projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 476fcd16 SL |
1 | #ifndef lint |
| 2 | static char sccsid[] = "@(#)tb.c 4.2 %G%"; | |
| 3 | #endif | |
| 96529df1 BS |
4 | |
| 5 | /* tb.c: check which entries exist, also storage allocation */ | |
| 6 | # include "t..c" | |
| 7 | checkuse() | |
| 8 | { | |
| 9 | int i,c, k; | |
| 10 | for(c=0; c<ncol; c++) | |
| 11 | { | |
| 12 | used[c]=lused[c]=rused[c]=0; | |
| 13 | for(i=0; i<nlin; i++) | |
| 14 | { | |
| 15 | if (instead[i] || fullbot[i]) continue; | |
| 16 | k = ctype(i,c); | |
| 17 | if (k== '-' || k == '=') continue; | |
| 18 | if ((k=='n'||k=='a')) | |
| 19 | { | |
| 20 | rused[c]|= real(table[i][c].rcol); | |
| 21 | if( !real(table[i][c].rcol)) | |
| 22 | used[c] |= real(table[i][c].col); | |
| 23 | if (table[i][c].rcol) | |
| 24 | lused[c] |= real(table[i][c].col); | |
| 25 | } | |
| 26 | else | |
| 27 | used[c] |= real(table[i][c].col); | |
| 28 | } | |
| 29 | } | |
| 30 | } | |
| 31 | real(s) | |
| 32 | char *s; | |
| 33 | { | |
| 34 | if (s==0) return(0); | |
| 35 | if (!point(s)) return(1); | |
| 36 | if (*s==0) return(0); | |
| 37 | return(1); | |
| 38 | } | |
| 39 | int spcount = 0; | |
| 40 | extern char * calloc(); | |
| 41 | # define MAXVEC 20 | |
| 42 | char *spvecs[MAXVEC]; | |
| 43 | chspace() | |
| 44 | { | |
| 45 | char *pp; | |
| 46 | if (spvecs[spcount]) | |
| 47 | return(spvecs[spcount++]); | |
| 48 | if (spcount>=MAXVEC) | |
| 49 | error("Too many characters in table"); | |
| 50 | spvecs[spcount++]= pp = calloc(MAXCHS+200,1); | |
| 51 | if (pp== -1 || pp == 0) | |
| 52 | error("no space for characters"); | |
| 53 | return(pp); | |
| 54 | } | |
| 55 | # define MAXPC 50 | |
| 56 | char *thisvec; | |
| 57 | int tpcount = -1; | |
| 58 | char *tpvecs[MAXPC]; | |
| 59 | alocv(n) | |
| 60 | { | |
| 61 | int *tp, *q; | |
| 62 | if (tpcount<0 || thisvec+n > tpvecs[tpcount]+MAXCHS) | |
| 63 | { | |
| 64 | tpcount++; | |
| 65 | if (tpvecs[tpcount]==0) | |
| 66 | { | |
| 67 | tpvecs[tpcount] = calloc(MAXCHS,1); | |
| 68 | } | |
| 69 | thisvec = tpvecs[tpcount]; | |
| 70 | if (thisvec == -1) | |
| 71 | error("no space for vectors"); | |
| 72 | } | |
| 73 | tp=thisvec; | |
| 74 | thisvec+=n; | |
| 75 | for(q=tp; q<thisvec; q++) | |
| 76 | *q=0; | |
| 77 | return(tp); | |
| 78 | } | |
| 79 | release() | |
| 80 | { | |
| 81 | extern char *exstore; | |
| 82 | /* give back unwanted space in some vectors */ | |
| 83 | spcount=0; | |
| 84 | tpcount= -1; | |
| 85 | exstore=0; | |
| 86 | } |