init commit

3sem/seminars/l6/01.c

@@ -0,0 +1,50 @@
+#include <sys/stat.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/file.h>
+#include <sys/types.h>
+#include <string.h>
+#include <dirent.h>
+#include <linux/limits.h>
+
+struct Files
+{
+    char *pathname;
+    __ino_t st_ino;
+    __dev_t st_dev;
+};
+
+int
+main(int argc, char **argv)
+{
+    struct stat st;
+    if (lstat(".", &st) == -1) {
+        printf("stat error\n");
+        return 1;
+    }
+
+    DIR *dir = opendir("..");
+    struct dirent *de;
+    while ((de = readdir(dir))) {
+        if (!strcmp(de->d_name, ".") || !strcmp(de->d_name, "..")) {
+            continue;
+        }
+
+        struct stat sttmp;
+
+        char buf[PATH_MAX];
+        snprintf(buf, PATH_MAX, "%s/%s", "..", de->d_name);
+        if (lstat(buf, &sttmp) == -1) {
+            printf("lstat error\n");
+            return 1;
+        }
+        printf("%s\n", de->d_name);
+        if (sttmp.st_dev == st.st_dev && sttmp.st_ino == st.st_ino) {
+            printf("%s\n", de->d_name);
+        }
+    }
+
+    return 0;
+}