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-rw-r--r--bin/cpt-stat.c41
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diff --git a/bin/cpt-stat.c b/bin/cpt-stat.c
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+/* kiss-stat --- a utility for getting the user name of file owner
+ * See LICENSE for copyright information
+ *
+ * The reason this simple tool exists is because 'stat' is not
+ * portable and ls is not exactly stable enough for scripting.
+ * This program is for outputting the owner name, and that's it.
+ */
+
+#include <pwd.h>
+#include <sys/stat.h>
+#include <stdio.h>
+#include <string.h>
+
+struct passwd *pw;
+struct stat sb;
+
+int
+main (int argc, char *argv[])
+{
+ /* Exit if no or multiple arguments are given. */
+ if (argc != 2 || strcmp(argv[1], "--help") == 0) {
+ fprintf(stderr, "Usage: %s [pathname]\n", argv[0]);
+ return 1;
+ }
+
+ /* Exit if file stat cannot be obtained. */
+ if (lstat(argv[1], &sb) == -1) {
+ perror(argv[0]);
+ return 1;
+ }
+
+ /* Exit if name of the owner cannot be retrieved. */
+ if (!getpwuid(sb.st_uid)) {
+ return 1;
+ }
+
+ /* Print the user name of file owner. */
+ pw = getpwuid(sb.st_uid);
+ printf("%s\n", pw->pw_name);
+ return 0;
+}