Doxygen Source Code Documentation
rsne.c File Reference
#include "stdlib.h"#include "f2c.h"#include "fio.h"#include "lio.h"#include "string.h"Go to the source code of this file.
| Data Structures | |
| struct | dimen | 
| struct | hashentry | 
| struct | hashtab | 
| Defines | |
| #define | MAX_NL_CACHE 3 | 
| #define | MAXDIM 20 | 
| #define | un_getc ungetc | 
| #define | GETC(x) (x=(*l_getc)()) | 
| #define | Ungetc(x, y) (*l_ungetc)(x,y) | 
| Typedefs | |
| typedef dimen | dimen | 
| typedef hashentry | hashentry | 
| typedef hashtab | hashtab | 
| Functions | |
| t_getc (Void) | |
| int | ungetc (int, FILE *) | 
| Vardesc * | hash (hashtab *ht, register char *s) | 
| hashtab * | mk_hashtab (Namelist *nl) | 
| VOID | nl_init (Void) | 
| int | getname (register char *s, int slen) | 
| int | getnum (int *chp, ftnlen *val) | 
| int | getdimen (int *chp, dimen *d, ftnlen delta, ftnlen extent, ftnlen *x1) | 
| Void | print_ne (cilist *a) | 
| x_rsne (cilist *a) | |
| integer | s_rsne (cilist *a) | 
| Variables | |
| hashtab * | nl_cache | 
| n_nlcache | |
| hashentry ** | zot | 
| int | colonseen | 
| ftnlen | f__typesize [] | 
| flag | f__lquit | 
| int | f__lcount | 
| int | nml_read | 
| char | Alpha [256] | 
| char | Alphanum [256] | 
| char | where0 [] = "namelist read start " | 
Define Documentation
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 Definition at line 6 of file rsne.c. Referenced by mk_hashtab(). | 
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 Definition at line 7 of file rsne.c. Referenced by x_rsne(). | 
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 Definition at line 66 of file rsne.c. Referenced by s_rsne(). | 
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Typedef Documentation
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Function Documentation
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 Definition at line 233 of file rsne.c. References colonseen, dimen::curval, dimen::delta, dimen::extent, getnum(), dimen::stride, and x2. Referenced by x_rsne(). 
 00235 {
00236         register int k;
00237         ftnlen x2, x3;
00238 
00239         if (k = getnum(chp, x1))
00240                 return k;
00241         x3 = 1;
00242         if (*chp == ':') {
00243                 if (k = getnum(chp, &x2))
00244                         return k;
00245                 x2 -= *x1;
00246                 if (*chp == ':') {
00247                         if (k = getnum(chp, &x3))
00248                                 return k;
00249                         if (!x3)
00250                                 return 123;
00251                         x2 /= x3;
00252                         colonseen = 1;
00253                         }
00254                 if (x2 < 0 || x2 >= extent)
00255                         return 123;
00256                 d->extent = x2 + 1;
00257                 }
00258         else
00259                 d->extent = 1;
00260         d->curval = 0;
00261         d->delta = delta;
00262         d->stride = x3;
00263         return 0;
00264         }
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 Definition at line 172 of file rsne.c. References Alpha, Alphanum, err, errfl, GETC, and Ungetc. Referenced by x_rsne(). 
 00174 {
00175         register char *se = s + slen - 1;
00176         register int ch;
00177 
00178         GETC(ch);
00179         if (!(*s++ = Alpha[ch & 0xff])) {
00180                 if (ch != EOF)
00181                         ch = 115;
00182                 errfl(f__elist->cierr, ch, "namelist read");
00183                 }
00184         while(*s = Alphanum[GETC(ch) & 0xff])
00185                 if (s < se)
00186                         s++;
00187         if (ch == EOF)
00188                 err(f__elist->cierr, EOF, "namelist read");
00189         if (ch > ' ')
00190                 Ungetc(ch,f__cf);
00191         return *s = 0;
00192         }
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 Definition at line 198 of file rsne.c. References GETC. Referenced by getdimen(). 
 00200 {
00201         register int ch, sign;
00202         register ftnlen x;
00203 
00204         while(GETC(ch) <= ' ' && ch >= 0);
00205         if (ch == '-') {
00206                 sign = 1;
00207                 GETC(ch);
00208                 }
00209         else {
00210                 sign = 0;
00211                 if (ch == '+')
00212                         GETC(ch);
00213                 }
00214         x = ch - '0';
00215         if (x < 0 || x > 9)
00216                 return 115;
00217         while(GETC(ch) >= '0' && ch <= '9')
00218                 x = 10*x + ch - '0';
00219         while(ch <= ' ' && ch >= 0)
00220                 GETC(ch);
00221         if (ch == EOF)
00222                 return EOF;
00223         *val = sign ? -x : x;
00224         *chp = ch;
00225         return 0;
00226         }
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 Definition at line 75 of file rsne.c. References c, hashentry::name, hashentry::next, and hashentry::vd. 
 00077 {
00078         register int c, x;
00079         register hashentry *h;
00080         char *s0 = s;
00081 
00082         for(x = 0; c = *s++; x = x & 0x4000 ? ((x << 1) & 0x7fff) + 1 : x << 1)
00083                 x += c;
00084         for(h = *(zot = ht->tab + x % ht->htsize); h; h = h->next)
00085                 if (!strcmp(s0, h->name))
00086                         return h->vd;
00087         return 0;
00088         }
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 Definition at line 94 of file rsne.c. References free, hash(), hashtab::htsize, malloc, MAX_NL_CACHE, n_nlcache, hashentry::name, Vardesc::name, hashentry::next, hashtab::next, hashtab::nl, nl_cache, hashtab::tab, v, hashentry::vd, and x0. Referenced by x_rsne(). 
 00096 {
00097         int nht, nv;
00098         hashtab *ht;
00099         Vardesc *v, **vd, **vde;
00100         hashentry *he;
00101 
00102         hashtab **x, **x0, *y;
00103         for(x = &nl_cache; y = *x; x0 = x, x = &y->next)
00104                 if (nl == y->nl)
00105                         return y;
00106         if (n_nlcache >= MAX_NL_CACHE) {
00107                 /* discard least recently used namelist hash table */
00108                 y = *x0;
00109                 free((char *)y->next);
00110                 y->next = 0;
00111                 }
00112         else
00113                 n_nlcache++;
00114         nv = nl->nvars;
00115         if (nv >= 0x4000)
00116                 nht = 0x7fff;
00117         else {
00118                 for(nht = 1; nht < nv; nht <<= 1);
00119                 nht += nht - 1;
00120                 }
00121         ht = (hashtab *)malloc(sizeof(hashtab) + (nht-1)*sizeof(hashentry *)
00122                                 + nv*sizeof(hashentry));
00123         if (!ht)
00124                 return 0;
00125         he = (hashentry *)&ht->tab[nht];
00126         ht->nl = nl;
00127         ht->htsize = nht;
00128         ht->next = nl_cache;
00129         nl_cache = ht;
00130         memset((char *)ht->tab, 0, nht*sizeof(hashentry *));
00131         vd = nl->vars;
00132         vde = vd + nv;
00133         while(vd < vde) {
00134                 v = *vd++;
00135                 if (!hash(ht, v->name)) {
00136                         he->next = *zot;
00137                         *zot = he;
00138                         he->name = v->name;
00139                         he->vd = v;
00140                         he++;
00141                         }
00142                 }
00143         return ht;
00144         }
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 Definition at line 149 of file rsne.c. References Alpha, Alphanum, c, and f_init(). Referenced by x_rsne(). 
 00149               {
00150         register char *s;
00151         register int c;
00152 
00153         if(!f__init)
00154                 f_init();
00155         for(s = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; c = *s++; )
00156                 Alpha[c]
00157                 = Alphanum[c]
00158                 = Alpha[c + 'a' - 'A']
00159                 = Alphanum[c + 'a' - 'A']
00160                 = c;
00161         for(s = "0123456789_"; c = *s++; )
00162                 Alphanum[c] = c;
00163         }
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 Definition at line 271 of file rsne.c. References a, cilist::ciunit, and s_wsne(). Referenced by x_rsne(). 
 00273 {
00274         flag intext = f__external;
00275         int rpsave = f__recpos;
00276         FILE *cfsave = f__cf;
00277         unit *usave = f__curunit;
00278         cilist t;
00279         t = *a;
00280         t.ciunit = 6;
00281         s_wsne(&t);
00282         fflush(f__cf);
00283         f__external = intext;
00284         f__reading = 1;
00285         f__recpos = rpsave;
00286         f__cf = cfsave;
00287         f__curunit = usave;
00288         f__elist = a;
00289         }
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 Definition at line 590 of file rsne.c. References c_le(), cilist::cierr, e_rsle(), err, f__nowreading(), l_eof, nml_read, un_getc, where0, and x_rsne(). 
 00592 {
00593         extern int l_eof;
00594         int n;
00595 
00596         f__external=1;
00597         l_eof = 0;
00598         if(n = c_le(a))
00599                 return n;
00600         if(f__curunit->uwrt && f__nowreading(f__curunit))
00601                 err(a->cierr,errno,where0);
00602         l_getc = t_getc;
00603         l_ungetc = un_getc;
00604         f__doend = xrd_SL;
00605         n = x_rsne(a);
00606         nml_read = 0;
00607         if (n)
00608                 return n;
00609         return e_rsle();
00610         }
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 Definition at line 71 of file lread.c. References l_eof. Referenced by e_rsle(), and s_rsle(). 
 00072 {       int ch;
00073         if(f__curunit->uend) return(EOF);
00074         if((ch=getc(f__cf))!=EOF) return(ch);
00075         if(feof(f__cf))
00076                 f__curunit->uend = l_eof = 1;
00077         return(EOF);
00078 }
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 Referenced by comlen(), getcd(), getRLEpair(), input_stream(), Ptoken(), Ptype(), read_colormap_file(), read_scan_integer(), REORDER_parseMap(), and x_getc(). | 
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 Definition at line 297 of file rsne.c. References Vardesc::addr, Alpha, cilist::ciend, cilist::cierr, cilist::cifmt, colonseen, dimen::curval, dimen::delta, Vardesc::dims, e_rsle(), err, errfl, dimen::extent, f__lcount, f__lquit, f__typesize, GETC, getdimen(), getname(), hash(), l_read(), MAXDIM, mk_hashtab(), Namelist::name, nl_init(), nml_read, print_ne(), dimen::stride, top, Vardesc::type, Ungetc, v, where0, and z_rnew(). Referenced by s_rsne(), and s_rsni(). 
 00299 {
00300         int ch, got1, k, n, nd, quote, readall;
00301         Namelist *nl;
00302         static char where[] = "namelist read";
00303         char buf[64];
00304         hashtab *ht;
00305         Vardesc *v;
00306         dimen *dn, *dn0, *dn1;
00307         ftnlen *dims, *dims1;
00308         ftnlen b, b0, b1, ex, no, no1, nomax, size, span;
00309         ftnint type;
00310         char *vaddr;
00311         long iva, ivae;
00312         dimen dimens[MAXDIM], substr;
00313 
00314         if (!Alpha['a'])
00315                 nl_init();
00316         f__reading=1;
00317         f__formatted=1;
00318         got1 = 0;
00319  top:
00320         for(;;) switch(GETC(ch)) {
00321                 case EOF:
00322  eof:
00323                         err(a->ciend,(EOF),where0);
00324                 case '&':
00325                 case '$':
00326                         goto have_amp;
00327 #ifndef No_Namelist_Questions
00328                 case '?':
00329                         print_ne(a);
00330                         continue;
00331 #endif
00332                 default:
00333                         if (ch <= ' ' && ch >= 0)
00334                                 continue;
00335 #ifndef No_Namelist_Comments
00336                         while(GETC(ch) != '\n')
00337                                 if (ch == EOF)
00338                                         goto eof;
00339 #else
00340                         errfl(a->cierr, 115, where0);
00341 #endif
00342                 }
00343  have_amp:
00344         if (ch = getname(buf,sizeof(buf)))
00345                 return ch;
00346         nl = (Namelist *)a->cifmt;
00347         if (strcmp(buf, nl->name))
00348 #ifdef No_Bad_Namelist_Skip
00349                 errfl(a->cierr, 118, where0);
00350 #else
00351         {
00352                 fprintf(stderr,
00353                         "Skipping namelist \"%s\": seeking namelist \"%s\".\n",
00354                         buf, nl->name);
00355                 fflush(stderr);
00356                 for(;;) switch(GETC(ch)) {
00357                         case EOF:
00358                                 err(a->ciend, EOF, where0);
00359                         case '/':
00360                         case '&':
00361                         case '$':
00362                                 if (f__external)
00363                                         e_rsle();
00364                                 else
00365                                         z_rnew();
00366                                 goto top;
00367                         case '"':
00368                         case '\'':
00369                                 quote = ch;
00370  more_quoted:
00371                                 while(GETC(ch) != quote)
00372                                         if (ch == EOF)
00373                                                 err(a->ciend, EOF, where0);
00374                                 if (GETC(ch) == quote)
00375                                         goto more_quoted;
00376                                 Ungetc(ch,f__cf);
00377                         default:
00378                                 continue;
00379                         }
00380                 }
00381 #endif
00382         ht = mk_hashtab(nl);
00383         if (!ht)
00384                 errfl(f__elist->cierr, 113, where0);
00385         for(;;) {
00386                 for(;;) switch(GETC(ch)) {
00387                         case EOF:
00388                                 if (got1)
00389                                         return 0;
00390                                 err(a->ciend, EOF, where0);
00391                         case '/':
00392                         case '$':
00393                         case '&':
00394                                 return 0;
00395                         default:
00396                                 if (ch <= ' ' && ch >= 0 || ch == ',')
00397                                         continue;
00398                                 Ungetc(ch,f__cf);
00399                                 if (ch = getname(buf,sizeof(buf)))
00400                                         return ch;
00401                                 goto havename;
00402                         }
00403  havename:
00404                 v = hash(ht,buf);
00405                 if (!v)
00406                         errfl(a->cierr, 119, where);
00407                 while(GETC(ch) <= ' ' && ch >= 0);
00408                 vaddr = v->addr;
00409                 type = v->type;
00410                 if (type < 0) {
00411                         size = -type;
00412                         type = TYCHAR;
00413                         }
00414                 else
00415                         size = f__typesize[type];
00416                 ivae = size;
00417                 iva = readall = 0;
00418                 if (ch == '(' /*)*/ ) {
00419                         dn = dimens;
00420                         if (!(dims = v->dims)) {
00421                                 if (type != TYCHAR)
00422                                         errfl(a->cierr, 122, where);
00423                                 if (k = getdimen(&ch, dn, (ftnlen)size,
00424                                                 (ftnlen)size, &b))
00425                                         errfl(a->cierr, k, where);
00426                                 if (ch != ')')
00427                                         errfl(a->cierr, 115, where);
00428                                 b1 = dn->extent;
00429                                 if (--b < 0 || b + b1 > size)
00430                                         return 124;
00431                                 iva += b;
00432                                 size = b1;
00433                                 while(GETC(ch) <= ' ' && ch >= 0);
00434                                 goto scalar;
00435                                 }
00436                         nd = (int)dims[0];
00437                         nomax = span = dims[1];
00438                         ivae = iva + size*nomax;
00439                         colonseen = 0;
00440                         if (k = getdimen(&ch, dn, size, nomax, &b))
00441                                 errfl(a->cierr, k, where);
00442                         no = dn->extent;
00443                         b0 = dims[2];
00444                         dims1 = dims += 3;
00445                         ex = 1;
00446                         for(n = 1; n++ < nd; dims++) {
00447                                 if (ch != ',')
00448                                         errfl(a->cierr, 115, where);
00449                                 dn1 = dn + 1;
00450                                 span /= *dims;
00451                                 if (k = getdimen(&ch, dn1, dn->delta**dims,
00452                                                 span, &b1))
00453                                         errfl(a->cierr, k, where);
00454                                 ex *= *dims;
00455                                 b += b1*ex;
00456                                 no *= dn1->extent;
00457                                 dn = dn1;
00458                                 }
00459                         if (ch != ')')
00460                                 errfl(a->cierr, 115, where);
00461                         readall = 1 - colonseen;
00462                         b -= b0;
00463                         if (b < 0 || b >= nomax)
00464                                 errfl(a->cierr, 125, where);
00465                         iva += size * b;
00466                         dims = dims1;
00467                         while(GETC(ch) <= ' ' && ch >= 0);
00468                         no1 = 1;
00469                         dn0 = dimens;
00470                         if (type == TYCHAR && ch == '(' /*)*/) {
00471                                 if (k = getdimen(&ch, &substr, size, size, &b))
00472                                         errfl(a->cierr, k, where);
00473                                 if (ch != ')')
00474                                         errfl(a->cierr, 115, where);
00475                                 b1 = substr.extent;
00476                                 if (--b < 0 || b + b1 > size)
00477                                         return 124;
00478                                 iva += b;
00479                                 b0 = size;
00480                                 size = b1;
00481                                 while(GETC(ch) <= ' ' && ch >= 0);
00482                                 if (b1 < b0)
00483                                         goto delta_adj;
00484                                 }
00485                         if (readall)
00486                                 goto delta_adj;
00487                         for(; dn0 < dn; dn0++) {
00488                                 if (dn0->extent != *dims++ || dn0->stride != 1)
00489                                         break;
00490                                 no1 *= dn0->extent;
00491                                 }
00492                         if (dn0 == dimens && dimens[0].stride == 1) {
00493                                 no1 = dimens[0].extent;
00494                                 dn0++;
00495                                 }
00496  delta_adj:
00497                         ex = 0;
00498                         for(dn1 = dn0; dn1 <= dn; dn1++)
00499                                 ex += (dn1->extent-1)
00500                                         * (dn1->delta *= dn1->stride);
00501                         for(dn1 = dn; dn1 > dn0; dn1--) {
00502                                 ex -= (dn1->extent - 1) * dn1->delta;
00503                                 dn1->delta -= ex;
00504                                 }
00505                         }
00506                 else if (dims = v->dims) {
00507                         no = no1 = dims[1];
00508                         ivae = iva + no*size;
00509                         }
00510                 else
00511  scalar:
00512                         no = no1 = 1;
00513                 if (ch != '=')
00514                         errfl(a->cierr, 115, where);
00515                 got1 = nml_read = 1;
00516                 f__lcount = 0;
00517          readloop:
00518                 for(;;) {
00519                         if (iva >= ivae || iva < 0) {
00520                                 f__lquit = 1;
00521                                 goto mustend;
00522                                 }
00523                         else if (iva + no1*size > ivae)
00524                                 no1 = (ivae - iva)/size;
00525                         f__lquit = 0;
00526                         if (k = l_read(&no1, vaddr + iva, size, type))
00527                                 return k;
00528                         if (f__lquit == 1)
00529                                 return 0;
00530                         if (readall) {
00531                                 iva += dn0->delta;
00532                                 if (f__lcount > 0) {
00533                                         no1 = (ivae - iva)/size;
00534                                         if (no1 > f__lcount)
00535                                                 no1 = f__lcount;
00536                                         iva += no1 * dn0->delta;
00537                                         if (k = l_read(&no1, vaddr + iva,
00538                                                         size, type))
00539                                                 return k;
00540                                         }
00541                                 }
00542  mustend:
00543                         GETC(ch);
00544                         if (readall)
00545                                 if (iva >= ivae)
00546                                         readall = 0;
00547                                 else for(;;) {
00548                                         switch(ch) {
00549                                                 case ' ':
00550                                                 case '\t':
00551                                                 case '\n':
00552                                                         GETC(ch);
00553                                                         continue;
00554                                                 }
00555                                         break;
00556                                         }
00557                         if (ch == '/' || ch == '$' || ch == '&') {
00558                                 f__lquit = 1;
00559                                 return 0;
00560                                 }
00561                         else if (f__lquit) {
00562                                 while(ch <= ' ' && ch >= 0)
00563                                         GETC(ch);
00564                                 Ungetc(ch,f__cf);
00565                                 if (!Alpha[ch & 0xff] && ch >= 0)
00566                                         errfl(a->cierr, 125, where);
00567                                 break;
00568                                 }
00569                         Ungetc(ch,f__cf);
00570                         if (readall && !Alpha[ch & 0xff])
00571                                 goto readloop;
00572                         if ((no -= no1) <= 0)
00573                                 break;
00574                         for(dn1 = dn0; dn1 <= dn; dn1++) {
00575                                 if (++dn1->curval < dn1->extent) {
00576                                         iva += dn1->delta;
00577                                         goto readloop;
00578                                         }
00579                                 dn1->curval = 0;
00580                                 }
00581                         break;
00582                         }
00583                 }
00584         }
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Variable Documentation
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 Definition at line 35 of file rsne.c. Referenced by getdimen(), and x_rsne(). | 
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 Definition at line 39 of file rsne.c. Referenced by l_C(), l_CHAR(), l_L(), l_R(), l_read(), rd_count(), s_rsle(), and x_rsne(). | 
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 Definition at line 38 of file rsne.c. Referenced by l_C(), l_L(), l_R(), l_read(), s_rsle(), and x_rsne(). | 
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 Definition at line 36 of file rsne.c. Referenced by x_rsne(). | 
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 Definition at line 33 of file rsne.c. Referenced by mk_hashtab(). | 
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 Definition at line 32 of file rsne.c. Referenced by mk_hashtab(). | 
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 Definition at line 39 of file rsne.c. Referenced by l_C(), l_L(), l_R(), l_read(), s_rsne(), and x_rsne(). | 
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