int login()
{
int log_flag = 0;
system("clear");
printf("-------------------------------------------\n");
printf("\n");
printf("*******欢迎使用火车票订票系统 0.9版********\n");
printf("\n");
printf("\t请选择\n");
printf("\t\t1 用户登录\n");
printf("\t\t2 新用户注册\n");
printf("\t\t3 管理员登录\n");
printf("\t\t4 退出\n");
printf("\n");
printf("----------------中国铁道部-----------------\n");
printf("---------如有任何疑问请拨12306垂询---------\n");
printf("\n");
scanf("%d",&log_flag);
my_getchar();
while(log_flag>4||log_flag<1)
{
printf("输入错误，请重试。\n");
scanf("%d",&log_flag);
my_getchar();
}
return log_flag;
}
t_bistro *read_input(void)
{
t_bistro *bistro;
if (!(bistro = malloc(sizeof (t_bistro))))
my_puterror(E_THE_WORLD_IS_OVER);
if ((bistro->form = my_getchar() == 51))
read_rpn_op(bistro);
else
read_infix_op(bistro);
if (!(bistro->base = malloc(sizeof (t_base))))
my_puterror(E_THE_WORLD_IS_OVER);
if ((bistro->base->base_len = my_getchar()) < 2)
my_puterror(E_ARITH);
read_base(bistro);
read_expr(bistro);
return bistro;
}
static void read_base(t_bistro *bistro)
{
int i;
if (!(bistro->base->base = malloc(bistro->base->base_len)))
my_puterror(E_THE_WORLD_IS_OVER);
i = 0;
while (i < bistro->base->base_len)
bistro->base->base[i++] = my_getchar();
}
static void read_rpn_op(t_bistro *bistro)
{
bistro->op_emp = my_getchar();
bistro->op_ech = my_getchar();
bistro->op_neg = my_getchar();
bistro->op_add = my_getchar();
bistro->op_sub = my_getchar();
bistro->op_mul = my_getchar();
bistro->op_div = my_getchar();
bistro->op_divent = my_getchar();
bistro->type = EXPR_RPN;
}
/*
* Description: unbuffered single character input.
* Version: 1.0 Date:2014.07.14
* Author: Jasper Li
*/
int main(void)
{
int my_getchar(void);
int c;
while((c=my_getchar()) != EOF)
putchar(c);
return 0;
}
int getword(char * word, int max_len)
{
char * w = word;
while(isspace(*w = my_getchar()))
;
--max_len;
if (!isalpha(*w) && *w != '_')
{
*++w = '\0';
return word[0];
}
for(; (isalnum(*w) || *w == '_') && max_len; --max_len)
*++w = my_getchar();
my_ungetc(*w);
*w = '\0';
return word[0];
}
static void read_infix_op(t_bistro *bistro)
{
bistro->op_grp_beg = my_getchar();
bistro->op_grp_end = my_getchar();
bistro->op_add = my_getchar();
bistro->op_sub = bistro->op_neg = my_getchar();
bistro->op_mul = my_getchar();
bistro->op_div = my_getchar();
bistro->op_divent = my_getchar();
bistro->op_emp = bistro->op_add;
bistro->type = EXPR_INFIX;
}
char *my_putword(char *str, char *base, int *k, t_mytok flag)
{
char *word;
int len;
int i;
i = 0;
len = my_getchar(str, base, k, flag) + 1;
if ((word = malloc(len * sizeof(*word))) == NULL)
return (NULL);
while (check_base(str[*k], base) == (int)flag && str[*k] != '\0')
{
word[i] = str[*k];
++i;
++(*k);
}
word[i] = '\0';
return (word);
}
int main () {
/* IOCTL_TEST STUFF
// attribute structures
struct ioctl_test_t {
int field1;
char field2;
} ioctl_test;
ioctl_test.field1 = 10;
ioctl_test.field2 = 'a';
ioctl (fd, IOCTL_TEST, &ioctl_test);
*/
struct keyboard_struct key;
int fd = open ("/proc/ioctl_test", O_RDONLY);
/* This loops until the system detects that the user has pressed the enter key */
int done = 0;
char letter;
while (!done) {
/* the character is both in key and letter (debugging stuff I dealt with) */
letter = my_getchar(fd, key);
if (letter == '\n') {
printf("\nEntered if statement\n");
done = 1;
}
printf("%c",key.letter);
}
printf("Exiting");
fflush(stdin);
return 0;
}
int main (int argc, char *argv[]) {
char *playlist_filename;
int shuffle = 0;
int random_play = 0;
int repeat = 0;
int slptime = 0;
FILE *playlist_file;
char **playlist;
char *line;
char *ptr;
int volume = 80;
int balance;
int playlist_size;
int argnr;
int current_song = 0;
int songs = 0;
int i,x,j,pid;
#ifdef LCD
lcddev = fopen(LCD_DEV, "w");
if (lcddev == NULL) {
fprintf(stderr, "Open failed for %s\n", LCD_DEV);
return -1;
}
fprintf(lcddev, "\f");
fflush(lcddev);
#else
lcddev = stdout;
#endif
atexit(exit_code);
#ifdef KEYPAD
// keypad = openkeypad(KEYPAD_DEV);
keypad = open(KEYPAD_DEV, O_RDONLY);
if (keypad == -1) {
fprintf(stderr, "Open failed for %s\n",KEYPAD_DEV);
return -1;
}
#else
keypad = 0; // assign stdinput to keypad
savelocaltermios();
setlocaltermios();
#endif
playlist_filename = NULL;
mp3play_options = NULL;
playlist_size = PLAYLIST_SIZE;
i = 0;
if (argc < 2)
usage(0);
// process options
while ((i = getopt(argc, argv, "?hzvZR@:M:s:")) >= 0) {
switch (i) {
case 'z':
shuffle = 1;
break;
case 'Z':
random_play = 1;
break;
case 'R':
repeat = 1;
break;
case 's':
slptime = atoi(optarg);
break;
case '@':
playlist_filename = (char *) malloc(strlen(optarg) + 1);
strcpy(playlist_filename, optarg);
break;
case 'M':
line = (char *) malloc(strlen(optarg) + 1);
strcpy(line, optarg);
mp3play_option_count = strchrcnt(line, ' ') + 1;
mp3play_options = (char **) calloc(mp3play_option_count + 7, sizeof(char *));
mp3play_options[0] = MP3PLAYER;
ptr = line;
for (i = 1; i <= mp3play_option_count; i++) {
mp3play_options[i] = (char *) calloc(1, strlen(line) + 1);
ptr = strtok(ptr, " ");
strcpy(mp3play_options[i], ptr);
ptr = NULL;
}
free(line);
break;
case 'v':
verbose = 1;
break;
case 'h':
case '?':
usage(0);
break;
}
}
argnr = optind;
if (!playlist_filename)
if (argnr >= argc)
usage(1);
if (!mp3play_options) {
mp3play_options = (char **) calloc(4, sizeof(char *));
mp3play_options[0] = MP3PLAYER;
mp3play_option_count = 1;
mp3play_options[mp3play_option_count] = (char *) malloc(strlen("-l") + 1);
strcpy(mp3play_options[mp3play_option_count], "-t");
mp3play_option_count++;
mp3play_options[mp3play_option_count] = (char *) malloc(strlen("0") + 1);
strcpy(mp3play_options[mp3play_option_count], "2");
} else {
mp3play_option_count++;
mp3play_options[mp3play_option_count] = (char *) malloc(strlen("-l") + 1);
strcpy(mp3play_options[mp3play_option_count], "-l");
mp3play_option_count++;
mp3play_options[mp3play_option_count] = (char *) malloc(strlen("0") + 1);
strcpy(mp3play_options[mp3play_option_count], "0");
mp3play_option_count++;
mp3play_options[mp3play_option_count] = (char *) malloc(strlen("-l") + 1);
strcpy(mp3play_options[mp3play_option_count], "-t");
mp3play_option_count++;
mp3play_options[mp3play_option_count] = (char *) malloc(strlen("0") + 1);
strcpy(mp3play_options[mp3play_option_count], "2");
}
srandom(time(NULL));
if (playlist_filename) {
if (verbose)
fprintf(stdout, "Reading Playlist from file:%s\n", playlist_filename);
playlist_file = fopen(playlist_filename, "r");
if (playlist_file == NULL) {
fprintf(stderr, "Open failed for playlist file:%s\n", playlist_filename);
return -1;
}
playlist = (char **) calloc(playlist_size, sizeof(char *));
line = (char *) calloc(1, MAX_LINE + 1);
if (verbose)
fprintf(stdout, "Playlist entries:\n");
while(line != NULL) {
if (songs >= playlist_size) {
playlist_size += PLAYLIST_SIZE;
playlist = (char **) realloc(playlist, playlist_size * sizeof(char *));
}
line = fgets(line, MAX_LINE, playlist_file);
if (*line != '\0') {
playlist[songs] = (char *) calloc(1, strlen(line) + 1);
line = strtok(line, "\n");
playlist[songs] = strcpy(playlist[songs], line);
if (verbose)
fprintf(stdout, "[%d] - %s\n",songs, playlist[songs]);
songs++;
}
}
free(line);
songs--;
} else {
playlist = (char **) calloc(argc, sizeof(char *));
for (i = 0; i < (argc - argnr) ; i++) {
playlist[i] = (char *) malloc(strlen(argv[i + argnr]) + 1);
playlist[i] = strcpy(playlist[i], argv[i + argnr]);
}
songs = i - 1;
}
if (shuffle) {
if (verbose)
fprintf(stdout, "Shuffling.....\n");
for (x = 0; (x < 10000); x++) {
i = ((unsigned int) random()) % songs;
j = ((unsigned int) random()) % songs;
line = playlist[i];
playlist[i] = playlist[j];
playlist[j] = line;
}
}
if (verbose)
fprintf(stdout, "Init complete - %d songs in playlist\n", songs + 1);
// main menu loop
current_song = 0;
pid = 1;
#ifdef KEYPAD
for (;;) {
#else
while (input != QUIT) {
#endif
input = my_getchar(keypad);
while ((pid = waitpid(-1, NULL, WNOHANG)) > 0) {
if (pid == mp3playpid) {
if (verbose)
fprintf(stdout, "mp3play child died\n");
if (lcddev) {
fprintf(lcddev, "\f");
fflush(lcddev);
}
} else {
if (verbose)
fprintf(stdout, "another child died\n");
}
}
#ifndef KEYPAD
if (input == 0x1b) {
input = my_getchar(keypad);
input = my_getchar(keypad);
}
#endif
switch (input) {
case UP:
volume+=10;
if (volume > 100) {
volume = 100;
} else {
set_volume(volume);
printtitle(playlist[current_song]);
}
input = 'c';
break;
case DOWN:
volume-=10;
if (volume < 0) {
volume = 0;
break;
} else {
set_volume(volume);
printtitle(playlist[current_song]);
}
input = 'c';
break;
case RIGHT :
if (slptime)
sleep(slptime);
if (random_play) {
current_song = ((unsigned int) random()) % songs;
if (verbose)
fprintf(stdout, "[Random Song] - %d\n",current_song);
} else {
current_song++;
if (verbose)
fprintf(stdout, "[Next song]\n");
}
if (current_song > songs) {
if (repeat) {
current_song = 0;
play(playlist[current_song]);
} else {
current_song--;
}
} else
play(playlist[current_song]);
input = 'c';
break;
case SELECT :
if (verbose)
fprintf(stdout, "[Play]\n");
play(playlist[current_song]);
input = 'c';
break;
case LEFT :
if (random_play) {
current_song = ((unsigned int) random()) % songs;
if (verbose)
fprintf(stdout, "[Random Song] - %d\n",current_song);
} else {
current_song--;
if (verbose)
fprintf(stdout, "[Prev song]\n");
}
if (current_song < 0) {
current_song = 0;
} else
play(playlist[current_song]);
input = 'c';
break;
case EXIT :
if (verbose)
fprintf(stdout, "[Stop]\n");
play(NULL);
input = 'c';
break;
default :
break;
}
}
play(NULL);
}
/****************************************************************************/
int exec_command(char **argv) {
int i = 0;
int pid;
if (verbose) {
fprintf(stdout, "executing: ");
for (i = 0; argv[i] != NULL; i++) {
fprintf(stdout, "%s ",argv[i]);
}
fprintf(stdout, "\n");
}
pid = vfork();
if(pid == 0) {
// close(0);
// close(1);
// close(2);
execvp(argv[0], argv);
_exit(0);
}
return pid;
}
