--- ray/src/common/paths.h 2003/02/22 02:07:22 2.9 +++ ray/src/common/paths.h 2005/09/19 11:30:10 2.22 @@ -1,122 +1,150 @@ -/* RCSid: $Id: paths.h,v 2.9 2003/02/22 02:07:22 greg Exp $ */ +/* RCSid $Id: paths.h,v 2.22 2005/09/19 11:30:10 schorsch Exp $ */ /* * Definitions for paths on different machines */ +#ifndef _RAD_PATHS_H_ +#define _RAD_PATHS_H_ -/* ==================================================================== - * The Radiance Software License, Version 1.0 - * - * Copyright (c) 1990 - 2002 The Regents of the University of California, - * through Lawrence Berkeley National Laboratory. 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. The end-user documentation included with the redistribution, - * if any, must include the following acknowledgment: - * "This product includes Radiance software - * (http://radsite.lbl.gov/) - * developed by the Lawrence Berkeley National Laboratory - * (http://www.lbl.gov/)." - * Alternately, this acknowledgment may appear in the software itself, - * if and wherever such third-party acknowledgments normally appear. - * - * 4. The names "Radiance," "Lawrence Berkeley National Laboratory" - * and "The Regents of the University of California" must - * not be used to endorse or promote products derived from this - * software without prior written permission. For written - * permission, please contact radiance@radsite.lbl.gov. - * - * 5. Products derived from this software may not be called "Radiance", - * nor may "Radiance" appear in their name, without prior written - * permission of Lawrence Berkeley National Laboratory. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 Lawrence Berkeley National Laboratory OR - * ITS 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. - * ==================================================================== - * - * This software consists of voluntary contributions made by many - * individuals on behalf of Lawrence Berkeley National Laboratory. For more - * information on Lawrence Berkeley National Laboratory, please see - * . - */ +#include +#include +#include +#include +#include +#include -#ifdef MSDOS +#ifdef _WIN32 + #include + #include /* getcwd(), chdir(), _mkdir(), etc. */ -#define DIRSEP '/' -#define ISDIRSEP(c) ((c)=='/' || (c)=='\\') -#define CASEDIRSEP case '/': case '\\' -#define PATHSEP ';' -#define MAXPATH 128 -#define TEMPLATE "rtXXXXXX" -#define TEMPLEN 8 -#define ULIBVAR "RAYPATH" -#ifndef DEFPATH -#define DEFPATH ";c:/ray/lib" -#endif -extern char *fixargv0(); + #define access _access + #define mkdir(dirname,perms) _mkdir(dirname) + #define PATH_MAX _MAX_PATH + #define NULL_DEVICE "NUL" + #define DIRSEP '/' + #define ISDIRSEP(c) ((c)=='/' || (c)=='\\') + #define ISABS(s) ((s)!=NULL \ + && (s[0])!='\0' \ + && ( ISDIRSEP(s[0]) \ + || ( (s[1])!='\0' \ + && (isupper(s[0])||islower(s[0])) \ + && (s[1])==':'))) + #define CASEDIRSEP case '/': case '\\' + #define PATHSEP ';' + #define CURDIR '.' + #define DEFAULT_TEMPDIRS {"C:/TMP", "C:/TEMP", ".", NULL} + #define TEMPLATE "rtXXXXXX" + #define TEMPLEN 8 + #define ULIBVAR "RAYPATH" + #ifndef DEFPATH + #define DEFPATH ";c:/ray/lib" + #endif + /* only does half the work for access() */ + #ifndef F_OK + #define F_OK 00 + #define X_OK 01 + #define W_OK 02 + #define R_OK 04 + #endif + /* to make the permissions user specific we'd need to use CreateFile() */ + #ifndef S_IRUSR + #define S_IRUSR _S_IREAD + #define S_IWUSR _S_IWRITE + #endif -#else -#ifdef AMIGA + #ifdef __cplusplus + extern "C" { + #endif + extern char *fixargv0(); + #ifdef __cplusplus + } + #endif -#define DIRSEP '/' -#define PATHSEP ';' -#define MAXPATH 128 -#define TEMPLATE "/tmp/rtXXXXXX" -#define TEMPLEN 13 -#define ULIBVAR "RAYPATH" -#ifndef DEFPATH -#define DEFPATH ";/ray/lib" -#endif -#define fixargv0(a0) (a0) +#else /* everything but Windows */ + #include + #include -#else + #define RMAX_PATH_MAX 4096 /* our own maximum */ + #ifndef PATH_MAX + #define PATH_MAX 512 + #elif PATH_MAX > RMAX_PATH_MAX /* the OS is exaggerating */ + #undef PATH_MAX + #define PATH_MAX RMAX_PATH_MAX + #endif -#define DIRSEP '/' -#define PATHSEP ':' -#define MAXPATH 256 -#define TEMPLATE "/usr/tmp/rtXXXXXX" -#define TEMPLEN 17 -#define ULIBVAR "RAYPATH" -#ifndef DEFPATH -#define DEFPATH ":/usr/local/lib/ray" -#endif -#define fixargv0(a0) (a0) + #ifdef AMIGA + #define NULL_DEVICE "NIL:" + #define DIRSEP '/' + #define ISABS(s) ((s)!=NULL && (ISDIRSEP(s[0]))) + #define PATHSEP ';' + #define CURDIR '.' + #define DEFAULT_TEMPDIRS {"/var/tmp", "/usr/tmp", "/tmp", ".", NULL} + #define TEMPLATE "/tmp/rtXXXXXX" + #define TEMPLEN 13 + #define ULIBVAR "RAYPATH" + #ifndef DEFPATH + #define DEFPATH ";/ray/lib" + #endif + #define fixargv0(a0) (a0) + + #else + + /* posix */ + + /* this is defined as _PATH_DEVNULL in /usr/include/paths.h on Linux */ + #define NULL_DEVICE "/dev/null" + #define DIRSEP '/' + #define ISABS(s) ((s)!=NULL && (ISDIRSEP(s[0]))) + #define PATHSEP ':' + #define CURDIR '.' + #define DEFAULT_TEMPDIRS {"/var/tmp", "/usr/tmp", "/tmp", ".", NULL} + #define TEMPLATE "/tmp/rtXXXXXX" + #define TEMPLEN 17 + #define ULIBVAR "RAYPATH" + #ifndef DEFPATH + #define DEFPATH ":/usr/local/lib/ray" + #endif + #define fixargv0(a0) (a0) + + #endif #endif -#endif #ifndef ISDIRSEP -#define ISDIRSEP(c) ((c)==DIRSEP) + #define ISDIRSEP(c) ((c)==DIRSEP) #endif #ifndef CASEDIRSEP -#define CASEDIRSEP case DIRSEP + #define CASEDIRSEP case DIRSEP #endif -extern char *mktemp(), *getenv(); +#ifdef __cplusplus +extern "C" { +#endif -#ifdef BSD -extern char *getwd(); -#else -extern char *getcwd(); -#define getwd(p) getcwd(p, sizeof(p)) +/* Find a writeable directory for temporary files */ +/* If s is NULL, we return a static string */ +extern char *temp_directory(char *s, size_t len); + +/* Compose a *currently* unique name within a temporary directory */ +/* If s is NULL, we return a static string */ +/* If templ is NULL, we take our default template */ +/* WARNING: On Windows, there's a maximum of 27 unique names within + one process for the same template. */ +extern char *temp_filename(char *s, size_t len, char *templ); + +/* Same as above, but also open the file and return the descriptor */ +/* This one is supposed to protect against race conditions on unix */ +/* WARNING: On Windows, there's no protection against race conditions */ +extern int temp_fd(char *s, size_t len, char *templ); + +/* Same as above, but return a file pointer instead of a descriptor */ +extern FILE *temp_fp(char *s, size_t len, char *templ); + +/* Concatenate two strings, leaving exactly one DIRSEP in between */ +extern char *append_filepath(char *s1, char *s2, size_t len); + + +#ifdef __cplusplus +} #endif +#endif /* _RAD_PATHS_H_ */ +