|
111
|
1 struct sw {
|
|
|
2 const void *x;
|
|
|
3 int r;
|
|
|
4 };
|
|
|
5 struct sq {
|
|
|
6 struct sw *q_w;
|
|
|
7 int t;
|
|
|
8 int z;
|
|
|
9 };
|
|
|
10
|
|
|
11 int
|
|
|
12 f (int ch, char *fp, char *ap)
|
|
|
13 {
|
|
|
14 register int n;
|
|
|
15 register char *cp;
|
|
|
16 register struct sw *p;
|
|
|
17 register int f;
|
|
|
18 int prec;
|
|
|
19 double _double;
|
|
|
20 int expt;
|
|
|
21 int ndig;
|
|
|
22 char expstr[7];
|
|
|
23 unsigned long long _uquad;
|
|
|
24 struct sq q;
|
|
|
25 struct sw w[8];
|
|
|
26 static char zeroes[16];
|
|
|
27
|
|
|
28 for (;;) {
|
|
|
29 switch (ch) {
|
|
|
30 case 'd':
|
|
|
31 _double = (double) (ap += 8, *((double *) (ap - 8)));
|
|
|
32 break;
|
|
|
33 case 'o':
|
|
|
34 goto nosign;
|
|
|
35 case 'u':
|
|
|
36 _uquad = (f & 0x020 ? (ap += 8, *((long long *) (ap - 8))) : f & 0x010 ? (ap += 4, *((long *) (ap - 4))) : f & 0x040 ? (long)(short)(ap += 4, *((int *) (ap - 4))) : (long)(ap += 4, *((int *) (ap - 4))));
|
|
|
37 goto nosign;
|
|
|
38 case 'x':
|
|
|
39 _uquad = (f & 0x020 ? (ap += 8, *((long long *) (ap - 8))) : f & 0x010 ? (ap += 4, *((long *) (ap - 4))) : f & 0x040 ? (long)(unsigned short)(ap += 4, *((int *) (ap - 4))) : (long)(ap += 4, *((int *) (ap - 4))));
|
|
|
40 nosign:
|
|
|
41 if (_uquad != 0 || prec != 0);
|
|
|
42 break;
|
|
|
43 default:;
|
|
|
44 }
|
|
|
45 if ((f & 0x100) == 0) {
|
|
|
46 } else {
|
|
|
47 if (ch >= 'f') {
|
|
|
48 if (_double == 0) {
|
|
|
49 if (expt < ndig || (f & 0x001) != 0) {
|
|
|
50 { if ((n = (ndig - 1)) > 0) { while (n > 16) {{ p->x = (zeroes); p->r = 16; q.z += 16; p++; if (++q.t >= 8) { if (g(fp, &q)) goto error; p = w; }} n -= 16; }{ p->x = (zeroes); p->r = n; q.z += n; p++; if (++q.t >= 8) { if (g(fp, &q)) goto error; p = w; }}}}
|
|
|
51 }
|
|
|
52 } else if (expt <= 0) {
|
|
|
53 { p->x = ("0"); p->r = 1; q.z += 1; p++; if (++q.t >= 8) { if (g(fp, &q)) goto error; p = w; }}
|
|
|
54 { p->x = 0; p->r = 1; q.z += 1; p++; if (++q.t >= 8) { if (g(fp, &q)) goto error; p = w; }}
|
|
|
55 { if ((n = (-expt)) > 0) { while (n > 16) {{ p->x = (zeroes); p->r = 16; q.z += 16; p++; if (++q.t >= 8) { if (g(fp, &q)) goto error; p = w; }} n -= 16; }{ p->x = (zeroes); p->r = n; q.z += n; p++; if (++q.t >= 8) { if (g(fp, &q)) goto error; p = w; }} }}
|
|
|
56 { p->x = cp; p->r = ndig; q.z += ndig; p++; if (++q.t >= 8) { if (g(fp, &q)) goto error; p = w; }}
|
|
|
57 } else {
|
|
|
58 { p->x = cp; p->r = expt; q.z += expt; p++; if (++q.t >= 8) { if (g(fp, &q)) goto error; p = w; }}
|
|
|
59 cp += expt;
|
|
|
60 { p->x = ("."); p->r = 1; q.z += 1; p++; if (++q.t >= 8) { if (g(fp, &q)) goto error; p = w; }}
|
|
|
61 { p->x = cp; p->r = (ndig-expt); q.z += (ndig-expt); p++; if (++q.t >= 8) { if (g(fp, &q)) goto error; p = w; }}
|
|
|
62 }
|
|
|
63 }
|
|
|
64 }
|
|
|
65 }
|
|
|
66
|
|
|
67 error:;
|
|
|
68 }
|
