126 lines
4.4 KiB
C
126 lines
4.4 KiB
C
/* utils.h --
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*
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* *********************************************************************
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* * Copyright (C) 1985, 1990 Regents of the University of California. *
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* * Permission to use, copy, modify, and distribute this *
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* * software and its documentation for any purpose and without *
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* * fee is hereby granted, provided that the above copyright *
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* * notice appear in all copies. The University of California *
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* * makes no representations about the suitability of this *
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* * software for any purpose. It is provided "as is" without *
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* * express or implied warranty. Export of this software outside *
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* * of the United States of America may require an export license. *
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* *********************************************************************
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*
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* This file just defines all the features available from the
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* Magic utility routines.
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*/
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/* rcsid "$Header: /usr/cvsroot/magic-8.0/utils/utils.h,v 1.2 2009/09/10 20:32:55 tim Exp $" */
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#ifndef _UTILS_H
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#define _UTILS_H 1
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#ifdef HAVE_ZLIB
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#include <zlib.h>
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#endif
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#include "utils/tech.h"
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#include "utils/magic.h"
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/*
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* Cast second argument to LookupStruct() to (LookupTable *) to
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* make lint very happy.
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*/
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typedef struct
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{
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const char *d_str;
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} LookupTable;
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/* The following stuff just defines the global routines provided
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* by files other than hash and stack and geometry.
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*/
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extern int Lookup(const char *str, const char * const *table);
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extern int LookupAny(char, const char * const *);
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extern int LookupFull(const char *, const char * const *);
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extern int LookupStruct(const char *str, const LookupTable *table_start, int size);
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extern int LookupStructFull(const char *str, const char * const *table, int size);
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extern int PaExpand(const char **, char **, int);
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extern char *nextName(const char **ppath, const char *file, char *dest, int size);
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extern FILE *PaOpen(const char *file, const char *mode, const char *ext, const char *path, const char *library,
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char **pRealName);
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extern FILE *PaLockOpen(const char *file, const char *mode, const char *ext, const char *path, const char *library,
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char **pRealName, bool *is_locked, int *fdp);
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extern char *StrDup(char **, const char *);
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extern bool Match(const char *pattern, const char *string);
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extern char *ArgStr(int *pargc, char ***pargv, const char *argType);
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extern bool StrIsWhite(const char *, bool);
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extern bool StrIsInt(const char *);
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extern bool StrIsNumeric(const char *);
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/* C99 compat */
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extern void PaAppend(char **pathptr, const char *newstring);
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extern void ReduceFraction(int *, int *);
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extern bool TechLoad(char *, SectionID);
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extern void UndoFlush();
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extern int FindGCF();
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extern int GetRect();
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extern void niceabort();
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extern void ShowRect();
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extern void FindDisplay();
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extern void ForkChildAdd();
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extern int PaEnum(const char *path, const char *file, int (*proc)(), ClientData cdata);
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extern int paVisitProcess();
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extern void SetNoisyInt(int *parm, const char *valueS, FILE *file);
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extern void SetNoisyDI(dlong *parm, const char *valueS, FILE *file);
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extern bool ParsSplit();
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#ifdef HAVE_ZLIB
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extern gzFile PaZOpen(const char *file, const char *mode, const char *ext, const char *path, const char *library,
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char **pRealName);
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extern gzFile PaLockZOpen(const char *file, const char *mode, const char *ext, const char *path, const char *library,
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char **pRealName, bool *is_locked, int *fdp);
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extern char *PaCheckCompressed(const char *filename);
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#endif
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extern int SetNoisyBool(bool *parm, const char *valueS, FILE *file);
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#ifdef FILE_LOCKS
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extern FILE *flock_open();
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#ifdef HAVE_ZLIB
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extern gzFile flock_zopen();
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#endif
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#endif
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/* The following macro takes an integer and returns another integer that
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* is the same as the first except that all the '1' bits are turned off,
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* except for the rightmost '1' bit.
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*
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* Examples: 01010100 --> 00000100
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* 1111 --> 0001
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* 0111011100 --> 0000000100
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*/
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#define LAST_BIT_OF(x) ((x) & ~((x) - 1))
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extern float MagAtof(const char *s);
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extern int Wait(int *status);
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extern int WaitPid(int pid, int *status);
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#define FORK_f(pid) do { pid = fork(); if (pid > 0) ForkChildAdd (pid); } while (0)
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#define FORK_vf(pid) do { pid = vfork(); if (pid > 0) ForkChildAdd (pid); } while (0)
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#if defined(SYSV) || defined(CYGWIN) || defined(__APPLE__)
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#define FORK(pid) FORK_f(pid)
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#else
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#define FORK(pid) FORK_vf(pid)
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#endif
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#endif /* _UTILS_H */
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