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Make ZipOS and Qemu work better

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This change improves the dirstream library in a lot of respects,
especially for /zip/... files. Also turn off MAP_STACK on Aarch64
because Qemu seems to implement it differently than Linux and it's
probably responsible for a lot of mysterious crashes.
This commit is contained in:
Justine Tunney 2023-08-15 18:24:53 -07:00
parent 4658ae539f
commit 110559ce6a
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GPG key ID: BE714B4575D6E328
48 changed files with 748 additions and 500 deletions
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39
test/libc/runtime/zipos_test.c
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@ -17,9 +17,12 @@
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/calls.h"
#include "libc/errno.h"
#include "libc/limits.h"
#include "libc/mem/gc.h"
#include "libc/mem/mem.h"
#include "libc/runtime/runtime.h"
#include "libc/runtime/zipos.internal.h"
#include "libc/str/str.h"
#include "libc/sysv/consts/o.h"
#include "libc/testlib/hyperion.h"
@ -53,3 +56,39 @@ TEST(zipos, test) {
for (i = 0; i < n; ++i) EXPECT_SYS(0, 0, _join(t + i));
__print_maps();
}
TEST(zipos, normpath) {
{
char s[] = "";
__zipos_normpath(s);
ASSERT_STREQ("", s);
}
{
char s[] = "usr/";
__zipos_normpath(s);
ASSERT_STREQ("usr", s);
}
{
char s[] = "usr/./";
__zipos_normpath(s);
ASSERT_STREQ("usr", s);
}
}
#if 0
TEST(zipos_O_DIRECTORY, blocksOpeningOfNormalFiles) {
ASSERT_SYS(ENOTDIR, -1,
open("/zip/libc/testlib/hyperion.txt", O_RDONLY | O_DIRECTORY));
}
#endif
TEST(zipos, readPastEof) {
char buf[512];
ASSERT_SYS(0, 3, open("/zip/libc/testlib/hyperion.txt", O_RDONLY));
EXPECT_SYS(EINVAL, -1, pread(3, buf, 512, UINT64_MAX));
EXPECT_SYS(0, 0, pread(3, buf, 512, INT64_MAX));
EXPECT_SYS(EINVAL, -1, lseek(3, UINT64_MAX, SEEK_SET));
EXPECT_SYS(0, INT64_MAX, lseek(3, INT64_MAX, SEEK_SET));
EXPECT_SYS(0, 0, read(3, buf, 512));
EXPECT_SYS(0, 0, close(3));
}