| 1 |
/* Copyright (c) 1995 Regents of the University of California */ |
| 2 |
|
| 3 |
#ifndef lint |
| 4 |
static char SCCSid[] = "$SunId$ LBL"; |
| 5 |
#endif |
| 6 |
|
| 7 |
/* |
| 8 |
* Read white space separated values from stream |
| 9 |
*/ |
| 10 |
|
| 11 |
#include <stdio.h> |
| 12 |
|
| 13 |
#include <math.h> |
| 14 |
|
| 15 |
#include <ctype.h> |
| 16 |
|
| 17 |
|
| 18 |
#ifdef DCL_ATOF |
| 19 |
extern double atof(); |
| 20 |
#endif |
| 21 |
extern int atoi(); |
| 22 |
extern long atol(); |
| 23 |
extern char *strcpy(); |
| 24 |
|
| 25 |
|
| 26 |
int |
| 27 |
fgetval(fp, ty, vp) /* get specified data word */ |
| 28 |
register FILE *fp; |
| 29 |
int ty; |
| 30 |
char *vp; |
| 31 |
{ |
| 32 |
char wrd[64]; |
| 33 |
register char *cp; |
| 34 |
register int c; |
| 35 |
/* elide comments (# to EOL) */ |
| 36 |
do { |
| 37 |
while ((c = getc(fp)) != EOF && isspace(c)) |
| 38 |
; |
| 39 |
if (c == '#') |
| 40 |
while ((c = getc(fp)) != EOF && c != '\n') |
| 41 |
; |
| 42 |
} while (c == '\n'); |
| 43 |
if (c == EOF) |
| 44 |
return(EOF); |
| 45 |
/* get word */ |
| 46 |
cp = wrd; |
| 47 |
do { |
| 48 |
*cp++ = c; |
| 49 |
if (cp - wrd >= sizeof(wrd)) |
| 50 |
return(0); |
| 51 |
} while ((c = getc(fp)) != EOF && !isspace(c) && c != '#'); |
| 52 |
if (c != EOF) |
| 53 |
ungetc(c, fp); |
| 54 |
*cp = '\0'; |
| 55 |
switch (ty) { /* check and convert it */ |
| 56 |
case 'h': /* short */ |
| 57 |
if (!isint(wrd)) |
| 58 |
return(0); |
| 59 |
*(short *)vp = c = atoi(wrd); |
| 60 |
if (*(short *)vp != c) |
| 61 |
return(0); |
| 62 |
return(1); |
| 63 |
case 'i': /* integer */ |
| 64 |
if (!isint(wrd)) |
| 65 |
return(0); |
| 66 |
*(int *)vp = atoi(wrd); |
| 67 |
return(1); |
| 68 |
case 'l': /* long */ |
| 69 |
if (!isint(wrd)) |
| 70 |
return(0); |
| 71 |
*(long *)vp = atol(wrd); |
| 72 |
return(1); |
| 73 |
case 'f': /* float */ |
| 74 |
if (!isflt(wrd)) |
| 75 |
return(0); |
| 76 |
*(float *)vp = atof(wrd); |
| 77 |
return(1); |
| 78 |
case 'd': /* double */ |
| 79 |
if (!isflt(wrd)) |
| 80 |
return(0); |
| 81 |
*(double *)vp = atof(wrd); |
| 82 |
return(1); |
| 83 |
case 's': /* string */ |
| 84 |
strcpy(vp, wrd); |
| 85 |
return(1); |
| 86 |
default: /* unsupported type */ |
| 87 |
return(0); |
| 88 |
} |
| 89 |
} |
