3 files changed, 35 insertions, 15 deletions
diff --git a/src/common/dumb_ptr.hpp b/src/common/dumb_ptr.hpp
index d0b35f2..91293c6 100644
--- a/src/common/dumb_ptr.hpp
+++ b/src/common/dumb_ptr.hpp
@@ -21,6 +21,8 @@
 
 #include "sanity.hpp"
 
+#include <algorithm>
+
 // unmanaged new/delete-able pointer
 // should be replaced by std::unique_ptr<T>
 template<class T>
@@ -64,11 +66,11 @@ public:
     }
 
     explicit
-    operator bool()
+    operator bool() const
     {
         return impl;
     }
-    bool operator !()
+    bool operator !() const
     {
         return !impl;
     }
@@ -95,12 +97,12 @@ public:
     }
     void new_(size_t z)
     {
-        impl = new T[z];
+        impl = new T[z]();
     }
     static
     dumb_ptr<T[]> make(size_t z)
     {
-        return dumb_ptr<T[]>(new T[z], z);
+        return dumb_ptr<T[]>(new T[z](), z);
     }
     void forget()
     {
@@ -108,17 +110,35 @@ public:
         sz = 0;
     }
 
+    size_t size() const
+    {
+        return sz;
+    }
+    void resize(size_t z)
+    {
+        if (z == sz)
+            return;
+        T *np = new T[z]();
+        // not exception-safe, but we don't have a dtor anyway
+        size_t i = std::min(z, sz);
+        while (i-->0)
+            np[i] = std::move(impl[i]);
+        delete[] impl;
+        impl = np;
+        sz = z;
+    }
+
     T& operator[](size_t i) const
     {
         return impl[i];
     }
 
     explicit
-    operator bool()
+    operator bool() const
     {
         return impl;
     }
-    bool operator !()
+    bool operator !() const
     {
         return !impl;
     }
diff --git a/src/common/utils.cpp b/src/common/utils.cpp
index 49dce34..e3867eb 100644
--- a/src/common/utils.cpp
+++ b/src/common/utils.cpp
@@ -125,7 +125,7 @@ bool split_key_value(const std::string& line, std::string *w1, std::string *w2)
 static_assert(sizeof(timestamp_seconds_buffer) == 20, "seconds buffer");
 static_assert(sizeof(timestamp_milliseconds_buffer) == 24, "millis buffer");
 
-void stamp_time(timestamp_seconds_buffer& out, TimeT *t)
+void stamp_time(timestamp_seconds_buffer& out, const TimeT *t)
 {
     struct tm when = t ? *t : TimeT::now();
     strftime(out, 20, "%Y-%m-%d %H:%M:%S", &when);
diff --git a/src/common/utils.hpp b/src/common/utils.hpp
index 33117ac..f2a2117 100644
--- a/src/common/utils.hpp
+++ b/src/common/utils.hpp
@@ -73,17 +73,17 @@ struct TimeT : Comparable
     // conversion
     TimeT(time_t t=0) : value(t) {}
     TimeT(struct tm t) : value(timegm(&t)) {}
-    operator time_t() { return value; }
-    operator struct tm() { time_t v = value; return *gmtime(&v); }
+    operator time_t() const { return value; }
+    operator struct tm() const { time_t v = value; return *gmtime(&v); }
 
-    explicit operator bool() { return value; }
-    bool operator !() { return !value; }
+    explicit operator bool() const { return value; }
+    bool operator !() const { return !value; }
 
     // prevent surprises
     template<class T>
     TimeT(T) = delete;
     template<class T>
-    operator T() = delete;
+    operator T() const = delete;
 
     static
     TimeT now()
@@ -92,11 +92,11 @@ struct TimeT : Comparable
         return time(NULL);
     }
 
-    bool error()
+    bool error() const
     {
         return value == -1;
     }
-    bool okay()
+    bool okay() const
     {
         return !error();
     }
@@ -116,7 +116,7 @@ long long& convert_for_scanf(TimeT& t)
 
 typedef char timestamp_seconds_buffer[20];
 typedef char timestamp_milliseconds_buffer[24];
-void stamp_time(timestamp_seconds_buffer&, TimeT *t=nullptr);
+void stamp_time(timestamp_seconds_buffer&, const TimeT *t=nullptr);
 void stamp_time(timestamp_milliseconds_buffer&);
 
 void log_with_timestamp(FILE *out, const_string line);