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root/radiance/ray/src/common/paths.h
Revision: 2.15
Committed: Fri Jun 27 06:53:21 2003 UTC (20 years, 10 months ago) by greg
Content type: text/plain
Branch: MAIN
Changes since 2.14: +1 -3 lines
Log Message:
Broke standard.h into rtio.h, rterror.h, rtmath.h, and rtmisc.h

File Contents

# Content
1 /* RCSid $Id: paths.h,v 2.14 2003/06/26 00:58:09 schorsch Exp $ */
2 /*
3 * Definitions for paths on different machines
4 */
5 #ifndef _RAD_PATHS_H_
6 #define _RAD_PATHS_H_
7 #ifdef __cplusplus
8 extern "C" {
9 #endif
10
11 #include <stdlib.h>
12 #include <string.h>
13 #ifdef _WIN32
14 #include <io.h>
15 #else /* _WIN32 */
16 #include <unistd.h>
17 #include <sys/param.h>
18 #endif /* _WIN32 */
19
20 #ifdef _WIN32
21
22 #define access _access
23 #define PATH_MAX _MAX_PATH
24 #define DIRSEP '/'
25 #define ISDIRSEP(c) ((c)=='/' || (c)=='\\')
26 #define ISABS(s) ((s)!=NULL \
27 && (s[0])!='\0' \
28 && ( ISDIRSEP(s[0]) \
29 || ( (s[1])!='\0' \
30 && (isupper(s[0])||islower(s[0])) \
31 && (s[1])==':')))
32 #define CASEDIRSEP case '/': case '\\'
33 #define PATHSEP ';'
34 #define CURDIR '.'
35 #define MAXPATH 512 /* XXX obsoleted by posix PATH_MAX */
36 #define DEFAULT_TEMPDIRS {"C:/TMP", "C:/TEMP", ".", NULL}
37 #define TEMPLATE "rtXXXXXX"
38 #define TEMPLEN 8
39 #define ULIBVAR "RAYPATH"
40 #ifndef DEFPATH
41 #define DEFPATH ";c:/ray/lib"
42 #endif
43 /* <io.h> only does half the work for access() */
44 #ifndef F_OK
45 #define F_OK 00
46 #define X_OK 01
47 #define W_OK 02
48 #define R_OK 04
49 #endif
50 extern char *fixargv0();
51
52 #else
53 #ifndef PATH_MAX /* doesn't implement posix? */
54 #define PATH_MAX 512 /* quite conservative (I think...) */
55 #endif
56
57 #ifdef AMIGA
58
59 #define DIRSEP '/'
60 #define ISABS(s) ((s)!=NULL && (ISDIRSEP(s[0])))
61 #define PATHSEP ';'
62 #define CURDIR '.'
63 #define MAXPATH 128
64 #define DEFAULT_TEMPDIRS {"/var/tmp", "/usr/tmp", "/tmp", ".", NULL}
65 #define TEMPLATE "/tmp/rtXXXXXX"
66 #define TEMPLEN 13
67 #define ULIBVAR "RAYPATH"
68 #ifndef DEFPATH
69 #define DEFPATH ";/ray/lib"
70 #endif
71 #define fixargv0(a0) (a0)
72
73 #else
74
75 #define DIRSEP '/'
76 #define ISABS(s) ((s)!=NULL && (ISDIRSEP(s[0])))
77 #define PATHSEP ':'
78 #define CURDIR '.'
79 #define MAXPATH 256
80 #define DEFAULT_TEMPDIRS {"/var/tmp", "/usr/tmp", "/tmp", ".", NULL}
81 #define TEMPLATE "/usr/tmp/rtXXXXXX"
82 #define TEMPLEN 17
83 #define ULIBVAR "RAYPATH"
84 #ifndef DEFPATH
85 #define DEFPATH ":/usr/local/lib/ray"
86 #endif
87 #define fixargv0(a0) (a0)
88
89 #endif
90 #endif
91
92 #ifndef ISDIRSEP
93 #define ISDIRSEP(c) ((c)==DIRSEP)
94 #endif
95 #ifndef CASEDIRSEP
96 #define CASEDIRSEP case DIRSEP
97 #endif
98
99 extern char *mktemp(), *getenv();
100
101 #ifdef BSD
102 extern char *getwd();
103 #else
104 extern char *getcwd();
105 #define getwd(p) getcwd(p, sizeof(p))
106 #endif
107
108
109 /* Find a writeable directory for temporary files */
110 /* If s is NULL, we return a static string */
111 extern char *temp_directory(char *s, size_t len);
112
113 /* Compose a *currently* unique name within a temporary directory */
114 /* If s is NULL, we return a static string */
115 /* If templ is NULL, we take our default template */
116 /* WARNING: On Windows, there's a maximum of 27 unique names within
117 one process for the same template. */
118 extern char *temp_filename(char *s, size_t len, char *templ);
119
120 /* Same as above, but also open the file and return the descriptor */
121 /* This one is supposed to protect against race conditions on unix */
122 /* WARNING: On Windows, there's no protection against race conditions */
123 extern int temp_file(char *s, size_t len, char *templ);
124
125 /* Concatenate two strings, leaving exactly one DIRSEP in between */
126 extern char *append_filepath(char *s1, char *s2, size_t len);
127
128
129 #ifdef __cplusplus
130 }
131 #endif
132 #endif /* _RAD_PATHS_H_ */
133