add unit tests for scan_ldap*

add return 0 to unit tests for scan_asn1*

scan_ldapstring.c

@@ -3,3 +3,24 @@
 size_t scan_ldapstring(const char* src,const char* max,struct string* s) {
   return scan_asn1STRING(src,max,&s->s,&s->l);
 }
+
+#ifdef UNITTEST
+#include <assert.h>
+
+#undef UNITTEST
+#include "scan_asn1STRING.c"
+#include "scan_asn1tag.c"
+#include "scan_asn1tagint.c"
+#include "scan_asn1length.c"
+#include "scan_asn1string.c"
+
+/* scan_asn1string already has 100% coverage */
+
+int main() {
+  static char buf[]="\x04\x05""fnord";
+  struct string s = { 0 };
+  assert(scan_ldapstring(buf,buf+7,&s)==7 && s.l==5 && s.s==buf+2);
+  // we only care for 100% coverage of this file, the others have their own unit tests */
+  return 0;
+}
+#endif