test_format_newc.c [plain text]
#include "test.h"
__FBSDID("$FreeBSD: src/usr.bin/cpio/test/test_format_newc.c,v 1.2 2008/08/22 02:09:10 kientzle Exp $");
static int
is_hex(const char *p, size_t l)
{
while (l > 0) {
if ((*p >= '0' && *p <= '9')
|| (*p >= 'a' && *p <= 'f')
|| (*p >= 'A' && *p <= 'F'))
{
--l;
++p;
} else
return (0);
}
return (1);
}
static int
from_hex(const char *p, size_t l)
{
int r = 0;
while (l > 0) {
r *= 16;
if (*p >= 'a' && *p <= 'f')
r += *p + 10 - 'a';
else if (*p >= 'A' && *p <= 'F')
r += *p + 10 - 'A';
else
r += *p - '0';
--l;
++p;
}
return (r);
}
DEFINE_TEST(test_format_newc)
{
int fd, list;
int r;
int devmajor, devminor, ino, gid;
time_t t, t2, now;
char *p, *e;
size_t s, fs, ns;
mode_t oldmask;
oldmask = umask(0);
list = open("list", O_CREAT | O_WRONLY, 0644);
fd = open("file1", O_CREAT | O_WRONLY, 0644);
assert(fd >= 0);
assertEqualInt(10, write(fd, "123456789", 10));
close(fd);
assertEqualInt(6, write(list, "file1\n", 6));
assertEqualInt(0, link("file1", "hardlink"));
assertEqualInt(9, write(list, "hardlink\n", 9));
assertEqualInt(0, link("file1", "hardlink2"));
assertEqualInt(0, symlink("file1", "symlink"));
assertEqualInt(8, write(list, "symlink\n", 8));
assertEqualInt(0, mkdir("dir", 0775));
assertEqualInt(4, write(list, "dir\n", 4));
now = time(NULL);
close(list);
r = systemf("%s -o --format=newc <list >newc.out 2>newc.err",
testprog);
if (!assertEqualInt(r, 0))
return;
assertFileContents("2 blocks\n", 9, "newc.err");
p = slurpfile(&s, "newc.out");
assertEqualInt(s, 1024);
e = p;
assert(is_hex(e, 110));
assertEqualMem(e + 0, "070701", 6);
ino = from_hex(e + 6, 8);
assertEqualInt(0x81a4, from_hex(e + 14, 8));
assertEqualInt(from_hex(e + 22, 8), getuid());
gid = from_hex(e + 30, 8);
assertEqualMem(e + 38, "00000003", 8);
t = from_hex(e + 46, 8);
failure("t=0x%08x now=0x%08x=%d", t, now, now);
assert(t <= now);
failure("t=0x%08x now - 2=0x%08x = %d", t, now - 2, now - 2);
assert(t >= now - 2);
failure("newc format stores body only with last appearance of a link\n"
" first appearance should be empty, so this file size\n"
" field should be zero");
assertEqualInt(0, from_hex(e + 54, 8));
fs = from_hex(e + 54, 8);
fs += 3 & -fs;
devmajor = from_hex(e + 62, 8);
devminor = from_hex(e + 70, 8);
assert(is_hex(e + 78, 8));
assert(is_hex(e + 86, 8));
assertEqualMem(e + 94, "00000006", 8);
ns = from_hex(e + 94, 8);
ns += 3 & (-ns - 2);
assertEqualInt(0, from_hex(e + 102, 8));
assertEqualMem(e + 110, "file1\0", 6);
e += 110 + fs + ns;
assert(is_hex(e, 110));
assertEqualMem(e + 0, "070701", 6);
assert(is_hex(e + 6, 8));
assertEqualInt(0xa1ff, from_hex(e + 14, 8));
assertEqualInt(from_hex(e + 22, 8), getuid());
assertEqualInt(gid, from_hex(e + 30, 8));
assertEqualMem(e + 38, "00000001", 8);
t2 = from_hex(e + 46, 8);
failure("First entry created at t=0x%08x this entry created at t2=0x%08x", t, t2);
assert(t2 == t || t2 == t + 1);
assertEqualMem(e + 54, "00000005", 8);
fs = from_hex(e + 54, 8);
fs += 3 & -fs;
assertEqualInt(devmajor, from_hex(e + 62, 8));
assertEqualInt(devminor, from_hex(e + 70, 8));
assert(is_hex(e + 78, 8));
assert(is_hex(e + 86, 8));
assertEqualMem(e + 94, "00000008", 8);
ns = from_hex(e + 94, 8);
ns += 3 & (-ns - 2);
assertEqualInt(0, from_hex(e + 102, 8));
assertEqualMem(e + 110, "symlink\0\0\0", 10);
assertEqualMem(e + 110 + ns, "file1\0\0\0", 8);
e += 110 + fs + ns;
assert(is_hex(e, 110));
assertEqualMem(e + 0, "070701", 6);
assert(is_hex(e + 6, 8));
assertEqualInt(0x41fd, from_hex(e + 14, 8));
assertEqualInt(from_hex(e + 22, 8), getuid());
assertEqualInt(gid, from_hex(e + 30, 8));
assertEqualMem(e + 38, "00000002", 8);
t2 = from_hex(e + 46, 8);
failure("First entry created at t=0x%08x this entry created at t2=0x%08x", t, t2);
assert(t2 == t || t2 == t + 1);
assertEqualMem(e + 54, "00000000", 8);
fs = from_hex(e + 54, 8);
fs += 3 & -fs;
assertEqualInt(devmajor, from_hex(e + 62, 8));
assertEqualInt(devminor, from_hex(e + 70, 8));
assert(is_hex(e + 78, 8));
assert(is_hex(e + 86, 8));
assertEqualMem(e + 94, "00000004", 8);
ns = from_hex(e + 94, 8);
ns += 3 & (-ns - 2);
assertEqualInt(0, from_hex(e + 102, 8));
assertEqualMem(e + 110, "dir\0\0\0", 6);
e += 110 + fs + ns;
assert(is_hex(e, 110));
assertEqualMem(e + 0, "070701", 6);
failure("If these aren't the same, then the hardlink detection failed to match them.");
assertEqualInt(ino, from_hex(e + 6, 8));
assertEqualInt(0x81a4, from_hex(e + 14, 8));
assertEqualInt(from_hex(e + 22, 8), getuid());
assertEqualInt(gid, from_hex(e + 30, 8));
assertEqualMem(e + 38, "00000003", 8);
t2 = from_hex(e + 46, 8);
failure("First entry created at t=0x%08x this entry created at t2=0x%08x", t, t2);
assert(t2 == t || t2 == t + 1);
assertEqualInt(10, from_hex(e + 54, 8));
fs = from_hex(e + 54, 8);
fs += 3 & -fs;
assertEqualInt(devmajor, from_hex(e + 62, 8));
assertEqualInt(devminor, from_hex(e + 70, 8));
assert(is_hex(e + 78, 8));
assert(is_hex(e + 86, 8));
assertEqualMem(e + 94, "00000009", 8);
ns = from_hex(e + 94, 8);
ns += 3 & (-ns - 2);
assertEqualInt(0, from_hex(e + 102, 8));
assertEqualMem(e + 110, "hardlink\0\0", 10);
assertEqualMem(e + 110 + ns, "123456789\0\0\0", 12);
e += 110 + ns + fs;
assert(is_hex(e, 110));
assertEqualMem(e + 0, "070701", 6);
assertEqualMem(e + 8, "00000000", 8);
assertEqualMem(e + 14, "00000000", 8);
assertEqualMem(e + 22, "00000000", 8);
assertEqualMem(e + 30, "00000000", 8);
assertEqualMem(e + 38, "00000001", 8);
assertEqualMem(e + 46, "00000000", 8);
assertEqualMem(e + 54, "00000000", 8);
assertEqualMem(e + 62, "00000000", 8);
assertEqualMem(e + 70, "00000000", 8);
assertEqualMem(e + 78, "00000000", 8);
assertEqualMem(e + 86, "00000000", 8);
assertEqualInt(11, from_hex(e + 94, 8));
assertEqualMem(e + 102, "00000000", 8);
assertEqualMem(e + 110, "TRAILER!!!\0\0", 12);
free(p);
umask(oldmask);
}