8 |
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*/ |
9 |
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10 |
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#include <stdlib.h> |
11 |
+ |
#include <fcntl.h> |
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#include <stdio.h> |
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#include <string.h> |
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#include <math.h> |
15 |
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#include <ctype.h> |
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|
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#include "platform.h" |
17 |
– |
#include "calcomp.h" |
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#include "rterror.h" |
19 |
+ |
#include "rtmisc.h" |
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+ |
#include "rtio.h" |
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+ |
#include "calcomp.h" |
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|
23 |
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#define isnum(c) (isdigit(c) || (c)=='-' || (c)=='.' \ |
24 |
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|| (c)=='+' || (c)=='e' || (c)=='E') |
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|
26 |
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#define isblnk(c) (igneol ? isspace(c) : (c)==' '||(c)=='\t') |
27 |
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|
28 |
< |
#define INBSIZ 4096 /* longest record */ |
28 |
> |
#define INBSIZ 16384 /* longest record */ |
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#define MAXCOL 32 /* number of columns recorded */ |
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|
31 |
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/* field type specifications */ |
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#define savqstr(s) strcpy(emalloc(strlen(s)+1),s) |
58 |
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#define freqstr(s) efree(s) |
59 |
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|
60 |
+ |
static int getinputrec(FILE *fp); |
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static void scaninp(void), advinp(void), resetinp(void); |
62 |
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static void putrec(void), putout(void), nbsynch(void); |
63 |
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static int getrec(void); |
70 |
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static void chanset(int n, double v); |
71 |
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static void bchanset(int n, double v); |
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static struct strvar* getsvar(char *svname); |
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+ |
static double l_in(char *); |
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|
75 |
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struct field *inpfmt = NULL; /* input record format */ |
76 |
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struct field *outfmt = NULL; /* output record structure */ |
78 |
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|
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 |
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int nbicols = 0; /* number of binary input columns */ |
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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 |
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case 't': |
132 |
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sepchar = argv[i][2]; |
133 |
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break; |
205 |
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userr: |
206 |
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eputs("Usage: "); |
207 |
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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 |
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quit(1); |
210 |
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} |
211 |
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|
212 |
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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 |
|
|
246 |
|
} |
247 |
|
|
248 |
|
|
249 |
< |
int |
249 |
> |
static int |
250 |
|
getinputrec( /* get next input record */ |
251 |
|
FILE *fp |
252 |
|
) |
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( /* return value for column n */ |
351 |
|
int n |
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) { |
633 |
|
|
634 |
|
|
635 |
|
static int |
636 |
< |
getrec(void) /* get next record from file */ |
636 |
> |
getrec(void) /* get next record from file */ |
637 |
|
{ |
638 |
|
int eatline; |
639 |
|
register struct field *f; |
640 |
< |
|
640 |
> |
|
641 |
|
while (ipb.chr != EOF) { |
594 |
– |
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(); |
614 |
< |
advinp(); |
661 |
> |
resetinp(); |
662 |
|
} |
663 |
|
} |
664 |
|
return(0); |
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(); |