changes on checkPointer to add message

game_private.c

@@ -7,9 +7,9 @@ int max(int a, int b) {
 	return b;
 }
 
-void checkPointer(void* p) {
+void checkPointer(void* p, char* errMessage) {
 	if (!p) {
-		fprintf(stderr, "Error on given pointer.\n");
+		fprintf(stderr, "%s", errMessage);
 		exit(EXIT_FAILURE);
 	}
 }

game_private.h

@@ -26,6 +26,6 @@ int max(int a, int b);
  *
  * @param p any pointer
  */
-void checkPointer(void* p);
+void checkPointer(void* p, char* errMessage);
 
 #endif

game_solve.c

@@ -13,7 +13,6 @@ void usage() {
 }
 
 int main(int argc, char* argv[]) {
-
 	// check if nb of param is correct
 	if (argc != 3 && argc != 4) {
 		// nb param is not correct
@@ -48,8 +47,8 @@ int main(int argc, char* argv[]) {
 		if (argc == 4) {
 			char* filename = argv[3];
 			FILE* f = fopen(filename, "w");
-			checkPointer((void*)f);
-			test_output(fprintf(f, "%u\n", nbsolutions), 2, "Error in scan of file");
+			checkPointer((void*)f, "Couldn't open file\n");
+			test_output(fprintf(f, "%u\n", nbsolutions), 2, "Error in scan of file\n");
 			fclose(f);
 		}
 	}

game_tools.c

@@ -14,17 +14,17 @@ void test_output(int i, int excepted, char* message) {
 }
 
 game game_load(char* filename) {
-	checkPointer((void*)filename);
+	checkPointer((void*)filename, "NULL pointer filename on game_load\n");
 	// ouvrons le fichier
 	FILE* f = fopen(filename, "r");
-	checkPointer((void*)f);
+	checkPointer((void*)f, "Couldn't open file\n");
 	// récuperer les valeurs dont on a beson pour créer le jeu initail
 	uint nb_rows, nb_cols;
 	int wrapping;
 	test_output(fscanf(f, "%u %u %d\n", &nb_rows, &nb_cols, &wrapping), 3, "Error in scan of file");
 	// créer le jeu initail
 	game g1 = game_new_empty_ext(nb_rows, nb_cols, wrapping);
-	checkPointer((void*)g1);
+	checkPointer((void*)g1, "Couldn't create game\n");
 	// récuperer les coups à jouer
 	for (uint i = 0; i < nb_rows; i++) {
 		for (uint j = 0; j < nb_cols; j++) {
@@ -77,11 +77,11 @@ char get_char_from_state(cgame g, uint i, uint j) {
 }
 
 void game_save(cgame g, char* filename) {
-	checkPointer((void*)filename);
-	checkPointer((void*)g);
+	checkPointer((void*)filename, "NULL pointer filename on game_save\n");
+	checkPointer((void*)g, "NULL pointer game g on game_save\n");
 	// try create or open file named filename
 	FILE* f = fopen(filename, "w");
-	checkPointer((void*)f);
+	checkPointer((void*)f, "Couldn't open file in game_save\n");
 	// try to print the first line (game_nb_rows(g) / 10 + 1 = nb char of a number)
 	test_output(fprintf(f, "%d %d %d\n", game_nb_rows(g), game_nb_cols(g), game_is_wrapping(g)),
 	            NB_CHAR_HEADER_WITHTOUT_DIMENSIONS + game_nb_rows(g) / 10 + 1 + game_nb_cols(g) / 10 + 1, "Couldn't print in file.\n");