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Annotation of researchv10dc/cmd/mk/src/alloc.c, revision 1.1

1.1     ! root        1: #include       "libc.h"
        !             2: 
        !             3: static int goo;                /* so no empty object on cray */
        !             4: 
        !             5: #ifndef        CRAY
        !             6: 
        !             7: #define        A(x)    ((((long)x)+sizeof(long)-1)&~(sizeof(long)-1))
        !             8: 
        !             9: char *next;
        !            10: int nleft;
        !            11: 
        !            12: char *
        !            13: malloc(n)
        !            14: {
        !            15:        extern char *sbrk();
        !            16:        char *s;
        !            17: 
        !            18:        n = A(n);
        !            19:        if(n > nleft){
        !            20:                next = sbrk(nleft = A(32000));
        !            21:                if(next == (char *)-1){
        !            22:                        perror("mk: sbrk");
        !            23:                        Exit();
        !            24:                }
        !            25:        }
        !            26:        s = next;
        !            27:        next += n;
        !            28:        nleft -= n;
        !            29:        return(s);
        !            30: }
        !            31: 
        !            32: free(s)
        !            33:        char *s;
        !            34: {
        !            35: }
        !            36: 
        !            37: char *
        !            38: realloc(s, n)
        !            39:        char *s;
        !            40:        unsigned n;
        !            41: {
        !            42:        char *r;
        !            43: 
        !            44:        r = malloc(n);
        !            45:        memcpy(r, s, n);
        !            46:        return(r);
        !            47: }
        !            48: 
        !            49: #endif

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