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+/**CHeaderFile*****************************************************************
+
+ FileName [ util.h ]
+
+ PackageName [ util ]
+
+ Synopsis [ Very low-level utilities ]
+
+ Description [ Includes file access, pipes, forks, time, and temporary file
+ access. ]
+
+ Author [ Stephen Edwards <sedwards@eecs.berkeley.edu> and many others]
+
+ Copyright [Copyright (c) 1994-1996 The Regents of the Univ. of California.
+ All rights reserved.
+
+ Permission is hereby granted, without written agreement and without license
+ or royalty fees, to use, copy, modify, and distribute this software and its
+ documentation for any purpose, provided that the above copyright notice and
+ the following two paragraphs appear in all copies of this software.
+
+ IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
+ DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
+ OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
+ CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+ THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
+ INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN
+ "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO PROVIDE
+ MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.]
+
+ Revision [$Id: util.h,v 1.11 1998/05/04 02:05:08 hsv Exp $]
+
+******************************************************************************/
+
+#ifndef _UTIL
+#define _UTIL
+
+////////////////////////////////////////////
+#include "leaks.h"
+////////////////////////////////////////////
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+
+//////////////// added by alanmi, November 22, 2001 ////////////////
+//#include <ctype.h>
+#include <time.h>
+#include <signal.h>
+
+#ifndef SIGALRM
+#define SIGALRM SIGINT
+#endif
+
+#ifndef SIGSTOP
+#define SIGSTOP SIGINT
+#endif
+
+#ifndef SIGXCPU
+#define SIGXCPU SIGINT
+#endif
+
+#ifndef SIGUSR1
+#define SIGUSR1 SIGINT
+#endif
+
+#ifndef SIGKILL
+#define SIGKILL SIGINT
+#endif
+
+#ifndef HUGE
+#define HUGE HUGE_VAL
+#endif
+
+#if defined(__STDC__)
+#define SIGNAL_FN void
+#endif
+
+#define alarm(n) ((void)0)
+#define kill(a,b) ((void)0)
+
+#define random rand
+#define srandom srand
+////////////////////////////////////////////////////////////////////
+
+
+#if HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+
+#if HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+
+#if HAVE_VARARGS_H
+///////////////////////////////////////
+#undef __STDC__
+# include <varargs.h>
+#define __STDC__ 1
+////////////////// alanmi Feb 03, 2001
+#endif
+
+#ifndef STDC_HEADERS
+#define STDC_HEADERS 1
+#endif
+
+#ifndef HAVE_STRCHR
+#define HAVE_STRCHR 1
+#endif
+
+#ifndef HAVE_GETENV
+#define HAVE_GETENV 1
+#endif
+
+#if STDC_HEADERS
+//# include <stdlib.h>
+# include <string.h>
+#else
+# ifdef HAVE_STRCHR
+char * strchr();
+int strcmp();
+# else
+# define strchr index
+# endif
+# ifdef HAVE_GETENV
+char * getenv();
+# endif
+#endif /* STDC_HEADERS */
+
+#if HAVE_ERRNO_H
+# include <errno.h>
+#endif
+
+/*
+ * Ensure we have reasonable assert() and fail() functions
+ */
+
+#ifndef HAVE_ASSERT_H
+#define HAVE_ASSERT_H 1
+#endif
+
+#if HAVE_ASSERT_H
+# include <assert.h>
+#else
+# ifdef NDEBUG
+# define assert(ex) ;
+# else
+# define assert(ex) {\
+ if (! (ex)) {\
+ (void) fprintf(stderr,\
+ "Assertion failed: file %s, line %d\n\"%s\"\n",\
+ __FILE__, __LINE__, "ex");\
+ (void) fflush(stdout);\
+ abort();\
+ }\
+}
+# endif
+#endif
+
+#define fail(why) {\
+ (void) fprintf(stderr, "Fatal error: file %s, line %d\n%s\n",\
+ __FILE__, __LINE__, why);\
+ (void) fflush(stdout);\
+ abort();\
+}
+
+/*
+ * Support for ANSI function prototypes in non-ANSI compilers
+ *
+ * Usage:
+ * extern int foo ARGS((char *, double))
+ */
+
+#ifndef ARGS
+# ifdef __STDC__
+# define ARGS(args) args
+# else
+# define ARGS(args) ()
+# endif
+#endif
+
+#ifndef NULLARGS
+# ifdef __STDC__
+# define NULLARGS (void)
+# else
+# define NULLARGS ()
+# endif
+#endif
+
+/*
+ * A little support for C++ compilers
+ */
+
+#ifdef __cplusplus
+# define EXTERN extern "C"
+#else
+# define EXTERN extern
+#endif
+
+/*
+ * Support to define unused varibles
+ */
+#if (__GNUC__ >2 || __GNUC_MINOR__ >=7) && !defined(UNUSED)
+#define UNUSED __attribute__ ((unused))
+#else
+#define UNUSED
+#endif
+
+/*
+ * A neater way to define zero pointers
+ *
+ * Usage:
+ * int * fred;
+ * fred = NIL(int);
+ */
+
+#define NIL(type) ((type *) 0)
+
+/*
+ * Left over from SIS and Octtools:
+ */
+
+//#define USE_MM
+// uncommented this line,
+// because to detect memory leaks, we need to work with malloc(), etc directly
+#define USE_MM
+
+
+
+#ifdef USE_MM
+/*
+ * assumes the memory manager is libmm.a (a deprecated (?) Octtools library)
+ * - allows malloc(0) or realloc(obj, 0)
+ * - catches out of memory (and calls MMout_of_memory())
+ * - catch free(0) and realloc(0, size) in the macros
+ */
+# define ALLOC(type, num) \
+ ((type *) malloc(sizeof(type) * (num)))
+# define REALLOC(type, obj, num) \
+ (obj) ? ((type *) realloc((char *) obj, sizeof(type) * (num))) : \
+ ((type *) malloc(sizeof(type) * (num)))
+# define FREE(obj) \
+ ((obj) ? (free((char *) (obj)), (obj) = 0) : 0)
+#else
+/*
+ * enforce strict semantics on the memory allocator
+ */
+# define ALLOC(type, num) \
+ ((type *) MMalloc((long) sizeof(type) * (long) (num)))
+# define REALLOC(type, obj, num) \
+ ((type *) MMrealloc((char *) (obj), (long) sizeof(type) * (long) (num)))
+# define FREE(obj) \
+ ((obj) ? (free((void *) (obj)), (obj) = 0) : 0)
+EXTERN void MMout_of_memory ARGS((long));
+EXTERN char *MMalloc ARGS((long));
+EXTERN char *MMrealloc ARGS((char *, long));
+EXTERN void MMfree ARGS((char *));
+#endif
+
+#ifndef TRUE
+# define TRUE 1
+#endif
+
+#ifndef FALSE
+# define FALSE 0
+#endif
+
+#ifndef ABS
+# define ABS(a) ((a) < 0 ? -(a) : (a))
+#endif
+
+#ifndef MAX
+# define MAX(a,b) ((a) > (b) ? (a) : (b))
+#endif
+
+#ifndef MIN
+# define MIN(a,b) ((a) < (b) ? (a) : (b))
+#endif
+
+#define ptime() util_cpu_time()
+#define print_time(t) util_print_time(t)
+
+#ifndef HUGE_VAL
+# ifndef HUGE
+# define HUGE 8.9884656743115790e+307
+# endif
+# define HUGE_VAL HUGE
+#endif
+
+#ifndef MAXINT
+# define MAXINT (1 << 30)
+#endif
+
+EXTERN void util_print_cpu_stats ARGS((FILE *));
+EXTERN long util_cpu_time ARGS((void));
+EXTERN void util_getopt_reset ARGS((void));
+EXTERN int util_getopt ARGS((int, char **, char *));
+EXTERN char *util_path_search ARGS((char *));
+EXTERN char *util_file_search ARGS((char *, char *, char *));
+EXTERN char *util_print_time ARGS((long));
+EXTERN int util_save_image ARGS((char *, char *));
+EXTERN char *util_strsav ARGS((char *));
+EXTERN char *util_inttostr ARGS((int));
+EXTERN char *util_strcat3 ARGS((char *, char *, char *));
+EXTERN char *util_strcat4 ARGS((char *, char *, char *, char *));
+EXTERN int util_do_nothing ARGS((void));
+EXTERN char *util_tilde_expand ARGS((char *));
+EXTERN char *util_tempnam ARGS((char *, char *));
+EXTERN FILE *util_tmpfile ARGS((void));
+EXTERN void util_srandom ARGS((long));
+EXTERN long util_random ARGS(());
+EXTERN int getSoftDataLimit ARGS(());
+
+/*
+ * Global variables for util_getopt()
+ */
+
+extern int util_optind;
+extern char *util_optarg;
+
+/**AutomaticStart*************************************************************/
+
+/*---------------------------------------------------------------------------*/
+/* Function prototypes */
+/*---------------------------------------------------------------------------*/
+
+/**AutomaticEnd***************************************************************/
+
+#endif /* _UTIL */
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