source: vendor/gcc/3.2.2/libf2c/libI77/wrtfmt.c

Last change on this file was 2, checked in by bird, 22 years ago

Initial revision

  • Property cvs2svn:cvs-rev set to 1.1
  • Property svn:eol-style set to native
  • Property svn:executable set to *
File size: 7.3 KB
Line 
1#include "config.h"
2#include "f2c.h"
3#include "fio.h"
4#include "fmt.h"
5
6extern icilist *f__svic;
7extern char *f__icptr;
8
9 static int
10mv_cur(Void) /* shouldn't use fseek because it insists on calling fflush */
11 /* instead we know too much about stdio */
12{
13 int cursor = f__cursor;
14 f__cursor = 0;
15 if(f__external == 0) {
16 if(cursor < 0) {
17 if(f__hiwater < f__recpos)
18 f__hiwater = f__recpos;
19 f__recpos += cursor;
20 f__icptr += cursor;
21 if(f__recpos < 0)
22 err(f__elist->cierr, 110, "left off");
23 }
24 else if(cursor > 0) {
25 if(f__recpos + cursor >= f__svic->icirlen)
26 err(f__elist->cierr, 110, "recend");
27 if(f__hiwater <= f__recpos)
28 for(; cursor > 0; cursor--)
29 (*f__putn)(' ');
30 else if(f__hiwater <= f__recpos + cursor) {
31 cursor -= f__hiwater - f__recpos;
32 f__icptr += f__hiwater - f__recpos;
33 f__recpos = f__hiwater;
34 for(; cursor > 0; cursor--)
35 (*f__putn)(' ');
36 }
37 else {
38 f__icptr += cursor;
39 f__recpos += cursor;
40 }
41 }
42 return(0);
43 }
44 if (cursor > 0) {
45 if(f__hiwater <= f__recpos)
46 for(;cursor>0;cursor--) (*f__putn)(' ');
47 else if(f__hiwater <= f__recpos + cursor) {
48 cursor -= f__hiwater - f__recpos;
49 f__recpos = f__hiwater;
50 for(; cursor > 0; cursor--)
51 (*f__putn)(' ');
52 }
53 else {
54 f__recpos += cursor;
55 }
56 }
57 else if (cursor < 0)
58 {
59 if(cursor + f__recpos < 0)
60 err(f__elist->cierr,110,"left off");
61 if(f__hiwater < f__recpos)
62 f__hiwater = f__recpos;
63 f__recpos += cursor;
64 }
65 return(0);
66}
67
68 static int
69#ifdef KR_headers
70wrt_Z(n,w,minlen,len) Uint *n; int w, minlen; ftnlen len;
71#else
72wrt_Z(Uint *n, int w, int minlen, ftnlen len)
73#endif
74{
75 register char *s, *se;
76 register int i, w1;
77 static int one = 1;
78 static char hex[] = "0123456789ABCDEF";
79 s = (char *)n;
80 --len;
81 if (*(char *)&one) {
82 /* little endian */
83 se = s;
84 s += len;
85 i = -1;
86 }
87 else {
88 se = s + len;
89 i = 1;
90 }
91 for(;; s += i)
92 if (s == se || *s)
93 break;
94 w1 = (i*(se-s) << 1) + 1;
95 if (*s & 0xf0)
96 w1++;
97 if (w1 > w)
98 for(i = 0; i < w; i++)
99 (*f__putn)('*');
100 else {
101 if ((minlen -= w1) > 0)
102 w1 += minlen;
103 while(--w >= w1)
104 (*f__putn)(' ');
105 while(--minlen >= 0)
106 (*f__putn)('0');
107 if (!(*s & 0xf0)) {
108 (*f__putn)(hex[*s & 0xf]);
109 if (s == se)
110 return 0;
111 s += i;
112 }
113 for(;; s += i) {
114 (*f__putn)(hex[*s >> 4 & 0xf]);
115 (*f__putn)(hex[*s & 0xf]);
116 if (s == se)
117 break;
118 }
119 }
120 return 0;
121 }
122
123 static int
124#ifdef KR_headers
125wrt_I(n,w,len, base) Uint *n; ftnlen len; register int base;
126#else
127wrt_I(Uint *n, int w, ftnlen len, register int base)
128#endif
129{ int ndigit,sign,spare,i;
130 longint x;
131 char *ans;
132 if(len==sizeof(integer)) x=n->il;
133 else if(len == sizeof(char)) x = n->ic;
134#ifdef Allow_TYQUAD
135 else if (len == sizeof(longint)) x = n->ili;
136#endif
137 else x=n->is;
138 ans=f__icvt(x,&ndigit,&sign, base);
139 spare=w-ndigit;
140 if(sign || f__cplus) spare--;
141 if(spare<0)
142 for(i=0;i<w;i++) (*f__putn)('*');
143 else
144 { for(i=0;i<spare;i++) (*f__putn)(' ');
145 if(sign) (*f__putn)('-');
146 else if(f__cplus) (*f__putn)('+');
147 for(i=0;i<ndigit;i++) (*f__putn)(*ans++);
148 }
149 return(0);
150}
151 static int
152#ifdef KR_headers
153wrt_IM(n,w,m,len,base) Uint *n; ftnlen len; int base;
154#else
155wrt_IM(Uint *n, int w, int m, ftnlen len, int base)
156#endif
157{ int ndigit,sign,spare,i,xsign;
158 longint x;
159 char *ans;
160 if(sizeof(integer)==len) x=n->il;
161 else if(len == sizeof(char)) x = n->ic;
162#ifdef Allow_TYQUAD
163 else if (len == sizeof(longint)) x = n->ili;
164#endif
165 else x=n->is;
166 ans=f__icvt(x,&ndigit,&sign, base);
167 if(sign || f__cplus) xsign=1;
168 else xsign=0;
169 if(ndigit+xsign>w || m+xsign>w)
170 { for(i=0;i<w;i++) (*f__putn)('*');
171 return(0);
172 }
173 if(x==0 && m==0)
174 { for(i=0;i<w;i++) (*f__putn)(' ');
175 return(0);
176 }
177 if(ndigit>=m)
178 spare=w-ndigit-xsign;
179 else
180 spare=w-m-xsign;
181 for(i=0;i<spare;i++) (*f__putn)(' ');
182 if(sign) (*f__putn)('-');
183 else if(f__cplus) (*f__putn)('+');
184 for(i=0;i<m-ndigit;i++) (*f__putn)('0');
185 for(i=0;i<ndigit;i++) (*f__putn)(*ans++);
186 return(0);
187}
188 static int
189#ifdef KR_headers
190wrt_AP(s) char *s;
191#else
192wrt_AP(char *s)
193#endif
194{ char quote;
195 int i;
196
197 if(f__cursor && (i = mv_cur()))
198 return i;
199 quote = *s++;
200 for(;*s;s++)
201 { if(*s!=quote) (*f__putn)(*s);
202 else if(*++s==quote) (*f__putn)(*s);
203 else return(1);
204 }
205 return(1);
206}
207 static int
208#ifdef KR_headers
209wrt_H(a,s) char *s;
210#else
211wrt_H(int a, char *s)
212#endif
213{
214 int i;
215
216 if(f__cursor && (i = mv_cur()))
217 return i;
218 while(a--) (*f__putn)(*s++);
219 return(1);
220}
221#ifdef KR_headers
222wrt_L(n,len, sz) Uint *n; ftnlen sz;
223#else
224wrt_L(Uint *n, int len, ftnlen sz)
225#endif
226{ int i;
227 long x;
228 if(sizeof(long)==sz) x=n->il;
229 else if(sz == sizeof(char)) x = n->ic;
230 else x=n->is;
231 for(i=0;i<len-1;i++)
232 (*f__putn)(' ');
233 if(x) (*f__putn)('T');
234 else (*f__putn)('F');
235 return(0);
236}
237 static int
238#ifdef KR_headers
239wrt_A(p,len) char *p; ftnlen len;
240#else
241wrt_A(char *p, ftnlen len)
242#endif
243{
244 while(len-- > 0) (*f__putn)(*p++);
245 return(0);
246}
247 static int
248#ifdef KR_headers
249wrt_AW(p,w,len) char * p; ftnlen len;
250#else
251wrt_AW(char * p, int w, ftnlen len)
252#endif
253{
254 while(w>len)
255 { w--;
256 (*f__putn)(' ');
257 }
258 while(w-- > 0)
259 (*f__putn)(*p++);
260 return(0);
261}
262
263 static int
264#ifdef KR_headers
265wrt_G(p,w,d,e,len) ufloat *p; ftnlen len;
266#else
267wrt_G(ufloat *p, int w, int d, int e, ftnlen len)
268#endif
269{ double up = 1,x;
270 int i=0,oldscale,n,j;
271 x = len==sizeof(real)?p->pf:p->pd;
272 if(x < 0 ) x = -x;
273 if(x<.1) {
274 if (x != 0.)
275 return(wrt_E(p,w,d,e,len));
276 i = 1;
277 goto have_i;
278 }
279 for(;i<=d;i++,up*=10)
280 { if(x>=up) continue;
281 have_i:
282 oldscale = f__scale;
283 f__scale = 0;
284 if(e==0) n=4;
285 else n=e+2;
286 i=wrt_F(p,w-n,d-i,len);
287 for(j=0;j<n;j++) (*f__putn)(' ');
288 f__scale=oldscale;
289 return(i);
290 }
291 return(wrt_E(p,w,d,e,len));
292}
293#ifdef KR_headers
294w_ed(p,ptr,len) struct syl *p; char *ptr; ftnlen len;
295#else
296w_ed(struct syl *p, char *ptr, ftnlen len)
297#endif
298{
299 int i;
300
301 if(f__cursor && (i = mv_cur()))
302 return i;
303 switch(p->op)
304 {
305 default:
306 fprintf(stderr,"w_ed, unexpected code: %d\n", p->op);
307 sig_die(f__fmtbuf, 1);
308 case I: return(wrt_I((Uint *)ptr,p->p1,len, 10));
309 case IM:
310 return(wrt_IM((Uint *)ptr,p->p1,p->p2.i[0],len,10));
311
312 /* O and OM don't work right for character, double, complex, */
313 /* or doublecomplex, and they differ from Fortran 90 in */
314 /* showing a minus sign for negative values. */
315
316 case O: return(wrt_I((Uint *)ptr, p->p1, len, 8));
317 case OM:
318 return(wrt_IM((Uint *)ptr,p->p1,p->p2.i[0],len,8));
319 case L: return(wrt_L((Uint *)ptr,p->p1, len));
320 case A: return(wrt_A(ptr,len));
321 case AW:
322 return(wrt_AW(ptr,p->p1,len));
323 case D:
324 case E:
325 case EE:
326 return(wrt_E((ufloat *)ptr,p->p1,p->p2.i[0],p->p2.i[1],len));
327 case G:
328 case GE:
329 return(wrt_G((ufloat *)ptr,p->p1,p->p2.i[0],p->p2.i[1],len));
330 case F: return(wrt_F((ufloat *)ptr,p->p1,p->p2.i[0],len));
331
332 /* Z and ZM assume 8-bit bytes. */
333
334 case Z: return(wrt_Z((Uint *)ptr,p->p1,0,len));
335 case ZM:
336 return(wrt_Z((Uint *)ptr,p->p1,p->p2.i[0],len));
337 }
338}
339#ifdef KR_headers
340w_ned(p) struct syl *p;
341#else
342w_ned(struct syl *p)
343#endif
344{
345 switch(p->op)
346 {
347 default: fprintf(stderr,"w_ned, unexpected code: %d\n", p->op);
348 sig_die(f__fmtbuf, 1);
349 case SLASH:
350 return((*f__donewrec)());
351 case T: f__cursor = p->p1-f__recpos - 1;
352 return(1);
353 case TL: f__cursor -= p->p1;
354 if(f__cursor < -f__recpos) /* TL1000, 1X */
355 f__cursor = -f__recpos;
356 return(1);
357 case TR:
358 case X:
359 f__cursor += p->p1;
360 return(1);
361 case APOS:
362 return(wrt_AP(p->p2.s));
363 case H:
364 return(wrt_H(p->p1,p->p2.s));
365 }
366}
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