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root/radiance/ray/src/common/paths.h
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Comparing ray/src/common/paths.h (file contents):
Revision 2.1 by greg, Tue Sep 8 09:08:02 1992 UTC vs.
Revision 2.22 by schorsch, Mon Sep 19 11:30:10 2005 UTC

# Line 1 | Line 1
1 < /* Copyright (c) 1992 Regents of the University of California */
2 <
3 < /* SCCSid "$SunId$ LBL" */
4 <
1 > /* RCSid $Id$ */
2   /*
3   * Definitions for paths on different machines
4   */
5 + #ifndef _RAD_PATHS_H_
6 + #define _RAD_PATHS_H_
7  
8 < #ifdef NIX
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 MSDOS
15 > #ifdef _WIN32
16 >  #include <io.h>
17 >  #include <direct.h> /* getcwd(), chdir(), _mkdir(), etc. */
18  
19 < #define DIRSEP          '\\'
20 < #define PATHSEP         ';'
21 < #define TEMPLATE        "c:\\tmp\\rtXXXXXX"
22 < #define TEMPLEN         15
23 < #define ULIBVAR         "RAYPATH"
24 < #ifndef DEFPATH
25 < #define DEFPATH         ";\\ray\\lib"
26 < #endif
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  X_OK 01
45 >    #define  W_OK 02
46 >    #define  R_OK 04
47 >  #endif
48 >  /* to make the permissions user specific we'd need to use CreateFile() */
49 >  #ifndef S_IRUSR
50 >    #define S_IRUSR _S_IREAD
51 >    #define S_IWUSR _S_IWRITE
52 >  #endif
53  
54 +  #ifdef __cplusplus
55 +    extern "C" {
56 +  #endif
57 +  extern char  *fixargv0();
58 +  #ifdef __cplusplus
59 +    }
60 +  #endif
61 +
62 + #else /* everything but Windows */
63 +  #include <unistd.h>
64 +  #include <sys/param.h>
65 +
66 +  #define RMAX_PATH_MAX 4096 /* our own maximum */
67 +  #ifndef PATH_MAX
68 +    #define PATH_MAX 512
69 +  #elif PATH_MAX > RMAX_PATH_MAX /* the OS is exaggerating */
70 +    #undef PATH_MAX
71 +    #define PATH_MAX RMAX_PATH_MAX
72 +  #endif
73 +
74 +  #ifdef AMIGA
75 +
76 +        #define NULL_DEVICE     "NIL:"
77 +    #define DIRSEP              '/'
78 +    #define ISABS(s) ((s)!=NULL && (ISDIRSEP(s[0])))
79 +    #define PATHSEP             ';'
80 +        #define CURDIR          '.'
81 +    #define DEFAULT_TEMPDIRS {"/var/tmp", "/usr/tmp", "/tmp", ".", NULL}
82 +    #define TEMPLATE    "/tmp/rtXXXXXX"
83 +    #define TEMPLEN             13
84 +    #define ULIBVAR             "RAYPATH"
85 +    #ifndef DEFPATH
86 +      #define DEFPATH           ";/ray/lib"
87 +    #endif
88 +    #define      fixargv0(a0)   (a0)
89 +
90 +  #else
91 +
92 +    /* posix */
93 +
94 +        /* this is defined as _PATH_DEVNULL in /usr/include/paths.h on Linux */
95 +        #define NULL_DEVICE     "/dev/null"
96 +    #define DIRSEP              '/'
97 +    #define ISABS(s) ((s)!=NULL && (ISDIRSEP(s[0])))
98 +    #define PATHSEP             ':'
99 +        #define CURDIR          '.'
100 +    #define DEFAULT_TEMPDIRS {"/var/tmp", "/usr/tmp", "/tmp", ".", NULL}
101 +    #define TEMPLATE    "/tmp/rtXXXXXX"
102 +    #define TEMPLEN             17
103 +    #define ULIBVAR             "RAYPATH"
104 +    #ifndef DEFPATH
105 +      #define DEFPATH           ":/usr/local/lib/ray"
106 +    #endif
107 +    #define      fixargv0(a0)   (a0)
108 +
109 +  #endif
110   #endif
23 – #ifdef AMIGA
111  
112 < #define DIRSEP          '/'
113 < #define PATHSEP         ';'
27 < #define TEMPLATE        "/tmp/rtXXXXXX"
28 < #define TEMPLEN         13
29 < #define ULIBVAR         "RAYPATH"
30 < #ifndef DEFPATH
31 < #define DEFPATH         ";/ray/lib"
112 > #ifndef ISDIRSEP
113 >  #define ISDIRSEP(c)   ((c)==DIRSEP)
114   #endif
115 + #ifndef CASEDIRSEP
116 +  #define CASEDIRSEP    case DIRSEP
117 + #endif
118  
119 + #ifdef __cplusplus
120 + extern "C" {
121   #endif
122  
123 < #else
123 > /* Find a writeable directory for temporary files */
124 > /* If s is NULL, we return a static string */
125 > extern char *temp_directory(char *s, size_t len);
126  
127 < #define DIRSEP          '/'
128 < #define PATHSEP         ':'
129 < #define TEMPLATE        "/tmp/rtXXXXXX"
130 < #define TEMPLEN         13
131 < #define ULIBVAR         "RAYPATH"
132 < #ifndef DEFPATH
44 < #define DEFPATH         ":/usr/local/lib/ray"
45 < #endif
127 > /* Compose a *currently* unique name within a temporary directory */
128 > /* If s is NULL, we return a static string */
129 > /* If templ is NULL, we take our default template */
130 > /* WARNING: On Windows, there's a maximum of 27 unique names within
131 >            one process for the same template. */
132 > extern char *temp_filename(char *s, size_t len, char *templ);
133  
134 + /* Same as above, but also open the file and return the descriptor */
135 + /* This one is supposed to protect against race conditions on unix */
136 + /* WARNING: On Windows, there's no protection against race conditions */
137 + extern int temp_fd(char *s, size_t len, char *templ);
138 +
139 + /* Same as above, but return a file pointer instead of a descriptor */
140 + extern FILE *temp_fp(char *s, size_t len, char *templ);
141 +
142 + /* Concatenate two strings, leaving exactly one DIRSEP in between */
143 + extern char *append_filepath(char *s1, char *s2, size_t len);
144 +
145 +
146 + #ifdef __cplusplus
147 + }
148   #endif
149 + #endif /* _RAD_PATHS_H_ */
150  
49 – extern char  *mktemp(), *getenv();

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