1 /* Copyright (c) 1979 Regents of the University of California */ 2 3 static char sccsid[] = "@(#)READE.c 1.6 10/28/83"; 4 5 #include "h00vars.h" 6 7 long 8 READE(curfile, name) 9 10 register struct iorec *curfile; 11 char *name; 12 { 13 register short *sptr; 14 register int len; 15 register int nextlen; 16 register int cnt; 17 char *cp; 18 char namebuf[NAMSIZ]; 19 int retval; 20 21 if (curfile->funit & FWRITE) { 22 ERROR("%s: Attempt to read, but open for writing\n", 23 curfile->pfname); 24 return; 25 } 26 UNSYNC(curfile); 27 retval = fscanf(curfile->fbuf, 28 "%*[ \t\n]%74[abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789]", 29 namebuf); 30 if (retval == EOF) { 31 ERROR("%s: Tried to read past end of file\n", curfile->pfname); 32 return; 33 } 34 if (retval == 0) 35 goto ename; 36 for (len = 0; len < NAMSIZ && namebuf[len]; len++) 37 /* void */; 38 len++; 39 sptr = (short *)name; 40 cnt = *sptr++; 41 cp = name + sizeof (short) + *sptr; 42 do { 43 nextlen = *sptr++; 44 nextlen = *sptr - nextlen; 45 if (nextlen == len && RELEQ(len, namebuf, cp)) { 46 return *((short *) name) - cnt; 47 } 48 cp += (int)nextlen; 49 } while (--cnt); 50 ename: 51 ERROR("Unknown name \"%s\" found on enumerated type read\n", namebuf); 52 } 53