1 |
/* RCSid $Id: paths.h,v 2.15 2003/06/27 06:53:21 greg 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 |
|
15 |
#ifdef _WIN32 |
16 |
#include <io.h> |
17 |
|
18 |
#define access _access |
19 |
#define PATH_MAX _MAX_PATH |
20 |
#define DIRSEP '/' |
21 |
#define ISDIRSEP(c) ((c)=='/' || (c)=='\\') |
22 |
#define ISABS(s) ((s)!=NULL \ |
23 |
&& (s[0])!='\0' \ |
24 |
&& ( ISDIRSEP(s[0]) \ |
25 |
|| ( (s[1])!='\0' \ |
26 |
&& (isupper(s[0])||islower(s[0])) \ |
27 |
&& (s[1])==':'))) |
28 |
#define CASEDIRSEP case '/': case '\\' |
29 |
#define PATHSEP ';' |
30 |
#define CURDIR '.' |
31 |
/*#define MAXPATH 512*/ /* obsoleted by posix PATH_MAX */ |
32 |
#define DEFAULT_TEMPDIRS {"C:/TMP", "C:/TEMP", ".", NULL} |
33 |
#define TEMPLATE "rtXXXXXX" |
34 |
#define TEMPLEN 8 |
35 |
#define ULIBVAR "RAYPATH" |
36 |
#ifndef DEFPATH |
37 |
#define DEFPATH ";c:/ray/lib" |
38 |
#endif |
39 |
/* <io.h> only does half the work for access() */ |
40 |
#ifndef F_OK |
41 |
#define F_OK 00 |
42 |
#define X_OK 01 |
43 |
#define W_OK 02 |
44 |
#define R_OK 04 |
45 |
#endif |
46 |
extern char *fixargv0(); |
47 |
|
48 |
#else /* everything but Windows */ |
49 |
#include <unistd.h> |
50 |
#include <sys/param.h> |
51 |
|
52 |
#define RMAX_PATH_MAX 4096 /* our own maximum */ |
53 |
#ifndef PATH_MAX |
54 |
#define PATH_MAX 512 |
55 |
#elif PATH_MAX > RMAX_PATH_MAX /* the OS is exaggerating */ |
56 |
#undef PATH_MAX |
57 |
#define PATH_MAX RMAX_PATH_MAX |
58 |
#endif |
59 |
|
60 |
#ifdef AMIGA |
61 |
|
62 |
#define DIRSEP '/' |
63 |
#define ISABS(s) ((s)!=NULL && (ISDIRSEP(s[0]))) |
64 |
#define PATHSEP ';' |
65 |
#define CURDIR '.' |
66 |
/*#define MAXPATH 128*/ /* obsoleted by posix PATH_MAX */ |
67 |
#define DEFAULT_TEMPDIRS {"/var/tmp", "/usr/tmp", "/tmp", ".", NULL} |
68 |
#define TEMPLATE "/tmp/rtXXXXXX" |
69 |
#define TEMPLEN 13 |
70 |
#define ULIBVAR "RAYPATH" |
71 |
#ifndef DEFPATH |
72 |
#define DEFPATH ";/ray/lib" |
73 |
#endif |
74 |
#define fixargv0(a0) (a0) |
75 |
|
76 |
#else |
77 |
|
78 |
/* posix */ |
79 |
|
80 |
/* this is defined as _PATH_DEVNULL in /usr/include/paths.h on Linux */ |
81 |
#define NULL_DEVICE "/dev/null" |
82 |
#define DIRSEP '/' |
83 |
#define ISABS(s) ((s)!=NULL && (ISDIRSEP(s[0]))) |
84 |
#define PATHSEP ':' |
85 |
#define CURDIR '.' |
86 |
/*#define MAXPATH 256*/ /* obsoleted by posix PATH_MAX */ |
87 |
#define DEFAULT_TEMPDIRS {"/var/tmp", "/usr/tmp", "/tmp", ".", NULL} |
88 |
#define TEMPLATE "/usr/tmp/rtXXXXXX" |
89 |
#define TEMPLEN 17 |
90 |
#define ULIBVAR "RAYPATH" |
91 |
#ifndef DEFPATH |
92 |
#define DEFPATH ":/usr/local/lib/ray" |
93 |
#endif |
94 |
#define fixargv0(a0) (a0) |
95 |
|
96 |
#endif |
97 |
#endif |
98 |
|
99 |
#ifndef ISDIRSEP |
100 |
#define ISDIRSEP(c) ((c)==DIRSEP) |
101 |
#endif |
102 |
#ifndef CASEDIRSEP |
103 |
#define CASEDIRSEP case DIRSEP |
104 |
#endif |
105 |
|
106 |
|
107 |
/* Find a writeable directory for temporary files */ |
108 |
/* If s is NULL, we return a static string */ |
109 |
extern char *temp_directory(char *s, size_t len); |
110 |
|
111 |
/* Compose a *currently* unique name within a temporary directory */ |
112 |
/* If s is NULL, we return a static string */ |
113 |
/* If templ is NULL, we take our default template */ |
114 |
/* WARNING: On Windows, there's a maximum of 27 unique names within |
115 |
one process for the same template. */ |
116 |
extern char *temp_filename(char *s, size_t len, char *templ); |
117 |
|
118 |
/* Same as above, but also open the file and return the descriptor */ |
119 |
/* This one is supposed to protect against race conditions on unix */ |
120 |
/* WARNING: On Windows, there's no protection against race conditions */ |
121 |
extern int temp_fd(char *s, size_t len, char *templ); |
122 |
|
123 |
/* Same as above, but return a file pointer instead of a descriptor */ |
124 |
extern FILE *temp_fp(char *s, size_t len, char *templ); |
125 |
|
126 |
/* Concatenate two strings, leaving exactly one DIRSEP in between */ |
127 |
extern char *append_filepath(char *s1, char *s2, size_t len); |
128 |
|
129 |
|
130 |
#ifdef __cplusplus |
131 |
} |
132 |
#endif |
133 |
#endif /* _RAD_PATHS_H_ */ |
134 |
|