mirror of
git://gcc.gnu.org/git/gcc.git
synced 2024-12-30 10:54:50 +08:00
477 lines
8.1 KiB
C
477 lines
8.1 KiB
C
#include <ctype.h>
|
|
#include "f2c.h"
|
|
#include "fio.h"
|
|
|
|
extern int f__cursor;
|
|
#ifdef KR_headers
|
|
extern double atof();
|
|
#else
|
|
#undef abs
|
|
#undef min
|
|
#undef max
|
|
#include <stdlib.h>
|
|
#endif
|
|
|
|
#include "fmt.h"
|
|
#include "fp.h"
|
|
|
|
static int
|
|
#ifdef KR_headers
|
|
rd_Z(n,w,len) Uint *n; ftnlen len;
|
|
#else
|
|
rd_Z(Uint *n, int w, ftnlen len)
|
|
#endif
|
|
{
|
|
long x[9];
|
|
char *s, *s0, *s1, *se, *t;
|
|
int ch, i, w1, w2;
|
|
static char hex[256];
|
|
static int one = 1;
|
|
int bad = 0;
|
|
|
|
if (!hex['0']) {
|
|
s = "0123456789";
|
|
while(ch = *s++)
|
|
hex[ch] = ch - '0' + 1;
|
|
s = "ABCDEF";
|
|
while(ch = *s++)
|
|
hex[ch] = hex[ch + 'a' - 'A'] = ch - 'A' + 11;
|
|
}
|
|
s = s0 = (char *)x;
|
|
s1 = (char *)&x[4];
|
|
se = (char *)&x[8];
|
|
if (len > 4*sizeof(long))
|
|
return errno = 117;
|
|
while (w) {
|
|
GET(ch);
|
|
if (ch==',' || ch=='\n')
|
|
break;
|
|
w--;
|
|
if (ch > ' ') {
|
|
if (!hex[ch & 0xff])
|
|
bad++;
|
|
*s++ = ch;
|
|
if (s == se) {
|
|
/* discard excess characters */
|
|
for(t = s0, s = s1; t < s1;)
|
|
*t++ = *s++;
|
|
s = s1;
|
|
}
|
|
}
|
|
}
|
|
if (bad)
|
|
return errno = 115;
|
|
w = (int)len;
|
|
w1 = s - s0;
|
|
w2 = w1+1 >> 1;
|
|
t = (char *)n;
|
|
if (*(char *)&one) {
|
|
/* little endian */
|
|
t += w - 1;
|
|
i = -1;
|
|
}
|
|
else
|
|
i = 1;
|
|
for(; w > w2; t += i, --w)
|
|
*t = 0;
|
|
if (!w)
|
|
return 0;
|
|
if (w < w2)
|
|
s0 = s - (w << 1);
|
|
else if (w1 & 1) {
|
|
*t = hex[*s0++ & 0xff] - 1;
|
|
if (!--w)
|
|
return 0;
|
|
t += i;
|
|
}
|
|
do {
|
|
*t = hex[*s0 & 0xff]-1 << 4 | hex[s0[1] & 0xff]-1;
|
|
t += i;
|
|
s0 += 2;
|
|
}
|
|
while(--w);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
#ifdef KR_headers
|
|
rd_I(n,w,len, base) Uint *n; int w; ftnlen len; register int base;
|
|
#else
|
|
rd_I(Uint *n, int w, ftnlen len, register int base)
|
|
#endif
|
|
{ longint x;
|
|
int sign,ch;
|
|
char s[84], *ps;
|
|
ps=s; x=0;
|
|
while (w)
|
|
{
|
|
GET(ch);
|
|
if (ch==',' || ch=='\n') break;
|
|
*ps=ch; ps++; w--;
|
|
}
|
|
*ps='\0';
|
|
ps=s;
|
|
while (*ps==' ') ps++;
|
|
if (*ps=='-') { sign=1; ps++; }
|
|
else { sign=0; if (*ps=='+') ps++; }
|
|
loop: while (*ps>='0' && *ps<='9') { x=x*base+(*ps-'0'); ps++; }
|
|
if (*ps==' ') {if (f__cblank) x *= base; ps++; goto loop;}
|
|
if(sign) x = -x;
|
|
if(len==sizeof(integer)) n->il=x;
|
|
else if(len == sizeof(char)) n->ic = (char)x;
|
|
#ifdef Allow_TYQUAD
|
|
else if (len == sizeof(longint)) n->ili = x;
|
|
#endif
|
|
else n->is = (short)x;
|
|
if (*ps) return(errno=115); else return(0);
|
|
}
|
|
static int
|
|
#ifdef KR_headers
|
|
rd_L(n,w,len) ftnint *n; ftnlen len;
|
|
#else
|
|
rd_L(ftnint *n, int w, ftnlen len)
|
|
#endif
|
|
{ int ch, lv;
|
|
char s[84], *ps;
|
|
ps=s;
|
|
while (w) {
|
|
GET(ch);
|
|
if (ch==','||ch=='\n') break;
|
|
*ps=ch;
|
|
ps++; w--;
|
|
}
|
|
*ps='\0';
|
|
ps=s; while (*ps==' ') ps++;
|
|
if (*ps=='.') ps++;
|
|
if (*ps=='t' || *ps == 'T')
|
|
lv = 1;
|
|
else if (*ps == 'f' || *ps == 'F')
|
|
lv = 0;
|
|
else return(errno=116);
|
|
switch(len) {
|
|
case sizeof(char): *(char *)n = (char)lv; break;
|
|
case sizeof(short): *(short *)n = (short)lv; break;
|
|
default: *n = lv;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
#ifdef KR_headers
|
|
rd_F(p, w, d, len) ufloat *p; ftnlen len;
|
|
#else
|
|
rd_F(ufloat *p, int w, int d, ftnlen len)
|
|
#endif
|
|
{
|
|
char s[FMAX+EXPMAXDIGS+4];
|
|
register int ch;
|
|
register char *sp, *spe, *sp1;
|
|
double x;
|
|
int scale1, se;
|
|
long e, exp;
|
|
|
|
sp1 = sp = s;
|
|
spe = sp + FMAX;
|
|
exp = -d;
|
|
x = 0.;
|
|
|
|
do {
|
|
GET(ch);
|
|
w--;
|
|
} while (ch == ' ' && w);
|
|
switch(ch) {
|
|
case '-': *sp++ = ch; sp1++; spe++;
|
|
case '+':
|
|
if (!w) goto zero;
|
|
--w;
|
|
GET(ch);
|
|
}
|
|
while(ch == ' ') {
|
|
blankdrop:
|
|
if (!w--) goto zero; GET(ch); }
|
|
while(ch == '0')
|
|
{ if (!w--) goto zero; GET(ch); }
|
|
if (ch == ' ' && f__cblank)
|
|
goto blankdrop;
|
|
scale1 = f__scale;
|
|
while(isdigit(ch)) {
|
|
digloop1:
|
|
if (sp < spe) *sp++ = ch;
|
|
else ++exp;
|
|
digloop1e:
|
|
if (!w--) goto done;
|
|
GET(ch);
|
|
}
|
|
if (ch == ' ') {
|
|
if (f__cblank)
|
|
{ ch = '0'; goto digloop1; }
|
|
goto digloop1e;
|
|
}
|
|
if (ch == '.') {
|
|
exp += d;
|
|
if (!w--) goto done;
|
|
GET(ch);
|
|
if (sp == sp1) { /* no digits yet */
|
|
while(ch == '0') {
|
|
skip01:
|
|
--exp;
|
|
skip0:
|
|
if (!w--) goto done;
|
|
GET(ch);
|
|
}
|
|
if (ch == ' ') {
|
|
if (f__cblank) goto skip01;
|
|
goto skip0;
|
|
}
|
|
}
|
|
while(isdigit(ch)) {
|
|
digloop2:
|
|
if (sp < spe)
|
|
{ *sp++ = ch; --exp; }
|
|
digloop2e:
|
|
if (!w--) goto done;
|
|
GET(ch);
|
|
}
|
|
if (ch == ' ') {
|
|
if (f__cblank)
|
|
{ ch = '0'; goto digloop2; }
|
|
goto digloop2e;
|
|
}
|
|
}
|
|
switch(ch) {
|
|
default:
|
|
break;
|
|
case '-': se = 1; goto signonly;
|
|
case '+': se = 0; goto signonly;
|
|
case 'e':
|
|
case 'E':
|
|
case 'd':
|
|
case 'D':
|
|
if (!w--)
|
|
goto bad;
|
|
GET(ch);
|
|
while(ch == ' ') {
|
|
if (!w--)
|
|
goto bad;
|
|
GET(ch);
|
|
}
|
|
se = 0;
|
|
switch(ch) {
|
|
case '-': se = 1;
|
|
case '+':
|
|
signonly:
|
|
if (!w--)
|
|
goto bad;
|
|
GET(ch);
|
|
}
|
|
while(ch == ' ') {
|
|
if (!w--)
|
|
goto bad;
|
|
GET(ch);
|
|
}
|
|
if (!isdigit(ch))
|
|
goto bad;
|
|
|
|
e = ch - '0';
|
|
for(;;) {
|
|
if (!w--)
|
|
{ ch = '\n'; break; }
|
|
GET(ch);
|
|
if (!isdigit(ch)) {
|
|
if (ch == ' ') {
|
|
if (f__cblank)
|
|
ch = '0';
|
|
else continue;
|
|
}
|
|
else
|
|
break;
|
|
}
|
|
e = 10*e + ch - '0';
|
|
if (e > EXPMAX && sp > sp1)
|
|
goto bad;
|
|
}
|
|
if (se)
|
|
exp -= e;
|
|
else
|
|
exp += e;
|
|
scale1 = 0;
|
|
}
|
|
switch(ch) {
|
|
case '\n':
|
|
case ',':
|
|
break;
|
|
default:
|
|
bad:
|
|
return (errno = 115);
|
|
}
|
|
done:
|
|
if (sp > sp1) {
|
|
while(*--sp == '0')
|
|
++exp;
|
|
if (exp -= scale1)
|
|
sprintf(sp+1, "e%ld", exp);
|
|
else
|
|
sp[1] = 0;
|
|
x = atof(s);
|
|
}
|
|
zero:
|
|
if (len == sizeof(real))
|
|
p->pf = x;
|
|
else
|
|
p->pd = x;
|
|
return(0);
|
|
}
|
|
|
|
|
|
static int
|
|
#ifdef KR_headers
|
|
rd_A(p,len) char *p; ftnlen len;
|
|
#else
|
|
rd_A(char *p, ftnlen len)
|
|
#endif
|
|
{ int i,ch;
|
|
for(i=0;i<len;i++)
|
|
{ GET(ch);
|
|
*p++=VAL(ch);
|
|
}
|
|
return(0);
|
|
}
|
|
static int
|
|
#ifdef KR_headers
|
|
rd_AW(p,w,len) char *p; ftnlen len;
|
|
#else
|
|
rd_AW(char *p, int w, ftnlen len)
|
|
#endif
|
|
{ int i,ch;
|
|
if(w>=len)
|
|
{ for(i=0;i<w-len;i++)
|
|
GET(ch);
|
|
for(i=0;i<len;i++)
|
|
{ GET(ch);
|
|
*p++=VAL(ch);
|
|
}
|
|
return(0);
|
|
}
|
|
for(i=0;i<w;i++)
|
|
{ GET(ch);
|
|
*p++=VAL(ch);
|
|
}
|
|
for(i=0;i<len-w;i++) *p++=' ';
|
|
return(0);
|
|
}
|
|
static int
|
|
#ifdef KR_headers
|
|
rd_H(n,s) char *s;
|
|
#else
|
|
rd_H(int n, char *s)
|
|
#endif
|
|
{ int i,ch;
|
|
for(i=0;i<n;i++)
|
|
if((ch=(*f__getn)())<0) return(ch);
|
|
else *s++ = ch=='\n'?' ':ch;
|
|
return(1);
|
|
}
|
|
static int
|
|
#ifdef KR_headers
|
|
rd_POS(s) char *s;
|
|
#else
|
|
rd_POS(char *s)
|
|
#endif
|
|
{ char quote;
|
|
int ch;
|
|
quote= *s++;
|
|
for(;*s;s++)
|
|
if(*s==quote && *(s+1)!=quote) break;
|
|
else if((ch=(*f__getn)())<0) return(ch);
|
|
else *s = ch=='\n'?' ':ch;
|
|
return(1);
|
|
}
|
|
#ifdef KR_headers
|
|
rd_ed(p,ptr,len) struct syl *p; char *ptr; ftnlen len;
|
|
#else
|
|
rd_ed(struct syl *p, char *ptr, ftnlen len)
|
|
#endif
|
|
{ int ch;
|
|
for(;f__cursor>0;f__cursor--) if((ch=(*f__getn)())<0) return(ch);
|
|
if(f__cursor<0)
|
|
{ if(f__recpos+f__cursor < 0) /*err(elist->cierr,110,"fmt")*/
|
|
f__cursor = -f__recpos; /* is this in the standard? */
|
|
if(f__external == 0) {
|
|
extern char *f__icptr;
|
|
f__icptr += f__cursor;
|
|
}
|
|
else if(f__curunit && f__curunit->useek)
|
|
(void) fseek(f__cf,(long) f__cursor,SEEK_CUR);
|
|
else
|
|
err(f__elist->cierr,106,"fmt");
|
|
f__recpos += f__cursor;
|
|
f__cursor=0;
|
|
}
|
|
switch(p->op)
|
|
{
|
|
default: fprintf(stderr,"rd_ed, unexpected code: %d\n", p->op);
|
|
sig_die(f__fmtbuf, 1);
|
|
case IM:
|
|
case I: ch = rd_I((Uint *)ptr,p->p1,len, 10);
|
|
break;
|
|
|
|
/* O and OM don't work right for character, double, complex, */
|
|
/* or doublecomplex, and they differ from Fortran 90 in */
|
|
/* showing a minus sign for negative values. */
|
|
|
|
case OM:
|
|
case O: ch = rd_I((Uint *)ptr, p->p1, len, 8);
|
|
break;
|
|
case L: ch = rd_L((ftnint *)ptr,p->p1,len);
|
|
break;
|
|
case A: ch = rd_A(ptr,len);
|
|
break;
|
|
case AW:
|
|
ch = rd_AW(ptr,p->p1,len);
|
|
break;
|
|
case E: case EE:
|
|
case D:
|
|
case G:
|
|
case GE:
|
|
case F: ch = rd_F((ufloat *)ptr,p->p1,p->p2.i[0],len);
|
|
break;
|
|
|
|
/* Z and ZM assume 8-bit bytes. */
|
|
|
|
case ZM:
|
|
case Z:
|
|
ch = rd_Z((Uint *)ptr, p->p1, len);
|
|
break;
|
|
}
|
|
if(ch == 0) return(ch);
|
|
else if(ch == EOF) return(EOF);
|
|
if (f__cf)
|
|
clearerr(f__cf);
|
|
return(errno);
|
|
}
|
|
#ifdef KR_headers
|
|
rd_ned(p) struct syl *p;
|
|
#else
|
|
rd_ned(struct syl *p)
|
|
#endif
|
|
{
|
|
switch(p->op)
|
|
{
|
|
default: fprintf(stderr,"rd_ned, unexpected code: %d\n", p->op);
|
|
sig_die(f__fmtbuf, 1);
|
|
case APOS:
|
|
return(rd_POS(p->p2.s));
|
|
case H: return(rd_H(p->p1,p->p2.s));
|
|
case SLASH: return((*f__donewrec)());
|
|
case TR:
|
|
case X: f__cursor += p->p1;
|
|
return(1);
|
|
case T: f__cursor=p->p1-f__recpos - 1;
|
|
return(1);
|
|
case TL: f__cursor -= p->p1;
|
|
if(f__cursor < -f__recpos) /* TL1000, 1X */
|
|
f__cursor = -f__recpos;
|
|
return(1);
|
|
}
|
|
}
|