V9/cmd/make/defs

/* defs 4.2 85/10/28 */
#include <stdio.h>
#include <sys/param.h>
#include <ctype.h>
#ifdef VERSION8
#	include <ndir.h>
#else
#	include <sys/dir.h>
#endif


#define SHELLCOM "/bin/sh"

typedef char flag;	/* represent a few bit flag */
typedef long int TIMETYPE;

#ifdef unix
/*  to install metering, add a statement like */
#define METERFILE "/usr/sif/make/Meter"
/* to turn metering on, set external variable meteron to 1 */
#endif

/* define FSTATIC to be static on systems with C compilers
   supporting file-static; otherwise define it to be null
*/
#define FSTATIC static

#define NO	0
#define YES	1

#define equal(a,b)	(! strcmp(a,b))
#define HASHSIZE	1021
#define NLEFTS	512
#define NCHARS	500
#define NINTS	250
#define INMAX	5000
#define OUTMAX	5000
#define QBUFMAX	5000
#define MAXDIR	10
#define MAXPROC	100
#define MAXINCLUDE	17
#define PROCLIMIT	3

#define ALLDEPS	1
#define SOMEDEPS	2

#define META	01
#define TERMINAL	02
extern char funny[128];


#define ALLOC(x) (struct x *) ckalloc(sizeof(struct x))
#define CHNULL	(char *) NULL

extern int sigivalue;
extern int sigqvalue;
extern int dbgflag;
extern int prtrflag;
extern int silflag;
extern int noexflag;
extern int keepgoing;
extern int noruleflag;
extern int touchflag;
extern int questflag;
extern int oldflag;
extern int ndocoms;
extern int ignerr;
extern int okdel;
extern int forceshell;
extern int inarglist;
extern char **envpp;	/* points to slot in environment vector */
extern char *prompt;
extern int nopdir;

typedef struct nameblock *nameblkp;
typedef struct depblock *depblkp;
typedef struct lineblock *lineblkp;
typedef struct chain *chainp;

struct nameblock
	{
	nameblkp nxtnameblock;
	char *namep;
	lineblkp linep;
	flag done;
	flag septype;
	flag isarch;
	flag isdir;
	TIMETYPE modtime;
	};

extern nameblkp mainname;
extern nameblkp firstname;
extern nameblkp *hashtab;
extern int nhashed;
extern int hashsize;
extern int hashthresh;

struct lineblock
	{
	lineblkp nxtlineblock;
	struct depblock *depp;
	struct shblock *shp;
	};
extern lineblkp sufflist;

struct depblock
	{
	depblkp nxtdepblock;
	nameblkp depname;
	char nowait;
	} ;

struct shblock
	{
	struct shblock *nxtshblock;
	char *shbp;
	};

struct varblock
	{
	struct varblock *nxtvarblock;
	char *varname;
	char *varval;
	char **export;
	flag noreset;
	flag used;
	};
extern struct varblock *firstvar;

struct pattern
	{
	struct pattern *nxtpattern;
	char *patval;
	};
extern struct pattern *firstpat;

struct dirhd
	{
	struct dirhd *nxtdirhd;
	TIMETYPE dirtime;
	int dirok;
	DIR * dirfc;
	char *dirn;
	};
extern struct dirhd *firstod;


struct chain
	{
	chainp nextp;
	char *datap;
	};

struct wild
	{
	struct wild *next;
	lineblkp linep;
	char *left;
	char *right;
	int llen;
	int rlen;
	int totlen;
	};

typedef struct wild *wildp;
extern wildp firstwild;
extern wildp lastwild;


/* date for processes */
extern int proclimit;	/* maximum spawned processes allowed alive at one time */
extern int proclive;	/* number of spawned processes awaited */
extern int nproc;	/* next slot in process stack to use */
extern struct process
	{
	int pid;
	flag nohalt;
	flag nowait;
	flag done;
	} procstack[ ];


char *copys(), *concat(), *subst();
int *ckalloc();
nameblkp srchname(), makename();
TIMETYPE exists();