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root/radiance/ray/src/common/paths.h
Revision: 2.14
Committed: Thu Jun 26 00:58:09 2003 UTC (20 years, 10 months ago) by schorsch
Content type: text/plain
Branch: MAIN
Changes since 2.13: +70 -62 lines
Log Message:
Abstracted process and path handling for Windows.
Renamed FLOAT to RREAL because of conflict on Windows.
Added conditional compiles for some signal handlers.

File Contents

# User Rev Content
1 schorsch 2.14 /* RCSid $Id: paths.h,v 2.13 2003/06/08 12:01:52 schorsch Exp $ */
2 greg 2.1 /*
3     * Definitions for paths on different machines
4 greg 2.9 */
5 schorsch 2.12 #ifndef _RAD_PATHS_H_
6     #define _RAD_PATHS_H_
7     #ifdef __cplusplus
8     extern "C" {
9     #endif
10 greg 2.9
11 greg 2.10 #include "copyright.h"
12 greg 2.1
13 schorsch 2.13 #include <stdlib.h>
14     #include <string.h>
15     #ifdef _WIN32
16 schorsch 2.14 #include <io.h>
17 schorsch 2.13 #else /* _WIN32 */
18 schorsch 2.14 #include <unistd.h>
19     #include <sys/param.h>
20 schorsch 2.13 #endif /* _WIN32 */
21    
22 schorsch 2.11 #ifdef _WIN32
23 greg 2.1
24 schorsch 2.14 #define access _access
25     #define PATH_MAX _MAX_PATH
26     #define DIRSEP '/'
27     #define ISDIRSEP(c) ((c)=='/' || (c)=='\\')
28     #define ISABS(s) ((s)!=NULL \
29     && (s[0])!='\0' \
30     && ( ISDIRSEP(s[0]) \
31     || ( (s[1])!='\0' \
32     && (isupper(s[0])||islower(s[0])) \
33     && (s[1])==':')))
34     #define CASEDIRSEP case '/': case '\\'
35     #define PATHSEP ';'
36     #define CURDIR '.'
37     #define MAXPATH 512 /* XXX obsoleted by posix PATH_MAX */
38     #define DEFAULT_TEMPDIRS {"C:/TMP", "C:/TEMP", ".", NULL}
39     #define TEMPLATE "rtXXXXXX"
40     #define TEMPLEN 8
41     #define ULIBVAR "RAYPATH"
42     #ifndef DEFPATH
43     #define DEFPATH ";c:/ray/lib"
44     #endif
45     /* <io.h> only does half the work for access() */
46     #ifndef F_OK
47     #define F_OK 00
48     #define X_OK 01
49     #define W_OK 02
50     #define R_OK 04
51     #endif
52 greg 2.4 extern char *fixargv0();
53 greg 2.1
54 greg 2.3 #else
55 schorsch 2.14 #ifndef PATH_MAX /* doesn't implement posix? */
56     #define PATH_MAX 512 /* quite conservative (I think...) */
57     #endif
58    
59     #ifdef AMIGA
60    
61     #define DIRSEP '/'
62     #define ISABS(s) ((s)!=NULL && (ISDIRSEP(s[0])))
63     #define PATHSEP ';'
64     #define CURDIR '.'
65     #define MAXPATH 128
66     #define DEFAULT_TEMPDIRS {"/var/tmp", "/usr/tmp", "/tmp", ".", NULL}
67     #define TEMPLATE "/tmp/rtXXXXXX"
68     #define TEMPLEN 13
69     #define ULIBVAR "RAYPATH"
70     #ifndef DEFPATH
71     #define DEFPATH ";/ray/lib"
72     #endif
73     #define fixargv0(a0) (a0)
74    
75     #else
76    
77     #define DIRSEP '/'
78     #define ISABS(s) ((s)!=NULL && (ISDIRSEP(s[0])))
79     #define PATHSEP ':'
80     #define CURDIR '.'
81     #define MAXPATH 256
82     #define DEFAULT_TEMPDIRS {"/var/tmp", "/usr/tmp", "/tmp", ".", NULL}
83     #define TEMPLATE "/usr/tmp/rtXXXXXX"
84     #define TEMPLEN 17
85     #define ULIBVAR "RAYPATH"
86     #ifndef DEFPATH
87     #define DEFPATH ":/usr/local/lib/ray"
88     #endif
89     #define fixargv0(a0) (a0)
90 greg 2.1
91 schorsch 2.14 #endif
92 greg 2.2 #endif
93    
94     #ifndef ISDIRSEP
95 schorsch 2.14 #define ISDIRSEP(c) ((c)==DIRSEP)
96 greg 2.2 #endif
97     #ifndef CASEDIRSEP
98 schorsch 2.14 #define CASEDIRSEP case DIRSEP
99 greg 2.1 #endif
100    
101     extern char *mktemp(), *getenv();
102 greg 2.8
103     #ifdef BSD
104     extern char *getwd();
105     #else
106     extern char *getcwd();
107     #define getwd(p) getcwd(p, sizeof(p))
108     #endif
109 schorsch 2.13
110    
111     /* Find a writeable directory for temporary files */
112     /* If s is NULL, we return a static string */
113     extern char *temp_directory(char *s, size_t len);
114    
115     /* Compose a *currently* unique name within a temporary directory */
116     /* If s is NULL, we return a static string */
117     /* If templ is NULL, we take our default template */
118     /* WARNING: On Windows, there's a maximum of 27 unique names within
119     one process for the same template. */
120     extern char *temp_filename(char *s, size_t len, char *templ);
121    
122     /* Same as above, but also open the file and return the descriptor */
123     /* This one is supposed to protect against race conditions on unix */
124     /* WARNING: On Windows, there's no protection against race conditions */
125     extern int temp_file(char *s, size_t len, char *templ);
126    
127     /* Concatenate two strings, leaving exactly one DIRSEP in between */
128     extern char *append_filepath(char *s1, char *s2, size_t len);
129 schorsch 2.12
130    
131     #ifdef __cplusplus
132     }
133     #endif
134     #endif /* _RAD_PATHS_H_ */
135