modified the crash

deg2dms.h

@@ -9,7 +9,7 @@ typedef struct
     double D;
     double M;
     double S;    
-}deg2dms, *pdeg2dms;
+}deg2dms;
 
 /* -------------------------------------------------------------------------- */
 /// @brief 将十进制的度数转换为度分秒形式
@@ -17,16 +17,15 @@ typedef struct
 /// @param D 要转换度数
 /// @return 返回自定义结构体包含度，分，秒成员                      
 /* -------------------------------------------------------------------------- */
-pdeg2dms DEG2DMS(pdeg2dms deg2dms,
-                 double D)
+deg2dms DEG2DMS(deg2dms deg2dms,
+                double D)
 {
-    deg2dms = (pdeg2dms)malloc(sizeof(pdeg2dms));
     int sig = D / fabs(D);//符号判断
-    deg2dms->D = (int)(D);//转换为度分秒
-    deg2dms->M = (int)((D - deg2dms->D) * 60);//分秒去除符号格式
-    deg2dms->S = (int)(((D - deg2dms->D) * 60 - deg2dms->M) * 60);
-    deg2dms->M  = deg2dms->M * sig;
-    deg2dms->S  = deg2dms->S * sig;
+    deg2dms.D = (int)(D);//转换为度分秒
+    deg2dms.M = (int)((D - deg2dms.D) * 60);//分秒去除符号格式
+    deg2dms.S = (int)(((D - deg2dms.D) * 60 - deg2dms.M) * 60);
+    deg2dms.M  = deg2dms.M * sig;
+    deg2dms.S  = deg2dms.S * sig;
 
     return deg2dms;
 }