+1998-09-18 17:41 Ulrich Drepper <drepper@cygnus.com>
+
+ * libio/fileops.c (_IO_new_file_underflow): Before allocating
+ buffer make sure the pushback buffer is destroyed.
+ (_IO_new_file_seekoff): Likewise.
+ If mode==0 quit early with the result.
+ Clear OEF flag after successful fseek.
+ * libio/libio.h (_IO_FILE_complete): Add _IO_save_ptr.
+ * libio/ftello.c (ftello): Add offset from original buffer if
+ stream has pushed back characters.
+ * libio/ftello64.c (ftello64): Likewise.
+ * libio/iofgetpos.c (_IO_fgetpos): Likewise.
+ * libio/iofgetpos64.c (_IO_fgetpos64): Likewise.
+ * libio/ioftell.c (_IO_ftell): Likewise.
+ * libio/genops.c (_IO_switch_to_main_get_area): Swap _IO_read_ptr
+ and _IO_save_ptr.
+ (_IO_switch_to_backup_area): Save _IO_read_ptr in _IO_save_ptr.
+ (_IO_default_pbackfail): Only stored push back character in original
+ buffer if it is the same as the one in the file at this position.
+ * libio/iofclose.c: Free backup buffer if one is available.
+ * libio/ioseekoff.c (_IO_seekoff): Only remove pushback buffer if
+ mode!=0.
+
+ * strdlib/strtol.c (strtol): Handle 0x... string for base!=0 correctly.
+
+ * time/strftime.c [_LIBC] (ampm): Use tp->tm_hour not hour12.
+
+1998-09-18 Mark Kettenis <kettenis@phys.uva.nl>
+
+ * login/programs/pt_chown.c (more_help): Correct message that
+ describes the purpose of the program.
+
+ * login/openpty.c: Do not include pty-private.h.
+ (pts_name): New function. Return name of slave pseudo terminal in
+ an allocated buffer if necessary.
+ (openpty): Use pts_name to get name of the slave end of the pseudo
+ terminal pair.
+
+ * sysdeps/unix/grantpt.c (grantpt): Free buffer allocated by
+ pts_name before return.
+
+1998-09-18 11:15 Ulrich Drepper <drepper@cygnus.com>
+
+ * math/math.h: Define __NO_MATH_INLINES if __STRICT_ANSI__.
+
1998-09-18 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* login/openpty.c: Include pty-private.h instead of
#include <sys/stat.h>
#include <string.h>
#include <errno.h>
+#ifdef __STDC__
+#include <stdlib.h>
+#endif
#ifndef errno
extern int errno;
#endif
return *(unsigned char *) fp->_IO_read_ptr;
if (fp->_IO_buf_base == NULL)
- _IO_doallocbuf (fp);
+ {
+ /* Maybe we already have a push back pointer. */
+ if (fp->_IO_save_base != NULL)
+ {
+ free (fp->_IO_save_base);
+ fp->_flags &= ~_IO_IN_BACKUP;
+ }
+ _IO_doallocbuf (fp);
+ }
/* Flush all line buffered files before reading. */
/* FIXME This can/should be moved to genops ?? */
if (fp->_IO_buf_base == NULL)
{
+ /* It could be that we already have a pushback buffer. */
+ if (fp->_IO_read_base != NULL)
+ {
+ free (fp->_IO_read_base);
+ fp->_flags &= ~_IO_IN_BACKUP;
+ }
_IO_doallocbuf (fp);
_IO_setp (fp, fp->_IO_buf_base, fp->_IO_buf_base);
_IO_setg (fp, fp->_IO_buf_base, fp->_IO_buf_base, fp->_IO_buf_base);
}
/* At this point, dir==_IO_seek_set. */
+ /* If we are only interested in the current position we've found it now. */
+ if (mode == 0)
+ return offset;
+
/* If destination is within current buffer, optimize: */
if (fp->_offset != _IO_pos_BAD && fp->_IO_read_base != NULL
&& !_IO_in_backup (fp))
_IO_setg (fp, fp->_IO_buf_base, fp->_IO_buf_base + rel_offset,
fp->_IO_read_end);
_IO_setp (fp, fp->_IO_buf_base, fp->_IO_buf_base);
- return offset;
+ {
+ _IO_mask_flags (fp, 0, _IO_EOF_SEEN);
+ return offset;
+ }
}
#ifdef TODO
/* If we have streammarkers, seek forward by reading ahead. */
- (fp->_IO_read_ptr - fp->_IO_read_base);
if (ignore (to_skip) != to_skip)
goto dumb;
+ _IO_mask_flags (fp, 0, _IO_EOF_SEEN);
return offset;
}
#endif
if (!_IO_in_backup (fp))
_IO_switch_to_backup_area (fp);
gbump (fp->_IO_read_end + rel_offset - fp->_IO_read_ptr);
+ _IO_mask_flags (fp, 0, _IO_EOF_SEEN);
return offset;
}
#endif
_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
_IO_flockfile (fp);
pos = _IO_seekoff (fp, 0, _IO_seek_cur, 0);
+ if (_IO_in_backup (fp))
+ pos -= fp->_IO_save_end - fp->_IO_save_base;
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
if (pos == _IO_pos_BAD)
_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
_IO_flockfile (fp);
pos = _IO_seekoff (fp, 0, _IO_seek_cur, 0);
+ if (_IO_in_backup (fp))
+ pos -= fp->_IO_save_end - fp->_IO_save_base;
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
if (pos == _IO_pos_BAD)
tmp = fp->_IO_read_base;
fp->_IO_read_base = fp->_IO_save_base;
fp->_IO_save_base = tmp;
-
- fp->_IO_read_ptr = fp->_IO_read_base;
+ /* Swap _IO_read_base and _IO_save_ptr. */
+ tmp = fp->_IO_read_ptr;
+ fp->_IO_read_ptr = fp->_IO_save_ptr;
+ fp->_IO_save_ptr = tmp;
}
/* Switch current get area from main get area to (end of) backup area. */
tmp = fp->_IO_read_base;
fp->_IO_read_base = fp->_IO_save_base;
fp->_IO_save_base = tmp;
-
+ /* read _IO_read_ptr. */
+ fp->_IO_save_ptr = fp->_IO_read_ptr;
fp->_IO_read_ptr = fp->_IO_read_end;
}
_IO_FILE *fp;
int c;
{
- if (fp->_IO_read_ptr <= fp->_IO_read_base)
+ if (fp->_IO_read_ptr > fp->_IO_read_base && !_IO_in_backup (fp)
+ && fp->_IO_read_ptr[-1] == c)
+ --fp->_IO_read_ptr;
+ else
{
/* Need to handle a filebuf in write mode (switch to read mode). FIXME!*/
if (_IO_have_backup (fp) && !_IO_in_backup (fp))
new_buf + new_size);
fp->_IO_backup_base = fp->_IO_read_ptr;
}
+
+ *--fp->_IO_read_ptr = c;
}
- --fp->_IO_read_ptr;
- if (c != EOF && *fp->_IO_read_ptr != c)
- *fp->_IO_read_ptr = c;
- return (unsigned char) *fp->_IO_read_ptr;
+ return (unsigned char) c;
}
_IO_fpos64_t
_IO_FINISH (fp);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
+ if (_IO_have_backup (fp))
+ _IO_free_backup_area (fp);
if (fp != _IO_stdin && fp != _IO_stdout && fp != _IO_stderr)
{
fp->_IO_file_flags = 0;
_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
_IO_flockfile (fp);
pos = _IO_seekoff (fp, 0, _IO_seek_cur, 0);
+ if (_IO_in_backup (fp))
+ pos -= fp->_IO_save_end - fp->_IO_save_base;
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
if (pos == _IO_pos_BAD)
_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
_IO_flockfile (fp);
pos = _IO_seekoff (fp, 0, _IO_seek_cur, 0);
+ if (_IO_in_backup (fp))
+ pos -= fp->_IO_save_end - fp->_IO_save_base;
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
if (pos == _IO_pos_BAD)
_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
_IO_flockfile (fp);
pos = _IO_seekoff (fp, 0, _IO_seek_cur, 0);
+ if (_IO_in_backup (fp))
+ pos -= fp->_IO_save_end - fp->_IO_save_base;
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
if (pos == _IO_pos_BAD)
_IO_flockfile (fp);
- if (_IO_have_backup (fp))
+ if (mode != 0 && _IO_have_backup (fp))
{
if (dir == _IO_seek_cur && _IO_in_backup (fp))
offset -= fp->_IO_read_end - fp->_IO_read_ptr;
_IO_free_backup_area (fp);
}
+
retval = _IO_SEEKOFF (fp, offset, dir, mode);
_IO_funlockfile (fp);
#endif
#if defined _G_IO_IO_FILE_VERSION && _G_IO_IO_FILE_VERSION == 0x20001
_IO_off64_t _offset;
- int _unused2[16]; /* Make sure we don't get into trouble again. */
+ char *_IO_save_ptr;
+ /* Make sure we don't get into trouble again. */
+ char _unused2[16 * sizeof (int) - sizeof (char *)];
#endif
};
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
+#include <errno.h>
#include <fcntl.h>
+#include <limits.h>
#include <pty.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
-#include "pty-private.h"
+/* Return the result of ptsname_r in the buffer pointed to by PTS,
+ which should be of length BUF_LEN. If it is too long to fit in
+ this buffer, a sufficiently long buffer is allocated using malloc,
+ and returned in PTS. 0 is returned upon success, -1 otherwise. */
+static int
+pts_name (int fd, char **pts, size_t buf_len)
+{
+ int rv;
+ char *buf = *pts;
+
+ for (;;)
+ {
+ char *new_buf;
+
+ if (buf_len)
+ {
+ rv = ptsname_r (fd, buf, buf_len);
+
+ if (rv != 0 || memchr (buf, '\0', buf_len))
+ /* We either got an error, or we succeeded and the
+ returned name fit in the buffer. */
+ break;
+
+ /* Try again with a longer buffer. */
+ buf_len += buf_len; /* Double it */
+ }
+ else
+ /* No initial buffer; start out by mallocing one. */
+ buf_len = 128; /* First time guess. */
+
+ if (buf != *pts)
+ /* We've already malloced another buffer at least once. */
+ new_buf = realloc (buf, buf_len);
+ else
+ new_buf = malloc (buf_len);
+ if (! new_buf)
+ {
+ rv = -1;
+ __set_errno (ENOMEM);
+ break;
+ }
+ buf = new_buf;
+ }
+
+ if (rv == 0)
+ *pts = buf; /* Return buffer to the user. */
+ else if (buf != *pts)
+ free (buf); /* Free what we malloced when returning an error. */
+
+ return rv;
+}
+
+/* Create pseudo tty master slave pair and set terminal attributes
+ according to TERMP and WINP. Return handles for both ends in
+ AMASTER and ASLAVE, and return the name of the slave end in NAME. */
int
-openpty (pmast, pslave, pname, tio, wins)
- int *pmast;
- int *pslave;
- char *pname;
- struct termios *tio;
- struct winsize *wins;
+openpty (int *amaster, int *aslave, char *name, struct termios *termp,
+ struct winsize *winp)
{
- int pfd, tfd;
- char name[PTYNAMELEN];
+#ifdef PATH_MAX
+ char _buf[PATH_MAX];
+#else
+ char _buf[512];
+#endif
+ char *buf = _buf;
+ int master, slave;
- pfd = getpt ();
- if (pfd == -1)
+ master = getpt ();
+ if (master == -1)
return -1;
- if (grantpt (pfd))
- goto bail;
+ if (grantpt (master))
+ goto fail;
+
+ if (unlockpt (master))
+ goto fail;
- if (unlockpt (pfd))
- goto bail;
+ if (pts_name (master, &buf, sizeof (_buf)))
+ goto fail;
- if (ptsname_r (pfd, name, PTYNAMELEN) != 0)
- goto bail;
+ slave = open (buf, O_RDWR);
+ if (slave == -1)
+ {
+ if (buf != _buf)
+ free (buf);
- tfd = open (name, O_RDWR);
- if (tfd == -1)
- goto bail;
+ goto fail;
+ }
/* XXX Should we ignore errors here? */
- if(tio)
- tcsetattr (tfd, TCSAFLUSH, tio);
- if (wins)
- ioctl (tfd, TIOCSWINSZ, wins);
-
- *pmast = pfd;
- *pslave = tfd;
- if (pname != NULL)
- strcpy (pname, name);
- return 0;
+ if(termp)
+ tcsetattr (slave, TCSAFLUSH, termp);
+ if (winp)
+ ioctl (slave, TIOCSWINSZ, winp);
+
+ *amaster = master;
+ *aslave = slave;
+ if (name != NULL)
+ strcpy (name, buf);
-bail:
- close (pfd);
+ if (buf != _buf)
+ free (buf);
+ return 0;
+
+ fail:
+ close (master);
return -1;
}
more_help (int key, const char *text, void *input)
{
char *cp;
-
+
switch (key)
{
case ARGP_KEY_HELP_PRE_DOC:
asprintf (&cp, gettext ("\
-Set the owner, group and access permission of the terminal passed on\
- file descriptor `%d'. This is the helper program for the `grantpt'\
- function. It is not intended to be run directly from the command\
- line.\n"),
+Set the owner, group and access permission of the slave pseudo\
+ terminal corresponding to the master pseudo terminal passed on\
+ file descriptor `%d'. This is the helper program for the\
+ `grantpt' function. It is not intended to be run directly from\
+ the command line.\n"),
PTY_FILENO);
return cp;
case ARGP_KEY_HELP_EXTRA:
program_invocation_short_name);
exit (EXIT_FAILURE);
}
-
+
/* Check if we are properly installed. */
if (geteuid () != 0)
error (FAIL_EXEC, 0, gettext ("needs to be installed setuid `root'"));
#endif
+/* When compiling in strict ISO C compatible mode we must not use the
+ inline functions since they, among other things, do not set the
+ `errno' variable correctly. */
+#if defined __STRICT_ANSI__ && !defined __NO_MATH_INLINES
+# define __NO_MATH_INLINES 1
+#endif
+
/* Get machine-dependent inline versions (if there are any). */
#ifdef __USE_EXTERN_INLINES
# include <bits/mathinline.h>
/* Recognize number prefix and if BASE is zero, figure it out ourselves. */
if (*s == L_('0'))
{
- if (TOUPPER (s[1]) == L_('X'))
+ if ((base == 0 || base == 16) && TOUPPER (s[1]) == L_('X'))
{
s += 2;
base = 16;
int
grantpt (int fd)
{
+ int retval = -1;
#ifdef PATH_MAX
char _buf[PATH_MAX];
#else
if (pts_name (fd, &buf, sizeof (_buf)))
return -1;
-
+
if (__stat (buf, &st) < 0)
- return -1;
+ goto cleanup;
/* Make sure that we own the device. */
uid = __getuid ();
goto helper;
}
- return 0;
+ retval = 0;
+ goto cleanup;
/* We have to use the helper program. */
helper:
pid = __fork ();
if (pid == -1)
- return -1;
+ goto cleanup;
else if (pid == 0)
{
/* Disable core dumps. */
else
{
int w;
-
+
if (__waitpid (pid, &w, 0) == -1)
- return -1;
+ goto cleanup;
if (!WIFEXITED (w))
- {
- __set_errno (ENOEXEC);
- return -1;
- }
+ __set_errno (ENOEXEC);
else
switch (WEXITSTATUS(w))
{
case 0:
+ retval = 0;
break;
case FAIL_EBADF:
__set_errno (EBADF);
- return -1;
+ break;
case FAIL_EINVAL:
__set_errno (EINVAL);
- return -1;
+ break;
case FAIL_EACCES:
__set_errno (EACCES);
- return -1;
+ break;
case FAIL_EXEC:
__set_errno (ENOEXEC);
- return -1;
+ break;
default:
assert(! "getpt: internal error: invalid exit code from pt_chown");
}
}
- return 0;
+ cleanup:
+ if (buf != _buf)
+ free (buf);
+
+ return retval;
}
# define f_wkday _NL_CURRENT (LC_TIME, DAY_1 + tp->tm_wday)
# define a_month _NL_CURRENT (LC_TIME, ABMON_1 + tp->tm_mon)
# define f_month _NL_CURRENT (LC_TIME, MON_1 + tp->tm_mon)
-# define ampm _NL_CURRENT (LC_TIME, hour12 > 11 ? PM_STR : AM_STR)
+# define ampm _NL_CURRENT (LC_TIME, tp->tm_hour > 11 ? PM_STR : AM_STR)
# define aw_len strlen (a_wkday)
# define am_len strlen (a_month)
if (hour12 > 12)
hour12 -= 12;
else
- if (hour12 == 0) hour12 = 12;
+ if (hour12 == 0)
+ hour12 = 12;
for (f = format; *f != '\0'; ++f)
{
projects / platform / upstream / glibc.git / commitdiff