Add M_BOOL_OPLIST

README.md

@@ -599,6 +599,7 @@ Example:
 
 My type is:
 
+* a C boolean: M\_BOOL\_OPLIST (M\_DEFAULT\_OPLIST also works)
 * a C integer or a C float: M\_DEFAULT\_OPLIST (it can also be ommited),
 * a pointer to something: M\_PTR\_OPLIST,
 * a plain structure that can be init/copy/compare with memset/memcpy/memcmp: M\_POD\_OPLIST,
@@ -5519,6 +5520,10 @@ than a 'size\_t'.
 
 Return the associated method to the given operator within the given oplist.
 
+##### M\_BOOL\_OPLIST
+
+Default oplist for C standard boolean.
+
 ##### M\_DEFAULT\_OPLIST
 
 Default oplist for C standard types (int & float)

m-core.h

@@ -2276,6 +2276,8 @@ m_core_hash (const void *str, size_t length)
 #define M_SUB_DEFAULT(a,b,c)    ((a) = (b) - (c))
 #define M_MUL_DEFAULT(a,b,c)    ((a) = (b) * (c))
 #define M_DIV_DEFAULT(a,b,c)    ((a) = (b) / (c))
+#define M_AND_DEFAULT(a,b,c)    ((a) = (b) & (c))
+#define M_OR_DEFAULT(a,b,c)    ((a) = (b) | (c))
 #define M_NO_EXT_ALGO(n,co,to)
 #define M_INC_ALLOC_DEFAULT(n)   (M_MAX(8, (n))*2)
 
@@ -2367,6 +2369,14 @@ m_core_hash (const void *str, size_t length)
    HASH(M_HASH_DEFAULT), SWAP(M_SWAP_DEFAULT)                         )
 #endif
 
+/* Specialized oplist for a boolean.
+ * M_DEFAULT_OPLIST is nearly ok, except for ADD/SUB/MUL/DIV
+ * that generates warnings with boolean.
+ */
+#define M_BOOL_OPLIST                                                     \
+  M_OPEXTEND(M_DEFAULT_OPLIST, ADD(M_OR_DEFAULT), MUL(M_AND_DEFAULT),     \
+              SUB(0), DIV(0))
+
 /* Default oplist for standard types of pointers.
  */
 #define M_PTR_OPLIST                                                    \