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/* RCSid $Id: paths.h,v 2.22 2005/09/19 11:30:10 schorsch Exp $ */
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/*
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* Definitions for paths on different machines
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*/
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#ifndef _RAD_PATHS_H_
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#define _RAD_PATHS_H_
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#ifdef _WIN32
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#include <io.h>
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#include <direct.h> /* getcwd(), chdir(), _mkdir(), etc. */
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#define access _access
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#define mkdir(dirname,perms) _mkdir(dirname)
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#define PATH_MAX _MAX_PATH
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#define NULL_DEVICE "NUL"
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#define DIRSEP '/'
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#define ISDIRSEP(c) ((c)=='/' || (c)=='\\')
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#define ISABS(s) ((s)!=NULL \
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&& (s[0])!='\0' \
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&& ( ISDIRSEP(s[0]) \
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|| ( (s[1])!='\0' \
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&& (isupper(s[0])||islower(s[0])) \
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&& (s[1])==':')))
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#define CASEDIRSEP case '/': case '\\'
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#define PATHSEP ';'
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#define CURDIR '.'
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#define DEFAULT_TEMPDIRS {"C:/TMP", "C:/TEMP", ".", NULL}
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#define TEMPLATE "rtXXXXXX"
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#define TEMPLEN 8
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#define ULIBVAR "RAYPATH"
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#ifndef DEFPATH
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#define DEFPATH ";c:/ray/lib"
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#endif
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/* <io.h> only does half the work for access() */
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#ifndef F_OK
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#define F_OK 00
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#define W_OK 02
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#endif
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#ifndef R_OK
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#define X_OK 01
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#define R_OK 04
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#endif
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/* to make the permissions user specific we'd need to use CreateFile() */
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#ifndef S_IRUSR
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#define S_IRUSR _S_IREAD
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#define S_IWUSR _S_IWRITE
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern char *fixargv0();
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#ifdef __cplusplus
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}
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#endif
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#else /* everything but Windows */
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#include <unistd.h>
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#include <sys/param.h>
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#define RMAX_PATH_MAX 4096 /* our own maximum */
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#ifndef PATH_MAX
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#define PATH_MAX 512
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#elif PATH_MAX > RMAX_PATH_MAX /* the OS is exaggerating */
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#undef PATH_MAX
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#define PATH_MAX RMAX_PATH_MAX
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#endif
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#ifdef AMIGA
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#define NULL_DEVICE "NIL:"
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#define DIRSEP '/'
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#define ISABS(s) ((s)!=NULL && (ISDIRSEP(s[0])))
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#define PATHSEP ';'
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#define CURDIR '.'
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#define DEFAULT_TEMPDIRS {"/var/tmp", "/usr/tmp", "/tmp", ".", NULL}
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#define TEMPLATE "/tmp/rtXXXXXX"
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#define TEMPLEN 13
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#define ULIBVAR "RAYPATH"
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#ifndef DEFPATH
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#define DEFPATH ";/ray/lib"
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#endif
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#define fixargv0(a0) (a0)
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#else
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/* posix */
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/* this is defined as _PATH_DEVNULL in /usr/include/paths.h on Linux */
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#define NULL_DEVICE "/dev/null"
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#define DIRSEP '/'
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#define ISABS(s) ((s)!=NULL && (ISDIRSEP(s[0])))
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#define PATHSEP ':'
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#define CURDIR '.'
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#define DEFAULT_TEMPDIRS {"/var/tmp", "/usr/tmp", "/tmp", ".", NULL}
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#define TEMPLATE "/tmp/rtXXXXXX"
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#define TEMPLEN 17
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#define ULIBVAR "RAYPATH"
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#ifndef DEFPATH
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#define DEFPATH ":/usr/local/lib/ray"
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#endif
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#define fixargv0(a0) (a0)
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#endif
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#endif
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#ifndef ISDIRSEP
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#define ISDIRSEP(c) ((c)==DIRSEP)
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#endif
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#ifndef CASEDIRSEP
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#define CASEDIRSEP case DIRSEP
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Find a writeable directory for temporary files */
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/* If s is NULL, we return a static string */
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extern char *temp_directory(char *s, size_t len);
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/* Compose a *currently* unique name within a temporary directory */
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/* If s is NULL, we return a static string */
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/* If templ is NULL, we take our default template */
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/* WARNING: On Windows, there's a maximum of 27 unique names within
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one process for the same template. */
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extern char *temp_filename(char *s, size_t len, char *templ);
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/* Same as above, but also open the file and return the descriptor */
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/* This one is supposed to protect against race conditions on unix */
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/* WARNING: On Windows, there's no protection against race conditions */
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extern int temp_fd(char *s, size_t len, char *templ);
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/* Same as above, but return a file pointer instead of a descriptor */
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extern FILE *temp_fp(char *s, size_t len, char *templ);
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/* Concatenate two strings, leaving exactly one DIRSEP in between */
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extern char *append_filepath(char *s1, char *s2, size_t len);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _RAD_PATHS_H_ */
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