diff options
Diffstat (limited to 'editors')
| -rw-r--r-- | editors/vi.c | 36 |
1 files changed, 13 insertions, 23 deletions
diff --git a/editors/vi.c b/editors/vi.c index afbddc2..f7f8480 100644 --- a/editors/vi.c +++ b/editors/vi.c @@ -237,7 +237,8 @@ static char *yank_delete(char *, char *, int, int); // yank text[] into register static void show_help(void); // display some help info static void rawmode(void); // set "raw" mode on tty static void cookmode(void); // return to "cooked" mode on tty -static int mysleep(int); // sleep for 'h' 1/100 seconds +// sleep for 'h' 1/100 seconds, return 1/0 if stdin is (ready for read)/(not ready) +static int mysleep(int); static char readit(void); // read (maybe cursor) key from stdin static char get_one_char(void); // read 1 char from stdin static int file_size(const char *); // what is the byte size of "fn" @@ -2134,17 +2135,11 @@ static void catch_sig(int sig) static int mysleep(int hund) // sleep for 'h' 1/100 seconds { - fd_set rfds; - struct timeval tv; + struct pollfd pfd[1]; - // Don't hang- Wait 5/100 seconds- 1 Sec= 1000000 - fflush(stdout); - FD_ZERO(&rfds); - FD_SET(0, &rfds); - tv.tv_sec = 0; - tv.tv_usec = hund * 10000; - select(1, &rfds, NULL, NULL, &tv); - return FD_ISSET(0, &rfds); + pfd[0].fd = 0; + pfd[0].events = POLLIN; + return poll(pfd, 1, hund*10) > 0; } #define readbuffer bb_common_bufsiz1 @@ -2217,25 +2212,20 @@ static char readit(void) // read (maybe cursor) key from stdin if (n <= 0) return 0; // error if (readbuffer[0] == 27) { - fd_set rfds; - struct timeval tv; - // This is an ESC char. Is this Esc sequence? // Could be bare Esc key. See if there are any // more chars to read after the ESC. This would // be a Function or Cursor Key sequence. - FD_ZERO(&rfds); - FD_SET(0, &rfds); - tv.tv_sec = 0; - tv.tv_usec = 50000; // Wait 5/100 seconds- 1 Sec=1000000 - + struct pollfd pfd[1]; + pfd[0].fd = 0; + pfd[0].events = POLLIN; + // Wait 50 ms // keep reading while there are input chars and room in buffer - while (select(1, &rfds, NULL, NULL, &tv) > 0 && n <= (MAX_LINELEN - 5)) { + while (poll(pfd, 1, 50) > 0 && n <= (MAX_LINELEN - 5)) { // read the rest of the ESC string - int r = read(0, (void *) (readbuffer + n), MAX_LINELEN - n); - if (r > 0) { + int r = read(0, readbuffer + n, MAX_LINELEN - n); + if (r > 0) n += r; - } } } readed_for_parse = n; |