jD91mZM2
28 lines
564 B
C
28 lines
564 B
C
#include <stdio.h>
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#include <fcntl.h>
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#include <string.h>
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#include <unistd.h>
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static char oldpath[] = "old-name.out";
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static char newpath[] = "new-name.out";
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static char str[] = "Hello, World!";
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int str_len = 13;
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int main() {
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char buf[14];
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buf[13] = 0x00;
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int fd = creat(oldpath, 0777);
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write(fd, str, str_len);
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close(fd);
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rename(oldpath, newpath);
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fd = open(newpath, O_RDONLY);
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read(fd, buf, str_len);
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close(fd);
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remove(newpath);
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if (strcmp(str, buf) == 0) {
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return 0;
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} else {
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return -1;
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}
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}
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