Simplify mac cond type

Author: julek-wolfssl

wolfcrypt/src/wc_port.c

@@ -3746,7 +3746,7 @@ char* mystrnstr(const char* s1, const char* s2, unsigned int n)
         }
         return BAD_MUTEX_E;
     }
-    #else
+    #else /* __MACH__ */
     /* Apple style dispatch semaphore */
     int wolfSSL_CondInit(COND_TYPE* cond)
     {
@@ -3758,8 +3758,8 @@ char* mystrnstr(const char* s1, const char* s2, unsigned int n)
          * dispatch_semaphore_create().  work around this by initing
          * with 0, then incrementing it afterwards.
          */
-        cond->sem = dispatch_semaphore_create(0);
-        if (cond->sem == NULL)
+        *cond = dispatch_semaphore_create(0);
+        if (*cond == NULL)
             return MEMORY_E;
         return 0;
     }
@@ -3769,8 +3769,8 @@ char* mystrnstr(const char* s1, const char* s2, unsigned int n)
         if (cond == NULL)
             return BAD_FUNC_ARG;
 
-        dispatch_release(cond->sem);
-        cond->sem = NULL;
+        dispatch_release(*cond);
+        *cond = NULL;
         return 0;
     }
 
@@ -3779,7 +3779,7 @@ char* mystrnstr(const char* s1, const char* s2, unsigned int n)
         if (cond == NULL)
             return BAD_FUNC_ARG;
 
-        dispatch_semaphore_signal(cond->sem);
+        dispatch_semaphore_signal(*cond);
         return 0;
     }
 
@@ -3788,7 +3788,7 @@ char* mystrnstr(const char* s1, const char* s2, unsigned int n)
         if (cond == NULL)
             return BAD_FUNC_ARG;
 
-        dispatch_semaphore_wait(cond->sem, DISPATCH_TIME_FOREVER);
+        dispatch_semaphore_wait(*cond, DISPATCH_TIME_FOREVER);
         return 0;
     }
     #endif /* __MACH__ */

wolfssl/wolfcrypt/types.h

@@ -1380,17 +1380,15 @@ typedef struct w64wrapper {
         #define WOLFSSL_THREAD
     #elif (defined(_POSIX_THREADS) || defined(HAVE_PTHREAD)) && \
         !defined(__MINGW32__)
-        #ifdef __MACH__
-            #include <dispatch/dispatch.h>
-            typedef struct COND_TYPE {
-                dispatch_semaphore_t sem;
-            } COND_TYPE;
-        #else
+        #ifndef __MACH__
             #include <pthread.h>
             typedef struct COND_TYPE {
                 pthread_mutex_t mutex;
                 pthread_cond_t cond;
             } COND_TYPE;
+        #else
+            #include <dispatch/dispatch.h>
+            typedef dispatch_semaphore_t COND_TYPE;
         #endif
         typedef void*         THREAD_RETURN;
         typedef pthread_t     THREAD_TYPE;