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+/* $Xorg: util.h,v 1.3 2000/08/17 19:46:34 cpqbld Exp $ */
+/* Copyright International Business Machines,Corp. 1991
+ * All Rights Reserved
+ *
+ * License to use, copy, modify, and distribute this software
+ * and its documentation for any purpose and without fee is
+ * hereby granted, provided that the above copyright notice
+ * appear in all copies and that both that copyright notice and
+ * this permission notice appear in supporting documentation,
+ * and that the name of IBM not be used in advertising or
+ * publicity pertaining to distribution of the software without
+ * specific, written prior permission.
+ *
+ * IBM PROVIDES THIS SOFTWARE "AS IS", WITHOUT ANY WARRANTIES
+ * OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT
+ * LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, AND NONINFRINGEMENT OF
+ * THIRD PARTY RIGHTS. THE ENTIRE RISK AS TO THE QUALITY AND
+ * PERFORMANCE OF THE SOFTWARE, INCLUDING ANY DUTY TO SUPPORT
+ * OR MAINTAIN, BELONGS TO THE LICENSEE. SHOULD ANY PORTION OF
+ * THE SOFTWARE PROVE DEFECTIVE, THE LICENSEE (NOT IBM) ASSUMES
+ * THE ENTIRE COST OF ALL SERVICING, REPAIR AND CORRECTION. IN
+ * NO EVENT SHALL IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
+ * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
+ * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+#ifndef UTIL_H
+#define UTIL_H
+
+
+#ifndef boolean
+typedef int boolean;
+#endif
+
+#ifndef TRUE
+#define TRUE (1)
+#endif
+
+#ifndef FALSE
+#define FALSE (0)
+#endif
+
+/***================================================================***/
+/* Portable definitions for 2's complement machines.
+ * NOTE: These really should be based on PostScript types,
+ * for example, sizeof(ps_integer), or sizeof(ps_unsigned)
+ */
+#define MAX_ULONG (~(unsigned long)(0))
+/* This code is portable, assuming K&R C and 2's complement arithmetic */
+#define MAX_INTEGER \
+ ((long)((((unsigned long) 1)<<(sizeof(unsigned long)*8-1))-1))
+#define MIN_INTEGER ((-MAX_INTEGER)-1)
+
+#define MAX_ARRAY_CNT (65535)
+#define MAX_DICT_CNT (65535)
+#define MAX_STRING_LEN (65535)
+#define MAX_NAME_LEN (128)
+
+/* this is the size of memory allocated for reading fonts */
+
+#define VM_SIZE (50*1024)
+/***================================================================***/
+
+#ifndef MIN
+#define MIN(a,b) (((a)<(b)) ? a : b )
+#endif
+
+/***================================================================***/
+/* Routines for managing virtual memory */
+/***================================================================***/
+extern boolean vm_init();
+extern long vm_free;
+extern long vm_size;
+extern char *vm_next;
+extern char *vm_alloc();
+/***================================================================***/
+/* Macros for managing virtual memory */
+/***================================================================***/
+#define vm_next_byte() (vm_next)
+#define vm_free_bytes() (vm_free)
+#define vm_avail(B) (B <= vm_free)
+
+
+
+/***================================================================***/
+/* Types of PostScript objects */
+/***================================================================***/
+#define OBJ_INTEGER (0)
+#define OBJ_REAL (1)
+#define OBJ_BOOLEAN (2)
+#define OBJ_ARRAY (3)
+#define OBJ_STRING (4)
+#define OBJ_NAME (5)
+#define OBJ_FILE (6)
+#define OBJ_ENCODING (7)
+
+/***================================================================***/
+/* Value of PostScript objects */
+/***================================================================***/
+typedef union ps_value {
+ char *valueP; /* value pointer for unspecified type */
+ int value; /* value for unspecified type */
+ int integer; /* when type is OBJ_INTEGER */
+ float real; /* when type is OBJ_REAL */
+ int boolean; /* when type is OBJ_BOOLEAN */
+ struct ps_obj *arrayP; /* when type is OBJ_ARRAY */
+ unsigned char *stringP; /* when type is OBJ_STRING */
+ char *nameP; /* when type is OBJ_NAME */
+ FILE *fileP; /* when type is OBJ_FILE */
+} psvalue;
+
+/***================================================================***/
+/* Definition of a PostScript object */
+/***================================================================***/
+typedef struct ps_obj {
+ char type;
+ char unused;
+ unsigned short len;
+ union ps_value data;
+} psobj;
+
+/***================================================================***/
+/* Definition of a PostScript Dictionary Entry */
+/***================================================================***/
+typedef struct ps_dict {
+ psobj key;
+ psobj value;
+} psdict;
+
+/***================================================================***/
+/* Macros for testing type of PostScript objects */
+/***================================================================***/
+#define objIsInteger(o) ((o).type == OBJ_INTEGER)
+#define objIsReal(o) ((o).type == OBJ_REAL)
+#define objIsBoolean(o) ((o).type == OBJ_BOOLEAN)
+#define objIsArray(o) ((o).type == OBJ_ARRAY)
+#define objIsString(o) ((o).type == OBJ_STRING)
+#define objIsName(o) ((o).type == OBJ_NAME)
+#define objIsFile(o) ((o).type == OBJ_FILE)
+
+/***================================================================***/
+/* Macros for setting type of PostScript objects */
+/***================================================================***/
+#define objSetInteger(o) ((o).type = OBJ_INTEGER)
+#define objSetReal(o) ((o).type = OBJ_REAL)
+#define objSetBoolean(o) ((o).type = OBJ_BOOLEAN)
+#define objSetArray(o) ((o).type = OBJ_ARRAY)
+#define objSetString(o) ((o).type = OBJ_STRING)
+#define objSetName(o) ((o).type = OBJ_NAME)
+#define objSetFile(o) ((o).type = OBJ_FILE)
+
+/***================================================================***/
+/* Macros for testing type of PostScript objects (pointer access) */
+/***================================================================***/
+#define objPIsInteger(o) ((o)->type == OBJ_INTEGER)
+#define objPIsReal(o) ((o)->type == OBJ_REAL)
+#define objPIsBoolean(o) ((o)->type == OBJ_BOOLEAN)
+#define objPIsArray(o) ((o)->type == OBJ_ARRAY)
+#define objPIsString(o) ((o)->type == OBJ_STRING)
+#define objPIsName(o) ((o)->type == OBJ_NAME)
+#define objPIsFile(o) ((o)->type == OBJ_FILE)
+
+/***================================================================***/
+/* Macros for setting type of PostScript objects (pointer access) */
+/***================================================================***/
+#define objPSetInteger(o) ((o)->type = OBJ_INTEGER)
+#define objPSetReal(o) ((o)->type = OBJ_REAL)
+#define objPSetBoolean(o) ((o)->type = OBJ_BOOLEAN)
+#define objPSetArray(o) ((o)->type = OBJ_ARRAY)
+#define objPSetString(o) ((o)->type = OBJ_STRING)
+#define objPSetName(o) ((o)->type = OBJ_NAME)
+#define objPSetFile(o) ((o)->type = OBJ_FILE)
+
+/***================================================================***/
+/* Entry point for Type1Char to get entry from CharStrings */
+/***================================================================***/
+extern psobj *GetType1CharString();
+
+#endif