src/common/paths.h

/* RCSid $Id: paths.h,v 2.26 2016/02/03 22:41:35 greg 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>

#if defined(_WIN32) || defined(_WIN64)
  #include <io.h>
  #include <direct.h> /* getcwd(), chdir(), _mkdir(), etc. */
  #define getcwd _getcwd
  #define chdir _chdir

  #define access                _access
  #define mkdir(dirname,perms)  _mkdir(dirname)
  #ifdef _MSC_VER
    #define popen(cmd,mode)     _popen(cmd,mode)
    #define pclose(p)           _pclose(p)
  #else
    #define popen(cmd,mode)     win_popen(cmd,mode)
    #define pclose(p)           win_pclose(p)
  #endif
  #define kill(pid,sig)         win_kill(pid,sig)
  #define nice(inc)             win_nice(inc)
  #define PATH_MAX              _MAX_PATH
  #define NULL_DEVICE           "NUL"
  #define DIRSEP                '/'
  #define ISDIRSEP(c)           (((c)=='/') | ((c)=='\\'))
  #define ISABS(s)              ( ISDIRSEP((s)[0]) \
                || ( isupper((s)[0]) | islower((s)[0]) \
                        && (s)[1]==':' && ISDIRSEP((s)[2]) ) )
  #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
  #define SPECIALS              " \t\"$*?|"
  #define QUOTCHAR              '"'
  /* <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

#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)            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)            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 SPECIALS            " \t\n'\"()${}*?[];|&"
    #define QUOTCHAR            '\''
    #define ALTQUOT             '"'
    #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

#if defined(_WIN32) || defined(_WIN64)
  extern FILE *win_popen(char *command, char *type);
  extern int win_pclose(FILE *p);
  extern char  *fixargv0();
#endif

/* Check if any of the characters in str2 are found in str1 */
extern int matchany(const char *str1, const char *str2);

/* Convert a set of arguments into a command line for pipe() or system() */
extern char *convert_commandline(char *cmd, const int len, char *av[]);

/* 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:	2.27
Committed:	Sun Mar 6 01:13:17 2016 UTC (8 years, 2 months ago) by schorsch
Content type:	text/plain
Branch:	MAIN
Changes since 2.26:	+5 -3 lines
Log Message:	Prepare for SCons build on Win32 and Win64
#	User	Rev	Content
1	schorsch	2.27	/* RCSid $Id: paths.h,v 2.26 2016/02/03 22:41:35 greg 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	2.27	#if defined(_WIN32) \|\| defined(_WIN64)
16	schorsch	2.14	#include <io.h>
17	schorsch	2.22	#include <direct.h> /* getcwd(), chdir(), _mkdir(), etc. */
18	schorsch	2.27	#define getcwd _getcwd
19			#define chdir _chdir
20	greg	2.1
21	greg	2.25	#define access _access
22			#define mkdir(dirname,perms) _mkdir(dirname)
23			#ifdef _MSC_VER
24			#define popen(cmd,mode) _popen(cmd,mode)
25			#define pclose(p) _pclose(p)
26			#else
27			#define popen(cmd,mode) win_popen(cmd,mode)
28			#define pclose(p) win_pclose(p)
29			#endif
30			#define kill(pid,sig) win_kill(pid,sig)
31			#define nice(inc) win_nice(inc)
32	greg	2.26	#define PATH_MAX _MAX_PATH
33	greg	2.25	#define NULL_DEVICE "NUL"
34	schorsch	2.14	#define DIRSEP '/'
35	greg	2.25	#define ISDIRSEP(c) (((c)=='/') \| ((c)=='\\'))
36			#define ISABS(s) ( ISDIRSEP((s)[0]) \
37	greg	2.24	\|\| ( isupper((s)[0]) \| islower((s)[0]) \
38			&& (s)[1]==':' && ISDIRSEP((s)[2]) ) )
39	greg	2.25	#define CASEDIRSEP case '/': case '\\'
40	schorsch	2.14	#define PATHSEP ';'
41			#define CURDIR '.'
42	greg	2.25	#define DEFAULT_TEMPDIRS {"C:/TMP", "C:/TEMP", ".", NULL}
43			#define TEMPLATE "rtXXXXXX"
44	schorsch	2.14	#define TEMPLEN 8
45			#define ULIBVAR "RAYPATH"
46			#ifndef DEFPATH
47			#define DEFPATH ";c:/ray/lib"
48			#endif
49	greg	2.25	#define SPECIALS " \t\"$*?\|"
50			#define QUOTCHAR '"'
51	schorsch	2.14	/* <io.h> only does half the work for access() */
52			#ifndef F_OK
53			#define F_OK 00
54			#define W_OK 02
55	greg	2.23	#endif
56			#ifndef R_OK
57			#define X_OK 01
58			#define R_OK 04
59	schorsch	2.14	#endif
60	schorsch	2.17	/* to make the permissions user specific we'd need to use CreateFile() */
61			#ifndef S_IRUSR
62			#define S_IRUSR _S_IREAD
63			#define S_IWUSR _S_IWRITE
64			#endif
65	schorsch	2.19
66	schorsch	2.16	#else /* everything but Windows */
67			#include <unistd.h>
68			#include <sys/param.h>
69
70			#define RMAX_PATH_MAX 4096 /* our own maximum */
71			#ifndef PATH_MAX
72			#define PATH_MAX 512
73			#elif PATH_MAX > RMAX_PATH_MAX /* the OS is exaggerating */
74			#undef PATH_MAX
75			#define PATH_MAX RMAX_PATH_MAX
76	schorsch	2.14	#endif
77
78			#ifdef AMIGA
79
80	schorsch	2.20	#define NULL_DEVICE "NIL:"
81	schorsch	2.14	#define DIRSEP '/'
82	greg	2.24	#define ISABS(s) ISDIRSEP((s)[0])
83	schorsch	2.14	#define PATHSEP ';'
84			#define CURDIR '.'
85	greg	2.25	#define DEFAULT_TEMPDIRS {"/var/tmp", "/usr/tmp", "/tmp", ".", NULL}
86			#define TEMPLATE "/tmp/rtXXXXXX"
87	schorsch	2.14	#define TEMPLEN 13
88			#define ULIBVAR "RAYPATH"
89			#ifndef DEFPATH
90			#define DEFPATH ";/ray/lib"
91			#endif
92			#define fixargv0(a0) (a0)
93
94			#else
95
96	schorsch	2.16	/* posix */
97
98			/* this is defined as _PATH_DEVNULL in /usr/include/paths.h on Linux */
99			#define NULL_DEVICE "/dev/null"
100	schorsch	2.14	#define DIRSEP '/'
101	greg	2.24	#define ISABS(s) ISDIRSEP((s)[0])
102	schorsch	2.14	#define PATHSEP ':'
103			#define CURDIR '.'
104	greg	2.25	#define DEFAULT_TEMPDIRS {"/var/tmp", "/usr/tmp", "/tmp", ".", NULL}
105			#define TEMPLATE "/tmp/rtXXXXXX"
106	schorsch	2.14	#define TEMPLEN 17
107			#define ULIBVAR "RAYPATH"
108			#ifndef DEFPATH
109			#define DEFPATH ":/usr/local/lib/ray"
110			#endif
111	greg	2.25	#define SPECIALS " \t\n'\"()${}*?[];\|&"
112			#define QUOTCHAR '\''
113			#define ALTQUOT '"'
114	schorsch	2.14	#define fixargv0(a0) (a0)
115	greg	2.1
116	schorsch	2.14	#endif
117	greg	2.2	#endif
118
119			#ifndef ISDIRSEP
120	schorsch	2.14	#define ISDIRSEP(c) ((c)==DIRSEP)
121	greg	2.2	#endif
122			#ifndef CASEDIRSEP
123	schorsch	2.14	#define CASEDIRSEP case DIRSEP
124	greg	2.1	#endif
125
126	schorsch	2.19	#ifdef __cplusplus
127			extern "C" {
128			#endif
129	schorsch	2.13
130	schorsch	2.27	#if defined(_WIN32) \|\| defined(_WIN64)
131	greg	2.25	extern FILE win_popen(char command, char *type);
132			extern int win_pclose(FILE *p);
133			extern char *fixargv0();
134			#endif
135
136			/* Check if any of the characters in str2 are found in str1 */
137			extern int matchany(const char str1, const char str2);
138
139			/* Convert a set of arguments into a command line for pipe() or system() */
140			extern char convert_commandline(char cmd, const int len, char *av[]);
141
142	schorsch	2.13	/* Find a writeable directory for temporary files */
143			/* If s is NULL, we return a static string */
144			extern char temp_directory(char s, size_t len);
145
146			/* Compose a currently unique name within a temporary directory */
147			/* If s is NULL, we return a static string */
148			/* If templ is NULL, we take our default template */
149			/* WARNING: On Windows, there's a maximum of 27 unique names within
150			one process for the same template. */
151			extern char temp_filename(char s, size_t len, char *templ);
152
153			/* Same as above, but also open the file and return the descriptor */
154			/* This one is supposed to protect against race conditions on unix */
155			/* WARNING: On Windows, there's no protection against race conditions */
156	schorsch	2.16	extern int temp_fd(char s, size_t len, char templ);
157
158			/* Same as above, but return a file pointer instead of a descriptor */
159			extern FILE temp_fp(char s, size_t len, char *templ);
160	schorsch	2.13
161			/* Concatenate two strings, leaving exactly one DIRSEP in between */
162			extern char append_filepath(char s1, char *s2, size_t len);
163	schorsch	2.12
164
165			#ifdef __cplusplus
166			}
167			#endif
168			#endif /* _RAD_PATHS_H_ */
169