; option = strchr(options, isc_commandline_option); /* * Ensure valid option has been passed as specified by options string. * '-:' is never a valid command line option because it could not * distinguish ':' from the argument specifier in the options string. */ if (isc_commandline_option == ':' || option == NULL) { if (*place == '\0') isc_commandline_index++; if (isc_commandline_errprint && *options != ':') fprintf(stderr, "%s: illegal option -- %c\n", isc_commandline_progname, isc_commandline_option); return (BADOPT); } if (*++option != ':') { /* * Option does not take an argument. */ isc_commandline_argument = NULL; /* * Skip to next argv if at the end of the current argv. */ if (*place == '\0') ++isc_commandline_index; } else { /* * Option needs an argument. */ if (*place != '\0') /* * Option is in this argv, -D1 style. */ isc_commandline_argument = place; else if (argc > ++isc_commandline_index) /* * Option is next argv, -D 1 style. */ isc_commandline_argument = argv[isc_commandline_index]; else { /* * Argument needed, but no more argv. */ place = ENDOPT; /* * Silent failure with "missing argument" return * when ':' starts options string, per historical spec. */ if (*options == ':') return (BADARG); if (isc_commandline_errprint) fprintf(stderr, "%s: option requires an argument -- %c\n", isc_commandline_progname, isc_commandline_option); return (BADOPT); } place = ENDOPT; /* * Point to argv that follows argument. */ isc_commandline_index++; } return (isc_commandline_option); } typedef struct { HANDLE handle; WIN32_FIND_DATA find_data; isc_boolean_t first_file; char *filename; } isc_dir_t; isc_boolean_t start_directory(const char *path, isc_dir_t *dir) { char pattern[_MAX_PATH], *p; /* * Need space for slash-splat and final NUL. */ if (strlen(path) + 3 > sizeof(pattern)) return (ISC_FALSE); strcpy(pattern, path); /* * Append slash (if needed) and splat. */ p = pattern + strlen(pattern); if (p != pattern && p[-1] != '\\' && p[-1] != ':') *p++ = '\\'; *p++ = '*'; *p++ = '\0'; dir->first_file = ISC_TRUE; dir->handle = FindFirstFile(pattern, &dir->find_data); if (dir->handle == INVALID_HANDLE_VALUE) { dir->filename = NULL; return (ISC_FALSE); } else { dir->filename = dir->find_data.cFileName; return (ISC_TRUE); } } isc_boolean_t next_file(isc_dir_t *dir) { if (dir->first_file) dir->first_file = ISC_FALSE; else if (dir->handle != INVALID_HANDLE_VALUE) { if (FindNextFile(dir->handle, &dir->find_data) == TRUE) dir->filename = dir->find_data.cFileName; else dir->filename = NULL; } else dir->filename = NULL; if (dir->filename != NULL) return (ISC_TRUE); else return (ISC_FALSE); } void end_directory(isc_dir_t *dir) { if (dir->handle != INVALID_HANDLE_VALUE) FindClose(dir->handle); } ISC_LANG_ENDDECLS #endif /* DNS_GEN_WIN32_H */