mirror of
https://github.com/jart/cosmopolitan.git
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1ef955c33b
This change adds opendir, readdir, and stat support for the /zip/ root, as well as directories not explicitly encoded in the zip file.
119 lines
4.9 KiB
C
119 lines
4.9 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/internal.h"
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#include "libc/calls/struct/metastat.internal.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/nt/files.h"
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#include "libc/runtime/gc.internal.h"
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#include "libc/runtime/runtime.h"
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#include "libc/str/str.h"
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#include "libc/sysv/consts/at.h"
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#include "libc/sysv/consts/nr.h"
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#include "libc/testlib/ezbench.h"
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#include "libc/testlib/testlib.h"
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#include "libc/x/x.h"
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STATIC_YOINK("zip_uri_support");
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char testlib_enable_tmp_setup_teardown;
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void SetUpOnce(void) {
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ASSERT_SYS(0, 0, pledge("stdio rpath wpath cpath fattr", 0));
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}
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TEST(stat_010, testEmptyFile_sizeIsZero) {
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struct stat st;
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memset(&st, -1, sizeof(st));
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ASSERT_SYS(0, 0, close(creat("hi", 0644)));
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EXPECT_SYS(0, 0, stat("hi", &st));
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EXPECT_EQ(0, st.st_size);
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}
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TEST(stat, enoent) {
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ASSERT_SYS(ENOENT, -1, stat("hi", 0));
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ASSERT_SYS(ENOENT, -1, stat("o/doesnotexist", 0));
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}
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TEST(stat, enotdir) {
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ASSERT_SYS(0, 0, close(creat("yo", 0644)));
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ASSERT_SYS(ENOTDIR, -1, stat("yo/there", 0));
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}
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TEST(stat, zipos) {
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struct stat st;
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EXPECT_SYS(0, 0,
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stat("/zip/.python/test/"
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"tokenize_tests-latin1-coding-cookie-and-utf8-bom-sig.txt",
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&st));
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EXPECT_SYS(0, 0, stat("/zip", &st));
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EXPECT_SYS(0, 0, stat("/zip/", &st));
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EXPECT_SYS(0, 0, stat("/zip/.python", &st));
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EXPECT_SYS(0, 0, stat("/zip/.python/", &st));
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}
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static long Stat(const char *path, struct stat *st) {
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long ax, di, si, dx;
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asm volatile("syscall"
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: "=a"(ax), "=D"(di), "=S"(si), "=d"(dx)
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: "0"(__NR_stat), "1"(path), "2"(st)
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: "rcx", "r8", "r9", "r10", "r11", "memory", "cc");
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return ax;
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}
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static long Fstatat(const char *path, struct stat *st) {
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long ax, di, si, dx;
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register long r10 asm("r10") = 0;
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asm volatile("syscall"
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: "=a"(ax), "=D"(di), "=S"(si), "=d"(dx), "+r"(r10)
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: "0"(__NR_fstatat), "1"(AT_FDCWD), "2"(path), "3"(st)
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: "rcx", "r8", "r9", "r11", "memory", "cc");
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return ax;
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}
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BENCH(stat, bench) {
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struct stat st;
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union metastat ms;
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EXPECT_SYS(0, 0, makedirs(".python/test", 0755));
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EZBENCH2("__stat2cosmo", donothing, __stat2cosmo(&st, &ms));
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EXPECT_SYS(0, 0,
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touch(".python/test/"
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"tokenize_tests-latin1-coding-cookie-and-utf8-bom-sig.txt",
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0644));
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if (!IsWindows() && !IsFreebsd()) {
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EZBENCH2("stat syscall", donothing,
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Stat(".python/test/"
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"tokenize_tests-latin1-coding-cookie-and-utf8-bom-sig.txt",
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&st));
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EZBENCH2("fstatat syscall", donothing,
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Fstatat(".python/test/"
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"tokenize_tests-latin1-coding-cookie-and-utf8-bom-sig.txt",
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&st));
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}
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EZBENCH2("stat() fs", donothing,
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stat(".python/test/"
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"tokenize_tests-latin1-coding-cookie-and-utf8-bom-sig.txt",
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&st));
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EZBENCH2("stat() zipos", donothing,
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stat("/zip/.python/test/"
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"tokenize_tests-latin1-coding-cookie-and-utf8-bom-sig.txt",
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&st));
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}
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