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Annotation of researchv9/cmd/strip/fcopy.c, revision 1.1.1.1

1.1       root        1: #define BSIZE  4096
                      2: #define min(a,b)       ((a)<(b) ? (a) : (b))
                      3: 
                      4: fcopy(to, from, nbytes)
                      5: int to, from; register int nbytes;
                      6: {
                      7:        char *malloc();
                      8:        register char *buf; register int n;
                      9: 
                     10:        if (nbytes && (buf = malloc(min(nbytes, BSIZE)))) {
                     11:                do {
                     12:                        n = min(nbytes, BSIZE);
                     13:                        if (read(from, buf, n) != n) break;
                     14:                        if (write(to, buf, n) != n) break;
                     15:                        nbytes -= n;
                     16:                } while (nbytes);
                     17:                free(buf);
                     18:        }
                     19:        return nbytes;
                     20: }

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