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- /*
- * stat.c --
- *
- * Procedure to map from Unix *stat system calls to Sprite.
- *
- * Copyright 1986 Regents of the University of California
- * All rights reserved.
- */
-
- #ifndef lint
- static char rcsid[] = "$Header: /sprite/src/lib/c/unixSyscall/RCS/stat.c,v 1.6 89/11/20 12:57:52 mendel Exp $ SPRITE (Berkeley)";
- #endif not lint
-
- #include "sprite.h"
- #include "fs.h"
- #include "compatInt.h"
-
- #include <sys/types.h>
- #include <sys/stat.h>
-
- static int CvtSpriteToUnixType();
-
-
- /*
- *----------------------------------------------------------------------
- *
- * CvtSpriteToUnixAtts --
- *
- * Procedure to convert the Sprite file system attributes
- * structure to the Unix format.
- *
- * Results:
- * none.
- *
- * Side effects:
- * none.
- *
- *----------------------------------------------------------------------
- */
-
- static void
- CvtSpriteToUnixAtts(spriteAttsPtr, unixAttsPtr)
- register struct stat *unixAttsPtr;
- register Fs_Attributes *spriteAttsPtr;
- {
- unixAttsPtr->st_dev = spriteAttsPtr->domain;
- unixAttsPtr->st_ino = spriteAttsPtr->fileNumber;
- unixAttsPtr->st_mode = (spriteAttsPtr->permissions & 0xfff) |
- CvtSpriteToUnixType(spriteAttsPtr->type);
- unixAttsPtr->st_nlink = spriteAttsPtr->numLinks;
- unixAttsPtr->st_uid = spriteAttsPtr->uid;
- unixAttsPtr->st_gid = spriteAttsPtr->gid;
- unixAttsPtr->st_rdev = (spriteAttsPtr->devType << 8) |
- (spriteAttsPtr->devUnit & 0xff);
- unixAttsPtr->st_size = spriteAttsPtr->size;
- unixAttsPtr->st_blksize = spriteAttsPtr->blockSize;
- unixAttsPtr->st_blocks = spriteAttsPtr->blocks * 2;
- unixAttsPtr->st_atime = spriteAttsPtr->accessTime.seconds;
- unixAttsPtr->st_spare1 = 0;
- unixAttsPtr->st_mtime = spriteAttsPtr->dataModifyTime.seconds;
- unixAttsPtr->st_spare2 = 0;
- unixAttsPtr->st_ctime = spriteAttsPtr->descModifyTime.seconds;
- unixAttsPtr->st_spare3 = 0;
- unixAttsPtr->st_serverID = spriteAttsPtr->serverID;
- unixAttsPtr->st_version = spriteAttsPtr->version;
- unixAttsPtr->st_userType = spriteAttsPtr->userType;
- unixAttsPtr->st_devServerID = spriteAttsPtr->devServerID;
- }
-
- /*
- *----------------------------------------------------------------------
- *
- * CvtSpriteToUnixType --
- *
- * Convert from Sprite file types to the IFMT mode bits of a unix file
- *
- * Results:
- * Unix file type bits.
- *
- * Side effects:
- * none.
- *
- *----------------------------------------------------------------------
- */
-
- static int
- CvtSpriteToUnixType(spriteFileType)
- register int spriteFileType;
- {
- register unixModeBits;
-
- switch (spriteFileType) {
- default:
- case FS_FILE:
- unixModeBits = S_IFREG;
- break;
- case FS_DIRECTORY:
- unixModeBits = S_IFDIR;
- break;
- case FS_SYMBOLIC_LINK:
- unixModeBits = S_IFLNK;
- break;
- case FS_DEVICE:
- case FS_REMOTE_DEVICE: /* not used */
- unixModeBits = S_IFCHR;
- break;
- case FS_LOCAL_PIPE: /* not used */
- case FS_NAMED_PIPE:
- unixModeBits = S_IFIFO;
- break;
- case FS_REMOTE_LINK:
- unixModeBits = S_IFRLNK;
- break;
- case FS_PSEUDO_DEV:
- unixModeBits = S_IFPDEV;
- break;
- }
- return(unixModeBits);
- }
-
-
- /*
- *----------------------------------------------------------------------
- *
- * stat --
- *
- * Procedure to map from Unix stat system call to Sprite
- * Fs_GetAttributes.
- *
- * Results:
- * UNIX_SUCCESS - the call was successful.
- * UNIX_ERROR - the call was not successful.
- * The actual error code stored in errno.
- *
- * Side effects:
- * The attributes of the specified file are stored in *attsBufPtr.
- * Errno may be modified.
- *
- *----------------------------------------------------------------------
- */
-
- int
- stat(pathName, attsBufPtr)
- char *pathName; /* The name of the file to stat */
- struct stat *attsBufPtr; /* ptr to buffer to hold attributes in
- Unix format */
- {
- ReturnStatus status; /* status returned by Fs_GetAttributes */
- Fs_Attributes spriteAtts; /* buffer for attributes using
- Sprite format. */
-
- status = Fs_GetAttributes(pathName, FS_ATTRIB_FILE, &spriteAtts);
- if (status != SUCCESS) {
- errno = Compat_MapCode(status);
- return(UNIX_ERROR);
- } else {
- CvtSpriteToUnixAtts(&spriteAtts, attsBufPtr);
- return(UNIX_SUCCESS);
- }
- }
-
-
- /*
- *----------------------------------------------------------------------
- *
- * lstat --
- *
- * Procedure to map from Unix lstat system call to Sprite
- * Fs_GetAttributes. If the file specified is a symbolic link,
- * follow the link and perform Fs_GetAttributes again.
- *
- * Results:
- * UNIX_SUCCESS - the call was successful.
- * UNIX_ERROR - the call was not successful.
- * The actual error code stored in errno.
- *
- * Side effects:
- * The attributes of the specified file are stored in *attsBufPtr.
- * Errno may be modified.
- *
- *----------------------------------------------------------------------
- */
-
- int
- lstat(pathName, attsBufPtr)
- char *pathName; /* The name of the file to stat */
- struct stat *attsBufPtr; /* ptr to buffer to hold attributes in
- Unix format */
- {
- ReturnStatus status; /* status returned by Fs_GetAttributes */
- Fs_Attributes spriteAtts; /* buffer for attributes using
- Sprite format. */
-
- status = Fs_GetAttributes(pathName, FS_ATTRIB_LINK, &spriteAtts);
- if (status != SUCCESS) {
- errno = Compat_MapCode(status);
- return(UNIX_ERROR);
- } else {
- CvtSpriteToUnixAtts(&spriteAtts, attsBufPtr);
- return(UNIX_SUCCESS);
- }
- }
-
-
- /*
- *----------------------------------------------------------------------
- *
- * fstat --
- *
- * Procedure to map from Unix fstat system call to Sprite
- * Fs_GetAttributesID.
- *
- * Results:
- * UNIX_SUCCESS - the call was successful.
- * UNIX_ERROR - the call was not successful.
- * The actual error code stored in errno.
- *
- * Side effects:
- * The attributes of the specified file are stored in *attsBufPtr.
- * Errno may be modified.
- *
- *----------------------------------------------------------------------
- */
-
- int
- fstat(fd, attsBufPtr)
- int fd; /* Descriptor for file to stat */
- struct stat *attsBufPtr; /* ptr to buffer to hold attributes in
- Unix format */
- {
- ReturnStatus status; /* status returned by Fs_GetAttributesID */
- Fs_Attributes spriteAtts; /* buffer for attributes using
- Sprite format. */
-
- status = Fs_GetAttributesID(fd, &spriteAtts);
- if (status != SUCCESS) {
- errno = Compat_MapCode(status);
- return(UNIX_ERROR);
- } else {
- CvtSpriteToUnixAtts(&spriteAtts, attsBufPtr);
- return(UNIX_SUCCESS);
- }
- }
-