add unurl test (rename "foo%20bar" to "foo bar")

.cvsignore

@@ -3,3 +3,4 @@ haveip6.h
 haven2i.h
 havesl.h
 haveinline.h
+unurl

test/unurl.c

@@ -0,0 +1,32 @@
+#include <string.h>
+#include "buffer.h"
+#include "textcode.h"
+
+void unurl(const char* s) {
+  char* buf;
+  unsigned int len;
+  buf=alloca(strlen(s)+1);
+  if (s[scan_urlencoded(s,buf,&len)]) {
+    buffer_putsflush(buffer_2,"parse error!\n");
+    return;
+  }
+  buf[len]=0;
+  if (strcmp(s,buf)) {
+    buffer_puts(buffer_1,"renaming \"");
+    buffer_puts(buffer_1,s);
+    buffer_puts(buffer_1,"\" to \"");
+    buffer_puts(buffer_1,buf);
+    buffer_putsflush(buffer_1,"\"...");
+    if (rename(s,buf)==-1)
+      buffer_putsflush(buffer_1," failed!\n");
+    else
+      buffer_putsflush(buffer_1,"\n");
+  }
+}
+
+main(int argc,char* argv[]) {
+  int i;
+  for (i=1; i<argc; ++i)
+    unurl(argv[i]);
+  return 0;
+}