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Fix compiles on GCC 3.3, which doesn't know about assert(0);
[u/mdw/putty]
/
unix
/
uxpty.c
diff --git
a/unix/uxpty.c
b/unix/uxpty.c
index
50e5371
..
f79b974
100644
(file)
--- a/
unix/uxpty.c
+++ b/
unix/uxpty.c
@@
-275,8
+275,10
@@
static void fatal_sig_handler(int signum)
static int pty_open_slave(Pty pty)
{
static int pty_open_slave(Pty pty)
{
- if (pty->slave_fd < 0)
+ if (pty->slave_fd < 0)
{
pty->slave_fd = open(pty->name, O_RDWR);
pty->slave_fd = open(pty->name, O_RDWR);
+ cloexec(pty->slave_fd);
+ }
return pty->slave_fd;
}
return pty->slave_fd;
}
@@
-307,6
+309,8
@@
static void pty_open_master(Pty pty)
strcpy(pty->name, master_name);
pty->name[5] = 't'; /* /dev/ptyXX -> /dev/ttyXX */
strcpy(pty->name, master_name);
pty->name[5] = 't'; /* /dev/ptyXX -> /dev/ttyXX */
+ cloexec(pty->master_fd);
+
if (pty_open_slave(pty) >= 0 &&
access(pty->name, R_OK | W_OK) == 0)
goto got_one;
if (pty_open_slave(pty) >= 0 &&
access(pty->name, R_OK | W_OK) == 0)
goto got_one;
@@
-346,6
+350,8
@@
static void pty_open_master(Pty pty)
exit(1);
}
exit(1);
}
+ cloexec(pty->master_fd);
+
pty->name[FILENAME_MAX-1] = '\0';
strncpy(pty->name, ptsname(pty->master_fd), FILENAME_MAX-1);
#endif
pty->name[FILENAME_MAX-1] = '\0';
strncpy(pty->name, ptsname(pty->master_fd), FILENAME_MAX-1);
#endif
@@
-408,6
+414,8
@@
void pty_pre_init(void)
perror("pterm: pipe");
exit(1);
}
perror("pterm: pipe");
exit(1);
}
+ cloexec(pipefd[0]);
+ cloexec(pipefd[1]);
pid = fork();
if (pid < 0) {
perror("pterm: fork");
pid = fork();
if (pid < 0) {
perror("pterm: fork");
@@
-749,7
+757,6
@@
static const char *pty_init(void *frontend, void **backend_handle, Config *cfg,
}
if (pid == 0) {
}
if (pid == 0) {
- int i;
/*
* We are the child.
*/
/*
* We are the child.
*/
@@
-765,6
+772,7
@@
static const char *pty_init(void *frontend, void **backend_handle, Config *cfg,
dup2(slavefd, 0);
dup2(slavefd, 1);
dup2(slavefd, 2);
dup2(slavefd, 0);
dup2(slavefd, 1);
dup2(slavefd, 2);
+ close(slavefd);
setsid();
#ifdef TIOCSCTTY
ioctl(slavefd, TIOCSCTTY, 1);
setsid();
#ifdef TIOCSCTTY
ioctl(slavefd, TIOCSCTTY, 1);
@@
-774,9
+782,6
@@
static const char *pty_init(void *frontend, void **backend_handle, Config *cfg,
setpgid(pgrp, pgrp);
close(open(pty->name, O_WRONLY, 0));
setpgid(pgrp, pgrp);
setpgid(pgrp, pgrp);
close(open(pty->name, O_WRONLY, 0));
setpgid(pgrp, pgrp);
- /* Close everything _else_, for tidiness. */
- for (i = 3; i < 1024; i++)
- close(i);
{
char *term_env_var = dupprintf("TERM=%s", cfg->termtype);
putenv(term_env_var);
{
char *term_env_var = dupprintf("TERM=%s", cfg->termtype);
putenv(term_env_var);
@@
-857,9
+862,13
@@
static const char *pty_init(void *frontend, void **backend_handle, Config *cfg,
add234(ptys_by_pid, pty);
}
add234(ptys_by_pid, pty);
}
- if (pty_signal_pipe[0] < 0 && pipe(pty_signal_pipe) < 0) {
- perror("pipe");
- exit(1);
+ if (pty_signal_pipe[0] < 0) {
+ if (pipe(pty_signal_pipe) < 0) {
+ perror("pipe");
+ exit(1);
+ }
+ cloexec(pty_signal_pipe[0]);
+ cloexec(pty_signal_pipe[1]);
}
pty_uxsel_setup(pty);
}
pty_uxsel_setup(pty);