Reduce warning threshold for removing warnings caused by certain strings containing spaces.

Author: plusvic

libyara/include/yara/limits.h

@@ -77,7 +77,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 // specify the threshold when calling yr_compiler_set_atom_quality_table
 #ifndef YR_ATOM_QUALITY_WARNING_THRESHOLD
 #define YR_ATOM_QUALITY_WARNING_THRESHOLD \
-    (YR_MAX_ATOM_QUALITY -  2 * YR_MAX_ATOM_LENGTH + 4)
+    (YR_MAX_ATOM_QUALITY - 2 * YR_MAX_ATOM_LENGTH + 3)
 #endif
 
 

tests/test-rules.c

@@ -1969,6 +1969,11 @@ void test_performance_warnings()
         strings: $a = { 01 02 03 } \
         condition: $a }")
 
+  assert_no_warnings(
+       "rule test { \
+        strings: $a = { 20 01 02 } \
+        condition: $a }")
+
   assert_no_warnings(
        "rule test { \
         strings: $a = { 01 02 } \