da.h

@@ -18,6 +18,7 @@ enum daFields {
                                        
 typedef void * dynarr;
 GenericReturn _daCreate(size_t initCapacity, size_t type, size_t size);
+GenericReturn _daPush(dynarr * da, void * item);
 GenericReturn _daPushLit(dynarr * da, size_t item);
 GenericReturn _daPushStr(dynarr * da, const char * str);
 GenericReturn daCopy(dynarr da);
@@ -42,10 +43,9 @@ void daBzero(dynarr da);
 
 #define dynarr(type) type *
 #define daCreate(type, cap) _daCreate(cap, sizeof(type), 0)
-#define daPush(da, item) _Generic((item), \
-            char *: _daPushStr,           \
-            default: _daPushLit           \
-        )((void *)&da, item)
+#define daPush(da, item) _daPush((void *)&da, &item)
+#define daPushLit(da, item) _daPushLit((void *)&da, item)
+#define daPushStr(da, str) _daPushStr((void *)&da, str)
 #define daPop(da, item) _daPop(da, &item)
 
 #endif // DA_H_

example.c

@@ -1,3 +1,5 @@
+#include <stdio.h>
+
 #define DA_IMPLEMENTATION
 #include "da.h"
 
@@ -47,13 +49,13 @@ int main(void)
 
     dynarr(unsigned short) da = resultGeneric(dynarr(unsigned short), gr);
 
-    daPush(da, 69);
-    daPush(da, 420);
-    daPush(da, 1337);
-    daPush(da, 34);
-    daPush(da, 35);
+    daPushLit(da, 69);
+    daPushLit(da, 420);
+    daPushLit(da, 1337);
+    daPushLit(da, 34);
+    daPushLit(da, 35);
 
-    daPush(da, 1667);
+    daPushLit(da, 1667);
 
     unsigned short x = 0;
 
@@ -70,14 +72,14 @@ int main(void)
 
     dynarr(char) da2 = daCreate(char, 1).val;
 
-    daPush(da2, 'H');
-    daPush(da2, 'i');
-    daPush(da2, ' ');
-    daPush(da2, 'm');
-    daPush(da2, 'o');
-    daPush(da2, 'm');
-    daPush(da2, '?');
-    daPush(da2, '?');
+    daPushLit(da2, 'H');
+    daPushLit(da2, 'i');
+    daPushLit(da2, ' ');
+    daPushLit(da2, 'm');
+    daPushLit(da2, 'o');
+    daPushLit(da2, 'm');
+    daPushLit(da2, '?');
+    daPushLit(da2, '?');
 
     *(char *)daGetRef(da2, 6) = '!';
 
@@ -94,7 +96,7 @@ int main(void)
     dynarr(char *) da3 = daCreate(char *, 1).val;
 
     for (size_t i = 0; i < 1000000; ++i) {
-        daPush(da3, "Test");
+        daPushStr(da3, "Test");
     }
 
     char * str;