Cull the examples folder

tool/viz/datauri.c

@@ -0,0 +1,63 @@
+#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/errno.h"
+#include "libc/log/log.h"
+#include "libc/mem/gc.internal.h"
+#include "libc/runtime/runtime.h"
+#include "libc/stdio/stdio.h"
+#include "libc/x/x.h"
+#include "net/http/escape.h"
+#include "net/http/http.h"
+#include "third_party/getopt/getopt.internal.h"
+#include "third_party/stb/stb_image.h"
+
+#define USAGE \
+  " [FLAGS] FILE...\n\
+Utility for printing data:base64 URIs.\n\
+\n\
+FLAGS\n\
+\n\
+  -h      Help\n"
+
+void PrintUsage(int rc, FILE *f) {
+  fputs("Usage: ", f);
+  fputs(program_invocation_name, f);
+  fputs(USAGE, f);
+  exit(rc);
+}
+
+void PrintUri(const char *path) {
+  size_t n;
+  void *img;
+  if (!(img = gc(xslurp(path, &n)))) exit(2);
+  fputs("data:", stdout);
+  fputs(FindContentType(path, -1), stdout);
+  fputs(";base64,", stdout);
+  fputs(gc(EncodeBase64(img, n, 0)), stdout);
+}
+
+int main(int argc, char *argv[]) {
+  int i;
+  while ((i = getopt(argc, argv, "?h")) != -1) {
+    switch (i) {
+      case '?':
+      case 'h':
+        PrintUsage(0, stdout);
+      default:
+        PrintUsage(1, stderr);
+    }
+  }
+  if (optind == argc) {
+    PrintUsage(1, stderr);
+  }
+  for (i = optind; i < argc; ++i) {
+    PrintUri(argv[i]);
+  }
+}