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https://github.com/jart/cosmopolitan.git
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Add more missing libc functionality
This commit is contained in:
Justine Tunney
parent
cf93ecbbb2
commit
a8cf0f7e89
74 changed files with 6981 additions and 105 deletions
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@ -97,6 +97,8 @@ int extract(const char *from, const char *to, int mode) {
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TEST(unveil, api_differences) {
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SPAWN(fork);
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ASSERT_SYS(0, 0, mkdir("foo", 0755));
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ASSERT_SYS(0, 0, unveil("foo", "r"));
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if (IsOpenbsd()) {
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// openbsd imposes restrictions immediately
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ASSERT_SYS(ENOENT, -1, open("/", O_RDONLY | O_DIRECTORY));
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37
test/libc/stdio/iconv_test.c
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37
test/libc/stdio/iconv_test.c
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@ -0,0 +1,37 @@
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/*-*- 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 2022 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/mem/mem.h"
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#include "libc/runtime/gc.internal.h"
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#include "libc/stdio/iconv.h"
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#include "libc/stdio/stdio.h"
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#include "libc/testlib/testlib.h"
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TEST(iconv, test) {
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iconv_t cd;
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char buf[32] = {0};
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char *in = "\xB6\xE2ʸ\xC2\xCE";
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size_t inb = strlen(in);
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char *out = buf;
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size_t outb = sizeof(buf);
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ASSERT_NE((iconv_t)-1, (cd = iconv_open("UTF-8", "EUC-JP")));
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EXPECT_EQ(0, iconv(cd, &in, &inb, &out, &outb));
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EXPECT_STREQ("", in);
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EXPECT_STREQ("金文体", buf);
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ASSERT_EQ(0, iconv_close(cd));
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}
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163
test/libc/str/strcasestr_test.c
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163
test/libc/str/strcasestr_test.c
Normal file
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@ -0,0 +1,163 @@
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/*-*- 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/alg/alg.h"
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#include "libc/bits/bits.h"
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#include "libc/dce.h"
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#include "libc/mem/mem.h"
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#include "libc/nexgen32e/x86feature.h"
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#include "libc/runtime/gc.internal.h"
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#include "libc/str/internal.h"
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#include "libc/testlib/ezbench.h"
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#include "libc/testlib/hyperion.h"
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#include "libc/testlib/testlib.h"
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#define MAKESTRING(NAME, VALUE) \
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char *NAME = strcpy(malloc(sizeof(VALUE) + 16), VALUE)
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char *strcasestr_naive(const char *haystack, const char *needle) {
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size_t i;
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unsigned k, m;
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if (haystack == needle || !*needle) return haystack;
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for (;;) {
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for (i = 0;; ++i) {
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if (!needle[i]) return (/*unconst*/ char *)haystack;
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if (!haystack[i]) break;
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if (kToLower[needle[i] & 255] != kToLower[haystack[i] & 255]) break;
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}
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if (!*haystack++) break;
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}
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return 0;
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}
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TEST(strcasestr, test_emptyString_isFoundAtBeginning) {
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MAKESTRING(haystack, "abc123def");
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ASSERT_STREQ(&haystack[0], strcasestr(haystack, gc(strdup(""))));
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free(haystack);
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}
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TEST(strcasestr, test_notFound) {
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MAKESTRING(haystack, "abc123def");
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ASSERT_EQ(NULL, strcasestr(haystack, gc(strdup("xyz"))));
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ASSERT_EQ(NULL, strcasestr(haystack, gc(strdup("XYZ"))));
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free(haystack);
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}
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TEST(strcasestr, test_notFound1) {
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MAKESTRING(haystack, "abc123def");
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ASSERT_EQ(NULL, strcasestr(haystack, gc(strdup("x"))));
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ASSERT_EQ(NULL, strcasestr(haystack, gc(strdup("X"))));
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free(haystack);
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}
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TEST(strcasestr, test_middleOfString) {
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MAKESTRING(haystack, "abc123def");
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ASSERT_STREQ(&haystack[3], strcasestr(haystack, gc(strdup("123"))));
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free(haystack);
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}
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TEST(strcasestr, test_endOfString) {
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MAKESTRING(haystack, "abc123def");
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ASSERT_STREQ(&haystack[8], strcasestr(haystack, gc(strdup("f"))));
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ASSERT_STREQ(&haystack[8], strcasestr(haystack, gc(strdup("F"))));
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free(haystack);
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}
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TEST(strcasestr, test_secondXmmWord) {
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MAKESTRING(haystack, "eeeeeeeeeeeeeeeebbbbbbbbbbb123");
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ASSERT_STREQ(&haystack[27], strcasestr(haystack, gc(strdup("123"))));
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free(haystack);
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}
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TEST(strcasestr, test_overlapsXmmWords) {
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MAKESTRING(haystack, "eeeeeeeeeeeeeeeebbbbbbbbbbbbbbb");
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ASSERT_STREQ(&haystack[15], strcasestr(haystack, gc(strdup("eb"))));
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ASSERT_STREQ(&haystack[15], strcasestr(haystack, gc(strdup("Eb"))));
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ASSERT_STREQ(&haystack[15], strcasestr(haystack, gc(strdup("eB"))));
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free(haystack);
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}
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TEST(strcasestr, test) {
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ASSERT_EQ(NULL, strcasestr("x86_64-linux-musl-gcc", "clang"));
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ASSERT_STREQ("gcc", strcasestr("x86_64-linux-musl-gcc", "gcc"));
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ASSERT_EQ(NULL, strcasestr("-Wl,--gc-sections", "stack-protector"));
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ASSERT_EQ(NULL, strcasestr("-Wl,--gc-sections", "sanitize"));
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ASSERT_STREQ("x", strcasestr("x", "x"));
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}
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/*
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* strstr naive l: 103,057c 33,287ns m: 47,035c 15,192ns
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* strstr l: 3,186c 1,029ns m: 3,218c 1,039ns
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* strstr torture 1 l: 27c 9ns m: 61c 20ns
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* strstr torture 2 l: 2,322c 750ns m: 2,362c 763ns
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* strstr torture 4 l: 2,407c 777ns m: 2,448c 791ns
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* strstr torture 8 l: 2,803c 905ns m: 2,862c 924ns
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* strstr torture 16 l: 4,559c 1,473ns m: 3,614c 1,167ns
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* strstr torture 32 l: 5,324c 1,720ns m: 5,577c 1,801ns
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*
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* strcasestr naive l: 129,908c 41,959ns m: 155,420c 50,200ns
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* strcasestr l: 33,464c 10,809ns m: 31,636c 10,218ns
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* strcasestr tort 1 l: 38c 12ns m: 69c 22ns
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* strcasestr tort 2 l: 2,544c 822ns m: 2,580c 833ns
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* strcasestr tort 4 l: 2,745c 887ns m: 2,767c 894ns
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* strcasestr tort 8 l: 4,198c 1,356ns m: 4,216c 1,362ns
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* strcasestr tort 16 l: 7,402c 2,391ns m: 7,487c 2,418ns
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* strcasestr tort 32 l: 13,772c 4,448ns m: 12,945c 4,181ns
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*/
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BENCH(strcasestr, bench) {
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EZBENCH2("strcasestr naive", donothing,
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EXPROPRIATE(strcasestr_naive(kHyperion, "THE END")));
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EZBENCH2("strcasestr", donothing,
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EXPROPRIATE(strcasestr(kHyperion, "THE END")));
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EZBENCH2("strcasestr tort 1", donothing,
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EXPROPRIATE(strcasestr(
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaab",
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"B")));
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EZBENCH2("strcasestr tort 2", donothing,
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EXPROPRIATE(strcasestr(
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaab",
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"ab")));
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EZBENCH2("strcasestr tort 4", donothing,
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EXPROPRIATE(strcasestr(
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaab",
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"aaab")));
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EZBENCH2("strcasestr tort 8", donothing,
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EXPROPRIATE(strcasestr(
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaab",
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"aaaaaaab")));
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EZBENCH2("strcasestr tort 16", donothing,
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EXPROPRIATE(strcasestr(
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaab",
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"aaaaaaaaaaaaaaab")));
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EZBENCH2("strcasestr tort 32", donothing,
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EXPROPRIATE(strcasestr(
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaab",
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaab")));
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}
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@ -30,8 +30,19 @@
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#define MAKESTRING(NAME, VALUE) \
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char *NAME = strcpy(malloc(sizeof(VALUE) + 16), VALUE)
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char *strstr_kmp(const char *haystak, const char *needle) {
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return memmem(haystak, strlen(haystak), needle, strlen(needle));
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char *strstr_naive(const char *haystack, const char *needle) {
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size_t i;
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unsigned k, m;
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if (haystack == needle || !*needle) return haystack;
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for (;;) {
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for (i = 0;; ++i) {
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if (!needle[i]) return (/*unconst*/ char *)haystack;
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if (!haystack[i]) break;
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if (needle[i] != haystack[i]) break;
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}
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if (!*haystack++) break;
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}
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return 0;
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}
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TEST(strstr, test_emptyString_isFoundAtBeginning) {
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@ -84,7 +95,28 @@ TEST(strstr, test) {
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ASSERT_STREQ("x", strstr("x", "x"));
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}
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/*
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* strstr naive l: 103,057c 33,287ns m: 47,035c 15,192ns
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* strstr l: 3,186c 1,029ns m: 3,218c 1,039ns
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* strstr torture 1 l: 27c 9ns m: 61c 20ns
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* strstr torture 2 l: 2,322c 750ns m: 2,362c 763ns
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* strstr torture 4 l: 2,407c 777ns m: 2,448c 791ns
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* strstr torture 8 l: 2,803c 905ns m: 2,862c 924ns
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* strstr torture 16 l: 4,559c 1,473ns m: 3,614c 1,167ns
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* strstr torture 32 l: 5,324c 1,720ns m: 5,577c 1,801ns
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*
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* strcasestr naive l: 129,908c 41,959ns m: 155,420c 50,200ns
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* strcasestr l: 33,464c 10,809ns m: 31,636c 10,218ns
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* strcasestr tort 1 l: 38c 12ns m: 69c 22ns
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* strcasestr tort 2 l: 2,544c 822ns m: 2,580c 833ns
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* strcasestr tort 4 l: 2,745c 887ns m: 2,767c 894ns
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* strcasestr tort 8 l: 4,198c 1,356ns m: 4,216c 1,362ns
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* strcasestr tort 16 l: 7,402c 2,391ns m: 7,487c 2,418ns
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* strcasestr tort 32 l: 13,772c 4,448ns m: 12,945c 4,181ns
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*/
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BENCH(strstr, bench) {
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EZBENCH2("strstr naive", donothing,
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EXPROPRIATE(strstr_naive(kHyperion, "THE END")));
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EZBENCH2("strstr", donothing, EXPROPRIATE(strstr(kHyperion, "THE END")));
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EZBENCH2("strstr torture 1", donothing,
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EXPROPRIATE(strstr(
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