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Annotation of researchv10no/games/word_clout/regerror.c, revision 1.1

1.1     ! root        1: #include <stdio.h>
        !             2: regerror(s)
        !             3:        char *s;
        !             4: {
        !             5:        char buf[132];
        !             6: 
        !             7:        strcpy(buf, "regerror: ");
        !             8:        strcat(buf, s);
        !             9:        strcat(buf, "\n");
        !            10:        write(2, buf, strlen(buf));
        !            11:        exit(1);
        !            12: }
        !            13: int storcnt;
        !            14: static max;
        !            15: char *MALLOC(x)
        !            16: {
        !            17:        int *p;
        !            18:        if(x>max) {
        !            19:                fprintf(stderr,"MALLOC(%d)\n",max=x);
        !            20:        }
        !            21:        p=(int*)malloc(x+3*sizeof*p);
        !            22:        if(p) {
        !            23:                storcnt+=*p=x;
        !            24:                p[1]=-2*x;
        !            25:                p[2+(x+7)/sizeof*p]=-3*x;
        !            26:                return (char*)(p+2);
        !            27:        }
        !            28:        return 0;
        !            29: }
        !            30: FREE(p)
        !            31: int *p;
        !            32: {
        !            33:        p-=2; storcnt-=*p;
        !            34:        if(*p>max||*p<=0)ERR("big free",p);
        !            35:        if(p[1]!=-2*p[0])ERR("free head scribble",p);
        !            36:        if(p[2+(*p+7)/sizeof*p]!=-3**p)ERR("free tail scribble",p);
        !            37:        free(p);
        !            38: }
        !            39: ERR(s,p)
        !            40: char *s;
        !            41: int *p;
        !            42: {
        !            43:        fprintf(stderr,"ERR: %s\n",s);
        !            44:        fprintf(stderr,"p=%o\n",p);
        !            45:        fprintf(stderr,"p[0]=%d\n",p);
        !            46:        fprintf(stderr,"p[1]=%d\n",p[1]);
        !            47:        fprintf(stderr,"p[2]='%s'\n",(char*)(p+2));
        !            48:        fprintf(stderr,"p[trail]=%d",p[2+(*p+7)/sizeof*p]);
        !            49:        fflush(stdout);
        !            50:        abort();
        !            51: }

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