Fix multiple empty strings

Author: joente

include/siri/version.h

@@ -6,7 +6,7 @@
 
 #define SIRIDB_VERSION_MAJOR 2
 #define SIRIDB_VERSION_MINOR 0
-#define SIRIDB_VERSION_PATCH 51
+#define SIRIDB_VERSION_PATCH 52
 
 /*
  * Use SIRIDB_VERSION_PRE_RELEASE for alpha release versions.
@@ -15,7 +15,7 @@
  * Note that debian alpha packages should use versions like this:
  *   2.0.34-0alpha0
  */
-#define SIRIDB_VERSION_PRE_RELEASE ""
+#define SIRIDB_VERSION_PRE_RELEASE "-alpha-0"
 
 #ifndef NDEBUG
 #define SIRIDB_VERSION_BUILD_RELEASE "+debug"

src/siri/db/points.c

@@ -1118,7 +1118,6 @@ static int POINTS_unpack_string(
         {
             /* literal */
             size_t len = (is_ascii) ? 0 : POINTS_dec_len(&pt);
-
             do
             {
                 *buf = *pt;
@@ -1228,12 +1227,6 @@ int siridb_points_unzip_string(
     memcpy(&point->ts, pt, sizeof(uint64_t));
     pt += sizeof(uint64_t);
 
-    buf = malloc(src_sz);
-    if (buf == NULL)
-    {
-        return -1;
-    }
-
     for (mask = 0; tshift-- > tcount; ++pt)
     {
         mask |= ((uint64_t) *pt) << (tshift * 8);
@@ -1265,6 +1258,12 @@ int siridb_points_unzip_string(
 
     n -= i;
 
+    buf = malloc(src_sz + n);
+    if (buf == NULL)
+    {
+        return -1;
+    }
+
     if (POINTS_unpack_string(
             points->data + points->len, n, i, bits + offset, buf))
     {