Weird problems compiling bytecode

Edgar Villanueva edgarvil@home.com
Sat Jan 20 11:00:00 GMT 2001


It's not a major problem since I can compile the source files.
Just thought I would report it.
Per Bothner wrote:
> Edgar Villanueva <edgarvil@home.com> writes:
>> > I have been trying to compile the java antlr library in both source and
> > bytecode format.
> > I have been successful compiling the .java files but not the .class
> > files.
> > ...
> > antlr/CppCodeGenerator.java: In class `antlr.CppCodeGenerator':
> > antlr/CppCodeGenerator.java: In method
> > `antlr.CppCodeGenerator(antlr.AlternativeBlock,boolean)':
> > antlr/CppCodeGenerator.java:1585: Tree check: expected integer_cst, have
> > instance_initializers_expr
>> I ran into something similar. I concluded it was a garbage collection
> error. Note this is the garbage collector in the compiler, used to
> manage the data structures in the compiler, not the run-time garbage
> collector that is linked into libgcj. The problem is that the
> constant pool is not registred as a "root".
>> If you're adventurous, please try this patch. The patch is
> bigger than needed, because it also tries to fix a problem
> in how compressed .jar/.zip files are handled. (The existing
> code does not handle compiling a .jar/.zip file specified on
> the command line if the archive is compressed.)
>> Index: class.c
> ===================================================================
> RCS file: /cvs/gcc/egcs/gcc/java/class.c,v
> retrieving revision 1.84
> diff -u -p -r1.84 class.c
> --- class.c 2001年01月15日 08:01:21 1.84
> +++ class.c 2001年01月20日 06:11:53
> @@ -83,6 +83,12 @@ static assume_compiled_node *find_assume
>> static assume_compiled_node *assume_compiled_tree;
>> +static tree class_roots[4] = { NULL_TREE, NULL_TREE, NULL_TREE, NULL_TREE };
> +#define registered_class class_roots[0]
> +#define fields_ident class_roots[1] /* get_identifier ("fields") */
> +#define info_ident class_roots[2] /* get_identifier ("info") */
> +#define class_list class_roots[3]
> +
> /* Return the node that most closely represents the class whose name
> is IDENT. Start the search from NODE. Return NULL if an
> appropriate node does not exist. */
> @@ -978,22 +984,10 @@ build_static_field_ref (fdecl)
> {
> /* Compile as:
> * *(FTYPE*)build_class_ref(FCLASS)->fields[INDEX].info.addr */
> - static tree fields_ident = NULL_TREE;
> - static tree info_ident = NULL_TREE;
> tree ref = build_class_ref (fclass);
> tree fld;
> int field_index = 0;
> ref = build1 (INDIRECT_REF, class_type_node, ref);
> - if (fields_ident == NULL_TREE)
> - {
> - fields_ident = get_identifier ("fields");
> - ggc_add_tree_root (&fields_ident, 1);
> - }
> - if (info_ident == NULL_TREE)
> - {
> - info_ident = get_identifier ("info");
> - ggc_add_tree_root (&info_ident, 1);
> - }
> ref = build (COMPONENT_REF, field_ptr_type_node, ref,
> lookup_field (&class_type_node, fields_ident));
>> @@ -1508,7 +1502,7 @@ is_compiled_class (class)
> if (class == current_class)
> return 2;
>> - seen_in_zip = (TYPE_JCF (class) && TYPE_JCF (class)->seen_in_zip);
> + seen_in_zip = (TYPE_JCF (class) && JCF_SEEN_IN_ZIP (TYPE_JCF (class)));
> if (CLASS_FROM_CURRENTLY_COMPILED_SOURCE_P (class) || seen_in_zip)
> {
> /* The class was seen in the current ZIP file and will be
> @@ -1628,19 +1622,10 @@ void
> layout_class (this_class)
> tree this_class;
> {
> - static tree list = NULL_TREE;
> - static int initialized_p;
> tree super_class = CLASSTYPE_SUPER (this_class);
> tree field;
>> - /* Register LIST with the garbage collector. */
> - if (!initialized_p)
> - {
> - ggc_add_tree_root (&list, 1);
> - initialized_p = 1;
> - }
> -
> - list = tree_cons (this_class, NULL_TREE, list);
> + class_list = tree_cons (this_class, NULL_TREE, class_list);
> if (CLASS_BEING_LAIDOUT (this_class))
> {
> char buffer [1024];
> @@ -1651,7 +1636,7 @@ layout_class (this_class)
> IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (this_class))));
> obstack_grow (&temporary_obstack, buffer, strlen (buffer));
>> - for (current = TREE_CHAIN (list); current;
> + for (current = TREE_CHAIN (class_list); current;
> current = TREE_CHAIN (current))
> {
> tree decl = TYPE_NAME (TREE_PURPOSE (current));
> @@ -1679,7 +1664,7 @@ layout_class (this_class)
> {
> TYPE_SIZE (this_class) = error_mark_node;
> CLASS_BEING_LAIDOUT (this_class) = 0;
> - list = TREE_CHAIN (list);
> + class_list = TREE_CHAIN (class_list);
> return;
> }
> if (TYPE_SIZE (this_class) == NULL_TREE)
> @@ -1721,7 +1706,7 @@ layout_class (this_class)
> {
> TYPE_SIZE (this_class) = error_mark_node;
> CLASS_BEING_LAIDOUT (this_class) = 0;
> - list = TREE_CHAIN (list);
> + class_list = TREE_CHAIN (class_list);
> return;
> }
> }
> @@ -1733,7 +1718,7 @@ layout_class (this_class)
> fold (convert (int_type_node, TYPE_SIZE_UNIT (this_class)));
>> CLASS_BEING_LAIDOUT (this_class) = 0;
> - list = TREE_CHAIN (list);
> + class_list = TREE_CHAIN (class_list);
> }
>> void
> @@ -1845,8 +1830,6 @@ layout_class_method (this_class, super_c
> return dtable_count;
> }
>> -static tree registered_class = NULL_TREE;
> -
> void
> register_class ()
> {
> @@ -1911,7 +1894,9 @@ void
> init_class_processing ()
> {
> registerClass_libfunc = gen_rtx (SYMBOL_REF, Pmode, "_Jv_RegisterClass");
> - ggc_add_tree_root (&registered_class, 1);
> + ggc_add_tree_root (class_roots, sizeof (class_roots) / sizeof (tree));
> + fields_ident = get_identifier ("fields");
> + info_ident = get_identifier ("info");
> ggc_add_rtx_root (&registerClass_libfunc, 1);
> gcc_obstack_init (&temporary_obstack);
> }
> Index: expr.c
> ===================================================================
> RCS file: /cvs/gcc/egcs/gcc/java/expr.c,v
> retrieving revision 1.96
> diff -u -p -r1.96 expr.c
> --- expr.c 2001年01月17日 00:39:09 1.96
> +++ expr.c 2001年01月20日 06:11:55
> @@ -352,8 +352,8 @@ pop_type_0 (type, messagep)
> /* This is a kludge, but matches what Sun's verifier does.
> It can be tricked, but is safe as long as type errors
> (i.e. interface method calls) are caught at run-time. */
> - /* FIXME: this is worse than a kludge, probably. */
> - return object_ptr_type_node;
> + else if (CLASS_INTERFACE (TYPE_NAME (TREE_TYPE (type))))
> + return object_ptr_type_node;
> }
> {
> const char *str1 = "expected type '";
> Index: jcf-io.c
> ===================================================================
> RCS file: /cvs/gcc/egcs/gcc/java/jcf-io.c,v
> retrieving revision 1.27
> diff -u -p -r1.27 jcf-io.c
> --- jcf-io.c 2000年12月10日 20:18:23 1.27
> +++ jcf-io.c 2001年01月20日 06:11:56
> @@ -90,7 +90,7 @@ DEFUN(jcf_filbuf_from_stdio, (jcf, count
>> #include "zipfile.h"
>> -struct ZipFileCache *SeenZipFiles = NULL;
> +struct ZipFile *SeenZipFiles = NULL;
>> /* Open a zip file with the given name, and cache directory and file
> descriptor. If the file is missing, treat it as an empty archive.
> @@ -101,29 +101,29 @@ ZipFile *
> DEFUN(opendir_in_zip, (zipfile, is_system),
> const char *zipfile AND int is_system)
> {
> - struct ZipFileCache* zipf;
> + struct ZipFile* zipf;
> char magic [4];
> int fd;
> for (zipf = SeenZipFiles; zipf != NULL; zipf = zipf->next)
> {
> if (strcmp (zipf->name, zipfile) == 0)
> - return &zipf->z;
> + return zipf;
> }
>> - zipf = ALLOC (sizeof (struct ZipFileCache) + strlen (zipfile) + 1);
> + zipf = ALLOC (sizeof (struct ZipFile) + strlen (zipfile) + 1);
> zipf->next = SeenZipFiles;
> zipf->name = (char*)(zipf+1);
> strcpy (zipf->name, zipfile);
> SeenZipFiles = zipf;
> fd = open (zipfile, O_RDONLY | O_BINARY);
> - zipf->z.fd = fd;
> + zipf->fd = fd;
> if (fd < 0)
> {
> /* A missing zip file is not considered an error.
> We may want to re-consider that. FIXME. */
> - zipf->z.count = 0;
> - zipf->z.dir_size = 0;
> - zipf->z.central_directory = NULL;
> + zipf->count = 0;
> + zipf->dir_size = 0;
> + zipf->central_directory = NULL;
> }
> else
> {
> @@ -131,10 +131,10 @@ DEFUN(opendir_in_zip, (zipfile, is_syste
> if (read (fd, magic, 4) != 4 || GET_u4 (magic) != (JCF_u4)ZIPMAGIC)
> return NULL;
> lseek (fd, 0L, SEEK_SET);
> - if (read_zip_archive (&zipf->z) != 0)
> + if (read_zip_archive (zipf) != 0)
> return NULL;
> }
> - return &zipf->z;
> + return zipf;
> }
>> /* Returns:
> @@ -151,7 +151,6 @@ DEFUN(open_in_zip, (jcf, zipfile, zipmem
> ZipDirectory *zipd;
> int i, len;
> ZipFile *zipf = opendir_in_zip (zipfile, is_system);
> - z_stream d_stream; /* decompression stream */
>> if (zipf == NULL)
> return -2;
> @@ -159,10 +158,6 @@ DEFUN(open_in_zip, (jcf, zipfile, zipmem
> if (!zipmember)
> return 0;
>> - d_stream.zalloc = (alloc_func) 0;
> - d_stream.zfree = (free_func) 0;
> - d_stream.opaque = (voidpf) 0;
> -
> len = strlen (zipmember);
>> zipd = (struct ZipDirectory*) zipf->central_directory;
> @@ -171,11 +166,21 @@ DEFUN(open_in_zip, (jcf, zipfile, zipmem
> if (len == zipd->filename_length &&
> strncmp (ZIPDIR_FILENAME (zipd), zipmember, len) == 0)
> {
> - JCF_ZERO (jcf);
> + JCF_ZERO (jcf);
>> - jcf->filbuf = jcf_unexpected_eof;
> jcf->filename = xstrdup (zipfile);
> jcf->classname = xstrdup (zipmember);
> + return read_zip_member(jcf, zipd, zipf);
> + }
> + }
> + return -1;
> +}
> +
> +int
> +DEFUN(read_zip_member, (jcf, zipd, zipf),
> + JCF *jcf AND ZipDirectory *zipd AND ZipFile *zipf)
> +{
> + jcf->filbuf = jcf_unexpected_eof;
> jcf->zipd = (void *)zipd;
>> if (zipd->compression_method == Z_NO_COMPRESSION)
> @@ -190,7 +195,12 @@ DEFUN(open_in_zip, (jcf, zipfile, zipmem
> }
> else
> {
> + z_stream d_stream; /* decompression stream */
> char *buffer;
> + d_stream.zalloc = (alloc_func) 0;
> + d_stream.zfree = (free_func) 0;
> + d_stream.opaque = (voidpf) 0;
> +
> jcf->buffer = ALLOC (zipd->uncompressed_size);
> d_stream.next_out = jcf->buffer;
> d_stream.avail_out = zipd->uncompressed_size;
> @@ -212,9 +222,6 @@ DEFUN(open_in_zip, (jcf, zipfile, zipmem
> }
>> return 0;
> - }
> - }
> - return -1;
> }
>> #if JCF_USE_STDIO
> Index: jcf-parse.c
> ===================================================================
> RCS file: /cvs/gcc/egcs/gcc/java/jcf-parse.c,v
> retrieving revision 1.69
> diff -u -p -r1.69 jcf-parse.c
> --- jcf-parse.c 2001年01月15日 08:01:21 1.69
> +++ jcf-parse.c 2001年01月20日 06:11:56
> @@ -70,14 +70,16 @@ extern struct obstack permanent_obstack;
> before static field references. */
> extern int always_initialize_class_p;
>> +static tree parse_roots[3] = { NULL_TREE, NULL_TREE, NULL_TREE };
> +
> /* The FIELD_DECL for the current field. */
> -static tree current_field = NULL_TREE;
> +#define current_field parse_roots[0]
>> /* The METHOD_DECL for the current method. */
> -static tree current_method = NULL_TREE;
> +#define current_method parse_roots[1]
>> /* A list of file names. */
> -static tree current_file_list = NULL_TREE;
> +#define current_file_list parse_roots[2]
>> /* The Java .class file that provides main_class; the main input file. */
> static struct JCF main_jcf[1];
> @@ -89,11 +91,30 @@ static void process_zip_dir PARAMS ((FIL
> static void parse_source_file PARAMS ((tree, FILE *));
> static void jcf_parse_source PARAMS ((void));
> static int jcf_figure_file_type PARAMS ((JCF *));
> -static int find_in_current_zip PARAMS ((const char *, struct JCF **));
> static void parse_class_file PARAMS ((void));
> static void set_source_filename PARAMS ((JCF *, int));
> static int predefined_filename_p PARAMS ((tree));
> +static void ggc_mark_jcf PARAMS ((void**));
>> +static void
> +ggc_mark_jcf (elt)
> + void **elt;
> +{
> + JCF *jcf = *(JCF**) elt;
> + if (jcf != NULL)
> + {
> + CPool *cpool = &jcf->cpool;
> + int size = CPOOL_COUNT(cpool);
> + int index;
> + for (index = 1; index < size; index++)
> + {
> + int tag = JPOOL_TAG (jcf, index);
> + if ((tag & CONSTANT_ResolvedFlag) || tag == CONSTANT_Utf8)
> + ggc_mark_tree ((tree) cpool->data[index]);
> + }
> + }
> +}
> +
> /* Handle "SourceFile" attribute. */
>> static void
> @@ -484,47 +505,49 @@ read_class (name)
> tree name;
> {
> JCF this_jcf, *jcf;
> + tree icv, class;
> tree save_current_class = current_class;
> const char *save_input_filename = input_filename;
> JCF *save_current_jcf = current_jcf;
> - long saved_pos = 0;
> - if (current_jcf->read_state)
> - saved_pos = ftell (current_jcf->read_state);
>> - /* Search in current zip first. */
> - if (find_in_current_zip (IDENTIFIER_POINTER (name), &jcf) == 0)
> + if ((icv = IDENTIFIER_CLASS_VALUE (name)) != NULL_TREE)
> {
> + class = TREE_TYPE (icv);
> + jcf = TYPE_JCF (class);
> + }
> + else
> + jcf = NULL;
> +
> + if (jcf == NULL)
> + {
> + this_jcf.zipd = NULL;
> + jcf = &this_jcf;
> if (find_class (IDENTIFIER_POINTER (name), IDENTIFIER_LENGTH (name),
> &this_jcf, 1) == 0)
> return 0;
> - else
> - {
> - this_jcf.seen_in_zip = 0;
> - current_jcf = &this_jcf;
> - }
> }
> - else
> - current_jcf = jcf;
>> + current_jcf = jcf;
> +
> if (current_jcf->java_source)
> jcf_parse_source ();
> else {
> java_parser_context_save_global ();
> java_push_parser_context ();
> input_filename = current_jcf->filename;
> + if (JCF_SEEN_IN_ZIP (current_jcf))
> + read_zip_member(current_jcf, current_jcf->zipd, current_jcf->zipd->zipf);
> jcf_parse (current_jcf);
> java_pop_parser_context (0);
> java_parser_context_restore_global ();
> }
>> - if (!current_jcf->seen_in_zip)
> + if (! JCF_SEEN_IN_ZIP (current_jcf))
> JCF_FINISH (current_jcf);
>> current_class = save_current_class;
> input_filename = save_input_filename;
> current_jcf = save_current_jcf;
> - if (current_jcf->read_state)
> - fseek (current_jcf->read_state, saved_pos, SEEK_SET);
> return 1;
> }
>> @@ -648,7 +671,7 @@ jcf_parse (jcf)
> all_class_list = tree_cons (NULL_TREE,
> TYPE_NAME (current_class), all_class_list );
>> - /* And if we came accross inner classes, load them now. */
> + /* And if we came across inner classes, load them now. */
> for (current = DECL_INNER_CLASS_LIST (TYPE_NAME (current_class)); current;
> current = TREE_CHAIN (current))
> load_class (DECL_NAME (TREE_PURPOSE (current)), 1);
> @@ -932,7 +955,7 @@ yyparse ()
> return 0;
> }
>> -static struct ZipFileCache *localToFile;
> +static struct ZipFile *localToFile;
>> /* Process all class entries found in the zip file. */
> static void
> @@ -941,8 +964,8 @@ parse_zip_file_entries (void)
> struct ZipDirectory *zdir;
> int i;
>> - for (i = 0, zdir = (ZipDirectory *)localToFile->z.central_directory;
> - i < localToFile->z.count; i++, zdir = ZIPDIR_NEXT (zdir))
> + for (i = 0, zdir = (ZipDirectory *)localToFile->central_directory;
> + i < localToFile->count; i++, zdir = ZIPDIR_NEXT (zdir))
> {
> tree class;
>> @@ -956,7 +979,7 @@ parse_zip_file_entries (void)
>> if ( !CLASS_LOADED_P (class))
> {
> - fseek (current_jcf->read_state, current_jcf->zip_offset, SEEK_SET);
> + read_zip_member(current_jcf, zdir, localToFile);
> jcf_parse (current_jcf);
> }
>> @@ -982,8 +1005,8 @@ process_zip_dir (FILE *finput)
> int i;
> ZipDirectory *zdir;
>> - for (i = 0, zdir = (ZipDirectory *)localToFile->z.central_directory;
> - i < localToFile->z.count; i++, zdir = ZIPDIR_NEXT (zdir))
> + for (i = 0, zdir = (ZipDirectory *)localToFile->central_directory;
> + i < localToFile->count; i++, zdir = ZIPDIR_NEXT (zdir))
> {
> char *class_name, *file_name, *class_name_in_zip_dir;
> tree class;
> @@ -1023,42 +1046,15 @@ process_zip_dir (FILE *finput)
>> jcf->read_state = finput;
> jcf->filbuf = jcf_filbuf_from_stdio;
> - jcf->seen_in_zip = 1;
> jcf->java_source = 0;
> - jcf->zip_offset = zdir->filestart;
> jcf->classname = class_name;
> jcf->filename = file_name;
> + jcf->zipd = zdir;
>> TYPE_JCF (class) = jcf;
> }
> }
>> -/* Lookup class NAME and figure whether is a class already found in the current
> - zip file. */
> -static int
> -DEFUN(find_in_current_zip, (name, length, jcf),
> - const char *name AND JCF **jcf)
> -{
> - JCF *local_jcf;
> - tree class_name = maybe_get_identifier (name), class, icv;
> -
> - if (!class_name)
> - return 0;
> -
> - if (!(icv = IDENTIFIER_CLASS_VALUE (class_name)))
> - return 0;
> -
> - class = TREE_TYPE (icv);
> -
> - /* Doesn't have jcf specific info ? It's not ours */
> - if (!TYPE_JCF (class))
> - return 0;
> -
> - *jcf = local_jcf = TYPE_JCF (class);
> - fseek (local_jcf->read_state, local_jcf->zip_offset, SEEK_SET);
> - return 1;
> -}
> -
> /* Figure what kind of file we're dealing with */
> static int
> DEFUN(jcf_figure_file_type, (jcf),
> @@ -1080,8 +1076,7 @@ DEFUN(jcf_figure_file_type, (jcf),
> if (magic == (JCF_u4)ZIPMAGIC
> && !open_in_zip (jcf, input_filename, NULL, 0))
> {
> - localToFile = ALLOC (sizeof (struct ZipFileCache));
> - memcpy (localToFile, SeenZipFiles, sizeof (struct ZipFileCache));
> + localToFile = SeenZipFiles;
> /* Register all the class defined there. */
> process_zip_dir (jcf->read_state);
> return JCF_ZIP;
> @@ -1096,7 +1091,7 @@ void
> init_jcf_parse ()
> {
> /* Register roots with the garbage collector. */
> - ggc_add_tree_root (&current_field, 1);
> - ggc_add_tree_root (&current_method, 1);
> - ggc_add_tree_root (&current_file_list, 1);
> + ggc_add_tree_root (parse_roots, sizeof (parse_roots) / sizeof(tree));
> +
> + ggc_add_root (&current_jcf, 1, sizeof (JCF), ggc_mark_jcf);
> }
> Index: jcf.h
> ===================================================================
> RCS file: /cvs/gcc/egcs/gcc/java/jcf.h,v
> retrieving revision 1.19
> diff -u -p -r1.19 jcf.h
> --- jcf.h 2000年10月20日 21:19:29 1.19
> +++ jcf.h 2001年01月20日 06:11:57
> @@ -83,6 +83,8 @@ typedef struct CPool {
> jword* data;
> } CPool;
>> +struct ZipDirectory;
> +
> /* JCF encapsulates the state of reading a Java Class File. */
>> typedef struct JCF {
> @@ -90,18 +92,18 @@ typedef struct JCF {
> unsigned char *buffer_end;
> unsigned char *read_ptr;
> unsigned char *read_end;
> - int seen_in_zip;
> int java_source;
> - long zip_offset;
> jcf_filbuf_t filbuf;
> void *read_state;
> const char *filename;
> const char *classname;
> - void *zipd; /* Directory entry where it was found */
> + struct ZipDirectory *zipd; /* Directory entry where it was found */
> JCF_u2 access_flags, this_class, super_class;
> CPool cpool;
> } JCF;
> /*typedef JCF* JCF_FILE;*/
> +
> +#define JCF_SEEN_IN_ZIP(JCF) ((JCF)->zipd != NULL)
>> /* The CPOOL macros take a (pointer to a) CPool.
> The JPOOL macros take a (pointer to a) JCF.
> Index: verify.c
> ===================================================================
> RCS file: /cvs/gcc/egcs/gcc/java/verify.c,v
> retrieving revision 1.35
> diff -u -p -r1.35 verify.c
> --- verify.c 2001年01月14日 21:48:10 1.35
> +++ verify.c 2001年01月20日 06:12:06
> @@ -232,7 +232,7 @@ merge_type_state (label)
> int cur_length = stack_pointer + nlocals;
> tree vec = LABEL_TYPE_STATE (label);
> tree return_map;
> - if (vec == NULL_TREE || !LABEL_VERIFIED (label))
> + if (vec == NULL_TREE)
> {
> if (!vec)
> {
> Index: zextract.c
> ===================================================================
> RCS file: /cvs/gcc/egcs/gcc/java/zextract.c,v
> retrieving revision 1.10
> diff -u -p -r1.10 zextract.c
> --- zextract.c 2000年09月06日 02:13:28 1.10
> +++ zextract.c 2001年01月20日 06:12:07
> @@ -331,6 +331,7 @@ read_zip_archive (zipf)
> zipd->compression_method = compression_method;
> zipd->size = size;
> zipd->uncompressed_size = uncompressed_size;
> + zipd->zipf = zipf;
> #ifdef __GNUC__
> #define DIR_ALIGN __alignof__(ZipDirectory)
> #else
> Index: zipfile.h
> ===================================================================
> RCS file: /cvs/gcc/egcs/gcc/java/zipfile.h,v
> retrieving revision 1.10
> diff -u -p -r1.10 zipfile.h
> --- zipfile.h 2000年12月10日 03:53:33 1.10
> +++ zipfile.h 2001年01月20日 06:12:07
> @@ -22,11 +22,15 @@ of Sun Microsystems, Inc. in the United
> The Free Software Foundation is independent of Sun Microsystems, Inc. */
>> struct ZipFile {
> + char *name;
> int fd;
> long size;
> long count;
> long dir_size;
> char *central_directory;
> +
> + /* Chain together in SeenZipFiles. */
> + struct ZipFile *next;
> };
>> typedef struct ZipFile ZipFile;
> @@ -38,6 +42,7 @@ struct ZipDirectory {
> unsigned size; /* length of file */
> unsigned uncompressed_size; /* length of uncompressed data */
> unsigned filestart; /* start of file in archive */
> + ZipFile *zipf;
> int filename_length;
> /* char mid_padding[...]; */
> /* char filename[filename_length]; */
> @@ -45,14 +50,8 @@ struct ZipDirectory {
> };
>> typedef struct ZipDirectory ZipDirectory;
> -
> -struct ZipFileCache {
> - struct ZipFile z;
> - struct ZipFileCache *next;
> - char *name;
> -};
>> -extern struct ZipFileCache *SeenZipFiles;
> +extern struct ZipFile *SeenZipFiles;
>> #define ZIPDIR_FILENAME(ZIPD) ((char*)(ZIPD)+(ZIPD)->filename_offset)
> #define ZIPDIR_NEXT(ZIPD) \
> @@ -62,6 +61,7 @@ extern struct ZipFileCache *SeenZipFiles
> extern ZipFile * opendir_in_zip PARAMS ((const char *, int));
> extern int read_zip_archive PARAMS ((ZipFile *));
> #ifdef JCF_ZIP
> +extern int read_zip_member PARAMS ((JCF*, ZipDirectory*, ZipFile *));
> extern int open_in_zip PARAMS ((struct JCF *, const char *,
> const char *, int));
> #endif
>> --
> --Per Bothner
> per@bothner.com http://www.bothner.com/~per/



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