Initial import

examples/stat.c

@@ -0,0 +1,61 @@
+#if 0
+/*─────────────────────────────────────────────────────────────────╗
+│ To the extent possible under law, Justine Tunney has waived      │
+│ all copyright and related or neighboring rights to this file,    │
+│ as it is written in the following disclaimers:                   │
+│   • http://unlicense.org/                                        │
+│   • http://creativecommons.org/publicdomain/zero/1.0/            │
+╚─────────────────────────────────────────────────────────────────*/
+#endif
+#include "libc/calls/calls.h"
+#include "libc/calls/struct/stat.h"
+#include "libc/errno.h"
+#include "libc/fmt/fmt.h"
+#include "libc/runtime/gc.h"
+#include "libc/stdio/stdio.h"
+#include "libc/x/x.h"
+
+/**
+ * @fileoverview File metadata viewer.
+ *
+ * This demonstrates the more powerful aspects of the printf() DSL.
+ */
+
+void PrintFileMetadata(const char *pathname, struct stat *st) {
+  printf("\n%s:", pathname);
+  if (stat(pathname, st) != -1) {
+    printf(
+        "\n"
+        "%-32s%,ld\n"
+        "%-32s%,ld\n"
+        "%-32s%#lx\n"
+        "%-32s%#lx\n"
+        "%-32s%ld\n"
+        "%-32s%#o\n"
+        "%-32s%d\n"
+        "%-32s%d\n"
+        "%-32s%d\n"
+        "%-32s%ld\n"
+        "%-32s%s\n"
+        "%-32s%s\n"
+        "%-32s%s\n",
+        "bytes in file", st->st_size, "physical bytes", st->st_blocks * 512,
+        "device id w/ file", st->st_dev, "inode", st->st_ino, "hard link count",
+        st->st_nlink, "mode / permissions", st->st_mode, "owner id", st->st_uid,
+        "group id", st->st_gid, "device id (if special)", st->st_rdev,
+        "block size", st->st_blksize, "access time", gc(xiso8601(&st->st_atim)),
+        "modified time", gc(xiso8601(&st->st_mtim)), "c[omplicated]time",
+        gc(xiso8601(&st->st_ctim)));
+  } else {
+    printf(" %s\n", strerror(errno));
+  }
+}
+
+int main(int argc, char *argv[]) {
+  size_t i;
+  struct stat st;
+  for (i = 1; i < argc; ++i) {
+    PrintFileMetadata(argv[i], &st);
+  }
+  return 0;
+}