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e16a7d8f3b
`et` means `expandtab`. ```sh rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\) et\(.*\) :vi/vi: \1 xoet\2:vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)noet\(.*\):vi/vi: \1et\2 :vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)xoet\(.*\):vi/vi: \1noet\2:vi/' ```
69 lines
3.3 KiB
C
69 lines
3.3 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│ vi: set et 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/mem/gc.internal.h"
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#include "libc/mem/mem.h"
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#include "libc/str/str.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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#include "libc/x/xasprintf.h"
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TEST(xstrcat, test) {
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EXPECT_STREQ("hi", gc(xstrcat("hi")));
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EXPECT_STREQ("hithere", gc(xstrcat("hi", "there")));
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EXPECT_STREQ("einszweidrei", gc(xstrcat("eins", "zwei", "drei")));
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}
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TEST(xstrcat, pointerAbuse) {
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EXPECT_STREQ("hi there", gc(xstrcat("hi", ' ', "there")));
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EXPECT_STREQ("hi there\n", gc(xstrcat("hi", ' ', "there", '\n')));
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}
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int hard_static(void) {
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char *b, *p;
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p = b = malloc(16);
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p = stpcpy(p, "eins");
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p = stpcpy(p, "zwei");
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p = stpcpy(p, "drei");
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free(b);
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return (intptr_t)b;
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}
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int hard_dynamic(void) {
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char *b, *p;
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p = b = malloc(16);
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p = stpcpy(p, __veil("r", "eins"));
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p = stpcpy(p, __veil("r", "zwei"));
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p = stpcpy(p, __veil("r", "drei"));
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free(b);
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return (intptr_t)b;
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}
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BENCH(xstrcat, bench) {
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EZBENCH2("hard_static", donothing, __expropriate(hard_static()));
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EZBENCH2("hard_dynamic", donothing, __expropriate(hard_dynamic()));
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EZBENCH2("xstrcat", donothing, free(xstrcat("eins", "zwei", "drei")));
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EZBENCH2("xasprintf", donothing,
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free(xasprintf("%s%s%s", "eins", "zwei", "drei")));
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EZBENCH2("xstrcat2", donothing,
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free(xstrcat("einseinseins", "zweizweizwei", "dreidreidrei")));
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EZBENCH2("xasprintf2", donothing,
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free(xasprintf("%s%s%s", "einseinseins", "zweizweizwei",
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"dreidreidrei")));
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}
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