jD91mZM2
47 lines
1.0 KiB
C
47 lines
1.0 KiB
C
#include <errno.h>
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#include <stdio.h>
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#include <sys/stat.h>
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#include <unistd.h>
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int main(int argc, char** argv) {
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printf("%ld\n", sizeof(struct stat));
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struct stat buf;
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// Stat for the inode
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if (stat("unistd/link.c", &buf)) {
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perror("stat");
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return 1;
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}
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unsigned long inode = buf.st_ino;
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printf("%ld\n", inode);
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// Create the link
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if (link("unistd/link.c", "link.out")) {
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perror("link");
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return 1;
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}
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// Make sure inodes match
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if (stat("link.out", &buf)) {
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perror("stat");
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}
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printf("%ld\n", inode);
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printf("%ld\n", buf.st_ino);
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if (inode != buf.st_ino) {
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puts("Created file is not a link.");
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printf("unistd/link.c inode: %ld\n", inode);
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printf("link.out inode: %ld\n", buf.st_ino);
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}
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// Remove link
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if (unlink("link.out")) {
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perror("unlink");
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return 1;
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}
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if (!stat("link.out", &buf) || errno != ENOENT) {
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perror("stat");
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return 1;
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}
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}
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