also fixed a different buffer

Author: badasahog

src/fread.c

@@ -2530,18 +2530,18 @@ int freadMain(freadMainArgs _args) {
                 // Can't print because we're likely not master. So accumulate message and print afterwards.
                 if (thisType < joldType) {   // thisType<0 (type-exception)
                   if (verbose) {
-                    char temp[1001];
-                    int len = snprintf(temp, 1000,
+                    char buffer[250];
+                    int len = snprintf(buffer, sizeof(buffer),
                       _("Column %d%s%.*s%s bumped from '%s' to '%s' due to <<%.*s>> on row %"PRId64"\n"),
                       j+1, colNames?" <<":"", colNames?(colNames[j].len):0, colNames?(colNamesAnchor+colNames[j].off):"", colNames?">>":"",
                       typeName[IGNORE_BUMP(joldType)], typeName[IGNORE_BUMP(thisType)],
                       (int)(tch-fieldStart), fieldStart, (int64_t)(ctx.DTi+myNrow));
-                    if (len > 1000) len = 1000;
-                    if (len > 0) {
-                      typeBumpMsg = realloc(typeBumpMsg, typeBumpMsgSize + len + 1);
-                      strcpy(typeBumpMsg+typeBumpMsgSize, temp);
-                      typeBumpMsgSize += len;
-                    }
+
+                    len = min(len, sizeof(buffer));
+
+                    typeBumpMsg = realloc(typeBumpMsg, typeBumpMsgSize + len + 1);
+                    strcpy(typeBumpMsg+typeBumpMsgSize, buffer);
+                    typeBumpMsgSize += len;
                   }
                   nTypeBump++;
                   if (joldType>0) nTypeBumpCols++;