src/usr.bin/cmp/regular.c - diff

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Up to [local] / src / usr.bin / cmp

version 1.3, 1999/08/03 16:02:44

version 1.4, 2000/10/12 10:03:20

Line 75

len2 -= skip2;

length = MIN(len1, len2);

if (length > SIZE_T_MAX)

if (length > SIZE_T_MAX) {

return (c_special(fd1, file1, skip1, fd2, file2, skip2));

mmap_failed:

c_special(fd1, file1, skip1, fd2, file2, skip2);

return;

}

if ((p1 = mmap(NULL, (size_t)length, PROT_READ,

MAP_PRIVATE, fd1, skip1)) == (u_char *)-1)

MAP_PRIVATE, fd1, skip1)) == MAP_FAILED)

err(ERR_EXIT, "%s", file1);

goto mmap failed;

if ((p2 = mmap(NULL, (size_t)length, PROT_READ,

MAP_PRIVATE, fd2, skip2)) == (u_char *)-1)

MAP_PRIVATE, fd2, skip2)) == MAP_FAILED) {

err(ERR_EXIT, "%s", file2);

munmap(p1, (size_t)length);

goto mmap_failed;

}

dfound = 0;

for (byte = line = 1; length--; ++p1, ++p2, ++byte) {