20 lines
449 B
C
20 lines
449 B
C
#include <stdio.h>
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#include <unistd.h>
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#include <assert.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <string.h>
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int main(int argc, char *argv[]) {
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int fd = open("/tmp/file", O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR);
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assert(fd >= 0);
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char buffer[20];
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sprintf(buffer, "hello world\n");
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int rc = write(fd, buffer, strlen(buffer));
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assert(rc == (strlen(buffer)));
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fsync(fd);
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close(fd);
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return 0;
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}
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