kiss: use our own version of stat for portability purposes.

FossilOrigin-Name: 44c082a4672f3de9f932cd7262e2d8b4cba2fc590750db9b1fefc38673910045

1 files changed, 32 insertions, 0 deletions

diff --git a/bin/kiss-stat.c b/bin/kiss-stat.c
new file mode 100644
index 0000000..d03bd13
--- /dev/null
+++ b/bin/kiss-stat.c
@@ -0,0 +1,32 @@
+// 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>
+
+int main (int argc, char *argv[]) {
+  struct stat sb;
+
+  // Exit if no or multiple arguments are given
+  if (argc != 2) {
+    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);
+  }
+
+  // Print the user name of file owner
+  struct passwd *pw = getpwuid(sb.st_uid);
+  printf("%s\n", pw->pw_name);
+  return(0);
+}