Modify some mistakes

cal_mod.h

@@ -142,6 +142,12 @@
             fprintf(result_file, "\n>%04d %04d %02d %02d %02d %02d %07.04f",i + 1 ,obs_e[i].y ,obs_e[i].m ,obs_e[i].d ,obs_e[i].h ,obs_e[i].min ,obs_e[i].sec);
             fclose(result_file);
 
+            blh = (pblh)malloc(sizeof(pblh) * o_epochnum * 256);
+			enu = (penu)malloc(sizeof(penu) * o_epochnum * 256);
+			rah = (prah)malloc(sizeof(prah) * o_epochnum * 256);
+			pos_t = (ppos_t)malloc(sizeof(ppos_t) * o_epochnum * 256);
+			station = (pstation)malloc(sizeof(pstation) * o_epochnum *256);
+
             for (int j = 0; j < obs_e[i].gps_num; j++)//第j颗GPS卫星
             {
                 int y = obs_e[i].y; int m = obs_e[i].m; int d = obs_e[i].d; 
@@ -234,7 +240,13 @@
                     fclose(result_file);
                 }
             }       
-        
+            //释放指针内存
+            free(blh);pblh blh = NULL;
+            free(enu);penu enu = NULL;
+            free(rah);prah rah = NULL;
+            free(pos_t);ppos_t pos_t = NULL;
+            free(station);pstation station = NULL;
+
             result_file = fopen(".\\Observation_Station_Site-Solving_by_Matlab\\LLA_result_for_Matlab.txt", "a+");
             fprintf(result_file, "\n");
             fclose(result_file);

main.c

@@ -36,13 +36,13 @@ while(over == 0)
 		char obs_flie[20];
 		char nav_file[20];
 
-		printf("**************SPP-pseudorange-positioning**************\n");
+		printf("**************SPP-pseudorange-positioning***************************\n");
 		printf("**@Author: KenanZhu\n**@Date: 2024/09/21\n**@Make by: C\n");
 		printf("**@INTRO: The main functions of the software include:\n");
 		printf("**read RINEX3.04 files, and output three formats of document files,\n");
 		printf("**please cooperate with the corresponding tools for processing.\n");
 		printf("**Specific please see:\n https://github.com/KenanZhu111/SPP_-pseudorange-positioning\n");
-		printf("*******************************************************\n\n");
+		printf("********************************************************************\n\n");
 
 		printf("请选择您的语言:/Please choose your language\n(1)ENG/(0)中文\n");	
 		scanf("%d",&langop);
@@ -79,11 +79,11 @@ while(over == 0)
 			}
 			fclose(fp_obs);//关闭O文件
 
-		if (langop == 0)
+		if (langop == 0 && fp_obs != NULL)
 		{	printf("观测文件读取完成！\n");
 			printf("请输入导航文件的文件名（包含拓展名）：\n");
 			scanf("%s", &nav_file);}
-		if (langop == 1)
+		if (langop == 1 && fp_obs != NULL)
 		{	printf("This program only supports reading ver3.04 RINEX files\n");
 			printf("Please enter the file name (including the extension) of the Navigation data file.:\n");
 			scanf("%s", &nav_file);}			
@@ -119,15 +119,8 @@ while(over == 0)
 
 /* -------------------------------------------------------------------------- */
 		if (fp_obs != NULL && fp_nav != NULL)
-		{
+		{			
-			blh = (pblh)malloc(sizeof(pblh) * o_epochnum *256);
+			over = sat_gps_pos_clac(result_file, nav_b, obs_e, obs_b, obs_h, station, pos_t, blh, enu, rah, o_epochnum, gps_satnum);			
-			enu = (penu)malloc(sizeof(penu) * o_epochnum *256);
-			rah = (prah)malloc(sizeof(prah) * o_epochnum *256);
-			pos_t = (ppos_t)malloc(sizeof(ppos_t) * o_epochnum * 256);
-			station = (pstation)malloc(sizeof(pstation) * o_epochnum * 256);
-			
-			over = sat_gps_pos_clac(result_file, nav_b, obs_e, obs_b, obs_h, station, pos_t, blh, enu, rah, o_epochnum, gps_satnum);
-			
 		}
 /* -------------------------------------------------------------------------- */
 		if (langop == 0)