1 #include "prompt.h" 2 3 void prompt_welcome(void) 4 { 5 printf("%s", "Welcome to matrix-calculator!\n\n"); 6 /* 7 printf("Welcome to matrix-calculator!\n\n1.- Load a matrix's values of dimensions N x M by hand.\n2.- Load a matrix's values with a .txt file.\n3.- Create a random matrix of dimensions N x M.\n\nWhat do you want to do?: "); 8 */ 9 } 10 11 status_t user_input(user_input_t option) 12 { 13 switch (option) { 14 case MAIN_PROMPT: 15 break; 16 17 default: return ERROR_NO_USER_INPUT; 18 } 19 return OK; 20 } 21 22 status_t get_matrix(matrix_t *matrix, matrix_t **matrix_ids) 23 { 24 printf("1.- Load a matrix's values of dimensions N x M by hand.\n2.- Load a matrix's values with a .txt file.\n3.- Create a random matrix of dimensions N x M.\nq - exit\n\nWhat do you want to do?: "); 25 char *buffer; 26 size_t i; 27 28 buffer = (char *)malloc(DIM_BUFFER_MAX_SIZE * sizeof(char)); 29 if(buffer == NULL) return ERROR_ALLOCATING_MEMORY; 30 31 empty_string(buffer, DIM_BUFFER_MAX_SIZE); 32 33 fgets(buffer, DIM_BUFFER_MAX_SIZE, stdin); 34 if(buffer[0] == '\n') { 35 while(buffer[0] == '\n') { 36 printf("%s", "What do you want to do?: "); 37 fgets(buffer, DIM_BUFFER_MAX_SIZE, stdin); 38 } 39 } else if (buffer[0] == 'q') { 40 exit(0); 41 } 42 43 i = strtol(buffer, NULL, 10); 44 if((i < 1) || (i > MAX_MAIN_PROMPT_CMD)) 45 return ERROR_MAX_MAIN_PROMPT_REACHED; 46 47 empty_string(buffer, DIM_BUFFER_MAX_SIZE); 48 49 putchar('\n'); 50 switch(i) { 51 case 1: 52 { 53 /* Enter the matrix Number(1 .. 128, Default 1): */ 54 printf("%s", "Enter the matrix id number (1 .. 128, Default 1): "); 55 56 fgets(buffer, DIM_BUFFER_MAX_SIZE, stdin); 57 if(buffer[0] == '\n') { 58 i = 1; 59 } else { 60 i = strtol(buffer, NULL, 10); 61 } 62 63 /* Now i contains the ID of the created matrix */ 64 matrix->id = i; 65 printf("The id you entered is: %lu\n", matrix->id); 66 67 /* Now we ask for the dimensions of the matrix */ 68 m_load_dim(matrix); 69 70 /* And we create the matrix */ 71 m_create(matrix->rows, matrix->columns, matrix); 72 73 putchar('\n'); 74 m_load(matrix); 75 printf("%s", "The matrix you entered is: \n"); 76 m_print(matrix); 77 putchar('\n'); 78 } 79 } 80 81 free(buffer); 82 return OK; 83 }
