| 1 |
/* RCSid $Id: paths.h,v 2.22 2005/09/19 11:30:10 schorsch Exp $ */ |
| 2 |
/* |
| 3 |
* Definitions for paths on different machines |
| 4 |
*/ |
| 5 |
#ifndef _RAD_PATHS_H_ |
| 6 |
#define _RAD_PATHS_H_ |
| 7 |
|
| 8 |
#include <stdio.h> |
| 9 |
#include <stdlib.h> |
| 10 |
#include <string.h> |
| 11 |
#include <fcntl.h> |
| 12 |
#include <sys/types.h> |
| 13 |
#include <sys/stat.h> |
| 14 |
|
| 15 |
#ifdef _WIN32 |
| 16 |
#include <io.h> |
| 17 |
#include <direct.h> /* getcwd(), chdir(), _mkdir(), etc. */ |
| 18 |
|
| 19 |
#define access _access |
| 20 |
#define mkdir(dirname,perms) _mkdir(dirname) |
| 21 |
#define PATH_MAX _MAX_PATH |
| 22 |
#define NULL_DEVICE "NUL" |
| 23 |
#define DIRSEP '/' |
| 24 |
#define ISDIRSEP(c) ((c)=='/' || (c)=='\\') |
| 25 |
#define ISABS(s) ((s)!=NULL \ |
| 26 |
&& (s[0])!='\0' \ |
| 27 |
&& ( ISDIRSEP(s[0]) \ |
| 28 |
|| ( (s[1])!='\0' \ |
| 29 |
&& (isupper(s[0])||islower(s[0])) \ |
| 30 |
&& (s[1])==':'))) |
| 31 |
#define CASEDIRSEP case '/': case '\\' |
| 32 |
#define PATHSEP ';' |
| 33 |
#define CURDIR '.' |
| 34 |
#define DEFAULT_TEMPDIRS {"C:/TMP", "C:/TEMP", ".", NULL} |
| 35 |
#define TEMPLATE "rtXXXXXX" |
| 36 |
#define TEMPLEN 8 |
| 37 |
#define ULIBVAR "RAYPATH" |
| 38 |
#ifndef DEFPATH |
| 39 |
#define DEFPATH ";c:/ray/lib" |
| 40 |
#endif |
| 41 |
/* <io.h> only does half the work for access() */ |
| 42 |
#ifndef F_OK |
| 43 |
#define F_OK 00 |
| 44 |
#define W_OK 02 |
| 45 |
#endif |
| 46 |
#ifndef R_OK |
| 47 |
#define X_OK 01 |
| 48 |
#define R_OK 04 |
| 49 |
#endif |
| 50 |
/* to make the permissions user specific we'd need to use CreateFile() */ |
| 51 |
#ifndef S_IRUSR |
| 52 |
#define S_IRUSR _S_IREAD |
| 53 |
#define S_IWUSR _S_IWRITE |
| 54 |
#endif |
| 55 |
|
| 56 |
#ifdef __cplusplus |
| 57 |
extern "C" { |
| 58 |
#endif |
| 59 |
extern char *fixargv0(); |
| 60 |
#ifdef __cplusplus |
| 61 |
} |
| 62 |
#endif |
| 63 |
|
| 64 |
#else /* everything but Windows */ |
| 65 |
#include <unistd.h> |
| 66 |
#include <sys/param.h> |
| 67 |
|
| 68 |
#define RMAX_PATH_MAX 4096 /* our own maximum */ |
| 69 |
#ifndef PATH_MAX |
| 70 |
#define PATH_MAX 512 |
| 71 |
#elif PATH_MAX > RMAX_PATH_MAX /* the OS is exaggerating */ |
| 72 |
#undef PATH_MAX |
| 73 |
#define PATH_MAX RMAX_PATH_MAX |
| 74 |
#endif |
| 75 |
|
| 76 |
#ifdef AMIGA |
| 77 |
|
| 78 |
#define NULL_DEVICE "NIL:" |
| 79 |
#define DIRSEP '/' |
| 80 |
#define ISABS(s) ((s)!=NULL && (ISDIRSEP(s[0]))) |
| 81 |
#define PATHSEP ';' |
| 82 |
#define CURDIR '.' |
| 83 |
#define DEFAULT_TEMPDIRS {"/var/tmp", "/usr/tmp", "/tmp", ".", NULL} |
| 84 |
#define TEMPLATE "/tmp/rtXXXXXX" |
| 85 |
#define TEMPLEN 13 |
| 86 |
#define ULIBVAR "RAYPATH" |
| 87 |
#ifndef DEFPATH |
| 88 |
#define DEFPATH ";/ray/lib" |
| 89 |
#endif |
| 90 |
#define fixargv0(a0) (a0) |
| 91 |
|
| 92 |
#else |
| 93 |
|
| 94 |
/* posix */ |
| 95 |
|
| 96 |
/* this is defined as _PATH_DEVNULL in /usr/include/paths.h on Linux */ |
| 97 |
#define NULL_DEVICE "/dev/null" |
| 98 |
#define DIRSEP '/' |
| 99 |
#define ISABS(s) ((s)!=NULL && (ISDIRSEP(s[0]))) |
| 100 |
#define PATHSEP ':' |
| 101 |
#define CURDIR '.' |
| 102 |
#define DEFAULT_TEMPDIRS {"/var/tmp", "/usr/tmp", "/tmp", ".", NULL} |
| 103 |
#define TEMPLATE "/tmp/rtXXXXXX" |
| 104 |
#define TEMPLEN 17 |
| 105 |
#define ULIBVAR "RAYPATH" |
| 106 |
#ifndef DEFPATH |
| 107 |
#define DEFPATH ":/usr/local/lib/ray" |
| 108 |
#endif |
| 109 |
#define fixargv0(a0) (a0) |
| 110 |
|
| 111 |
#endif |
| 112 |
#endif |
| 113 |
|
| 114 |
#ifndef ISDIRSEP |
| 115 |
#define ISDIRSEP(c) ((c)==DIRSEP) |
| 116 |
#endif |
| 117 |
#ifndef CASEDIRSEP |
| 118 |
#define CASEDIRSEP case DIRSEP |
| 119 |
#endif |
| 120 |
|
| 121 |
#ifdef __cplusplus |
| 122 |
extern "C" { |
| 123 |
#endif |
| 124 |
|
| 125 |
/* Find a writeable directory for temporary files */ |
| 126 |
/* If s is NULL, we return a static string */ |
| 127 |
extern char *temp_directory(char *s, size_t len); |
| 128 |
|
| 129 |
/* Compose a *currently* unique name within a temporary directory */ |
| 130 |
/* If s is NULL, we return a static string */ |
| 131 |
/* If templ is NULL, we take our default template */ |
| 132 |
/* WARNING: On Windows, there's a maximum of 27 unique names within |
| 133 |
one process for the same template. */ |
| 134 |
extern char *temp_filename(char *s, size_t len, char *templ); |
| 135 |
|
| 136 |
/* Same as above, but also open the file and return the descriptor */ |
| 137 |
/* This one is supposed to protect against race conditions on unix */ |
| 138 |
/* WARNING: On Windows, there's no protection against race conditions */ |
| 139 |
extern int temp_fd(char *s, size_t len, char *templ); |
| 140 |
|
| 141 |
/* Same as above, but return a file pointer instead of a descriptor */ |
| 142 |
extern FILE *temp_fp(char *s, size_t len, char *templ); |
| 143 |
|
| 144 |
/* Concatenate two strings, leaving exactly one DIRSEP in between */ |
| 145 |
extern char *append_filepath(char *s1, char *s2, size_t len); |
| 146 |
|
| 147 |
|
| 148 |
#ifdef __cplusplus |
| 149 |
} |
| 150 |
#endif |
| 151 |
#endif /* _RAD_PATHS_H_ */ |
| 152 |
|
