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comparison pads2gpcb/rdunits.c @ 38:aa0539cc3d41

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pads2gpcb project started, skeleton compiles
author Mychaela Falconia <falcon@ivan.Harhan.ORG>
date Mon, 11 Jan 2016 04:56:51 +0000
parents
children 43ba91b137e2
comparison
equal deleted inserted replaced
37:ce887659d12e 38:aa0539cc3d41
1 #include <stdio.h>
2 #include <stdlib.h>
3 #include <ctype.h>
4 #include "globals.h"
5
6 long
7 convert_input_dim(srcstr)
8 char *srcstr;
9 {
10 long accum;
11 int sign = 1;
12 char *cp;
13 int maxdec, ndec;
14
15 cp = srcstr;
16 if (*cp == '-') {
17 cp++;
18 sign = -1;
19 }
20 if (!isdigit(*cp)) {
21 inv: fprintf(stderr, "%s line %d: invalid dimension \"%s\"\n",
22 input_filename, input_lineno, srcstr);
23 exit(1);
24 }
25 for (accum = 0; isdigit(*cp); ) {
26 accum *= 10;
27 accum += *cp++ - '0';
28 }
29 switch (input_units_current) {
30 case 'B':
31 maxdec = 0;
32 break;
33 case 'I':
34 maxdec = 2;
35 break;
36 case 'M':
37 maxdec = 6;
38 break;
39 }
40 if (*cp == '.') {
41 cp++;
42 for (ndec = 0; isdigit(*cp); ndec++) {
43 if (ndec >= maxdec) {
44 fprintf(stderr,
45 "%s line %d: dimension \"%s\": too many digits after '.'\n",
46 input_filename, input_lineno, srcstr);
47 exit(1);
48 }
49 accum *= 10;
50 accum += *cp++ - '0';
51 }
52 } else
53 ndec = 0;
54 if (*cp)
55 goto inv;
56 while (ndec < maxdec) {
57 accum *= 10;
58 ndec++;
59 }
60 switch (input_units_current) {
61 case 'B':
62 if (accum % 3) {
63 fprintf(stderr,
64 "%s line %d: basic units dimension \"%s\" not divisible by 3\n",
65 input_filename, input_lineno, srcstr);
66 exit(1);
67 }
68 accum /= 3;
69 accum *= 2;
70 break;
71 case 'I':
72 accum *= 254;
73 break;
74 }
75 return(accum * sign);
76 }
77
78 parse_input_angle_90s(srcstr)
79 char *srcstr;
80 {
81 unsigned long num;
82 char *cp;
83
84 num = strtoul(srcstr, &cp, 10);
85 switch (num) {
86 case 0:
87 case 90:
88 case 180:
89 case 270:
90 break;
91 default:
92 return(-1);
93 }
94 if (*cp == '.') {
95 cp++;
96 while (*cp)
97 if (*cp++ != '0')
98 return(-1);
99 } else if (*cp)
100 return(-1);
101 return(num);
102 }