--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dep/utf8proc/bench/unistring.c	Thu Jun 20 05:56:06 2024 -0400
@@ -0,0 +1,60 @@
+/* comparative benchmark of GNU libunistring */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+/* libunistring */
+#include <unistr.h>
+#include <uninorm.h>
+
+#include "util.h"
+
+int main(int argc, char **argv)
+{
+	 int i;
+	 uninorm_t nf = UNINORM_NFKC;
+
+	 for (i = 1; i < argc; ++i) {
+		  if (!strcmp(argv[i], "-nfkc")) {
+			   nf = UNINORM_NFKC;
+			   continue;
+		  }
+		  if (!strcmp(argv[i], "-nfkd")) {
+			   nf = UNINORM_NFKD;
+			   continue;
+		  }
+		  if (!strcmp(argv[i], "-nfc")) {
+			   nf = UNINORM_NFC;
+			   continue;
+		  }
+		  if (!strcmp(argv[i], "-nfd")) {
+			   nf = UNINORM_NFD;
+			   continue;
+		  }
+		  if (argv[i][0] == '-') {
+			   fprintf(stderr, "unrecognized option: %s\n", argv[i]);
+			   return EXIT_FAILURE;
+		  }
+
+		  size_t len;
+		  uint8_t *src = readfile(argv[i], &len);
+		  if (!src) {
+			   fprintf(stderr, "error reading %s\n", argv[i]);
+			   return EXIT_FAILURE;
+		  }
+
+		  size_t destlen;
+		  uint8_t *dest;
+		  mytime start = gettime();
+		  for (int i = 0; i < 100; ++i) {
+			   dest = u8_normalize(nf, src, len, NULL, &destlen);
+			   if (!dest) return EXIT_FAILURE;
+			   free(dest);
+		  }
+		  printf("%s: %g\n", argv[i], elapsed(gettime(), start) / 100);
+		  free(src);
+	 }
+
+	 return EXIT_SUCCESS;
+}