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Annotation of 41BSD/cmd/eqn/size.c, revision 1.1

1.1     ! root        1: # include "e.h"
        !             2: 
        !             3: setsize(p)     /* set size as found in p */
        !             4: char *p;
        !             5: {
        !             6:        if (*p == '+')
        !             7:                ps += atoi(p+1);
        !             8:        else if (*p == '-')
        !             9:                ps -= atoi(p+1);
        !            10:        else
        !            11:                ps = atoi(p);
        !            12:        if(dbg)printf(".\tsetsize %s; ps = %d\n", p, ps);
        !            13: }
        !            14: 
        !            15: size(p1, p2) int p1, p2; {
        !            16:                /* old size in p1, new in ps */
        !            17:        int effps, effp1;
        !            18: 
        !            19:        yyval = p2;
        !            20:        if(dbg)printf(".\tb:sb: S%d <- \\s%d S%d \\s%d; b=%d, h=%d\n", 
        !            21:                yyval, ps, p2, p1, ebase[yyval], eht[yyval]);
        !            22:        effps = EFFPS(ps);
        !            23:        effp1 = EFFPS(p1);
        !            24:        printf(".ds %d \\s%d\\*(%d\\s%d\n", 
        !            25:                yyval, effps, p2, effp1);
        !            26:        ps = p1;
        !            27: }
        !            28: 
        !            29: globsize() {
        !            30:        char temp[20];
        !            31: 
        !            32:        getstr(temp, 20);
        !            33:        if (temp[0] == '+')
        !            34:                gsize += atoi(temp+1);
        !            35:        else if (temp[0] == '-')
        !            36:                gsize -= atoi(temp+1);
        !            37:        else
        !            38:                gsize = atoi(temp);
        !            39:        yyval = eqnreg = 0;
        !            40:        setps(gsize);
        !            41:        ps = gsize;
        !            42:        if (gsize >= 12)        /* sub and sup size change */
        !            43:                deltaps = gsize / 4;
        !            44:        else
        !            45:                deltaps = gsize / 3;
        !            46: }

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