mirror of
https://github.com/checkpoint-restore/criu
synced 2025-08-22 09:58:09 +00:00
0194ed392f
Brought to you by codespell -w (using codespell v2.1.0). Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
62 lines
1.0 KiB
C
62 lines
1.0 KiB
C
#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/wait.h>
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#include <fcntl.h>
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#include <signal.h>
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#include <stdio.h>
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#include <string.h>
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#include "zdtmtst.h"
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const char *test_doc = "Check O_APPEND preserved";
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const char *test_author = "Pavel Emelyanov <xemul@parallels.com>";
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char *filename;
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TEST_OPTION(filename, string, "file name", 1);
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int main(int argc, char **argv)
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{
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int fd, fd2, ret;
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char tmp[3];
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test_init(argc, argv);
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fd = open(filename, O_RDWR | O_CREAT | O_APPEND, 0644);
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if (fd == -1)
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return 1;
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fd2 = open(filename, O_RDWR, 0644);
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if (fd2 == -1)
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return 1;
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test_daemon();
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test_waitsig();
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if (write(fd2, "x", 1) != 1) {
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pr_perror("Can't write x");
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return 1;
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}
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if (write(fd, "y", 1) != 1) {
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pr_perror("Can't write y");
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return 1;
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}
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lseek(fd2, 0, SEEK_SET);
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ret = read(fd2, tmp, 3);
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if (ret != 2) {
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fail("Smth's wrong with file size");
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return 1;
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}
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tmp[2] = '\0';
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if (strcmp(tmp, "xy")) {
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fail("Smth's wrong with file contents (%s)", tmp);
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return 1;
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}
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pass();
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return 0;
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}
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