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/* RCSid $Id: paths.h,v 2.21 2004/10/30 04:59:41 greg Exp $ */ |
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/* |
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* Definitions for paths on different machines |
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*/ |
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#ifndef _RAD_PATHS_H_ |
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#define _RAD_PATHS_H_ |
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|
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <fcntl.h> |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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|
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#ifdef _WIN32 |
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#include <io.h> |
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#include <direct.h> /* getcwd(), chdir(), _mkdir(), etc. */ |
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|
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#define access _access |
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#define mkdir(dirname,perms) _mkdir(dirname) |
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#define PATH_MAX _MAX_PATH |
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#define NULL_DEVICE "NUL" |
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#define DIRSEP '/' |
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#define ISDIRSEP(c) ((c)=='/' || (c)=='\\') |
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#define ISABS(s) ((s)!=NULL \ |
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&& (s[0])!='\0' \ |
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&& ( ISDIRSEP(s[0]) \ |
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|| ( (s[1])!='\0' \ |
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&& (isupper(s[0])||islower(s[0])) \ |
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&& (s[1])==':'))) |
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#define CASEDIRSEP case '/': case '\\' |
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#define PATHSEP ';' |
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#define CURDIR '.' |
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#define DEFAULT_TEMPDIRS {"C:/TMP", "C:/TEMP", ".", NULL} |
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#define TEMPLATE "rtXXXXXX" |
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#define TEMPLEN 8 |
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#define ULIBVAR "RAYPATH" |
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#ifndef DEFPATH |
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#define DEFPATH ";c:/ray/lib" |
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#endif |
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/* <io.h> only does half the work for access() */ |
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#ifndef F_OK |
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#define F_OK 00 |
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#define X_OK 01 |
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#define W_OK 02 |
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#define R_OK 04 |
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#endif |
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/* to make the permissions user specific we'd need to use CreateFile() */ |
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#ifndef S_IRUSR |
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#define S_IRUSR _S_IREAD |
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#define S_IWUSR _S_IWRITE |
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#endif |
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|
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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extern char *fixargv0(); |
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#ifdef __cplusplus |
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} |
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#endif |
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|
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#else /* everything but Windows */ |
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#include <unistd.h> |
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#include <sys/param.h> |
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|
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#define RMAX_PATH_MAX 4096 /* our own maximum */ |
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#ifndef PATH_MAX |
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#define PATH_MAX 512 |
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#elif PATH_MAX > RMAX_PATH_MAX /* the OS is exaggerating */ |
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#undef PATH_MAX |
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#define PATH_MAX RMAX_PATH_MAX |
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#endif |
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|
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#ifdef AMIGA |
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|
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#define NULL_DEVICE "NIL:" |
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#define DIRSEP '/' |
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#define ISABS(s) ((s)!=NULL && (ISDIRSEP(s[0]))) |
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#define PATHSEP ';' |
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#define CURDIR '.' |
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#define DEFAULT_TEMPDIRS {"/var/tmp", "/usr/tmp", "/tmp", ".", NULL} |
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#define TEMPLATE "/tmp/rtXXXXXX" |
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#define TEMPLEN 13 |
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#define ULIBVAR "RAYPATH" |
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#ifndef DEFPATH |
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#define DEFPATH ";/ray/lib" |
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#endif |
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#define fixargv0(a0) (a0) |
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|
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#else |
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|
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/* posix */ |
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|
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/* this is defined as _PATH_DEVNULL in /usr/include/paths.h on Linux */ |
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#define NULL_DEVICE "/dev/null" |
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#define DIRSEP '/' |
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#define ISABS(s) ((s)!=NULL && (ISDIRSEP(s[0]))) |
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#define PATHSEP ':' |
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#define CURDIR '.' |
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#define DEFAULT_TEMPDIRS {"/var/tmp", "/usr/tmp", "/tmp", ".", NULL} |
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#define TEMPLATE "/tmp/rtXXXXXX" |
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#define TEMPLEN 17 |
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#define ULIBVAR "RAYPATH" |
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#ifndef DEFPATH |
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#define DEFPATH ":/usr/local/lib/ray" |
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#endif |
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#define fixargv0(a0) (a0) |
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|
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#endif |
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#endif |
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|
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#ifndef ISDIRSEP |
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#define ISDIRSEP(c) ((c)==DIRSEP) |
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#endif |
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#ifndef CASEDIRSEP |
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#define CASEDIRSEP case DIRSEP |
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#endif |
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|
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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|
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/* Find a writeable directory for temporary files */ |
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/* If s is NULL, we return a static string */ |
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extern char *temp_directory(char *s, size_t len); |
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|
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/* Compose a *currently* unique name within a temporary directory */ |
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/* If s is NULL, we return a static string */ |
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/* If templ is NULL, we take our default template */ |
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/* WARNING: On Windows, there's a maximum of 27 unique names within |
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one process for the same template. */ |
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extern char *temp_filename(char *s, size_t len, char *templ); |
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|
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/* Same as above, but also open the file and return the descriptor */ |
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/* This one is supposed to protect against race conditions on unix */ |
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/* WARNING: On Windows, there's no protection against race conditions */ |
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extern int temp_fd(char *s, size_t len, char *templ); |
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|
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/* Same as above, but return a file pointer instead of a descriptor */ |
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extern FILE *temp_fp(char *s, size_t len, char *templ); |
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|
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/* Concatenate two strings, leaving exactly one DIRSEP in between */ |
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extern char *append_filepath(char *s1, char *s2, size_t len); |
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|
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|
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* _RAD_PATHS_H_ */ |
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