mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-01-31 19:43:32 +00:00
87 lines
3.6 KiB
C
87 lines
3.6 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
|
|
│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
|
|
╞══════════════════════════════════════════════════════════════════════════════╡
|
|
│ Copyright 2022 Justine Alexandra Roberts Tunney │
|
|
│ │
|
|
│ Permission to use, copy, modify, and/or distribute this software for │
|
|
│ any purpose with or without fee is hereby granted, provided that the │
|
|
│ above copyright notice and this permission notice appear in all copies. │
|
|
│ │
|
|
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
|
|
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
|
|
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
|
|
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
|
|
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
|
|
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
|
|
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
|
|
│ PERFORMANCE OF THIS SOFTWARE. │
|
|
╚─────────────────────────────────────────────────────────────────────────────*/
|
|
#include "libc/calls/calls.h"
|
|
#include "libc/mem/gc.h"
|
|
#include "libc/mem/mem.h"
|
|
#include "libc/stdio/stdio.h"
|
|
#include "libc/str/str.h"
|
|
#include "libc/testlib/ezbench.h"
|
|
#include "libc/testlib/hyperion.h"
|
|
#include "libc/testlib/testlib.h"
|
|
#include "libc/x/xgetline.h"
|
|
|
|
TEST(fgetln, test) {
|
|
FILE *f;
|
|
f = fmemopen(gc(strdup(kHyperion)), kHyperionSize, "r+");
|
|
EXPECT_STREQ("The fall of Hyperion - a Dream\n", fgetln(f, 0));
|
|
EXPECT_STREQ("John Keats\n", fgetln(f, 0));
|
|
EXPECT_STREQ("\n", fgetln(f, 0));
|
|
fclose(f);
|
|
}
|
|
|
|
TEST(fgetln, testGoodLastLine) {
|
|
FILE *f;
|
|
size_t n;
|
|
f = fmemopen("foo\nbar\n", 8, "r");
|
|
EXPECT_STREQ("foo\n", fgetln(f, &n));
|
|
EXPECT_EQ(4, n);
|
|
EXPECT_STREQ("bar\n", fgetln(f, &n));
|
|
EXPECT_EQ(4, n);
|
|
EXPECT_EQ(NULL, fgetln(f, 0));
|
|
EXPECT_FALSE(ferror(f));
|
|
EXPECT_TRUE(feof(f));
|
|
fclose(f);
|
|
}
|
|
|
|
TEST(fgetln, testEvilLastLine) {
|
|
FILE *f;
|
|
f = fmemopen("foo\nbar", 7, "r");
|
|
EXPECT_STREQ("foo\n", fgetln(f, 0));
|
|
EXPECT_STREQ("bar", fgetln(f, 0));
|
|
EXPECT_EQ(NULL, fgetln(f, 0));
|
|
EXPECT_FALSE(ferror(f));
|
|
EXPECT_TRUE(feof(f));
|
|
fclose(f);
|
|
}
|
|
|
|
TEST(fgetln, testReadingFromStdin_doesntLeakMemory) {
|
|
int oldstdin, pfds[2];
|
|
oldstdin = dup(0);
|
|
EXPECT_SYS(0, 0, pipe(pfds));
|
|
EXPECT_SYS(0, 8, write(pfds[1], "foo\nbar\n", 8));
|
|
EXPECT_SYS(0, 0, close(pfds[1]));
|
|
EXPECT_SYS(0, 0, close(0));
|
|
EXPECT_SYS(0, 0, dup(pfds[0]));
|
|
EXPECT_SYS(0, 0, close(pfds[0]));
|
|
EXPECT_STREQ("foo\n", fgetln(stdin, 0));
|
|
EXPECT_STREQ("bar\n", fgetln(stdin, 0));
|
|
EXPECT_EQ(NULL, fgetln(stdin, 0));
|
|
EXPECT_FALSE(ferror(stdin));
|
|
EXPECT_TRUE(feof(stdin));
|
|
EXPECT_SYS(0, 0, close(0));
|
|
EXPECT_SYS(0, 0, dup(oldstdin));
|
|
clearerr(stdin);
|
|
}
|
|
|
|
BENCH(fgetln, bench) {
|
|
FILE *f = fmemopen(gc(strdup(kHyperion)), kHyperionSize, "r+");
|
|
EZBENCH2("fgetln", donothing, fgetln(f, 0));
|
|
EZBENCH2("xgetline", donothing, free(xgetline(f)));
|
|
fclose(f);
|
|
}
|