src/common/paths.h

/* RCSid $Id: paths.h,v 2.22 2005/09/19 11:30:10 schorsch Exp $ */
/*
 * Definitions for paths on different machines
 */
#ifndef _RAD_PATHS_H_
#define _RAD_PATHS_H_

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>

#ifdef _WIN32
  #include <io.h>
  #include <direct.h> /* getcwd(), chdir(), _mkdir(), etc. */

  #define access _access
  #define mkdir(dirname,perms) _mkdir(dirname)
  #define PATH_MAX _MAX_PATH
  #define NULL_DEVICE   "NUL"
  #define DIRSEP                '/'
  #define ISDIRSEP(c)   ((c)=='/' || (c)=='\\')
  #define ISABS(s)      ((s)!=NULL \
                  && (s[0])!='\0' \
          && (   ISDIRSEP(s[0]) \
              || (   (s[1])!='\0' \
                  && (isupper(s[0])||islower(s[0])) \
                  && (s[1])==':')))
  #define CASEDIRSEP    case '/': case '\\'
  #define PATHSEP               ';'
  #define CURDIR                '.'
  #define DEFAULT_TEMPDIRS {"C:/TMP", "C:/TEMP", ".", NULL}
  #define TEMPLATE      "rtXXXXXX"
  #define TEMPLEN               8
  #define ULIBVAR               "RAYPATH"
  #ifndef DEFPATH
    #define DEFPATH             ";c:/ray/lib"
  #endif
  /* <io.h> only does half the work for access() */
  #ifndef F_OK
    #define  F_OK 00
    #define  W_OK 02
  #endif
  #ifndef R_OK
    #define X_OK 01
    #define R_OK 04
  #endif
  /* to make the permissions user specific we'd need to use CreateFile() */
  #ifndef S_IRUSR
    #define S_IRUSR _S_IREAD
    #define S_IWUSR _S_IWRITE
  #endif

  #ifdef __cplusplus
    extern "C" {
  #endif
  extern char  *fixargv0();
  #ifdef __cplusplus
    }
  #endif

#else /* everything but Windows */
  #include <unistd.h>
  #include <sys/param.h>

  #define RMAX_PATH_MAX 4096 /* our own maximum */
  #ifndef PATH_MAX
    #define PATH_MAX 512
  #elif PATH_MAX > RMAX_PATH_MAX /* the OS is exaggerating */
    #undef PATH_MAX
    #define PATH_MAX RMAX_PATH_MAX
  #endif

  #ifdef AMIGA

        #define NULL_DEVICE     "NIL:"
    #define DIRSEP              '/'
    #define ISABS(s) ((s)!=NULL && (ISDIRSEP(s[0])))
    #define PATHSEP             ';'
        #define CURDIR          '.'
    #define DEFAULT_TEMPDIRS {"/var/tmp", "/usr/tmp", "/tmp", ".", NULL}
    #define TEMPLATE    "/tmp/rtXXXXXX"
    #define TEMPLEN             13
    #define ULIBVAR             "RAYPATH"
    #ifndef DEFPATH
      #define DEFPATH           ";/ray/lib"
    #endif
    #define      fixargv0(a0)   (a0)

  #else

    /* posix */

        /* this is defined as _PATH_DEVNULL in /usr/include/paths.h on Linux */
        #define NULL_DEVICE     "/dev/null"
    #define DIRSEP              '/'
    #define ISABS(s) ((s)!=NULL && (ISDIRSEP(s[0])))
    #define PATHSEP             ':'
        #define CURDIR          '.'
    #define DEFAULT_TEMPDIRS {"/var/tmp", "/usr/tmp", "/tmp", ".", NULL}
    #define TEMPLATE    "/tmp/rtXXXXXX"
    #define TEMPLEN             17
    #define ULIBVAR             "RAYPATH"
    #ifndef DEFPATH
      #define DEFPATH           ":/usr/local/lib/ray"
    #endif
    #define      fixargv0(a0)   (a0)

  #endif
#endif

#ifndef ISDIRSEP
  #define ISDIRSEP(c)   ((c)==DIRSEP)
#endif
#ifndef CASEDIRSEP
  #define CASEDIRSEP    case DIRSEP
#endif

#ifdef __cplusplus
extern "C" {
#endif

/* Find a writeable directory for temporary files */
/* If s is NULL, we return a static string */
extern char *temp_directory(char *s, size_t len);

/* Compose a *currently* unique name within a temporary directory */
/* If s is NULL, we return a static string */
/* If templ is NULL, we take our default template */
/* WARNING: On Windows, there's a maximum of 27 unique names within
            one process for the same template. */
extern char *temp_filename(char *s, size_t len, char *templ);

/* Same as above, but also open the file and return the descriptor */
/* This one is supposed to protect against race conditions on unix */
/* WARNING: On Windows, there's no protection against race conditions */
extern int temp_fd(char *s, size_t len, char *templ);

/* Same as above, but return a file pointer instead of a descriptor */
extern FILE *temp_fp(char *s, size_t len, char *templ);

/* Concatenate two strings, leaving exactly one DIRSEP in between */
extern char *append_filepath(char *s1, char *s2, size_t len);


#ifdef __cplusplus
}
#endif
#endif /* _RAD_PATHS_H_ */

Revision:	2.23
Committed:	Wed Oct 5 17:20:55 2011 UTC (12 years, 7 months ago) by greg
Content type:	text/plain
Branch:	MAIN
CVS Tags:	rad4R1
Changes since 2.22:	+5 -3 lines
Log Message:	Windows compatibility changes from Bill Hoffman
#	User	Rev	Content
1	greg	2.23	/* RCSid $Id: paths.h,v 2.22 2005/09/19 11:30:10 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	greg	2.1
8	schorsch	2.16	#include <stdio.h>
9	schorsch	2.13	#include <stdlib.h>
10			#include <string.h>
11	schorsch	2.17	#include <fcntl.h>
12			#include <sys/types.h>
13			#include <sys/stat.h>
14	schorsch	2.16
15	schorsch	2.13	#ifdef _WIN32
16	schorsch	2.14	#include <io.h>
17	schorsch	2.22	#include <direct.h> /* getcwd(), chdir(), _mkdir(), etc. */
18	greg	2.1
19	schorsch	2.14	#define access _access
20	schorsch	2.22	#define mkdir(dirname,perms) _mkdir(dirname)
21	schorsch	2.14	#define PATH_MAX _MAX_PATH
22	schorsch	2.20	#define NULL_DEVICE "NUL"
23	schorsch	2.14	#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 W_OK 02
45	greg	2.23	#endif
46			#ifndef R_OK
47			#define X_OK 01
48			#define R_OK 04
49	schorsch	2.14	#endif
50	schorsch	2.17	/* to make the permissions user specific we'd need to use CreateFile() */
51			#ifndef S_IRUSR
52			#define S_IRUSR _S_IREAD
53			#define S_IWUSR _S_IWRITE
54			#endif
55	schorsch	2.19
56			#ifdef __cplusplus
57			extern "C" {
58			#endif
59			extern char *fixargv0();
60			#ifdef __cplusplus
61			}
62			#endif
63	greg	2.1
64	schorsch	2.16	#else /* everything but Windows */
65			#include <unistd.h>
66			#include <sys/param.h>
67
68			#define RMAX_PATH_MAX 4096 /* our own maximum */
69			#ifndef PATH_MAX
70			#define PATH_MAX 512
71			#elif PATH_MAX > RMAX_PATH_MAX /* the OS is exaggerating */
72			#undef PATH_MAX
73			#define PATH_MAX RMAX_PATH_MAX
74	schorsch	2.14	#endif
75
76			#ifdef AMIGA
77
78	schorsch	2.20	#define NULL_DEVICE "NIL:"
79	schorsch	2.14	#define DIRSEP '/'
80			#define ISABS(s) ((s)!=NULL && (ISDIRSEP(s[0])))
81			#define PATHSEP ';'
82			#define CURDIR '.'
83			#define DEFAULT_TEMPDIRS {"/var/tmp", "/usr/tmp", "/tmp", ".", NULL}
84			#define TEMPLATE "/tmp/rtXXXXXX"
85			#define TEMPLEN 13
86			#define ULIBVAR "RAYPATH"
87			#ifndef DEFPATH
88			#define DEFPATH ";/ray/lib"
89			#endif
90			#define fixargv0(a0) (a0)
91
92			#else
93
94	schorsch	2.16	/* posix */
95
96			/* this is defined as _PATH_DEVNULL in /usr/include/paths.h on Linux */
97			#define NULL_DEVICE "/dev/null"
98	schorsch	2.14	#define DIRSEP '/'
99			#define ISABS(s) ((s)!=NULL && (ISDIRSEP(s[0])))
100			#define PATHSEP ':'
101			#define CURDIR '.'
102			#define DEFAULT_TEMPDIRS {"/var/tmp", "/usr/tmp", "/tmp", ".", NULL}
103	greg	2.21	#define TEMPLATE "/tmp/rtXXXXXX"
104	schorsch	2.14	#define TEMPLEN 17
105			#define ULIBVAR "RAYPATH"
106			#ifndef DEFPATH
107			#define DEFPATH ":/usr/local/lib/ray"
108			#endif
109			#define fixargv0(a0) (a0)
110	greg	2.1
111	schorsch	2.14	#endif
112	greg	2.2	#endif
113
114			#ifndef ISDIRSEP
115	schorsch	2.14	#define ISDIRSEP(c) ((c)==DIRSEP)
116	greg	2.2	#endif
117			#ifndef CASEDIRSEP
118	schorsch	2.14	#define CASEDIRSEP case DIRSEP
119	greg	2.1	#endif
120
121	schorsch	2.19	#ifdef __cplusplus
122			extern "C" {
123			#endif
124	schorsch	2.13
125			/* Find a writeable directory for temporary files */
126			/* If s is NULL, we return a static string */
127			extern char temp_directory(char s, size_t len);
128
129			/* Compose a currently unique name within a temporary directory */
130			/* If s is NULL, we return a static string */
131			/* If templ is NULL, we take our default template */
132			/* WARNING: On Windows, there's a maximum of 27 unique names within
133			one process for the same template. */
134			extern char temp_filename(char s, size_t len, char *templ);
135
136			/* Same as above, but also open the file and return the descriptor */
137			/* This one is supposed to protect against race conditions on unix */
138			/* WARNING: On Windows, there's no protection against race conditions */
139	schorsch	2.16	extern int temp_fd(char s, size_t len, char templ);
140
141			/* Same as above, but return a file pointer instead of a descriptor */
142			extern FILE temp_fp(char s, size_t len, char *templ);
143	schorsch	2.13
144			/* Concatenate two strings, leaving exactly one DIRSEP in between */
145			extern char append_filepath(char s1, char *s2, size_t len);
146	schorsch	2.12
147
148			#ifdef __cplusplus
149			}
150			#endif
151			#endif /* _RAD_PATHS_H_ */
152