1 |
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#ifndef lint |
2 |
< |
static const char RCSid[] = "$Id$"; |
2 |
> |
static const char RCSid[] = "$Id$"; |
3 |
|
#endif |
4 |
|
/* |
5 |
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* rcalc.c - record calculator program. |
7 |
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* 9/11/87 |
8 |
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*/ |
9 |
|
|
10 |
– |
#include <stdio.h> |
11 |
– |
|
10 |
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#include <stdlib.h> |
11 |
< |
|
11 |
> |
#include <fcntl.h> |
12 |
> |
#include <stdio.h> |
13 |
> |
#include <string.h> |
14 |
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#include <math.h> |
15 |
– |
|
15 |
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#include <ctype.h> |
16 |
|
|
17 |
+ |
#include "platform.h" |
18 |
+ |
#include "rterror.h" |
19 |
+ |
#include "rtmisc.h" |
20 |
+ |
#include "rtio.h" |
21 |
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#include "calcomp.h" |
22 |
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|
20 |
– |
#ifdef CPM |
21 |
– |
#define getc agetc /* text files only, right? */ |
22 |
– |
#endif |
23 |
– |
|
23 |
|
#define isnum(c) (isdigit(c) || (c)=='-' || (c)=='.' \ |
24 |
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|| (c)=='+' || (c)=='e' || (c)=='E') |
25 |
|
|
26 |
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#define isblnk(c) (igneol ? isspace(c) : (c)==' '||(c)=='\t') |
27 |
|
|
28 |
< |
#define INBSIZ 4096 /* longest record */ |
28 |
> |
#define INBSIZ 16384 /* longest record */ |
29 |
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#define MAXCOL 32 /* number of columns recorded */ |
30 |
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|
31 |
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/* field type specifications */ |
57 |
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#define savqstr(s) strcpy(emalloc(strlen(s)+1),s) |
58 |
|
#define freqstr(s) efree(s) |
59 |
|
|
60 |
< |
extern char *strcpy(), *emalloc(), *savestr(); |
61 |
< |
struct strvar *getsvar(); |
60 |
> |
static int getinputrec(FILE *fp); |
61 |
> |
static void scaninp(void), advinp(void), resetinp(void); |
62 |
> |
static void putrec(void), putout(void), nbsynch(void); |
63 |
> |
static int getrec(void); |
64 |
> |
static void execute(char *file); |
65 |
> |
static void initinp(FILE *fp); |
66 |
> |
static void svpreset(char *eqn); |
67 |
> |
static void readfmt(char *spec, int output); |
68 |
> |
static int readfield(char **pp); |
69 |
> |
static int getfield(struct field *f); |
70 |
> |
static void chanset(int n, double v); |
71 |
> |
static void bchanset(int n, double v); |
72 |
> |
static struct strvar* getsvar(char *svname); |
73 |
> |
static double l_in(char *); |
74 |
|
|
75 |
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struct field *inpfmt = NULL; /* input record format */ |
76 |
|
struct field *outfmt = NULL; /* output record structure */ |
78 |
|
|
79 |
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int blnkeq = 1; /* blanks compare equal? */ |
80 |
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int igneol = 0; /* ignore end of line? */ |
81 |
+ |
int passive = 0; /* passive mode (transmit unmatched input) */ |
82 |
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char sepchar = '\t'; /* input/output separator */ |
83 |
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int noinput = 0; /* no input records? */ |
84 |
+ |
int nbicols = 0; /* number of binary input columns */ |
85 |
+ |
int bocols = 0; /* produce binary output columns */ |
86 |
|
char inpbuf[INBSIZ]; /* input buffer */ |
87 |
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double colval[MAXCOL]; /* input column values */ |
88 |
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unsigned long colflg = 0; /* column retrieved flags */ |
100 |
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} ipb; /* circular lookahead buffer */ |
101 |
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|
102 |
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|
103 |
< |
main(argc, argv) |
104 |
< |
int argc; |
105 |
< |
char *argv[]; |
103 |
> |
int |
104 |
> |
main( |
105 |
> |
int argc, |
106 |
> |
char *argv[] |
107 |
> |
) |
108 |
|
{ |
109 |
|
int i; |
110 |
|
|
111 |
< |
esupport |= (E_VARIABLE|E_FUNCTION|E_INCHAN|E_OUTCHAN|E_RCONST); |
111 |
> |
esupport |= E_VARIABLE|E_FUNCTION|E_INCHAN|E_OUTCHAN|E_RCONST; |
112 |
> |
esupport &= ~(E_REDEFW); |
113 |
|
|
114 |
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#ifdef BIGGERLIB |
115 |
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biggerlib(); |
116 |
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#endif |
117 |
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varset("PI", ':', 3.14159265358979323846); |
118 |
+ |
funset("in", 1, '=', &l_in); |
119 |
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|
120 |
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for (i = 1; i < argc && argv[i][0] == '-'; i++) |
121 |
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switch (argv[i][1]) { |
125 |
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case 'l': |
126 |
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igneol = !igneol; |
127 |
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break; |
128 |
+ |
case 'p': |
129 |
+ |
passive = !passive; |
130 |
+ |
break; |
131 |
|
case 't': |
132 |
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sepchar = argv[i][2]; |
133 |
|
break; |
144 |
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noinput = 1; |
145 |
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break; |
146 |
|
case 'i': |
147 |
< |
readfmt(argv[++i], 0); |
147 |
> |
switch (argv[i][2]) { |
148 |
> |
case '\0': |
149 |
> |
nbicols = 0; |
150 |
> |
readfmt(argv[++i], 0); |
151 |
> |
break; |
152 |
> |
case 'a': |
153 |
> |
nbicols = 0; |
154 |
> |
break; |
155 |
> |
case 'd': |
156 |
> |
if (isdigit(argv[i][3])) |
157 |
> |
nbicols = atoi(argv[i]+3); |
158 |
> |
else |
159 |
> |
nbicols = 1; |
160 |
> |
if (nbicols*sizeof(double) > INBSIZ) { |
161 |
> |
eputs(argv[0]); |
162 |
> |
eputs(": too many input columns\n"); |
163 |
> |
quit(1); |
164 |
> |
} |
165 |
> |
break; |
166 |
> |
case 'f': |
167 |
> |
if (isdigit(argv[i][3])) |
168 |
> |
nbicols = -atoi(argv[i]+3); |
169 |
> |
else |
170 |
> |
nbicols = -1; |
171 |
> |
if (-nbicols*sizeof(float) > INBSIZ) { |
172 |
> |
eputs(argv[0]); |
173 |
> |
eputs(": too many input columns\n"); |
174 |
> |
quit(1); |
175 |
> |
} |
176 |
> |
break; |
177 |
> |
default: |
178 |
> |
goto userr; |
179 |
> |
} |
180 |
|
break; |
181 |
|
case 'o': |
182 |
< |
readfmt(argv[++i], 1); |
182 |
> |
switch (argv[i][2]) { |
183 |
> |
case '\0': |
184 |
> |
bocols = 0; |
185 |
> |
readfmt(argv[++i], 1); |
186 |
> |
break; |
187 |
> |
case 'a': |
188 |
> |
bocols = 0; |
189 |
> |
break; |
190 |
> |
case 'd': |
191 |
> |
bocols = 1; |
192 |
> |
break; |
193 |
> |
case 'f': |
194 |
> |
bocols = -1; |
195 |
> |
break; |
196 |
> |
} |
197 |
|
break; |
198 |
|
case 'w': |
199 |
|
nowarn = !nowarn; |
201 |
|
case 'u': |
202 |
|
unbuff = !unbuff; |
203 |
|
break; |
204 |
< |
default: |
204 |
> |
default:; |
205 |
> |
userr: |
206 |
|
eputs("Usage: "); |
207 |
|
eputs(argv[0]); |
208 |
< |
eputs(" [-b][-l][-n][-w][-u][-tS][-s svar=sval][-e expr][-f source][-i infmt][-o outfmt] [file]\n"); |
208 |
> |
eputs(" [-b][-l][-n][-p][-w][-u][-tS][-s svar=sval][-e expr][-f source][-i infmt][-o outfmt] [file]\n"); |
209 |
|
quit(1); |
210 |
|
} |
211 |
|
|
212 |
|
if (noinput) { /* produce a single output record */ |
213 |
+ |
if (i < argc) { |
214 |
+ |
eputs(argv[0]); |
215 |
+ |
eputs(": file argument(s) incompatible with -n\n"); |
216 |
+ |
quit(1); |
217 |
+ |
} |
218 |
|
eclock++; |
219 |
|
putout(); |
220 |
|
quit(0); |
230 |
|
execute(argv[i]); |
231 |
|
|
232 |
|
quit(0); |
233 |
+ |
return 0; /* pro forma return */ |
234 |
|
} |
235 |
|
|
236 |
|
|
237 |
< |
nbsynch() /* non-blank starting synch character */ |
237 |
> |
static void |
238 |
> |
nbsynch(void) /* non-blank starting synch character */ |
239 |
|
{ |
240 |
|
if (inpfmt == NULL || (inpfmt->type & F_TYP) != T_LIT) |
241 |
|
return; |
246 |
|
} |
247 |
|
|
248 |
|
|
249 |
< |
execute(file) /* process a file */ |
250 |
< |
char *file; |
249 |
> |
static int |
250 |
> |
getinputrec( /* get next input record */ |
251 |
> |
FILE *fp |
252 |
> |
) |
253 |
|
{ |
254 |
+ |
if (inpfmt != NULL) |
255 |
+ |
return(getrec()); |
256 |
+ |
if (nbicols > 0) |
257 |
+ |
return(fread(inpbuf, sizeof(double), |
258 |
+ |
nbicols, fp) == nbicols); |
259 |
+ |
if (nbicols < 0) |
260 |
+ |
return(fread(inpbuf, sizeof(float), |
261 |
+ |
-nbicols, fp) == -nbicols); |
262 |
+ |
return(fgets(inpbuf, INBSIZ, fp) != NULL); |
263 |
+ |
} |
264 |
+ |
|
265 |
+ |
|
266 |
+ |
static void |
267 |
+ |
execute( /* process a file */ |
268 |
+ |
char *file |
269 |
+ |
) |
270 |
+ |
{ |
271 |
|
int conditional = vardefined("cond"); |
272 |
|
long nrecs = 0; |
273 |
|
long nout = 0; |
282 |
|
} |
283 |
|
if (inpfmt != NULL) |
284 |
|
initinp(fp); |
285 |
< |
|
286 |
< |
while (inpfmt != NULL ? getrec() : fgets(inpbuf, INBSIZ, fp) != NULL) { |
285 |
> |
|
286 |
> |
while (getinputrec(fp)) { |
287 |
|
varset("recno", '=', (double)++nrecs); |
288 |
|
colflg = 0; |
289 |
|
eclock++; |
296 |
|
} |
297 |
|
|
298 |
|
|
299 |
< |
putout() /* produce an output record */ |
299 |
> |
static void |
300 |
> |
putout(void) /* produce an output record */ |
301 |
|
{ |
207 |
– |
extern int chanset(); |
302 |
|
|
303 |
|
colpos = 0; |
304 |
|
if (outfmt != NULL) |
305 |
|
putrec(); |
306 |
+ |
else if (bocols) |
307 |
+ |
chanout(bchanset); |
308 |
|
else |
309 |
|
chanout(chanset); |
310 |
< |
if (colpos) |
310 |
> |
if (colpos && !bocols) |
311 |
|
putchar('\n'); |
312 |
|
if (unbuff) |
313 |
|
fflush(stdout); |
314 |
|
} |
315 |
|
|
316 |
|
|
317 |
+ |
static double |
318 |
+ |
l_in(char *funame) /* function call for $channel */ |
319 |
+ |
{ |
320 |
+ |
int n; |
321 |
+ |
register char *cp; |
322 |
+ |
/* get argument as integer */ |
323 |
+ |
n = (int)(argument(1) + .5); |
324 |
+ |
if (n != 0) /* return channel value */ |
325 |
+ |
return(chanvalue(n)); |
326 |
+ |
/* determine number of channels */ |
327 |
+ |
if (noinput || inpfmt != NULL) |
328 |
+ |
return(0); |
329 |
+ |
if (nbicols > 0) |
330 |
+ |
return(nbicols); |
331 |
+ |
if (nbicols < 0) |
332 |
+ |
return(-nbicols); |
333 |
+ |
cp = inpbuf; /* need to count */ |
334 |
+ |
for (n = 0; *cp; ) |
335 |
+ |
if (blnkeq && isspace(sepchar)) { |
336 |
+ |
while (isspace(*cp)) |
337 |
+ |
cp++; |
338 |
+ |
n += *cp != '\0'; |
339 |
+ |
while (*cp && !isspace(*cp)) |
340 |
+ |
cp++; |
341 |
+ |
} else { |
342 |
+ |
n += *cp != '\n'; |
343 |
+ |
while (*cp && *cp++ != sepchar) |
344 |
+ |
; |
345 |
+ |
} |
346 |
+ |
return(n); |
347 |
+ |
} |
348 |
+ |
|
349 |
|
double |
350 |
< |
chanvalue(n) /* return value for column n */ |
351 |
< |
int n; |
350 |
> |
chanvalue( /* return value for column n */ |
351 |
> |
int n |
352 |
> |
) |
353 |
|
{ |
354 |
|
int i; |
355 |
|
register char *cp; |
362 |
|
eputs("illegal channel number\n"); |
363 |
|
quit(1); |
364 |
|
} |
365 |
+ |
if (nbicols > 0) { |
366 |
+ |
if (n > nbicols) |
367 |
+ |
return(0.0); |
368 |
+ |
cp = inpbuf + (n-1)*sizeof(double); |
369 |
+ |
return(*(double *)cp); |
370 |
+ |
} |
371 |
+ |
if (nbicols < 0) { |
372 |
+ |
if (n > -nbicols) |
373 |
+ |
return(0.0); |
374 |
+ |
cp = inpbuf + (n-1)*sizeof(float); |
375 |
+ |
return(*(float *)cp); |
376 |
+ |
} |
377 |
|
if (n <= MAXCOL && colflg & 1L<<(n-1)) |
378 |
|
return(colval[n-1]); |
379 |
|
|
399 |
|
} |
400 |
|
|
401 |
|
|
402 |
< |
chanset(n, v) /* output column n */ |
403 |
< |
int n; |
404 |
< |
double v; |
402 |
> |
void |
403 |
> |
chanset( /* output column n */ |
404 |
> |
int n, |
405 |
> |
double v |
406 |
> |
) |
407 |
|
{ |
408 |
|
if (colpos == 0) /* no leading separator */ |
409 |
|
colpos = 1; |
415 |
|
} |
416 |
|
|
417 |
|
|
418 |
< |
readfmt(spec, output) /* read record format */ |
419 |
< |
char *spec; |
420 |
< |
int output; |
418 |
> |
void |
419 |
> |
bchanset( /* output binary channel n */ |
420 |
> |
int n, |
421 |
> |
double v |
422 |
> |
) |
423 |
|
{ |
424 |
+ |
static char zerobuf[sizeof(double)]; |
425 |
+ |
|
426 |
+ |
while (++colpos < n) |
427 |
+ |
fwrite(zerobuf, |
428 |
+ |
bocols>0 ? sizeof(double) : sizeof(float), |
429 |
+ |
1, stdout); |
430 |
+ |
if (bocols > 0) |
431 |
+ |
fwrite(&v, sizeof(double), 1, stdout); |
432 |
+ |
else { |
433 |
+ |
float fval = v; |
434 |
+ |
fwrite(&fval, sizeof(float), 1, stdout); |
435 |
+ |
} |
436 |
+ |
} |
437 |
+ |
|
438 |
+ |
|
439 |
+ |
static void |
440 |
+ |
readfmt( /* read record format */ |
441 |
+ |
char *spec, |
442 |
+ |
int output |
443 |
+ |
) |
444 |
+ |
{ |
445 |
|
int fd; |
446 |
|
char *inptr; |
447 |
|
struct field fmt; |
459 |
|
eputs(": cannot open\n"); |
460 |
|
quit(1); |
461 |
|
} |
462 |
< |
res = read(fd, inpbuf+1, INBSIZ-1); |
462 |
> |
res = read(fd, inpbuf+2, INBSIZ-2); |
463 |
|
if (res <= 0 || res >= INBSIZ-1) { |
464 |
|
eputs(spec); |
465 |
|
if (res < 0) |
471 |
|
quit(1); |
472 |
|
} |
473 |
|
close(fd); |
474 |
< |
(inptr=inpbuf+1)[res] = '\0'; |
474 |
> |
(inptr=inpbuf+2)[res] = '\0'; |
475 |
|
} |
476 |
|
f = &fmt; /* get fields */ |
477 |
|
while ((res = readfield(&inptr)) != F_NUL) { |
504 |
|
} |
505 |
|
|
506 |
|
|
507 |
< |
int |
508 |
< |
readfield(pp) /* get next field in format */ |
509 |
< |
register char **pp; |
507 |
> |
static int |
508 |
> |
readfield( /* get next field in format */ |
509 |
> |
register char **pp |
510 |
> |
) |
511 |
|
{ |
512 |
|
int type = F_NUL; |
513 |
|
int width = 0; |
572 |
|
|
573 |
|
|
574 |
|
struct strvar * |
575 |
< |
getsvar(svname) /* get string variable */ |
576 |
< |
char *svname; |
575 |
> |
getsvar( /* get string variable */ |
576 |
> |
char *svname |
577 |
> |
) |
578 |
|
{ |
579 |
|
register struct strvar *sv; |
580 |
|
|
590 |
|
} |
591 |
|
|
592 |
|
|
593 |
< |
svpreset(eqn) /* preset a string variable */ |
594 |
< |
char *eqn; |
593 |
> |
static void |
594 |
> |
svpreset( /* preset a string variable */ |
595 |
> |
char *eqn |
596 |
> |
) |
597 |
|
{ |
598 |
|
register struct strvar *sv; |
599 |
|
register char *val; |
612 |
|
} |
613 |
|
|
614 |
|
|
615 |
< |
clearrec() /* clear input record variables */ |
615 |
> |
static void |
616 |
> |
clearrec(void) /* clear input record variables */ |
617 |
|
{ |
618 |
|
register struct field *f; |
619 |
|
|
632 |
|
} |
633 |
|
|
634 |
|
|
635 |
< |
getrec() /* get next record from file */ |
635 |
> |
static int |
636 |
> |
getrec(void) /* get next record from file */ |
637 |
|
{ |
638 |
|
int eatline; |
639 |
|
register struct field *f; |
640 |
< |
|
640 |
> |
|
641 |
|
while (ipb.chr != EOF) { |
470 |
– |
eatline = !igneol && ipb.chr != '\n'; |
642 |
|
if (blnkeq) /* beware of nbsynch() */ |
643 |
|
while (isblnk(ipb.chr)) |
644 |
< |
scaninp(); |
644 |
> |
resetinp(); |
645 |
> |
eatline = (!igneol && ipb.chr != '\n'); |
646 |
|
clearrec(); /* start with fresh record */ |
647 |
|
for (f = inpfmt; f != NULL; f = f->next) |
648 |
|
if (getfield(f) == -1) |
649 |
|
break; |
650 |
|
if (f == NULL) { |
651 |
< |
advinp(); |
651 |
> |
advinp(); /* got one! */ |
652 |
|
return(1); |
653 |
|
} |
654 |
< |
resetinp(); |
654 |
> |
resetinp(); /* eat false start */ |
655 |
|
if (eatline) { /* eat rest of line */ |
656 |
|
while (ipb.chr != '\n') { |
657 |
|
if (ipb.chr == EOF) |
658 |
|
return(0); |
659 |
< |
scaninp(); |
659 |
> |
resetinp(); |
660 |
|
} |
661 |
< |
scaninp(); |
490 |
< |
advinp(); |
661 |
> |
resetinp(); |
662 |
|
} |
663 |
|
} |
664 |
|
return(0); |
665 |
|
} |
666 |
|
|
667 |
|
|
668 |
< |
getfield(f) /* get next field */ |
669 |
< |
register struct field *f; |
668 |
> |
static int |
669 |
> |
getfield( /* get next field */ |
670 |
> |
register struct field *f |
671 |
> |
) |
672 |
|
{ |
673 |
< |
static char buf[MAXWORD+1]; /* no recursion! */ |
673 |
> |
static char buf[RMAXWORD+1]; /* no recursion! */ |
674 |
|
int delim, inword; |
675 |
|
double d; |
676 |
|
char *np; |
703 |
|
delim = f->next->f.sl[0]; |
704 |
|
cp = buf; |
705 |
|
do { |
706 |
< |
if (ipb.chr == EOF) |
706 |
> |
if (ipb.chr == EOF || ipb.chr == '\n') |
707 |
|
inword = 0; |
708 |
|
else if (blnkeq && delim != EOF) |
709 |
|
inword = isblnk(delim) ? |
715 |
|
*cp++ = ipb.chr; |
716 |
|
scaninp(); |
717 |
|
} |
718 |
< |
} while (inword && cp < &buf[MAXWORD]); |
718 |
> |
} while (inword && cp < &buf[RMAXWORD]); |
719 |
|
*cp = '\0'; |
720 |
|
if (f->f.sv->val == NULL) |
721 |
|
f->f.sv->val = savqstr(buf); /* first setting */ |
744 |
|
*cp++ = ipb.chr; |
745 |
|
scaninp(); |
746 |
|
} |
747 |
< |
} while (inword && cp < &buf[MAXWORD]); |
747 |
> |
} while (inword && cp < &buf[RMAXWORD]); |
748 |
|
*cp = '\0'; |
749 |
|
d = np==NULL ? 0. : atof(np); |
750 |
|
if (!vardefined(f->f.nv)) |
754 |
|
return(-1); /* doesn't match! */ |
755 |
|
return(0); |
756 |
|
} |
757 |
+ |
return -1; /* pro forma return */ |
758 |
|
} |
759 |
|
|
760 |
|
|
761 |
< |
putrec() /* output a record */ |
761 |
> |
static void |
762 |
> |
putrec(void) /* output a record */ |
763 |
|
{ |
764 |
|
char fmt[32]; |
765 |
|
register int n; |
809 |
|
} |
810 |
|
|
811 |
|
|
812 |
< |
initinp(fp) /* prepare lookahead buffer */ |
813 |
< |
FILE *fp; |
812 |
> |
static void |
813 |
> |
initinp(FILE *fp) /* prepare lookahead buffer */ |
814 |
> |
|
815 |
|
{ |
816 |
|
ipb.fin = fp; |
817 |
|
ipb.beg = ipb.end = inpbuf; |
821 |
|
} |
822 |
|
|
823 |
|
|
824 |
< |
scaninp() /* scan next character */ |
824 |
> |
static void |
825 |
> |
scaninp(void) /* scan next character */ |
826 |
|
{ |
827 |
|
if (ipb.chr == EOF) |
828 |
|
return; |
841 |
|
} |
842 |
|
|
843 |
|
|
844 |
< |
advinp() /* move home to current position */ |
844 |
> |
static void |
845 |
> |
advinp(void) /* move home to current position */ |
846 |
|
{ |
847 |
|
ipb.beg = ipb.pos; |
848 |
|
} |
849 |
|
|
850 |
|
|
851 |
< |
resetinp() /* rewind position and advance 1 */ |
851 |
> |
static void |
852 |
> |
resetinp(void) /* rewind position and advance 1 */ |
853 |
|
{ |
854 |
|
if (ipb.beg == NULL) /* full */ |
855 |
|
ipb.beg = ipb.end; |
856 |
|
ipb.pos = ipb.beg; |
857 |
|
ipb.chr = *ipb.pos; |
858 |
+ |
if (passive) /* transmit unmatched character? */ |
859 |
+ |
fputc(ipb.chr, stdout); |
860 |
|
if (++ipb.beg >= &inpbuf[INBSIZ]) |
861 |
|
ipb.beg = inpbuf; |
862 |
|
scaninp(); |
864 |
|
|
865 |
|
|
866 |
|
void |
867 |
< |
eputs(msg) |
687 |
< |
char *msg; |
867 |
> |
eputs(char *msg) |
868 |
|
{ |
869 |
|
fputs(msg, stderr); |
870 |
|
} |
871 |
|
|
872 |
|
|
873 |
|
void |
874 |
< |
wputs(msg) |
695 |
< |
char *msg; |
874 |
> |
wputs(char *msg) |
875 |
|
{ |
876 |
|
if (!nowarn) |
877 |
|
eputs(msg); |
879 |
|
|
880 |
|
|
881 |
|
void |
882 |
< |
quit(code) |
704 |
< |
int code; |
882 |
> |
quit(int code) |
883 |
|
{ |
884 |
|
exit(code); |
885 |
|
} |