1 |
#ifndef lint |
2 |
static const char RCSid[] = "$Id: pcomb.c,v 2.39 2006/09/08 21:38:25 greg Exp $"; |
3 |
#endif |
4 |
/* |
5 |
* Combine picture files according to calcomp functions. |
6 |
* |
7 |
* 1/4/89 |
8 |
*/ |
9 |
|
10 |
#include "platform.h" |
11 |
#include "standard.h" |
12 |
#include "rtprocess.h" |
13 |
#include "color.h" |
14 |
#include "calcomp.h" |
15 |
#include "view.h" |
16 |
|
17 |
#define MAXINP 512 /* maximum number of input files */ |
18 |
#define WINSIZ 64 /* scanline window size */ |
19 |
#define MIDSCN ((WINSIZ-1)/2+1) |
20 |
|
21 |
struct { |
22 |
char *name; /* file or command name */ |
23 |
FILE *fp; /* stream pointer */ |
24 |
VIEW vw; /* view for picture */ |
25 |
RESOLU rs; /* image resolution and orientation */ |
26 |
float pa; /* pixel aspect ratio */ |
27 |
COLOR *scan[WINSIZ]; /* input scanline window */ |
28 |
COLOR coef; /* coefficient */ |
29 |
COLOR expos; /* recorded exposure */ |
30 |
} input[MAXINP]; /* input pictures */ |
31 |
|
32 |
int nfiles; /* number of input files */ |
33 |
|
34 |
char ourfmt[LPICFMT+1] = PICFMT; /* input picture format */ |
35 |
|
36 |
char StandardInput[] = "<stdin>"; |
37 |
char Command[] = "<Command>"; |
38 |
char vcolin[3][4] = {"ri", "gi", "bi"}; |
39 |
char vcolout[3][4] = {"ro", "go", "bo"}; |
40 |
char vbrtin[] = "li"; |
41 |
char vbrtout[] = "lo"; |
42 |
char vcolexp[3][4] = {"re", "ge", "be"}; |
43 |
char vbrtexp[] = "le"; |
44 |
char vpixaspect[] = "pa"; |
45 |
|
46 |
char vray[7][4] = {"Ox", "Oy", "Oz", "Dx", "Dy", "Dz", "T"}; |
47 |
|
48 |
char vpsize[] = "S"; |
49 |
|
50 |
char vnfiles[] = "nfiles"; |
51 |
char vwhteff[] = "WE"; |
52 |
char vxmax[] = "xmax"; |
53 |
char vymax[] = "ymax"; |
54 |
char vxres[] = "xres"; |
55 |
char vyres[] = "yres"; |
56 |
char vxpos[] = "x"; |
57 |
char vypos[] = "y"; |
58 |
|
59 |
int nowarn = 0; /* no warning messages? */ |
60 |
|
61 |
int xmax = 0, ymax = 0; /* input resolution */ |
62 |
|
63 |
int xscan, yscan; /* input position */ |
64 |
|
65 |
int xres, yres; /* output resolution */ |
66 |
|
67 |
int xpos, ypos; /* output position */ |
68 |
|
69 |
char *progname; /* global argv[0] */ |
70 |
|
71 |
int echoheader = 1; |
72 |
int wrongformat = 0; |
73 |
int gotview; |
74 |
|
75 |
|
76 |
static gethfunc headline; |
77 |
static void checkfile(void); |
78 |
static double rgb_bright(COLOR clr); |
79 |
static double xyz_bright(COLOR clr); |
80 |
static void init(void); |
81 |
static void combine(void); |
82 |
static void advance(void); |
83 |
static double l_expos(char *nam); |
84 |
static double l_pixaspect(char *nm); |
85 |
static double l_colin(char *nam); |
86 |
static double l_ray(char *nam); |
87 |
static double l_psize(char *nm); |
88 |
|
89 |
|
90 |
int |
91 |
main( |
92 |
int argc, |
93 |
char *argv[] |
94 |
) |
95 |
{ |
96 |
int original; |
97 |
double f; |
98 |
int a; |
99 |
SET_DEFAULT_BINARY(); |
100 |
SET_FILE_BINARY(stdin); |
101 |
SET_FILE_BINARY(stdout); |
102 |
progname = argv[0]; |
103 |
/* scan options */ |
104 |
for (a = 1; a < argc; a++) { |
105 |
if (argv[a][0] == '-') |
106 |
switch (argv[a][1]) { |
107 |
case 'x': |
108 |
case 'y': |
109 |
a++; |
110 |
continue; |
111 |
case 'w': |
112 |
nowarn = !nowarn; |
113 |
continue; |
114 |
case 'h': |
115 |
echoheader = !echoheader; |
116 |
continue; |
117 |
case 'f': |
118 |
case 'e': |
119 |
a++; |
120 |
continue; |
121 |
} |
122 |
break; |
123 |
} |
124 |
newheader("RADIANCE", stdout); /* start header */ |
125 |
fputnow(stdout); |
126 |
/* process files */ |
127 |
for (nfiles = 0; nfiles < MAXINP; nfiles++) { |
128 |
setcolor(input[nfiles].coef, 1.0, 1.0, 1.0); |
129 |
setcolor(input[nfiles].expos, 1.0, 1.0, 1.0); |
130 |
input[nfiles].vw = stdview; |
131 |
input[nfiles].pa = 1.0; |
132 |
} |
133 |
nfiles = 0; |
134 |
original = 0; |
135 |
for ( ; a < argc; a++) { |
136 |
if (nfiles >= MAXINP) { |
137 |
eputs(argv[0]); |
138 |
eputs(": too many picture files\n"); |
139 |
quit(1); |
140 |
} |
141 |
if (argv[a][0] == '-') |
142 |
switch (argv[a][1]) { |
143 |
case '\0': |
144 |
input[nfiles].name = StandardInput; |
145 |
input[nfiles].fp = stdin; |
146 |
break; |
147 |
case 'o': |
148 |
original++; |
149 |
continue; |
150 |
case 's': |
151 |
f = atof(argv[++a]); |
152 |
scalecolor(input[nfiles].coef, f); |
153 |
continue; |
154 |
case 'c': |
155 |
colval(input[nfiles].coef,RED)*=atof(argv[++a]); |
156 |
colval(input[nfiles].coef,GRN)*=atof(argv[++a]); |
157 |
colval(input[nfiles].coef,BLU)*=atof(argv[++a]); |
158 |
continue; |
159 |
default: |
160 |
goto usage; |
161 |
} |
162 |
else { |
163 |
if (argv[a][0] == '!') { |
164 |
input[nfiles].name = Command; |
165 |
input[nfiles].fp = popen(argv[a]+1, "r"); |
166 |
} else { |
167 |
input[nfiles].name = argv[a]; |
168 |
input[nfiles].fp = fopen(argv[a], "r"); |
169 |
} |
170 |
if (input[nfiles].fp == NULL) { |
171 |
perror(argv[a]); |
172 |
quit(1); |
173 |
} |
174 |
} |
175 |
checkfile(); |
176 |
if (original) { |
177 |
colval(input[nfiles].coef,RED) /= |
178 |
colval(input[nfiles].expos,RED); |
179 |
colval(input[nfiles].coef,GRN) /= |
180 |
colval(input[nfiles].expos,GRN); |
181 |
colval(input[nfiles].coef,BLU) /= |
182 |
colval(input[nfiles].expos,BLU); |
183 |
setcolor(input[nfiles].expos, 1.0, 1.0, 1.0); |
184 |
} |
185 |
nfiles++; |
186 |
original = 0; |
187 |
} |
188 |
init(); /* set constants */ |
189 |
/* go back and get expressions */ |
190 |
for (a = 1; a < argc; a++) { |
191 |
if (argv[a][0] == '-') |
192 |
switch (argv[a][1]) { |
193 |
case 'x': |
194 |
varset(vxres, ':', eval(argv[++a])); |
195 |
continue; |
196 |
case 'y': |
197 |
varset(vyres, ':', eval(argv[++a])); |
198 |
continue; |
199 |
case 'w': |
200 |
continue; |
201 |
case 'h': |
202 |
continue; |
203 |
case 'f': |
204 |
fcompile(argv[++a]); |
205 |
continue; |
206 |
case 'e': |
207 |
scompile(argv[++a], NULL, 0); |
208 |
continue; |
209 |
} |
210 |
break; |
211 |
} |
212 |
/* set/get output resolution */ |
213 |
if (!vardefined(vxres)) |
214 |
varset(vxres, ':', (double)xmax); |
215 |
if (!vardefined(vyres)) |
216 |
varset(vyres, ':', (double)ymax); |
217 |
xres = varvalue(vxres) + .5; |
218 |
yres = varvalue(vyres) + .5; |
219 |
if (xres <= 0 || yres <= 0) { |
220 |
eputs(argv[0]); |
221 |
eputs(": illegal output resolution\n"); |
222 |
quit(1); |
223 |
} |
224 |
/* complete header */ |
225 |
printargs(argc, argv, stdout); |
226 |
if (strcmp(ourfmt, PICFMT)) |
227 |
fputformat(ourfmt, stdout); /* print format if known */ |
228 |
putchar('\n'); |
229 |
fprtresolu(xres, yres, stdout); |
230 |
/* combine pictures */ |
231 |
combine(); |
232 |
quit(0); |
233 |
usage: |
234 |
eputs("Usage: "); |
235 |
eputs(argv[0]); |
236 |
eputs( |
237 |
" [-w][-h][-x xr][-y yr][-e expr][-f file] [ [-o][-s f][-c r g b] pic ..]\n"); |
238 |
quit(1); |
239 |
return 1; /* pro forma return */ |
240 |
} |
241 |
|
242 |
|
243 |
static int |
244 |
headline( /* check header line & echo if requested */ |
245 |
char *s, |
246 |
void *p |
247 |
) |
248 |
{ |
249 |
char fmt[32]; |
250 |
double d; |
251 |
COLOR ctmp; |
252 |
|
253 |
if (isheadid(s)) /* header id */ |
254 |
return(0); /* don't echo */ |
255 |
if (formatval(fmt, s)) { /* check format */ |
256 |
if (globmatch(ourfmt, fmt)) { |
257 |
wrongformat = 0; |
258 |
strcpy(ourfmt, fmt); |
259 |
} else |
260 |
wrongformat = globmatch(PICFMT, fmt) ? 1 : -1; |
261 |
return(0); /* don't echo */ |
262 |
} |
263 |
if (isexpos(s)) { /* exposure */ |
264 |
d = exposval(s); |
265 |
scalecolor(input[nfiles].expos, d); |
266 |
} else if (iscolcor(s)) { /* color correction */ |
267 |
colcorval(ctmp, s); |
268 |
multcolor(input[nfiles].expos, ctmp); |
269 |
} else if (isaspect(s)) |
270 |
input[nfiles].pa *= aspectval(s); |
271 |
else if (isview(s) && sscanview(&input[nfiles].vw, s) > 0) |
272 |
gotview++; |
273 |
|
274 |
if (echoheader) { /* echo line */ |
275 |
putchar('\t'); |
276 |
return(fputs(s, stdout)); |
277 |
} |
278 |
return(0); |
279 |
} |
280 |
|
281 |
|
282 |
static void |
283 |
checkfile(void) /* ready a file */ |
284 |
{ |
285 |
register int i; |
286 |
/* process header */ |
287 |
gotview = 0; |
288 |
if (echoheader) { |
289 |
fputs(input[nfiles].name, stdout); |
290 |
fputs(":\n", stdout); |
291 |
} |
292 |
getheader(input[nfiles].fp, headline, NULL); |
293 |
if (wrongformat < 0) { |
294 |
eputs(input[nfiles].name); |
295 |
eputs(": not a Radiance picture\n"); |
296 |
quit(1); |
297 |
} |
298 |
if (wrongformat > 0) { |
299 |
wputs(input[nfiles].name); |
300 |
wputs(": warning -- incompatible picture format\n"); |
301 |
} |
302 |
if (!gotview || setview(&input[nfiles].vw) != NULL) |
303 |
input[nfiles].vw.type = 0; |
304 |
if (!fgetsresolu(&input[nfiles].rs, input[nfiles].fp)) { |
305 |
eputs(input[nfiles].name); |
306 |
eputs(": bad picture size\n"); |
307 |
quit(1); |
308 |
} |
309 |
if (xmax == 0 && ymax == 0) { |
310 |
xmax = scanlen(&input[nfiles].rs); |
311 |
ymax = numscans(&input[nfiles].rs); |
312 |
} else if (scanlen(&input[nfiles].rs) != xmax || |
313 |
numscans(&input[nfiles].rs) != ymax) { |
314 |
eputs(input[nfiles].name); |
315 |
eputs(": resolution mismatch\n"); |
316 |
quit(1); |
317 |
} |
318 |
/* allocate scanlines */ |
319 |
for (i = 0; i < WINSIZ; i++) |
320 |
input[nfiles].scan[i] = (COLOR *)emalloc(xmax*sizeof(COLOR)); |
321 |
} |
322 |
|
323 |
|
324 |
static double |
325 |
rgb_bright( |
326 |
COLOR clr |
327 |
) |
328 |
{ |
329 |
return(bright(clr)); |
330 |
} |
331 |
|
332 |
|
333 |
static double |
334 |
xyz_bright( |
335 |
COLOR clr |
336 |
) |
337 |
{ |
338 |
return(clr[CIEY]); |
339 |
} |
340 |
|
341 |
|
342 |
double (*ourbright)() = rgb_bright; |
343 |
|
344 |
|
345 |
static void |
346 |
init(void) /* perform final setup */ |
347 |
{ |
348 |
register int i; |
349 |
/* define constants */ |
350 |
varset("PI", ':', PI); |
351 |
varset(vnfiles, ':', (double)nfiles); |
352 |
varset(vxmax, ':', (double)xmax); |
353 |
varset(vymax, ':', (double)ymax); |
354 |
/* set functions */ |
355 |
for (i = 0; i < 3; i++) { |
356 |
funset(vcolexp[i], 1, ':', l_expos); |
357 |
funset(vcolin[i], 1, '=', l_colin); |
358 |
} |
359 |
funset(vbrtexp, 1, ':', l_expos); |
360 |
funset(vbrtin, 1, '=', l_colin); |
361 |
funset(vpixaspect, 1, ':', l_pixaspect); |
362 |
for (i = 0; i < 7; i++) |
363 |
funset(vray[i], 1, '=', l_ray); |
364 |
funset(vpsize, 1, '=', l_psize); |
365 |
/* set brightness function */ |
366 |
if (!strcmp(ourfmt, CIEFMT)) { |
367 |
varset(vwhteff, ':', 1.0); |
368 |
ourbright = xyz_bright; |
369 |
} else |
370 |
varset(vwhteff, ':', WHTEFFICACY); |
371 |
} |
372 |
|
373 |
|
374 |
static void |
375 |
combine(void) /* combine pictures */ |
376 |
{ |
377 |
EPNODE *coldef[3], *brtdef; |
378 |
COLOR *scanout; |
379 |
double d; |
380 |
register int i, j; |
381 |
/* check defined variables */ |
382 |
for (j = 0; j < 3; j++) { |
383 |
if (vardefined(vcolout[j])) |
384 |
coldef[j] = eparse(vcolout[j]); |
385 |
else |
386 |
coldef[j] = NULL; |
387 |
} |
388 |
if (vardefined(vbrtout)) |
389 |
brtdef = eparse(vbrtout); |
390 |
else |
391 |
brtdef = NULL; |
392 |
/* allocate scanline */ |
393 |
scanout = (COLOR *)emalloc(xres*sizeof(COLOR)); |
394 |
/* set input position */ |
395 |
yscan = ymax+MIDSCN; |
396 |
/* combine files */ |
397 |
for (ypos = yres-1; ypos >= 0; ypos--) { |
398 |
advance(); |
399 |
varset(vypos, '=', (double)ypos); |
400 |
for (xpos = 0; xpos < xres; xpos++) { |
401 |
xscan = (long)xpos*xmax/xres; |
402 |
varset(vxpos, '=', (double)xpos); |
403 |
eclock++; |
404 |
if (brtdef != NULL) { |
405 |
d = evalue(brtdef); |
406 |
if (d < 0.0) |
407 |
d = 0.0; |
408 |
setcolor(scanout[xpos], d, d, d); |
409 |
} else { |
410 |
for (j = 0; j < 3; j++) { |
411 |
if (coldef[j] != NULL) { |
412 |
d = evalue(coldef[j]); |
413 |
} else { |
414 |
d = 0.0; |
415 |
for (i = 0; i < nfiles; i++) |
416 |
d += colval(input[i].scan[MIDSCN][xscan],j); |
417 |
} |
418 |
if (d < 0.0) |
419 |
d = 0.0; |
420 |
colval(scanout[xpos],j) = d; |
421 |
} |
422 |
} |
423 |
} |
424 |
if (fwritescan(scanout, xres, stdout) < 0) { |
425 |
perror("write error"); |
426 |
quit(1); |
427 |
} |
428 |
} |
429 |
efree((char *)scanout); |
430 |
} |
431 |
|
432 |
|
433 |
static void |
434 |
advance(void) /* read in data for next scanline */ |
435 |
{ |
436 |
int ytarget; |
437 |
register COLOR *st; |
438 |
register int i, j; |
439 |
|
440 |
for (ytarget = (long)ypos*ymax/yres; yscan > ytarget; yscan--) |
441 |
for (i = 0; i < nfiles; i++) { |
442 |
st = input[i].scan[WINSIZ-1]; |
443 |
for (j = WINSIZ-1; j > 0; j--) /* rotate window */ |
444 |
input[i].scan[j] = input[i].scan[j-1]; |
445 |
input[i].scan[0] = st; |
446 |
if (yscan <= MIDSCN) /* hit bottom? */ |
447 |
continue; |
448 |
if (freadscan(st, xmax, input[i].fp) < 0) { /* read */ |
449 |
eputs(input[i].name); |
450 |
eputs(": read error\n"); |
451 |
quit(1); |
452 |
} |
453 |
for (j = 0; j < xmax; j++) /* adjust color */ |
454 |
multcolor(st[j], input[i].coef); |
455 |
} |
456 |
} |
457 |
|
458 |
|
459 |
static double |
460 |
l_expos( /* return picture exposure */ |
461 |
register char *nam |
462 |
) |
463 |
{ |
464 |
register int fn, n; |
465 |
|
466 |
fn = argument(1) - .5; |
467 |
if (fn < 0 || fn >= nfiles) |
468 |
return(1.0); |
469 |
if (nam == vbrtexp) |
470 |
return((*ourbright)(input[fn].expos)); |
471 |
n = 3; |
472 |
while (n--) |
473 |
if (nam == vcolexp[n]) |
474 |
return(colval(input[fn].expos,n)); |
475 |
eputs("Bad call to l_expos()!\n"); |
476 |
quit(1); |
477 |
return 1; /* pro forma return */ |
478 |
} |
479 |
|
480 |
|
481 |
static double |
482 |
l_pixaspect(char *nm) /* return pixel aspect ratio */ |
483 |
{ |
484 |
register int fn; |
485 |
|
486 |
fn = argument(1) - .5; |
487 |
if (fn < 0 || fn >= nfiles) |
488 |
return(1.0); |
489 |
return(input[fn].pa); |
490 |
} |
491 |
|
492 |
|
493 |
static double |
494 |
l_colin( /* return color value for picture */ |
495 |
register char *nam |
496 |
) |
497 |
{ |
498 |
int fn; |
499 |
register int n, xoff, yoff; |
500 |
double d; |
501 |
|
502 |
fn = argument(1) - .5; |
503 |
if (fn < 0 || fn >= nfiles) { |
504 |
errno = EDOM; |
505 |
return(0.0); |
506 |
} |
507 |
xoff = yoff = 0; |
508 |
n = nargum(); |
509 |
if (n >= 2) { |
510 |
d = argument(2); |
511 |
if (d < 0.0) { |
512 |
xoff = d-.5; |
513 |
if (xscan+xoff < 0) |
514 |
xoff = -xscan; |
515 |
} else { |
516 |
xoff = d+.5; |
517 |
if (xscan+xoff >= xmax) |
518 |
xoff = xmax-1-xscan; |
519 |
} |
520 |
} |
521 |
if (n >= 3) { |
522 |
d = argument(3); |
523 |
if (d < 0.0) { |
524 |
yoff = d-.5; |
525 |
if (yoff+MIDSCN < 0) |
526 |
yoff = -MIDSCN; |
527 |
if (yscan+yoff < 0) |
528 |
yoff = -yscan; |
529 |
} else { |
530 |
yoff = d+.5; |
531 |
if (yoff+MIDSCN >= WINSIZ) |
532 |
yoff = WINSIZ-1-MIDSCN; |
533 |
if (yscan+yoff >= ymax) |
534 |
yoff = ymax-1-yscan; |
535 |
} |
536 |
} |
537 |
if (nam == vbrtin) |
538 |
return((*ourbright)(input[fn].scan[MIDSCN+yoff][xscan+xoff])); |
539 |
n = 3; |
540 |
while (n--) |
541 |
if (nam == vcolin[n]) |
542 |
return(colval(input[fn].scan[MIDSCN+yoff][xscan+xoff],n)); |
543 |
eputs("Bad call to l_colin()!\n"); |
544 |
quit(1); |
545 |
return 1; /* pro forma return */ |
546 |
} |
547 |
|
548 |
|
549 |
static double |
550 |
l_ray( /* return ray origin or direction */ |
551 |
register char *nam |
552 |
) |
553 |
{ |
554 |
static unsigned long ltick[MAXINP]; |
555 |
static FVECT lorg[MAXINP], ldir[MAXINP]; |
556 |
static double ldist[MAXINP]; |
557 |
RREAL loc[2]; |
558 |
int fn; |
559 |
register int i; |
560 |
|
561 |
fn = argument(1) - .5; |
562 |
if (fn < 0 || fn >= nfiles) { |
563 |
errno = EDOM; |
564 |
return(0.0); |
565 |
} |
566 |
if (ltick[fn] != eclock) { /* need to compute? */ |
567 |
lorg[fn][0] = lorg[fn][1] = lorg[fn][2] = 0.0; |
568 |
ldir[fn][0] = ldir[fn][1] = ldir[fn][2] = 0.0; |
569 |
ldist[fn] = -1.0; |
570 |
if (input[fn].vw.type == 0) |
571 |
errno = EDOM; |
572 |
else { |
573 |
pix2loc(loc, &input[fn].rs, xscan, ymax-1-yscan); |
574 |
ldist[fn] = viewray(lorg[fn], ldir[fn], |
575 |
&input[fn].vw, loc[0], loc[1]); |
576 |
} |
577 |
ltick[fn] = eclock; |
578 |
} |
579 |
if (nam == vray[i=6]) |
580 |
return(ldist[fn]); |
581 |
while (i--) |
582 |
if (nam == vray[i]) |
583 |
return(i < 3 ? lorg[fn][i] : ldir[fn][i-3]); |
584 |
eputs("Bad call to l_ray()!\n"); |
585 |
quit(1); |
586 |
return 1; /* pro forma return */ |
587 |
} |
588 |
|
589 |
|
590 |
static double |
591 |
l_psize(char *nm) /* compute pixel size in steradians */ |
592 |
{ |
593 |
static unsigned long ltick[MAXINP]; |
594 |
static double psize[MAXINP]; |
595 |
FVECT dir0, org, dirx, diry; |
596 |
RREAL locx[2], locy[2]; |
597 |
double d; |
598 |
int fn; |
599 |
register int i; |
600 |
|
601 |
d = argument(1); |
602 |
if (d < .5 || d >= nfiles+.5) { |
603 |
errno = EDOM; |
604 |
return(0.0); |
605 |
} |
606 |
fn = d - .5; |
607 |
if (ltick[fn] != eclock) { /* need to compute? */ |
608 |
psize[fn] = 0.0; |
609 |
if (input[fn].vw.type == 0) |
610 |
errno = EDOM; |
611 |
else if (input[fn].vw.type != VT_PAR && |
612 |
funvalue(vray[6], 1, &d) >= -FTINY) { |
613 |
for (i = 0; i < 3; i++) |
614 |
dir0[i] = funvalue(vray[3+i], 1, &d); |
615 |
pix2loc(locx, &input[fn].rs, xscan+1, ymax-1-yscan); |
616 |
pix2loc(locy, &input[fn].rs, xscan, ymax-yscan); |
617 |
if (viewray(org, dirx, &input[fn].vw, |
618 |
locx[0], locx[1]) >= -FTINY && |
619 |
viewray(org, diry, &input[fn].vw, |
620 |
locy[0], locy[1]) >= -FTINY) { |
621 |
/* approximate solid angle */ |
622 |
for (i = 0; i < 3; i++) { |
623 |
dirx[i] -= dir0[i]; |
624 |
diry[i] -= dir0[i]; |
625 |
} |
626 |
fcross(dir0, dirx, diry); |
627 |
psize[fn] = VLEN(dir0); |
628 |
} |
629 |
} |
630 |
ltick[fn] = eclock; |
631 |
} |
632 |
return(psize[fn]); |
633 |
} |
634 |
|
635 |
|
636 |
extern void |
637 |
wputs(char *msg) |
638 |
{ |
639 |
if (!nowarn) |
640 |
eputs(msg); |
641 |
} |
642 |
|
643 |
|
644 |
extern void |
645 |
eputs(char *msg) |
646 |
{ |
647 |
fputs(msg, stderr); |
648 |
} |
649 |
|
650 |
|
651 |
extern void |
652 |
quit(int code) /* exit gracefully */ |
653 |
{ |
654 |
register int i; |
655 |
/* close input files */ |
656 |
for (i = 0; i < nfiles; i++) |
657 |
if (input[i].name == Command) |
658 |
pclose(input[i].fp); |
659 |
else |
660 |
fclose(input[i].fp); |
661 |
exit(code); |
662 |
} |