wrc: Add support for zlib-compressed resources.

configure.ac

@@ -84,6 +84,7 @@ AC_ARG_WITH(xshm,      AS_HELP_STRING([--without-xshm],[do not use XShm (shared
             [if test "x$withval" = "xno"; then ac_cv_header_X11_extensions_XShm_h=no; fi])
 AC_ARG_WITH(xxf86vm,   AS_HELP_STRING([--without-xxf86vm],[do not use XFree video mode extension]),
             [if test "x$withval" = "xno"; then ac_cv_header_X11_extensions_xf86vmode_h=no; ac_cv_header_X11_extensions_xf86vmproto_h=no; fi])
+AC_ARG_WITH(zlib,      AS_HELP_STRING([--without-zlib],[do not use zlib]))
 
 AC_ARG_WITH(system-dllpath,AS_HELP_STRING([--with-system-dllpath=PATH],[load external PE dependencies from colon-separated path PATH]),
             AC_SUBST(system_dllpath,[$withval]))
@@ -1522,6 +1523,15 @@ WINE_NOTICE_WITH(gphoto,[test "$ac_cv_lib_gphoto2_gp_camera_new" != "yes"],
 WINE_NOTICE_WITH(gphoto,[test "$ac_cv_lib_gphoto2_port_gp_port_info_list_new" != "yes"],
                  [libgphoto2_port ${notice_platform}development files not found, digital cameras won't be auto-detected.])
 
+dnl **** Check for zlib ****
+if test "x$with_zlib" != "xno"
+then
+    WINE_PACKAGE_FLAGS(ZLIB,[zlib],,,,
+        [AC_CHECK_HEADERS([zlib.h])
+         AC_CHECK_LIB(z,compress,[:],[ZLIB_LIBS=""],[$ZLIB_LIBS])])
+fi
+WINE_NOTICE_WITH(zlib,[test "$ac_cv_header_zlib_h" != "yes"],
+                 [libz ${notice_platform}development files not found (or too old), wrc compressed resources won't be supported.])
 
 dnl **** Check for resolver library ***
 if test "$ac_cv_header_resolv_h" = "yes"

tools/wrc/Makefile.in

@@ -1,5 +1,5 @@
 PROGRAMS = wrc
-UNIX_LIBS = $(GETTEXTPO_LIBS)
+UNIX_LIBS = $(GETTEXTPO_LIBS) $(ZLIB_LIBS)
 
 SOURCES = \
 	genres.c \

tools/wrc/genres.c

@@ -34,6 +34,10 @@
 #include <assert.h>
 #include <ctype.h>
 
+#ifdef HAVE_ZLIB_H
+# include <zlib.h>
+#endif
+
 #include "../tools.h"
 #include "wrc.h"
 #include "utils.h"
@@ -959,6 +963,21 @@ static void user2res(name_id_t *name, user_t *usr)
 		put_dword(4);		/* ResSize overwritten later*/
 	}
 
+#ifdef HAVE_ZLIB_H
+	if (compress_data)
+	{
+		uLongf size = compressBound(usr->data->size);
+		Bytef *compressed = xmalloc(size);
+		compress(compressed, &size, (Bytef *)usr->data->data, usr->data->size);
+		put_dword(0);
+		put_dword(usr->data->size);
+		put_data(compressed, size);
+		free(compressed);
+		set_res_size(tag);
+		return;
+	}
+#endif
+
 	put_data(usr->data->data, usr->data->size);
 	set_res_size(tag);
 }

tools/wrc/wrc.c

@@ -64,6 +64,7 @@ static const char usage[] =
 	"   -v, --verbose              Enable verbose mode\n"
 	"   --verify-translations      Check the status of the various translations\n"
 	"   --version                  Print version and exit\n"
+	"   -z                         Compress the resource with zlib\n"
 	"Input is taken from stdin if no sourcefile specified.\n"
 	"Debug level 'n' is a bitmask with following meaning:\n"
 	"    * 0x01 Tell which resource is parsed (verbose mode)\n"
@@ -127,6 +128,8 @@ int utf8_input = 0;
 
 int check_utf8 = 1;  /* whether to check for valid utf8 */
 
+int compress_data = 0;
+
 static char *output_name;	/* The name given by the -o option */
 const char *input_name = NULL;	/* The name given on the command-line */
 static struct strarray input_files;
@@ -165,7 +168,7 @@ enum long_options_values
 };
 
 static const char short_options[] =
-	"b:D:Ef:F:hi:I:J:l:m:o:O:ruU:v";
+	"b:D:Ef:F:hi:I:J:l:m:o:O:ruU:vz";
 static const struct long_option long_options[] = {
 	{ "debug", 1, LONG_OPT_DEBUG },
 	{ "define", 1, 'D' },
@@ -376,6 +379,9 @@ static void option_callback( int optc, char *optarg )
     case 'v':
         debuglevel = DEBUGLEVEL_CHAT;
         break;
+    case 'z':
+        compress_data = 1;
+        break;
     case '?':
         fprintf(stderr, "wrc: %s\n\n%s", optarg, usage);
         exit(1);

tools/wrc/wrc.h

@@ -40,6 +40,7 @@ extern int preprocess_only;
 extern int no_preprocess;
 extern int utf8_input;
 extern int check_utf8;
+extern int compress_data;
 
 extern const char *input_name;
 extern const char *nlsdirs[];

tools/wrc/wrc.man.in

@@ -135,6 +135,10 @@ Turns on verbose mode (equivalent to \fB-d 1\fR).
 .TP
 .I \fB\-\-version\fR
 Print version and exit.
+.TP
+.I \fB\-z\fR
+Compress the resource data, prepending a 32bit zero value followed by the
+decompressed size as a 32bit integer.
 .SH PREPROCESSOR
 The preprocessor is ANSI\-C compatible with some of the extensions of 
 the gcc preprocessor.