1 |
/* RCSid $Id: paths.h,v 2.16 2003/06/30 14:59:11 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 <stdio.h> |
12 |
#include <stdlib.h> |
13 |
#include <string.h> |
14 |
#include <fcntl.h> |
15 |
#include <sys/types.h> |
16 |
#include <sys/stat.h> |
17 |
|
18 |
#ifdef _WIN32 |
19 |
#include <io.h> |
20 |
|
21 |
#define access _access |
22 |
#define PATH_MAX _MAX_PATH |
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 |
extern char *fixargv0(); |
54 |
|
55 |
#else /* everything but Windows */ |
56 |
#include <unistd.h> |
57 |
#include <sys/param.h> |
58 |
|
59 |
#define RMAX_PATH_MAX 4096 /* our own maximum */ |
60 |
#ifndef PATH_MAX |
61 |
#define PATH_MAX 512 |
62 |
#elif PATH_MAX > RMAX_PATH_MAX /* the OS is exaggerating */ |
63 |
#undef PATH_MAX |
64 |
#define PATH_MAX RMAX_PATH_MAX |
65 |
#endif |
66 |
|
67 |
#ifdef AMIGA |
68 |
|
69 |
#define DIRSEP '/' |
70 |
#define ISABS(s) ((s)!=NULL && (ISDIRSEP(s[0]))) |
71 |
#define PATHSEP ';' |
72 |
#define CURDIR '.' |
73 |
#define DEFAULT_TEMPDIRS {"/var/tmp", "/usr/tmp", "/tmp", ".", NULL} |
74 |
#define TEMPLATE "/tmp/rtXXXXXX" |
75 |
#define TEMPLEN 13 |
76 |
#define ULIBVAR "RAYPATH" |
77 |
#ifndef DEFPATH |
78 |
#define DEFPATH ";/ray/lib" |
79 |
#endif |
80 |
#define fixargv0(a0) (a0) |
81 |
|
82 |
#else |
83 |
|
84 |
/* posix */ |
85 |
|
86 |
/* this is defined as _PATH_DEVNULL in /usr/include/paths.h on Linux */ |
87 |
#define NULL_DEVICE "/dev/null" |
88 |
#define DIRSEP '/' |
89 |
#define ISABS(s) ((s)!=NULL && (ISDIRSEP(s[0]))) |
90 |
#define PATHSEP ':' |
91 |
#define CURDIR '.' |
92 |
#define DEFAULT_TEMPDIRS {"/var/tmp", "/usr/tmp", "/tmp", ".", NULL} |
93 |
#define TEMPLATE "/usr/tmp/rtXXXXXX" |
94 |
#define TEMPLEN 17 |
95 |
#define ULIBVAR "RAYPATH" |
96 |
#ifndef DEFPATH |
97 |
#define DEFPATH ":/usr/local/lib/ray" |
98 |
#endif |
99 |
#define fixargv0(a0) (a0) |
100 |
|
101 |
#endif |
102 |
#endif |
103 |
|
104 |
#ifndef ISDIRSEP |
105 |
#define ISDIRSEP(c) ((c)==DIRSEP) |
106 |
#endif |
107 |
#ifndef CASEDIRSEP |
108 |
#define CASEDIRSEP case DIRSEP |
109 |
#endif |
110 |
|
111 |
|
112 |
/* Find a writeable directory for temporary files */ |
113 |
/* If s is NULL, we return a static string */ |
114 |
extern char *temp_directory(char *s, size_t len); |
115 |
|
116 |
/* Compose a *currently* unique name within a temporary directory */ |
117 |
/* If s is NULL, we return a static string */ |
118 |
/* If templ is NULL, we take our default template */ |
119 |
/* WARNING: On Windows, there's a maximum of 27 unique names within |
120 |
one process for the same template. */ |
121 |
extern char *temp_filename(char *s, size_t len, char *templ); |
122 |
|
123 |
/* Same as above, but also open the file and return the descriptor */ |
124 |
/* This one is supposed to protect against race conditions on unix */ |
125 |
/* WARNING: On Windows, there's no protection against race conditions */ |
126 |
extern int temp_fd(char *s, size_t len, char *templ); |
127 |
|
128 |
/* Same as above, but return a file pointer instead of a descriptor */ |
129 |
extern FILE *temp_fp(char *s, size_t len, char *templ); |
130 |
|
131 |
/* Concatenate two strings, leaving exactly one DIRSEP in between */ |
132 |
extern char *append_filepath(char *s1, char *s2, size_t len); |
133 |
|
134 |
|
135 |
#ifdef __cplusplus |
136 |
} |
137 |
#endif |
138 |
#endif /* _RAD_PATHS_H_ */ |
139 |
|