--- ray/src/util/ranimate.c	1996/02/07 16:42:41	2.9
+++ ray/src/util/ranimate.c	1996/05/30 17:00:10	2.14
@@ -1,4 +1,4 @@
-/* Copyright (c) 1995 Regents of the University of California */
+/* Copyright (c) 1996 Regents of the University of California */
 
 #ifndef lint
 static char SCCSid[] = "$SunId$ LBL";
@@ -15,6 +15,12 @@ static char SCCSid[] = "$SunId$ LBL";
 #include "view.h"
 #include "vars.h"
 #include "netproc.h"
+				/* default remote shell */
+#ifdef _AUX_SOURCE
+#define REMSH		"remsh"
+#else
+#define REMSH		"rsh"
+#endif
 				/* input variables */
 #define HOST		0		/* rendering host machine */
 #define RENDER		1		/* rendering options */
@@ -38,8 +44,9 @@ static char SCCSid[] = "$SunId$ LBL";
 #define DISKSPACE	19		/* how much disk space to use */
 #define RESOLUTION	20		/* desired final resolution */
 #define EXPOSURE	21		/* how to compute exposure */
+#define RSH		22		/* remote shell script or program */
 
-int	NVARS = 22;		/* total number of variables */
+int	NVARS = 23;		/* total number of variables */
 
 VARIABLE	vv[] = {		/* variable-value pairs */
 	{"host",	4,	0,	NULL,	NULL},
@@ -64,6 +71,7 @@ VARIABLE	vv[] = {		/* variable-value pairs */
 	{"DISKSPACE",	3,	0,	NULL,	fltvalue},
 	{"RESOLUTION",	3,	0,	NULL,	onevalue},
 	{"EXPOSURE",	3,	0,	NULL,	onevalue},
+	{"RSH",		3,	0,	NULL,	onevalue},
 };
 
 #define SFNAME	"STATUS"		/* status file name */
@@ -84,6 +92,7 @@ int	nowarn = 0;		/* turn warnings off? */
 int	silent = 0;		/* silent mode? */
 int	noaction = 0;		/* take no action? */
 
+char	*remsh;			/* remote shell program/script */
 char	rendopt[2048] = "";	/* rendering options */
 char	rresopt[32];		/* rendering resolution options */
 char	fresopt[32];		/* filter resolution options */
@@ -109,7 +118,9 @@ struct pslot	*findpslot();
 VIEW	*getview();
 char	*getexp();
 
+extern time_t	fdate(), time();
 
+
 main(argc, argv)
 int	argc;
 char	*argv[];
@@ -166,8 +177,11 @@ char	*argv[];
 		argv[i] = vval(NEXTANIM);	/* just change input file */
 		if (!silent)
 			printargs(argc, argv, stdout);
-		execvp(progname, argv);		/* pass to next */
-		quit(1);			/* shouldn't return */
+		if ((argv[0] = getpath(progname,getenv("PATH"),X_OK)) == NULL)
+			fprintf(stderr, "%s: command not found\n", progname);
+		else
+			execv(progname, argv);
+		quit(1);
 	}
 	quit(0);
 userr:
@@ -178,13 +192,13 @@ userr:
 
 getastat()			/* check/set animation status */
 {
-	char	buf[256];
+	char	sfname[256];
 	FILE	*fp;
 
-	sprintf(buf, "%s/%s", vval(DIRECTORY), SFNAME);
-	if ((fp = fopen(buf, "r")) == NULL) {
+	sprintf(sfname, "%s/%s", vval(DIRECTORY), SFNAME);
+	if ((fp = fopen(sfname, "r")) == NULL) {
 		if (errno != ENOENT) {
-			perror(buf);
+			perror(sfname);
 			return(-1);
 		}
 		astat.rnext = astat.fnext = astat.tnext = 0;
@@ -222,6 +236,11 @@ getastat()			/* check/set animation status */
 				progname, astat.cfname);
 		return(-1);
 	}
+						/* check control file mods. */
+	if (!nowarn && fdate(cfname) > fdate(sfname))
+		fprintf(stderr,
+			"%s: warning - control file modified since last run\n",
+				progname);
 setours:					/* set our values */
 	strcpy(astat.host, myhostname());
 	astat.pid = getpid();
@@ -229,7 +248,7 @@ setours:					/* set our values */
 	return(0);
 fmterr:
 	fprintf(stderr, "%s: format error in status file \"%s\"\n",
-			progname, buf);
+			progname, sfname);
 	fclose(fp);
 	return(-1);
 }
@@ -281,6 +300,7 @@ checkdir()			/* make sure we have our directory */
 
 setdefaults()			/* set default values */
 {
+	extern char	*atos();
 	char	buf[256];
 
 	if (vdef(ANIMATE)) {
@@ -346,6 +366,17 @@ setdefaults()			/* set default values */
 		vval(DISKSPACE) = "100";
 		vdef(DISKSPACE)++;
 	}
+	if (!vdef(RSH)) {
+		vval(RSH) = REMSH;
+		vdef(RSH)++;
+	}
+				/* locate remote shell program */
+	atos(buf, sizeof(buf), vval(RSH));
+	if ((remsh = getpath(buf, getenv("PATH"), X_OK)) != NULL)
+		remsh = savqstr(remsh);
+	else
+		remsh = vval(RSH);	/* will generate error if used */
+
 				/* append rendering options */
 	if (vdef(RENDER))
 		sprintf(rendopt+strlen(rendopt), " %s", vval(RENDER));
@@ -481,7 +512,7 @@ animate()			/* run animation */
 					/* figure # frames per batch */
 	d1 = mult*xres*mult*yres*4;		/* space for orig. picture */
 	if ((i=vint(INTERP)) || atoi(vval(MBLUR)))
-		d1 += mult*xres*mult*yres*4;	/* space for z-buffer */
+		d1 += mult*xres*mult*yres*sizeof(float);	/* Z-buffer */
 	d2 = xres*yres*4;			/* space for final picture */
 	frames_batch = (i+1)*(vflt(DISKSPACE)*1048576.-d1)/(d1+i*d2);
 	if (frames_batch < i+2) {
@@ -810,7 +841,7 @@ int	rvr;
 			while (*arcnext) arcnext++;
 			strcpy(arcnext, ".unf");
 			arcnext += 4;
-			if (usepinterp || vint(INTERP)) {	/* and z-buf */
+			if (usepinterp || vint(INTERP)) {	/* and Z-buf */
 				*arcnext++ = ' ';
 				sprintf(arcnext, vval(BASENAME),
 						frame-vint(INTERP)-1);
@@ -989,10 +1020,12 @@ int	n;
 	if (n == 0) {				/* signal to close file */
 		if (expfp != NULL) {
 			fclose(expfp);
+			free((char *)exppos);
 			expfp = NULL;
 		}
 		return(NULL);
-	}
+	} else if (n > vint(END))		/* request past end (error?) */
+		return(NULL);
 	if (!vdef(EXPOSURE))			/* no setting (auto) */
 		return(NULL);
 	if (isflt(vval(EXPOSURE)))		/* always the same */
@@ -1030,13 +1063,15 @@ int	n;
 		}
 		curfrm++;
 		cp = fskip(expval);			/* check format */
-		if (cp == NULL || *cp != '\n') {
+		if (cp != NULL)
+			while (isspace(*cp))
+				*cp++ = '\0';
+		if (cp == NULL || *cp) {
 			fprintf(stderr,
 				"%s: exposure format error on line %d\n",
 					vval(EXPOSURE), curfrm);
 			quit(1);
 		}
-		*cp = '\0';
 	}
 	return(expval);				/* return value */
 }