branches/zip: Revert r6044 which added os_file_is_same() function

(issue#186). This functionality is moved to Hot Backup source tree.

include/os0file.h

@@ -260,21 +260,6 @@ library of Netware does not expose the delete-on-close flag.
 FILE*
 os_file_create_tmpfile(void);
 /*========================*/
-#else
-/***********************************************************************//**
-Check if two paths refer to the same file or directory. On Unix-like systems
-the files are considered equal if they have the same inode (as returned by
-stat(2) system call).
-@return 1 if files are the same, 0 if they are not the same, and -1 on error
-(error number can be retrieved with os_file_get_last_error) */
-UNIV_INTERN
-int
-os_file_is_same(
-/*============*/
-	const char*	pathname1,	/*!< in: pathname of a file
-					  or directory */
-	const char*	pathname2);	/*!< in: pathname of a file
-					  or directory */
 #endif /* !UNIV_HOTBACKUP */
 /***********************************************************************//**
 The os_file_opendir() function opens a directory stream corresponding to the

os/os0file.c

@@ -612,60 +612,6 @@ os_file_create_tmpfile(void)
 
 	return(file);
 }
-#else
-/***********************************************************************//**
-Check if two paths refer to the same file or directory. On Unix-like systems
-the files are considered equal if they have the same inode (as returned by
-stat(2) system call).
-@return 1 if files are the same, 0 if they are not the same, and -1 on error
-(error number can be retrieved with os_file_get_last_error) */
-UNIV_INTERN
-int
-os_file_is_same(
-/*============*/
-	const char*	pathname1,	/*!< in: pathname of a file
-					  or directory */
-	const char*	pathname2)	/*!< in: pathname of a file
-					  or directory */
-{
-#ifdef __WIN__
-	/* NOTE This Windows implementation is incomplete; we need to
-	   check inodes of the files as we do on Unix-like systems.
-	*/
-	if (0 == strcmp(pathname1, pathname2)) {
-		/* paths are the same */
-		return (1);
-	} else {
-		/* path are different */
-		return (0);
-	}
-#else
-	struct stat fileinfo1, fileinfo2;
-	int rcode;
-	
-	if (0 == strcmp(pathname1, pathname2)) {
-		/* paths are the same */
-		return (1);
-	}
-
-	/* get inodes with stat(2)*/
-	rcode = stat(pathname1, &fileinfo1);
-	if (rcode < 0) {
-		/* failure */
-		os_file_handle_error_no_exit(pathname1, "os_file_is_same");
-		return (-1);
-	}
-	rcode = stat(pathname2, &fileinfo2);
-	if (rcode < 0) {
-		/* failure */
-		os_file_handle_error_no_exit(pathname2, "os_file_is_same");
-		return (-1);
-	}
-
-	return (fileinfo1.st_ino == fileinfo2.st_ino);
-#endif	
-}
-
 #endif /* !UNIV_HOTBACKUP */
 
 /***********************************************************************//**