mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-01-31 19:43:32 +00:00
110559ce6a
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.
252 lines
8.7 KiB
C
252 lines
8.7 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/calls.h"
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#include "libc/calls/struct/dirent.h"
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#include "libc/calls/struct/stat.h"
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#include "libc/dce.h"
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#include "libc/errno.h"
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#include "libc/intrin/kprintf.h"
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#include "libc/mem/gc.h"
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#include "libc/mem/gc.internal.h"
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#include "libc/runtime/runtime.h"
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#include "libc/stdio/rand.h"
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#include "libc/str/str.h"
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#include "libc/sysv/consts/dt.h"
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#include "libc/sysv/consts/o.h"
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#include "libc/sysv/consts/s.h"
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#include "libc/testlib/testlib.h"
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#include "libc/x/xasprintf.h"
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#include "libc/x/xiso8601.h"
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__static_yoink("zipos");
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__static_yoink("usr/share/zoneinfo/New_York");
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char testlib_enable_tmp_setup_teardown;
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DIR *dir;
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struct dirent *ent;
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void SetUp(void) {
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dir = 0;
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ent = 0;
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}
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TEST(opendir, efault) {
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ASSERT_SYS(EFAULT, NULL, opendir(0));
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if (!IsAsan()) return; // not possible
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ASSERT_SYS(EFAULT, NULL, opendir((void *)77));
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}
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TEST(opendir, enoent) {
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ASSERT_SYS(ENOENT, NULL, opendir(""));
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ASSERT_SYS(ENOENT, NULL, opendir("o/foo"));
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}
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TEST(opendir, enotdir) {
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ASSERT_SYS(0, 0, close(creat("yo", 0644)));
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ASSERT_SYS(ENOTDIR, NULL, opendir("yo/there"));
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}
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TEST(opendir, zipTest_fake) {
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ASSERT_NE(NULL, (dir = opendir("/zip")));
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EXPECT_NE(NULL, (ent = readdir(dir)));
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EXPECT_STREQ(".", ent->d_name);
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EXPECT_NE(NULL, (ent = readdir(dir)));
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EXPECT_STREQ("..", ent->d_name);
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EXPECT_NE(NULL, (ent = readdir(dir)));
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EXPECT_STREQ("echo.com", ent->d_name);
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EXPECT_NE(NULL, (ent = readdir(dir)));
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EXPECT_STREQ("usr", ent->d_name);
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EXPECT_NE(NULL, (ent = readdir(dir)));
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EXPECT_STREQ(".cosmo", ent->d_name);
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EXPECT_EQ(NULL, (ent = readdir(dir)));
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EXPECT_EQ(0, closedir(dir));
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ASSERT_NE(NULL, (dir = opendir("/zip/")));
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EXPECT_NE(NULL, (ent = readdir(dir)));
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EXPECT_STREQ(".", ent->d_name);
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EXPECT_NE(NULL, (ent = readdir(dir)));
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EXPECT_STREQ("..", ent->d_name);
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EXPECT_NE(NULL, (ent = readdir(dir)));
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EXPECT_STREQ("echo.com", ent->d_name);
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EXPECT_NE(NULL, (ent = readdir(dir)));
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EXPECT_STREQ("usr", ent->d_name);
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EXPECT_NE(NULL, (ent = readdir(dir)));
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EXPECT_STREQ(".cosmo", ent->d_name);
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EXPECT_EQ(NULL, (ent = readdir(dir)));
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EXPECT_EQ(0, closedir(dir));
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ASSERT_NE(NULL, (dir = opendir("/zip/usr")));
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EXPECT_NE(NULL, (ent = readdir(dir)));
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EXPECT_STREQ(".", ent->d_name);
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EXPECT_NE(NULL, (ent = readdir(dir)));
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EXPECT_STREQ("..", ent->d_name);
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EXPECT_NE(NULL, (ent = readdir(dir)));
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EXPECT_STREQ("share", ent->d_name);
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EXPECT_EQ(NULL, (ent = readdir(dir)));
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EXPECT_EQ(0, closedir(dir));
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ASSERT_NE(NULL, (dir = opendir("/zip/usr/")));
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EXPECT_NE(NULL, (ent = readdir(dir)));
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EXPECT_STREQ(".", ent->d_name);
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EXPECT_NE(NULL, (ent = readdir(dir)));
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EXPECT_STREQ("..", ent->d_name);
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EXPECT_NE(NULL, (ent = readdir(dir)));
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EXPECT_STREQ("share", ent->d_name);
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EXPECT_EQ(NULL, (ent = readdir(dir)));
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EXPECT_EQ(0, closedir(dir));
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EXPECT_EQ(NULL, (dir = opendir("/zip/us")));
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EXPECT_EQ(NULL, (dir = opendir("/zip/us/")));
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}
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TEST(opendir, openSyntheticDirEntry) {
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struct stat st;
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ASSERT_SYS(0, 3, open("/zip", O_RDONLY | O_DIRECTORY));
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ASSERT_SYS(0, 0, fstat(3, &st));
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ASSERT_TRUE(S_ISDIR(st.st_mode));
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EXPECT_SYS(EISDIR, -1, read(3, 0, 0));
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ASSERT_NE(NULL, (dir = fdopendir(3)));
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EXPECT_NE(NULL, (ent = readdir(dir)));
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EXPECT_EQ(0, closedir(dir));
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}
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TEST(opendir, openRealDirEntry) {
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struct stat st;
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ASSERT_SYS(0, 3, open("/zip/usr/share/zoneinfo", O_RDONLY | O_DIRECTORY));
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ASSERT_SYS(0, 0, fstat(3, &st));
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ASSERT_TRUE(S_ISDIR(st.st_mode));
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EXPECT_SYS(EISDIR, -1, read(3, 0, 0));
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ASSERT_NE(NULL, (dir = fdopendir(3)));
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EXPECT_NE(NULL, (ent = readdir(dir)));
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EXPECT_EQ(0, closedir(dir));
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}
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TEST(dirstream, testDots) {
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int hasdot = 0;
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int hasdotdot = 0;
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ASSERT_SYS(0, 0, close(creat("foo", 0644)));
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ASSERT_NE(NULL, (dir = opendir(".")));
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while ((ent = readdir(dir))) {
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if (!strcmp(ent->d_name, ".")) {
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++hasdot;
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EXPECT_EQ(DT_DIR, ent->d_type);
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}
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if (!strcmp(ent->d_name, "..")) {
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++hasdotdot;
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EXPECT_EQ(DT_DIR, ent->d_type);
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}
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}
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EXPECT_EQ(1, hasdot);
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EXPECT_EQ(1, hasdotdot);
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EXPECT_SYS(0, 0, closedir(dir));
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}
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TEST(dirstream, test) {
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bool hasfoo = false;
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bool hasbar = false;
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char *dpath, *file1, *file2;
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dpath = gc(xasprintf("%s.%d", "dirstream", rand()));
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file1 = gc(xasprintf("%s/%s", dpath, "foo"));
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file2 = gc(xasprintf("%s/%s", dpath, "bar"));
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EXPECT_NE(-1, mkdir(dpath, 0755));
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EXPECT_NE(-1, touch(file1, 0644));
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EXPECT_NE(-1, touch(file2, 0644));
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EXPECT_TRUE(NULL != (dir = opendir(dpath)));
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while ((ent = readdir(dir))) {
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if (!strcmp(ent->d_name, "foo")) {
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EXPECT_EQ(DT_REG, ent->d_type);
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hasfoo = true;
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}
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if (!strcmp(ent->d_name, "bar")) {
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EXPECT_EQ(DT_REG, ent->d_type);
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hasbar = true;
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}
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}
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EXPECT_TRUE(hasfoo);
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EXPECT_TRUE(hasbar);
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EXPECT_NE(-1, closedir(dir));
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EXPECT_NE(-1, unlink(file2));
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EXPECT_NE(-1, unlink(file1));
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EXPECT_NE(-1, rmdir(dpath));
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}
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TEST(dirstream, zipTest) {
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bool foundNewYork = false;
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const char *path = "/zip/usr/share/zoneinfo/";
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ASSERT_NE(NULL, (dir = opendir(path)));
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while ((ent = readdir(dir))) {
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foundNewYork |= !strcmp(ent->d_name, "New_York");
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}
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EXPECT_SYS(0, 0, closedir(dir));
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EXPECT_TRUE(foundNewYork);
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}
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TEST(rewinddir, test) {
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bool hasfoo = false;
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bool hasbar = false;
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char *dpath, *file1, *file2;
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dpath = gc(xasprintf("%s.%d", "dirstream", rand()));
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file1 = gc(xasprintf("%s/%s", dpath, "foo"));
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file2 = gc(xasprintf("%s/%s", dpath, "bar"));
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EXPECT_NE(-1, mkdir(dpath, 0755));
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EXPECT_NE(-1, touch(file1, 0644));
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EXPECT_NE(-1, touch(file2, 0644));
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EXPECT_TRUE(NULL != (dir = opendir(dpath)));
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readdir(dir);
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readdir(dir);
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readdir(dir);
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rewinddir(dir);
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while ((ent = readdir(dir))) {
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if (strcmp(ent->d_name, "foo")) hasfoo = true;
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if (strcmp(ent->d_name, "bar")) hasbar = true;
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}
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EXPECT_TRUE(hasfoo);
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EXPECT_TRUE(hasbar);
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EXPECT_NE(-1, closedir(dir));
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EXPECT_NE(-1, unlink(file2));
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EXPECT_NE(-1, unlink(file1));
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EXPECT_NE(-1, rmdir(dpath));
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}
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TEST(dirstream, zipTest_notDir) {
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ASSERT_EQ(NULL, opendir("/zip/usr/share/zoneinfo/New_York"));
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ASSERT_EQ(ENOTDIR, errno);
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}
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TEST(dirstream, seek) {
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if (IsNetbsd()) return; // omg
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ASSERT_SYS(0, 0, mkdir("boop", 0755));
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EXPECT_SYS(0, 0, touch("boop/a", 0644));
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EXPECT_SYS(0, 0, touch("boop/b", 0644));
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EXPECT_SYS(0, 0, touch("boop/c", 0644));
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ASSERT_NE(NULL, (dir = opendir("boop")));
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ASSERT_NE(NULL, (ent = readdir(dir))); // #1
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ASSERT_NE(NULL, (ent = readdir(dir))); // #2
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long pos = telldir(dir);
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ASSERT_NE(NULL, (ent = readdir(dir))); // #3
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char name[32];
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strlcpy(name, ent->d_name, sizeof(name));
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ASSERT_NE(NULL, (ent = readdir(dir))); // #4
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ASSERT_NE(NULL, (ent = readdir(dir))); // #5
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ASSERT_EQ(NULL, (ent = readdir(dir))); // eod
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seekdir(dir, pos);
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ASSERT_NE(NULL, (ent = readdir(dir))); // #2
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ASSERT_STREQ(name, ent->d_name);
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ASSERT_NE(NULL, (ent = readdir(dir))); // #3
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ASSERT_NE(NULL, (ent = readdir(dir))); // #4
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ASSERT_EQ(NULL, (ent = readdir(dir))); // eod
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ASSERT_SYS(0, 0, closedir(dir));
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}
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