File ksh93-builtin.dif of Package ksh
--- src/cmd/builtin/pty.c
+++ src/cmd/builtin/pty.c 2013-02-01 15:59:52.697952156 +0000
@@ -216,13 +216,19 @@ mkpty(int* master, int* slave)
#if !_lib_openpty
char* sname;
#endif
+#ifdef __linux__
+ sigset_t blckttou, oldset;
+ (void)sigemptyset(&blckttou);
+ (void)sigaddset(&blckttou, SIGTTOU);
+ sigprocmask(SIG_BLOCK, &blckttou, &oldset);
+#endif
/*
* some systems hang hard during the handshake
* if you know why then please let us know
*/
- alarm(4);
- if (tcgetattr(STDERR_FILENO, &tty) >= 0)
+ alarm(6);
+ if (tcgetattr(sffileno(sfstderr), &tty) >= 0)
ttyp = &tty;
else
{
@@ -230,7 +236,7 @@ mkpty(int* master, int* slave)
error(-1, "unable to get standard error terminal attributes");
}
#ifdef TIOCGWINSZ
- if (ioctl(STDERR_FILENO, TIOCGWINSZ, &win) >= 0)
+ if (ioctl(sffileno(sfstderr), TIOCGWINSZ, &win) >= 0)
winp = &win;
else
{
@@ -238,6 +244,12 @@ mkpty(int* master, int* slave)
error(-1, "unable to get standard error window size");
}
#endif
+#ifdef __linux__
+# if !_lib_openpty
+# undef _lib_openpty
+# define _lib_openpty 1
+# endif
+#endif
#if _lib_openpty
if (openpty(master, slave, NULL, ttyp, winp) < 0)
return -1;
@@ -279,6 +291,9 @@ mkpty(int* master, int* slave)
#if !O_cloexec
fcntl(*slave, F_SETFD, FD_CLOEXEC);
#endif
+#ifdef __linux__
+ sigprocmask(SIG_SETMASK, &oldset, NULL);
+#endif
alarm(0);
return 0;
}
@@ -317,9 +332,13 @@ process(Sfio_t* mp, Sfio_t* lp, int dela
char* s;
Sfio_t* ip;
Sfio_t* sps[2];
+ struct stat dst;
+ struct stat fst;
ip = sfstdin;
- for (;;)
+ if (!fstat(sffileno(ip), &dst) && !stat("/dev/null", &fst) && dst.st_dev == fst.st_dev && dst.st_ino == fst.st_ino)
+ ip = 0;
+ do
{
i = 0;
t = timeout;
@@ -336,39 +355,39 @@ process(Sfio_t* mp, Sfio_t* lp, int dela
{
if (n < 0)
error(ERROR_SYSTEM|2, "poll failed");
- if (t < 0)
- break;
+ break;
}
- else
- for (i = 0; i < n; i++)
+ for (i = t = 0; i < n; i++)
+ {
+ if (!(sfvalue(sps[i]) & SF_READ))
+ /*skip*/;
+ else if (sps[i] == mp)
{
- if (!(sfvalue(sps[i]) & SF_READ))
- /*skip*/;
- else if (sps[i] == mp)
+ t++;
+ if (!(s = (char*)sfreserve(mp, SF_UNBOUND, -1)))
{
- if (!(s = (char*)sfreserve(mp, SF_UNBOUND, -1)))
- {
- sfclose(mp);
- mp = 0;
- }
- else if ((r = sfvalue(mp)) > 0 && (sfwrite(sfstdout, s, r) != r || sfsync(sfstdout)))
- {
- error(ERROR_SYSTEM|2, "output write failed");
- goto done;
- }
+ sfclose(mp);
+ mp = 0;
}
- else
+ else if ((r = sfvalue(mp)) > 0 && (sfwrite(sfstdout, s, r) != r || sfsync(sfstdout)))
{
- if (!(s = sfgetr(ip, '\n', 1)))
- ip = 0;
- else if (sfputr(mp, s, '\r') < 0 || sfsync(mp))
- {
- error(ERROR_SYSTEM|2, "write failed");
- goto done;
- }
+ error(ERROR_SYSTEM|2, "output write failed");
+ goto done;
}
}
- }
+ else
+ {
+ t++;
+ if (!(s = sfgetr(ip, '\n', 1)))
+ ip = 0;
+ else if (sfputr(mp, s, '\r') < 0 || sfsync(mp))
+ {
+ error(ERROR_SYSTEM|2, "write failed");
+ goto done;
+ }
+ }
+ }
+ } while (t);
done:
if (mp)
sfclose(mp);
--- src/cmd/builtin/what.c
+++ src/cmd/builtin/what.c 2012-02-13 11:02:18.645933606 +0000
@@ -68,7 +68,7 @@ static struct
int match;
int single;
size_t skip[UCHAR_MAX+1];
- unsigned char prev[3];
+ unsigned char prev[4];
} state;
static void
@@ -99,7 +99,7 @@ what(const char* file, Sfio_t* ip, Sfio_
{
next:
s = state.prev;
- s[0] = s[1] = s[2] = 0;
+ s[0] = s[1] = s[2] = s[3] = 0;
switch (mid)
{
default:
