summaryrefslogtreecommitdiff
path: root/usr/src/cmd/graph/graph.c
diff options
context:
space:
mode:
Diffstat (limited to 'usr/src/cmd/graph/graph.c')
-rw-r--r--usr/src/cmd/graph/graph.c173
1 files changed, 89 insertions, 84 deletions
diff --git a/usr/src/cmd/graph/graph.c b/usr/src/cmd/graph/graph.c
index 1ff4ab9328..c2b62dd4bb 100644
--- a/usr/src/cmd/graph/graph.c
+++ b/usr/src/cmd/graph/graph.c
@@ -19,20 +19,22 @@
*
* CDDL HEADER END
*/
+
/*
- * Copyright (c) 1992, 2000 by Sun Microsystems, Inc.
- * All rights reserved.
+ * Copyright 2000 Sun Microsystems, Inc. All rights reserved.
+ * Use is subject to license terms.
*/
-#pragma ident "%Z%%M% %I% %E% SMI"
-
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
+#pragma ident "%Z%%M% %I% %E% SMI"
#include <stdio.h>
#include <ctype.h>
#include <math.h>
+#include <stdlib.h>
+
#define INF 1.e+37
#define F .25
@@ -55,7 +57,7 @@ struct val {
int lblptr;
} *xx;
-static char *labs;
+static char *labsarr;
static int labsiz;
int tick = 50;
@@ -72,7 +74,6 @@ int brkf;
float dx;
char *plotsymb;
-double atof();
#define BSIZ 80
char labbuf[BSIZ];
char titlebuf[BSIZ];
@@ -86,17 +87,29 @@ char *modes[] = {
"longdashed"
};
int mode = 1;
-char *realloc();
-char *malloc();
-double ident(x)
-double x;
+void init(struct xy *);
+void setopt(int, char **);
+void readin(void);
+void transpose(void);
+void scale(struct xy *, struct val *);
+void axes(void);
+void title(void);
+void badarg(void);
+void limread(struct xy *, int *, char ***);
+void domark(float, struct xy *);
+void plot(void);
+int submark(float, struct xy *, int);
+int con_v(float, struct xy *, int *);
+
+double
+ident(double x)
{
return(x);
}
-main(argc,argv)
-char *argv[];
+int
+main(int argc, char **argv)
{
space(0,0,4096,4096);
@@ -104,8 +117,8 @@ char *argv[];
init(&yd);
xd.xsize = yd.xsize = 1.;
xx = (struct val *)malloc((unsigned)sizeof(struct val));
- labs = malloc(1);
- labs[labsiz++] = 0;
+ labsarr = malloc(1);
+ labsarr[labsiz++] = 0;
setopt(argc,argv);
if(erasf)
erase();
@@ -121,15 +134,15 @@ char *argv[];
return(0);
}
-init(p)
-struct xy *p;
+void
+init(struct xy *p)
{
p->xf = ident;
p->xmult = 1;
}
-setopt(argc,argv)
-char *argv[];
+void
+setopt(int argc, char **argv)
{
char *p1, *p2;
float temp;
@@ -227,10 +240,8 @@ again: switch(argv[0][0]) {
}
}
-limread(p, argcp, argvp)
-register struct xy *p;
-int *argcp;
-char ***argvp;
+void
+limread(struct xy *p, int *argcp, char ***argvp)
{
if(*argcp>1 && (*argvp)[1][0]=='l') {
(*argcp)--;
@@ -248,12 +259,10 @@ char ***argvp;
p->xqf = 1;
}
-numb(np, argcp, argvp)
-int *argcp;
-float *np;
-register char ***argvp;
+int
+numb(float *np, int *argcp, char ***argvp)
{
- register char c;
+ char c;
if(*argcp <= 1)
return(0);
@@ -267,9 +276,10 @@ register char ***argvp;
return(1);
}
-readin()
+void
+readin(void)
{
- register t;
+ int t;
struct val *temp;
if(absf==1) {
@@ -301,9 +311,10 @@ readin()
}
}
-transpose()
+void
+transpose(void)
{
- register i;
+ int i;
float f;
struct xy t;
if(!transf)
@@ -314,25 +325,25 @@ transpose()
}
}
-copystring(k)
+int
+copystring(int k)
{
- register char *temp;
- register i;
+ char *temp;
+ int i;
int q;
- temp = realloc(labs,(unsigned)(labsiz+1+k));
+ temp = realloc(labsarr,(unsigned)(labsiz+1+k));
if(temp==0)
return(0);
- labs = temp;
+ labsarr = temp;
q = labsiz;
for(i=0;i<=k;i++)
- labs[labsiz++] = labbuf[i];
+ labsarr[labsiz++] = labbuf[i];
return(q);
}
float
-modceil(f,t)
-float f,t;
+modceil(float f, float t)
{
t = fabs(t);
@@ -340,18 +351,16 @@ float f,t;
}
float
-modfloor(f,t)
-float f,t;
+modfloor(float f, float t)
{
t = fabs(t);
return(floor(f/t)*t);
}
-getlim(p,v)
-register struct xy *p;
-struct val *v;
+void
+getlim(struct xy *p, struct val *v)
{
- register i;
+ int i;
i = 0;
do {
@@ -365,10 +374,10 @@ struct val *v;
struct z {
float lb,ub,mult,quant;
-} setloglim(), setlinlim();
+} setloglim(int, int, float, float), setlinlim(int, int, float, float);
-setlim(p)
-register struct xy *p;
+void
+setlim(struct xy *p)
{
float t,delta,sign;
struct z z;
@@ -435,8 +444,7 @@ register struct xy *p;
}
struct z
-setloglim(lbf,ubf,lb,ub)
-float lb,ub;
+setloglim(int lbf, int ubf, float lb, float ub)
{
float r,s,t;
struct z z;
@@ -468,9 +476,7 @@ float lb,ub;
}
struct z
-setlinlim(lbf,ubf,xlb,xub)
-int lbf,ubf;
-float xlb,xub;
+setlinlim(int lbf, int ubf, float xlb, float xub)
{
struct z z;
float r,s,delta;
@@ -510,9 +516,8 @@ loop:
return(z);
}
-scale(p,v)
-register struct xy *p;
-struct val *v;
+void
+scale(struct xy *p, struct val *v)
{
float edge;
@@ -525,9 +530,10 @@ struct val *v;
p->xb = p->xbot - (*p->xf)(p->xlb)*p->xa + .5;
}
-axes()
+void
+axes(void)
{
- register i;
+ int i;
if(gridf==0)
return;
@@ -540,9 +546,9 @@ axes()
(void) setmark(&yd, 1);
}
-setmark(p, doprt)
-register struct xy *p;
-int doprt; /* 1 == print ticks, 0 == just count */
+/* doprnt: 1 == print ticks, 0 == just count */
+int
+setmark(struct xy *p, int doprt)
{
int xn = 0;
float x,xl,xu;
@@ -574,10 +580,8 @@ int doprt; /* 1 == print ticks, 0 == just count */
return(xn);
}
-submark(x,p,doprt)
-float x;
-struct xy *p;
-int doprt;
+int
+submark(float x, struct xy *p, int doprt)
{
if(1.001*p->xlb < x && .999*p->xub > x) {
if (doprt)
@@ -589,9 +593,8 @@ int doprt;
}
}
-domark(markf, p)
-float markf;
-register struct xy *p;
+void
+domark(float markf, struct xy *p)
{
int mark = markf;
@@ -613,7 +616,8 @@ register struct xy *p;
}
}
-plot()
+void
+plot(void)
{
int ix,iy;
int i;
@@ -640,10 +644,8 @@ plot()
linemod(modes[1]);
}
-con_v(xv,p,ip)
-float xv;
-register struct xy *p;
-int *ip;
+int
+con_v(float xv, struct xy *p, int *ip)
{
long ix;
ix = p->xa*(*p->xf)(xv*p->xmult) + p->xb;
@@ -653,18 +655,19 @@ int *ip;
return(1);
}
-getfloat(p)
-float *p;
+int
+getfloat(float *p)
{
- register i;
+ int i;
i = scanf("%f",p);
return(i==1);
}
-getstring()
+int
+getstring(void)
{
- register i;
+ int i;
char junk[20];
i = scanf("%1s",labbuf);
if(i==-1)
@@ -688,11 +691,11 @@ getstring()
}
if(i==-1)
return(-1);
- return(strlen(labbuf));
+ return((int)strlen(labbuf));
}
-
-symbol(ix,iy,k)
+int
+symbol(int ix, int iy, int k)
{
if(symbf==0&&k<0) {
@@ -702,13 +705,14 @@ symbol(ix,iy,k)
}
else {
move(ix,iy);
- label(k>=0?labs+k:plotsymb);
+ label(k>=0?labsarr+k:plotsymb);
move(ix,iy);
return(!brkf|k<0);
}
}
-title()
+void
+title(void)
{
char *buf, *bufp;
@@ -736,7 +740,8 @@ title()
free(buf);
}
-badarg()
+void
+badarg(void)
{
fprintf(stderr,"graph: error in arguments\n");
exit(1);
generated by cgit v1.2.3 (git 2.46.0) at 2025-12-06 03:38:37 +0000