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204 lines
5.3 KiB
204 lines
5.3 KiB
/* $Id: util.h,v 1.10 2012/02/05 05:34:04 fabio Exp fabio $ */
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#ifndef UTIL_H
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#define UTIL_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined(__GNUC__)
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# define UTIL_INLINE __inline__
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# if __GNUC__ > 2 || __GNUC_MINOR__ >= 7
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# define UTIL_UNUSED __attribute__ ((unused))
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# else
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# define UTIL_UNUSED
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# endif
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#else
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# define UTIL_INLINE
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# define UTIL_UNUSED
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#endif
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#ifndef SIZEOF_VOID_P
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#define SIZEOF_VOID_P 4
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#endif
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#ifndef SIZEOF_INT
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#define SIZEOF_INT 4
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#endif
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#ifndef SIZEOF_LONG
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#define SIZEOF_LONG 4
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#endif
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#if SIZEOF_VOID_P == 8 && SIZEOF_INT == 4
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typedef long util_ptrint;
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#else
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typedef int util_ptrint;
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#endif
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/* #define USE_MM */ /* choose libmm.a as the memory allocator */
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/* these are too entrenched to get away with changing the name */
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#define strsav util_strsav
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#include <unistd.h>
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#define NIL(type) ((type *) 0)
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#if defined(USE_MM) || defined(MNEMOSYNE)
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/*
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* assumes the memory manager is either libmm.a or libmnem.a
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* libmm.a:
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* - allows malloc(0) or realloc(obj, 0)
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* - catches out of memory (and calls MMout_of_memory())
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* - catch free(0) and realloc(0, size) in the macros
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* libmnem.a:
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* - reports memory leaks
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* - is used in conjunction with the mnemalyse postprocessor
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*/
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#ifdef MNEMOSYNE
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#include "mnemosyne.h"
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#define ALLOC(type, num) \
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((num) ? ((type *) malloc(sizeof(type) * (num))) : \
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((type *) malloc(sizeof(long))))
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#else
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#define ALLOC(type, num) \
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((type *) malloc(sizeof(type) * (num)))
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#endif
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#define REALLOC(type, obj, num) \
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(obj) ? ((type *) realloc((char *) obj, sizeof(type) * (num))) : \
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((type *) malloc(sizeof(type) * (num)))
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#define FREE(obj) \
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((obj) ? (free((char *) (obj)), (obj) = 0) : 0)
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#else
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/*
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* enforce strict semantics on the memory allocator
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* - when in doubt, delete the '#define USE_MM' above
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*/
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#define ALLOC(type, num) \
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((type *) MMalloc((long) sizeof(type) * (long) (num)))
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#define REALLOC(type, obj, num) \
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((type *) MMrealloc((char *) (obj), (long) sizeof(type) * (long) (num)))
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#define FREE(obj) \
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((obj) ? (free((char *) (obj)), (obj) = 0) : 0)
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#endif
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/* Ultrix (and SABER) have 'fixed' certain functions which used to be int */
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#if defined(ultrix) || defined(SABER) || defined(aiws) || defined(hpux) || defined(apollo) || defined(__osf__) || defined(__SVR4) || defined(__GNUC__)
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#define VOID_OR_INT void
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#define VOID_OR_CHAR void
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#else
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#define VOID_OR_INT int
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#define VOID_OR_CHAR char
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#endif
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/* No machines seem to have much of a problem with these */
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#include <stdio.h>
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#include <ctype.h>
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/* Some machines fail to define some functions in stdio.h */
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#if !defined(__STDC__) && !defined(__cplusplus)
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extern FILE *popen(), *tmpfile();
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extern int pclose();
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#endif
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/* most machines don't give us a header file for these */
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#if (defined(__STDC__) || defined(__cplusplus) || defined(ultrix)) && !defined(MNEMOSYNE) || defined(__SVR4)
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# include <stdlib.h>
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#else
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# ifndef _IBMR2
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extern VOID_OR_INT abort(), exit();
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# endif
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# if !defined(MNEMOSYNE) && !defined(_IBMR2)
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extern VOID_OR_INT free (void *);
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extern VOID_OR_CHAR *malloc(), *realloc();
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# endif
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extern char *getenv();
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extern int system();
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extern double atof();
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#endif
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/* some call it strings.h, some call it string.h; others, also have memory.h */
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#if defined(__STDC__) || defined(__cplusplus) || defined(_IBMR2) || defined(ultrix)
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#include <string.h>
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#else
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/* ANSI C string.h -- 1/11/88 Draft Standard */
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extern char *strcpy(), *strncpy(), *strcat(), *strncat(), *strerror();
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extern char *strpbrk(), *strtok(), *strchr(), *strrchr(), *strstr();
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extern int strcoll(), strxfrm(), strncmp(), strlen(), strspn(), strcspn();
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extern char *memmove(), *memccpy(), *memchr(), *memcpy(), *memset();
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extern int memcmp(), strcmp();
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#endif
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#ifdef __STDC__
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#include <assert.h>
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#else
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#ifndef NDEBUG
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#define assert(ex) {\
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if (! (ex)) {\
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(void) fprintf(stderr,\
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"Assertion failed: file %s, line %d\n\"%s\"\n",\
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__FILE__, __LINE__, "ex");\
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(void) fflush(stdout);\
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abort();\
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}\
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}
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#else
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#define assert(ex) ;
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#endif
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#endif
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#define fail(why) {\
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(void) fprintf(stderr, "Fatal error: file %s, line %d\n%s\n",\
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__FILE__, __LINE__, why);\
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(void) fflush(stdout);\
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abort();\
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}
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#ifdef lint
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#undef putc /* correct lint '_flsbuf' bug */
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#undef ALLOC /* allow for lint -h flag */
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#undef REALLOC
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#define ALLOC(type, num) (((type *) 0) + (num))
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#define REALLOC(type, obj, num) ((obj) + (num))
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#endif
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/* These arguably do NOT belong in util.h */
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#define ABS(a) ((a) < 0 ? -(a) : (a))
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#define MAX(a,b) ((a) > (b) ? (a) : (b))
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#define MIN(a,b) ((a) < (b) ? (a) : (b))
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#ifndef USE_MM
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extern char *MMalloc (long);
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extern void MMout_of_memory (long);
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extern void (*MMoutOfMemory) (long);
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extern char *MMrealloc (char *, long);
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#endif
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extern long util_cpu_time (void);
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extern char *util_path_search (char const *);
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extern char *util_file_search (char const *, char *, char const *);
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extern int util_pipefork (char * const *, FILE **, FILE **, int *);
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extern void util_print_cpu_stats (FILE *);
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extern char *util_print_time (unsigned long);
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extern int util_save_image (char const *, char const *);
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extern char *util_strsav (char const *);
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extern char *util_tilde_expand (char const *);
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extern void util_restart (char const *, char const *, int);
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extern unsigned long getSoftDataLimit (void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* UTIL_H */
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