diff options
| -rw-r--r-- | mdk-stage1/stdio-frontend.c | 53 |
1 files changed, 46 insertions, 7 deletions
diff --git a/mdk-stage1/stdio-frontend.c b/mdk-stage1/stdio-frontend.c index 7e3cf9b83..6d6794d06 100644 --- a/mdk-stage1/stdio-frontend.c +++ b/mdk-stage1/stdio-frontend.c @@ -73,10 +73,16 @@ static int get_int_response(void) static char * get_string_response(char * initial_string) { /* I won't use a scanf/%s since I also want the null string to be accepted -- also, I want the initial_string */ - char s[50]; + char s[500]; int i = 0; + char buf[10]; + int b_index = 0; + char b; + struct termios t; - + + memset(s, '\0', sizeof(s)); + if (initial_string) { printf(initial_string); strcpy(s, initial_string); @@ -98,18 +104,52 @@ static char * get_string_response(char * initial_string) fcntl(0, F_SETFL, O_NONBLOCK); while (1) { - if (read(0, &(s[i]), 1) > 0) { - if (s[i] == 13) + if (read(0, &b, 1) > 0) { + if (b_index == 1) { + if (b == 91) { + buf[b_index] = b; + b_index++; + continue; + } + else + b_index = 0; + } + if (b_index == 2) { + if (b == 67) { + if (s[i] != '\0') { + printf("\033[C"); + i++; + } + } + if (b == 68) { + if (i > 0) { + printf("\033[D"); + i--; + } + } + b_index = 0; + continue; + } + + if (b == 13) break; - if (s[i] == 127) { + if (b == 127) { if (i > 0) { printf("\033[D"); printf(" "); printf("\033[D"); + if (s[i] == '\0') + s[i-1] = '\0'; + else + s[i-1] = ' '; i--; } + } else if (b == 27) { + buf[b_index] = b; + b_index++; } else { - printf("%c", s[i]); + printf("%c", b); + s[i] = b; i++; } } @@ -123,7 +163,6 @@ static char * get_string_response(char * initial_string) fcntl(0, F_SETFL, 0); printf("\n"); - s[i] = '\0'; return strdup(s); } |