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Make scriptreplay set terminal to raw mode

This commit is contained in:
SOUMENDRA GANGULY 2020-07-10 06:16:03 -05:00 committed by Karel Zak
parent 6e7fb6c49a
commit edb088ffbe
1 changed files with 26 additions and 0 deletions
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26
term-utils/scriptreplay.c
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@ -28,6 +28,7 @@
#include <unistd.h>
#include <getopt.h>
#include <sys/time.h>
#include <termios.h>
#include "c.h"
#include "xalloc.h"
@ -120,12 +121,30 @@ static void appendchr(char *buf, size_t bufsz, int c)
buf[sz] = c;
}
static int termraw(struct termios *backup)
{
struct termios tattr;
if (tcgetattr(STDOUT_FILENO, backup) != 0)
return -1;
tattr = *backup;
cfmakeraw(&tattr);
if (tcsetattr(STDOUT_FILENO, TCSANOW, &tattr) != 0)
return -1;
return 0;
}
int
main(int argc, char *argv[])
{
static const struct timeval mindelay = { .tv_sec = 0, .tv_usec = 100 };
struct timeval maxdelay;
char isterm;
struct termios saved;
struct replay_setup *setup = NULL;
struct replay_step *step = NULL;
char streams[6] = {0}; /* IOSI - in, out, signal,info */
@ -286,6 +305,10 @@ main(int argc, char *argv[])
replay_set_delay_max(setup, &maxdelay);
replay_set_delay_min(setup, &mindelay);
isterm = isatty(STDOUT_FILENO);
if (isterm && termraw(&saved) != 0)
err(EXIT_FAILURE, _("failed to set terminal to raw mode"));
do {
rc = replay_get_next_step(setup, streams, &step);
if (rc)
@ -300,6 +323,9 @@ main(int argc, char *argv[])
rc = replay_emit_step_data(setup, step, STDOUT_FILENO);
} while (rc == 0);
if (isterm)
tcsetattr(STDOUT_FILENO, TCSADRAIN, &saved);
if (step && rc < 0)
err(EXIT_FAILURE, _("%s: log file error"), replay_step_get_filename(step));
else if (rc < 0)