| 8 |
|
*/ |
| 9 |
|
|
| 10 |
|
#include <stdlib.h> |
| 11 |
+ |
#include <fcntl.h> |
| 12 |
|
#include <stdio.h> |
| 13 |
|
#include <string.h> |
| 14 |
|
#include <math.h> |
| 15 |
|
#include <ctype.h> |
| 16 |
|
|
| 17 |
|
#include "platform.h" |
| 18 |
+ |
#include "rterror.h" |
| 19 |
+ |
#include "rtmisc.h" |
| 20 |
+ |
#include "rtio.h" |
| 21 |
|
#include "calcomp.h" |
| 22 |
|
|
| 19 |
– |
#ifdef CPM |
| 20 |
– |
#define getc agetc /* text files only, right? */ |
| 21 |
– |
#endif |
| 22 |
– |
|
| 23 |
|
#define isnum(c) (isdigit(c) || (c)=='-' || (c)=='.' \ |
| 24 |
|
|| (c)=='+' || (c)=='e' || (c)=='E') |
| 25 |
|
|
| 26 |
|
#define isblnk(c) (igneol ? isspace(c) : (c)==' '||(c)=='\t') |
| 27 |
|
|
| 28 |
< |
#define INBSIZ 4096 /* longest record */ |
| 28 |
> |
#define INBSIZ 16384 /* longest record */ |
| 29 |
|
#define MAXCOL 32 /* number of columns recorded */ |
| 30 |
|
|
| 31 |
|
/* field type specifications */ |
| 57 |
|
#define savqstr(s) strcpy(emalloc(strlen(s)+1),s) |
| 58 |
|
#define freqstr(s) efree(s) |
| 59 |
|
|
| 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); |
| 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 |
|
struct field *inpfmt = NULL; /* input record format */ |
| 76 |
|
struct field *outfmt = NULL; /* output record structure */ |
| 78 |
|
|
| 79 |
|
int blnkeq = 1; /* blanks compare equal? */ |
| 80 |
|
int igneol = 0; /* ignore end of line? */ |
| 81 |
+ |
int passive = 0; /* passive mode (transmit unmatched input) */ |
| 82 |
|
char sepchar = '\t'; /* input/output separator */ |
| 83 |
|
int noinput = 0; /* no input records? */ |
| 84 |
|
int nbicols = 0; /* number of binary input columns */ |
| 115 |
|
biggerlib(); |
| 116 |
|
#endif |
| 117 |
|
varset("PI", ':', 3.14159265358979323846); |
| 118 |
+ |
funset("in", 1, '=', &l_in); |
| 119 |
|
|
| 120 |
|
for (i = 1; i < argc && argv[i][0] == '-'; i++) |
| 121 |
|
switch (argv[i][1]) { |
| 125 |
|
case 'l': |
| 126 |
|
igneol = !igneol; |
| 127 |
|
break; |
| 128 |
+ |
case 'p': |
| 129 |
+ |
passive = !passive; |
| 130 |
+ |
break; |
| 131 |
|
case 't': |
| 132 |
|
sepchar = argv[i][2]; |
| 133 |
|
break; |
| 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; |
| 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 |
|
|
| 225 |
|
execute(argv[i]); |
| 226 |
|
|
| 227 |
|
quit(0); |
| 228 |
+ |
return 0; /* pro forma return */ |
| 229 |
|
} |
| 230 |
|
|
| 231 |
|
|
| 241 |
|
} |
| 242 |
|
|
| 243 |
|
|
| 244 |
< |
int |
| 244 |
> |
static int |
| 245 |
|
getinputrec( /* get next input record */ |
| 246 |
|
FILE *fp |
| 247 |
|
) |
| 309 |
|
} |
| 310 |
|
|
| 311 |
|
|
| 312 |
+ |
static double |
| 313 |
+ |
l_in(char *funame) /* function call for $channel */ |
| 314 |
+ |
{ |
| 315 |
+ |
int n; |
| 316 |
+ |
register char *cp; |
| 317 |
+ |
/* get argument as integer */ |
| 318 |
+ |
n = (int)(argument(1) + .5); |
| 319 |
+ |
if (n != 0) /* return channel value */ |
| 320 |
+ |
return(chanvalue(n)); |
| 321 |
+ |
/* determine number of channels */ |
| 322 |
+ |
if (noinput || inpfmt != NULL) |
| 323 |
+ |
return(0); |
| 324 |
+ |
if (nbicols > 0) |
| 325 |
+ |
return(nbicols); |
| 326 |
+ |
if (nbicols < 0) |
| 327 |
+ |
return(-nbicols); |
| 328 |
+ |
cp = inpbuf; /* need to count */ |
| 329 |
+ |
for (n = 0; *cp; ) |
| 330 |
+ |
if (blnkeq && isspace(sepchar)) { |
| 331 |
+ |
while (isspace(*cp)) |
| 332 |
+ |
cp++; |
| 333 |
+ |
n += *cp != '\0'; |
| 334 |
+ |
while (*cp && !isspace(*cp)) |
| 335 |
+ |
cp++; |
| 336 |
+ |
} else { |
| 337 |
+ |
n += *cp != '\n'; |
| 338 |
+ |
while (*cp && *cp++ != sepchar) |
| 339 |
+ |
; |
| 340 |
+ |
} |
| 341 |
+ |
return(n); |
| 342 |
+ |
} |
| 343 |
+ |
|
| 344 |
|
double |
| 345 |
|
chanvalue( /* return value for column n */ |
| 346 |
|
int n |
| 454 |
|
eputs(": cannot open\n"); |
| 455 |
|
quit(1); |
| 456 |
|
} |
| 457 |
< |
res = read(fd, inpbuf+1, INBSIZ-1); |
| 457 |
> |
res = read(fd, inpbuf+2, INBSIZ-2); |
| 458 |
|
if (res <= 0 || res >= INBSIZ-1) { |
| 459 |
|
eputs(spec); |
| 460 |
|
if (res < 0) |
| 466 |
|
quit(1); |
| 467 |
|
} |
| 468 |
|
close(fd); |
| 469 |
< |
(inptr=inpbuf+1)[res] = '\0'; |
| 469 |
> |
(inptr=inpbuf+2)[res] = '\0'; |
| 470 |
|
} |
| 471 |
|
f = &fmt; /* get fields */ |
| 472 |
|
while ((res = readfield(&inptr)) != F_NUL) { |
| 628 |
|
|
| 629 |
|
|
| 630 |
|
static int |
| 631 |
< |
getrec(void) /* get next record from file */ |
| 631 |
> |
getrec(void) /* get next record from file */ |
| 632 |
|
{ |
| 633 |
|
int eatline; |
| 634 |
|
register struct field *f; |
| 635 |
< |
|
| 635 |
> |
|
| 636 |
|
while (ipb.chr != EOF) { |
| 587 |
– |
eatline = !igneol && ipb.chr != '\n'; |
| 637 |
|
if (blnkeq) /* beware of nbsynch() */ |
| 638 |
|
while (isblnk(ipb.chr)) |
| 639 |
< |
scaninp(); |
| 639 |
> |
resetinp(); |
| 640 |
> |
eatline = (!igneol && ipb.chr != '\n'); |
| 641 |
|
clearrec(); /* start with fresh record */ |
| 642 |
|
for (f = inpfmt; f != NULL; f = f->next) |
| 643 |
|
if (getfield(f) == -1) |
| 644 |
|
break; |
| 645 |
|
if (f == NULL) { |
| 646 |
< |
advinp(); |
| 646 |
> |
advinp(); /* got one! */ |
| 647 |
|
return(1); |
| 648 |
|
} |
| 649 |
< |
resetinp(); |
| 649 |
> |
resetinp(); /* eat false start */ |
| 650 |
|
if (eatline) { /* eat rest of line */ |
| 651 |
|
while (ipb.chr != '\n') { |
| 652 |
|
if (ipb.chr == EOF) |
| 653 |
|
return(0); |
| 654 |
< |
scaninp(); |
| 654 |
> |
resetinp(); |
| 655 |
|
} |
| 656 |
< |
scaninp(); |
| 607 |
< |
advinp(); |
| 656 |
> |
resetinp(); |
| 657 |
|
} |
| 658 |
|
} |
| 659 |
|
return(0); |
| 665 |
|
register struct field *f |
| 666 |
|
) |
| 667 |
|
{ |
| 668 |
< |
static char buf[MAXWORD+1]; /* no recursion! */ |
| 668 |
> |
static char buf[RMAXWORD+1]; /* no recursion! */ |
| 669 |
|
int delim, inword; |
| 670 |
|
double d; |
| 671 |
|
char *np; |
| 698 |
|
delim = f->next->f.sl[0]; |
| 699 |
|
cp = buf; |
| 700 |
|
do { |
| 701 |
< |
if (ipb.chr == EOF) |
| 701 |
> |
if (ipb.chr == EOF || ipb.chr == '\n') |
| 702 |
|
inword = 0; |
| 703 |
|
else if (blnkeq && delim != EOF) |
| 704 |
|
inword = isblnk(delim) ? |
| 710 |
|
*cp++ = ipb.chr; |
| 711 |
|
scaninp(); |
| 712 |
|
} |
| 713 |
< |
} while (inword && cp < &buf[MAXWORD]); |
| 713 |
> |
} while (inword && cp < &buf[RMAXWORD]); |
| 714 |
|
*cp = '\0'; |
| 715 |
|
if (f->f.sv->val == NULL) |
| 716 |
|
f->f.sv->val = savqstr(buf); /* first setting */ |
| 739 |
|
*cp++ = ipb.chr; |
| 740 |
|
scaninp(); |
| 741 |
|
} |
| 742 |
< |
} while (inword && cp < &buf[MAXWORD]); |
| 742 |
> |
} while (inword && cp < &buf[RMAXWORD]); |
| 743 |
|
*cp = '\0'; |
| 744 |
|
d = np==NULL ? 0. : atof(np); |
| 745 |
|
if (!vardefined(f->f.nv)) |
| 850 |
|
ipb.beg = ipb.end; |
| 851 |
|
ipb.pos = ipb.beg; |
| 852 |
|
ipb.chr = *ipb.pos; |
| 853 |
+ |
if (passive) /* transmit unmatched character? */ |
| 854 |
+ |
fputc(ipb.chr, stdout); |
| 855 |
|
if (++ipb.beg >= &inpbuf[INBSIZ]) |
| 856 |
|
ipb.beg = inpbuf; |
| 857 |
|
scaninp(); |