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- /*
- * java.io.File.c
- *
- * Copyright (c) 1996 Systems Architecture Research Centre,
- * City University, London, UK.
- *
- * See the file "license.terms" for information on usage and redistribution
- * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
- *
- * Written by Tim Wilkinson <tim@sarc.city.ac.uk>, February 1996.
- */
-
- #include "config.h"
- #include <sys/types.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <assert.h>
- #include <native.h>
- #include "defs.h"
- #include "files.h"
- #include "system.h"
- #include "java.io.stubs/File.h"
-
- #if defined(HAVE_DIRENT_H)
- # include <dirent.h>
- # define NAMLEN(dirent) (strlen((dirent)->d_name))
- #else
- # define dirent direct
- # define NAMLEN(dirent) ((dirent)->d_namlen)
- # if defined(HAVE_SYS_NDIR_H)
- # include <sys/ndir.h>
- # endif
- # if defined(HAVE_NDIR_H)
- # include <ndir.h>
- # endif
- #endif
- /* This may nolonger be necessary */
- #if defined(HAVE_DIR_H)
- #include <dir.h>
- #endif
-
- #if !defined(S_ISDIR)
- #define S_ISDIR(m) ((m) & S_IFDIR)
- #endif
- #if !defined(S_ISREG)
- #define S_ISREG(m) ((m) & S_IFREG)
- #endif
-
- /*
- * Is named item a file?
- */
- jint /* bool */
- java_io_File_isFile0(struct Hjava_io_File* this)
- {
- struct stat buf;
- char str[MAXPATHLEN];
- int r;
-
- javaString2CString(unhand(this)->path, str, sizeof(str));
-
- r = stat(str, &buf);
- if (r == 0 && S_ISREG(buf.st_mode)) {
- return (1);
- }
- else {
- return (0);
- }
- }
-
- /*
- * Is named item a directory?
- */
- jint /* bool */
- java_io_File_isDirectory0(struct Hjava_io_File* this)
- {
- struct stat buf;
- char str[MAXPATHLEN];
- int r;
-
- javaString2CString(unhand(this)->path, str, sizeof(str));
-
- r = stat(str, &buf);
- if (r == 0 & S_ISDIR(buf.st_mode)) {
- return (1);
- }
- else {
- return (0);
- }
- }
-
- /*
- * Does named file exist?
- */
- jint /* bool */
- java_io_File_exists0(struct Hjava_io_File* this)
- {
- struct stat buf;
- char str[MAXPATHLEN];
- int r;
-
- javaString2CString(unhand(this)->path, str, sizeof(str));
-
- r = stat(str, &buf);
- if (r < 0) {
- return (0);
- }
- else {
- return (1);
- }
- }
-
- /*
- * Last modified time on file.
- */
- jlong
- java_io_File_lastModified0(struct Hjava_io_File* this)
- {
- struct stat buf;
- char str[MAXPATHLEN];
- int r;
-
- javaString2CString(unhand(this)->path, str, sizeof(str));
-
- r = stat(str, &buf);
- if (r != 0) {
- return (off_t2jlong(0));
- }
- #if defined(HAVE_NATIVE_INT64)
- return (buf.st_mtime * (jlong)1000);
- #else
- return (off_t2jlong(buf.st_mtime * 1000)); /* HACK */
- #endif
- }
-
- /*
- * Can I write to this file?
- */
- jint /* bool */
- java_io_File_canWrite0(struct Hjava_io_File* this)
- {
- char str[MAXPATHLEN];
- int r;
-
- javaString2CString(unhand(this)->path, str, sizeof(str));
- r = access(str, W_OK);
- return (r == 0 ? 1 : 0);
- }
-
- /*
- * Can I read from this file.
- */
- jint /* bool */
- java_io_File_canRead0(struct Hjava_io_File* this)
- {
- char str[MAXPATHLEN];
- int r;
-
- javaString2CString(unhand(this)->path, str, sizeof(str));
- r = access(str, R_OK);
- return (r == 0 ? 1 : 0);
- }
-
- /*
- * Return length of file.
- */
- jlong
- java_io_File_length0(struct Hjava_io_File* this)
- {
- struct stat buf;
- char str[MAXPATHLEN];
- int r;
-
- javaString2CString(unhand(this)->path, str, sizeof(str));
-
- r = stat(str, &buf);
- return (off_t2jlong(r == 0 ? buf.st_size : 0));
- }
-
- /*
- * Create a directory.
- */
- jint /* bool */
- java_io_File_mkdir0(struct Hjava_io_File* this)
- {
- char str[MAXPATHLEN];
- int r;
-
- javaString2CString(unhand(this)->path, str, sizeof(str));
- #if defined(__WIN32__)
- r = mkdir(str);
- #else
- r = mkdir(str, 0777);
- #endif
- return (r);
- }
-
- /*
- * Rename a file.
- */
- jint /* bool */
- java_io_File_renameTo0(struct Hjava_io_File* this, struct Hjava_io_File* that)
- {
- char str[MAXPATHLEN];
- char str2[MAXPATHLEN];
- int r;
-
- javaString2CString(unhand(this)->path, str, sizeof(str));
- javaString2CString(unhand(that)->path, str2, sizeof(str2));
-
- r = rename(str, str2);
- return (r);
- }
-
- /*
- * Delete a file.
- */
- jint /* bool */
- java_io_File_delete0(struct Hjava_io_File* this)
- {
- char str[MAXPATHLEN];
- int r;
-
- javaString2CString(unhand(this)->path, str, sizeof(str));
- r = remove(str);
- return(r);
- }
-
- /*
- * Get a directory listing.
- */
- HArrayOfObject* /* [Ljava.lang.String; */
- java_io_File_list0(struct Hjava_io_File* this)
- {
- char path[MAXPATHLEN];
- DIR* dir;
- struct dirent* entry;
- struct dentry {
- struct dentry* next;
- struct Hjava_lang_String* name;
- };
- struct dentry* dirlist;
- struct dentry* mentry;
- HArrayOfObject* array;
- int count;
- int i;
-
- javaString2CString(unhand(this)->path, path, sizeof(path));
-
- dir = opendir(path);
- if (dir == 0) {
- return (0);
- }
-
- dirlist = 0;
- count = 0;
- while ((entry = readdir(dir)) != 0) {
- /* We skip '.' and '..' */
- if (strcmp(".", entry->d_name) == 0 ||
- strcmp("..", entry->d_name) == 0) {
- continue;
- }
- mentry = malloc(sizeof(struct dentry));
- assert(mentry != 0);
- mentry->name = makeJavaString(entry->d_name, NAMLEN(entry));
- mentry->next = dirlist;
- dirlist = mentry;
- count++;
- }
- closedir(dir);
-
- array = (HArrayOfObject*)AllocObjectArray(count, "java/lang/String");
- assert(array != 0);
- for (i = 0; i < count; i++) {
- mentry = dirlist;
- dirlist = mentry->next;
- unhand(array)->body[i] = (object*)mentry->name;
- free(mentry);
- }
-
- return (array);
- }
-
- /*
- * Is this filename absolute?
- */
- jint /* bool */
- java_io_File_isAbsolute(struct Hjava_io_File* this)
- {
- char str[2];
-
- javaString2CString(unhand(this)->path, str, sizeof(str));
-
- if (str[0] == file_seperator[0]) {
- return (1);
- }
- else {
- return (0);
- }
- }
-