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-rw-r--r--ChangeLog20
-rw-r--r--libio/clearerr.c2
-rw-r--r--libio/fileops.c13
-rw-r--r--libio/fputc.c2
-rw-r--r--libio/genops.c116
-rw-r--r--libio/getchar.c2
-rw-r--r--libio/iofdopen.c4
-rw-r--r--libio/iogetdelim.c2
-rw-r--r--libio/iolibio.h3
-rw-r--r--libio/libio.h8
-rw-r--r--libio/libioP.h49
-rw-r--r--libio/oldfileops.c4
-rw-r--r--libio/oldiofdopen.c2
-rw-r--r--libio/oldpclose.c9
-rw-r--r--libio/pclose.c9
-rw-r--r--libio/tst-mmap-eofsync.c2
-rw-r--r--libio/wfileops.c5
-rw-r--r--libio/wgenops.c34
-rw-r--r--stdio-common/vfprintf.c2
-rw-r--r--stdio-common/vfscanf.c2
20 files changed, 54 insertions, 236 deletions
diff --git a/ChangeLog b/ChangeLog
index 2614353..7f30e3d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,25 @@
2018-02-21 Zack Weinberg <zackw@panix.com>
+ * libio/libio.h (_IO_pos_BAD, _IO_pos_0, _IO_pos_adjust):
+ Define here, unconditionally.
+ * libio/iolibio.h (_IO_pos_BAD): Don't define here.
+ * libio/libioP.h: Remove #if 0 blocks.
+ (_IO_pos_BAD, _IO_pos_0, _IO_pos_adjust): Don't define here.
+ (_IO_va_start, COERCE_FILE, MAYBE_SET_EINVAL): Don't define.
+ (CHECK_FILE): Don't use MAYBE_SET_EINVAL or COERCE_FILE. Fix style.
+
+ * libio/clearerr.c, libio/fputc.c, libio/getchar.c:
+ Assume weak_alias is always defined.
+
+ * libio/fileops.c, libio/genops.c, libio/oldfileops.c
+ * libio/oldpclose.c, libio/pclose.c, libio/wfileops.c:
+ Remove #if 0 and #ifdef TODO blocks.
+ Assume text_set_element is always defined.
+
+ * libio/iofdopen.c, libio/iogetdelim.c, libio/oldiofdopen.c
+ Use __set_errno (EINVAL) instead of MAYBE_SET_EINVAL.
+ * libio/tst-mmap-eofsync.c: Make #if 1 block unconditional.
+
* libio/libio.h (_IOS_ATEND, _IOS_APPEND, _IOS_TRUNC)
(_IOS_NOCREATE, _IOS_NOREPLACE, _IOS_BIN, _OLD_STDIO_MAGIC)
(_IO_SKIPWS, _IO_LEFT, _IO_RIGHT, _IO_INTERNAL, _IO_DEC)
diff --git a/libio/clearerr.c b/libio/clearerr.c
index 5d29fc5..77ac552 100644
--- a/libio/clearerr.c
+++ b/libio/clearerr.c
@@ -27,6 +27,6 @@ clearerr (FILE *fp)
_IO_funlockfile (fp);
}
-#if defined weak_alias && !defined _IO_MTSAFE_IO
+#ifndef _IO_MTSAFE_IO
weak_alias (clearerr, clearerr_unlocked)
#endif
diff --git a/libio/fileops.c b/libio/fileops.c
index ec1e2b5..79ad153 100644
--- a/libio/fileops.c
+++ b/libio/fileops.c
@@ -494,13 +494,9 @@ _IO_new_file_underflow (FILE *fp)
_IO_doallocbuf (fp);
}
- /* Flush all line buffered files before reading. */
/* FIXME This can/should be moved to genops ?? */
if (fp->_flags & (_IO_LINE_BUF|_IO_UNBUFFERED))
{
-#if 0
- _IO_flush_all_linebuffered ();
-#else
/* We used to flush all line-buffered stream. This really isn't
required by any standard. My recollection is that
traditional Unix systems did this for stdout. stderr better
@@ -513,7 +509,6 @@ _IO_new_file_underflow (FILE *fp)
_IO_OVERFLOW (_IO_stdout, EOF);
_IO_release_lock (_IO_stdout);
-#endif
}
_IO_switch_to_get_mode (fp);
@@ -813,10 +808,6 @@ _IO_new_file_sync (FILE *fp)
delta = fp->_IO_read_ptr - fp->_IO_read_end;
if (delta != 0)
{
-#ifdef TODO
- if (_IO_in_backup (fp))
- delta -= eGptr () - Gbase ();
-#endif
off64_t new_pos = _IO_SYSSEEK (fp, delta, 1);
if (new_pos != (off64_t) EOF)
fp->_IO_read_end = fp->_IO_read_ptr;
@@ -838,10 +829,6 @@ _IO_file_sync_mmap (FILE *fp)
{
if (fp->_IO_read_ptr != fp->_IO_read_end)
{
-#ifdef TODO
- if (_IO_in_backup (fp))
- delta -= eGptr () - Gbase ();
-#endif
if (__lseek64 (fp->_fileno, fp->_IO_read_ptr - fp->_IO_buf_base,
SEEK_SET)
!= fp->_IO_read_ptr - fp->_IO_buf_base)
diff --git a/libio/fputc.c b/libio/fputc.c
index 13b3b84..1e743eb 100644
--- a/libio/fputc.c
+++ b/libio/fputc.c
@@ -40,7 +40,7 @@ fputc (int c, FILE *fp)
return result;
}
-#if defined weak_alias && !defined _IO_MTSAFE_IO
+#ifndef _IO_MTSAFE_IO
#undef fputc_unlocked
weak_alias (fputc, fputc_unlocked)
#endif
diff --git a/libio/genops.c b/libio/genops.c
index 2b820c8..2fec221 100644
--- a/libio/genops.c
+++ b/libio/genops.c
@@ -194,24 +194,6 @@ _IO_free_backup_area (FILE *fp)
}
libc_hidden_def (_IO_free_backup_area)
-#if 0
-int
-_IO_switch_to_put_mode (FILE *fp)
-{
- fp->_IO_write_base = fp->_IO_read_ptr;
- fp->_IO_write_ptr = fp->_IO_read_ptr;
- /* Following is wrong if line- or un-buffered? */
- fp->_IO_write_end = (fp->_flags & _IO_IN_BACKUP
- ? fp->_IO_read_end : fp->_IO_buf_end);
-
- fp->_IO_read_ptr = fp->_IO_read_end;
- fp->_IO_read_base = fp->_IO_read_end;
-
- fp->_flags |= _IO_CURRENTLY_PUTTING;
- return 0;
-}
-#endif
-
int
__overflow (FILE *f, int ch)
{
@@ -465,15 +447,6 @@ _IO_default_xsgetn (FILE *fp, void *data, size_t n)
}
libc_hidden_def (_IO_default_xsgetn)
-#if 0
-/* Seems not to be needed. --drepper */
-int
-_IO_sync (FILE *fp)
-{
- return 0;
-}
-#endif
-
FILE *
_IO_default_setbuf (FILE *fp, char *p, ssize_t len)
{
@@ -697,28 +670,6 @@ _IO_sungetc (FILE *fp)
return result;
}
-#if 0 /* Work in progress */
-/* Seems not to be needed. */
-#if 0
-void
-_IO_set_column (FILE *fp, int c)
-{
- if (c == -1)
- fp->_column = -1;
- else
- fp->_column = c - (fp->_IO_write_ptr - fp->_IO_write_base);
-}
-#else
-int
-_IO_set_column (FILE *fp, int i)
-{
- fp->_cur_column = i + 1;
- return 0;
-}
-#endif
-#endif
-
-
unsigned
_IO_adjust_column (unsigned start, const char *line, int count)
{
@@ -730,20 +681,6 @@ _IO_adjust_column (unsigned start, const char *line, int count)
}
libc_hidden_def (_IO_adjust_column)
-#if 0
-/* Seems not to be needed. --drepper */
-int
-_IO_get_column (FILE *fp)
-{
- if (fp->_cur_column)
- return _IO_adjust_column (fp->_cur_column - 1,
- fp->_IO_write_base,
- fp->_IO_write_ptr - fp->_IO_write_base);
- return -1;
-}
-#endif
-
-
int
_IO_flush_all_lockp (int do_lock)
{
@@ -964,10 +901,8 @@ _IO_remove_marker (struct _IO_marker *marker)
return;
}
}
-#if 0
- if _sbuf has a backup area that is no longer needed, should we delete
- it now, or wait until the next underflow?
-#endif
+ /* FIXME: if _sbuf has a backup area that is no longer needed,
+ should we delete it now, or wait until the next underflow? */
}
#define BAD_DELTA EOF
@@ -1018,20 +953,6 @@ _IO_unsave_markers (FILE *fp)
struct _IO_marker *mark = fp->_markers;
if (mark)
{
-#ifdef TODO
- streampos offset = seekoff (0, ios::cur, ios::in);
- if (offset != EOF)
- {
- offset += eGptr () - Gbase ();
- for ( ; mark != NULL; mark = mark->_next)
- mark->set_streampos (mark->_pos + offset);
- }
- else
- {
- for ( ; mark != NULL; mark = mark->_next)
- mark->set_streampos (EOF);
- }
-#endif
fp->_markers = 0;
}
@@ -1040,19 +961,6 @@ _IO_unsave_markers (FILE *fp)
}
libc_hidden_def (_IO_unsave_markers)
-#if 0
-/* Seems not to be needed. --drepper */
-int
-_IO_nobackup_pbackfail (FILE *fp, int c)
-{
- if (fp->_IO_read_ptr > fp->_IO_read_base)
- fp->_IO_read_ptr--;
- if (c != EOF && *fp->_IO_read_ptr != c)
- *fp->_IO_read_ptr = c;
- return (unsigned char) c;
-}
-#endif
-
int
_IO_default_pbackfail (FILE *fp, int c)
{
@@ -1200,24 +1108,4 @@ _IO_list_resetlock (void)
}
libc_hidden_def (_IO_list_resetlock)
-
-#ifdef TODO
-#if defined(linux)
-#define IO_CLEANUP ;
-#endif
-
-#ifdef IO_CLEANUP
- IO_CLEANUP
-#else
-struct __io_defs {
- __io_defs() { }
- ~__io_defs() { _IO_cleanup (); }
-};
-__io_defs io_defs__;
-#endif
-
-#endif /* TODO */
-
-#ifdef text_set_element
text_set_element(__libc_atexit, _IO_cleanup);
-#endif
diff --git a/libio/getchar.c b/libio/getchar.c
index 8f8555f..0e3f415 100644
--- a/libio/getchar.c
+++ b/libio/getchar.c
@@ -41,7 +41,7 @@ getchar (void)
return result;
}
-#if defined weak_alias && !defined _IO_MTSAFE_IO
+#ifndef _IO_MTSAFE_IO
#undef getchar_unlocked
weak_alias (getchar, getchar_unlocked)
#endif
diff --git a/libio/iofdopen.c b/libio/iofdopen.c
index 21a53e3..1f20eac 100644
--- a/libio/iofdopen.c
+++ b/libio/iofdopen.c
@@ -62,7 +62,7 @@ _IO_new_fdopen (int fd, const char *mode)
read_write = _IO_NO_READS|_IO_IS_APPENDING;
break;
default:
- MAYBE_SET_EINVAL;
+ __set_errno (EINVAL);
return NULL;
}
for (i = 1; i < 5; ++i)
@@ -92,7 +92,7 @@ _IO_new_fdopen (int fd, const char *mode)
if (((fd_flags & O_ACCMODE) == O_RDONLY && !(read_write & _IO_NO_WRITES))
|| ((fd_flags & O_ACCMODE) == O_WRONLY && !(read_write & _IO_NO_READS)))
{
- MAYBE_SET_EINVAL;
+ __set_errno (EINVAL);
return NULL;
}
diff --git a/libio/iogetdelim.c b/libio/iogetdelim.c
index f5b0991..4f3ce5e 100644
--- a/libio/iogetdelim.c
+++ b/libio/iogetdelim.c
@@ -45,7 +45,7 @@ _IO_getdelim (char **lineptr, size_t *n, int delimiter, FILE *fp)
if (lineptr == NULL || n == NULL)
{
- MAYBE_SET_EINVAL;
+ __set_errno (EINVAL);
return -1;
}
CHECK_FILE (fp, -1);
diff --git a/libio/iolibio.h b/libio/iolibio.h
index ceaa33a..69e1c0e 100644
--- a/libio/iolibio.h
+++ b/libio/iolibio.h
@@ -59,9 +59,6 @@ struct obstack;
extern int _IO_obstack_vprintf (struct obstack *, const char *, __gnuc_va_list)
__THROW;
extern int _IO_obstack_printf (struct obstack *, const char *, ...) __THROW;
-#ifndef _IO_pos_BAD
-#define _IO_pos_BAD ((off64_t)(-1))
-#endif
#define _IO_clearerr(FP) ((FP)->_flags &= ~(_IO_ERR_SEEN|_IO_EOF_SEEN))
#define _IO_fseek(__fp, __offset, __whence) \
(_IO_seekoff_unlocked (__fp, __offset, __whence, _IOS_INPUT|_IOS_OUTPUT) \
diff --git a/libio/libio.h b/libio/libio.h
index df40bfd..00f9169 100644
--- a/libio/libio.h
+++ b/libio/libio.h
@@ -97,6 +97,14 @@ typedef union
#define _IO_FLAGS2_CLOEXEC 64
#define _IO_FLAGS2_NEED_LOCK 128
+/* _IO_pos_BAD is an off64_t value indicating error, unknown, or EOF. */
+#define _IO_pos_BAD ((off64_t) -1)
+
+/* _IO_pos_adjust adjusts an off64_t by some number of bytes. */
+#define _IO_pos_adjust(pos, delta) ((pos) += (delta))
+
+/* _IO_pos_0 is an off64_t value indicating beginning of file. */
+#define _IO_pos_0 ((off64_t) 0)
struct _IO_jump_t;
diff --git a/libio/libioP.h b/libio/libioP.h
index ee23296..8afe703 100644
--- a/libio/libioP.h
+++ b/libio/libioP.h
@@ -309,10 +309,6 @@ struct _IO_jump_t
JUMP_FIELD(_IO_stat_t, __stat);
JUMP_FIELD(_IO_showmanyc_t, __showmanyc);
JUMP_FIELD(_IO_imbue_t, __imbue);
-#if 0
- get_column;
- set_column;
-#endif
};
/* We always allocate an extra word following an _IO_FILE.
@@ -710,19 +706,6 @@ extern off64_t _IO_seekpos_unlocked (FILE *, off64_t, int)
extern int _IO_vscanf (const char *, va_list) __THROW;
-/* _IO_pos_BAD is an off64_t value indicating error, unknown, or EOF. */
-#ifndef _IO_pos_BAD
-# define _IO_pos_BAD ((off64_t) -1)
-#endif
-/* _IO_pos_adjust adjust an off64_t by some number of bytes. */
-#ifndef _IO_pos_adjust
-# define _IO_pos_adjust(pos, delta) ((pos) += (delta))
-#endif
-/* _IO_pos_0 is an off64_t value indicating beginning of file. */
-#ifndef _IO_pos_0
-# define _IO_pos_0 ((off64_t) 0)
-#endif
-
#ifdef _IO_MTSAFE_IO
/* check following! */
# ifdef _IO_USE_OLD_IO_FILE
@@ -752,33 +735,19 @@ extern int _IO_vscanf (const char *, va_list) __THROW;
# endif
#endif
-#define _IO_va_start(args, last) va_start(args, last)
-
extern struct _IO_fake_stdiobuf _IO_stdin_buf, _IO_stdout_buf, _IO_stderr_buf;
-#if 1
-# define COERCE_FILE(FILE) /* Nothing */
-#else
-/* This is part of the kludge for binary compatibility with old stdio. */
-# define COERCE_FILE(FILE) \
- (((FILE)->_flags & _IO_MAGIC_MASK) == _OLD_MAGIC_MASK \
- && (FILE) = *(FILE**)&((int*)fp)[1])
-#endif
-
-#ifdef EINVAL
-# define MAYBE_SET_EINVAL __set_errno (EINVAL)
-#else
-# define MAYBE_SET_EINVAL /* nothing */
-#endif
-
#ifdef IO_DEBUG
-# define CHECK_FILE(FILE, RET) \
- if ((FILE) == NULL) { MAYBE_SET_EINVAL; return RET; } \
- else { COERCE_FILE(FILE); \
- if (((FILE)->_flags & _IO_MAGIC_MASK) != _IO_MAGIC) \
- { MAYBE_SET_EINVAL; return RET; }}
+# define CHECK_FILE(FILE, RET) do { \
+ if ((FILE) == NULL || \
+ ((FILE)->_flags & _IO_MAGIC_MASK) != _IO_MAGIC) \
+ { \
+ __set_errno (EINVAL); \
+ return RET; \
+ } \
+ } while (0)
#else
-# define CHECK_FILE(FILE, RET) COERCE_FILE (FILE)
+# define CHECK_FILE(FILE, RET) do { } while (0)
#endif
static inline void
diff --git a/libio/oldfileops.c b/libio/oldfileops.c
index 7298bf5..7997ddf 100644
--- a/libio/oldfileops.c
+++ b/libio/oldfileops.c
@@ -516,10 +516,6 @@ _IO_old_file_seekoff (FILE *fp, off64_t offset, int dir, int mode)
+ (fp->_IO_read_end - fp->_IO_read_base));
if (rel_offset >= 0)
{
-#if 0
- if (_IO_in_backup (fp))
- _IO_switch_to_main_get_area (fp);
-#endif
if (rel_offset <= fp->_IO_read_end - fp->_IO_read_base)
{
_IO_setg (fp, fp->_IO_buf_base, fp->_IO_buf_base + rel_offset,
diff --git a/libio/oldiofdopen.c b/libio/oldiofdopen.c
index 17930c2..cec6642 100644
--- a/libio/oldiofdopen.c
+++ b/libio/oldiofdopen.c
@@ -60,7 +60,7 @@ _IO_old_fdopen (int fd, const char *mode)
read_write = _IO_NO_READS|_IO_IS_APPENDING;
break;
default:
- MAYBE_SET_EINVAL;
+ __set_errno (EINVAL);
return NULL;
}
if (mode[0] == '+' || (mode[0] == 'b' && mode[1] == '+'))
diff --git a/libio/oldpclose.c b/libio/oldpclose.c
index f02a05f..5934861 100644
--- a/libio/oldpclose.c
+++ b/libio/oldpclose.c
@@ -32,16 +32,13 @@
#include "stdio.h"
#include <errno.h>
+/* POSIX does not require us to check that a stream passed to pclose()
+ was created by popen(). Instead we rely on _IO_SYSCLOSE to call
+ _proc_close when appropriate. */
int
attribute_compat_text_section
__old_pclose (FILE *fp)
{
-#if 0
- /* Does not actually test that stream was created by popen(). Instead,
- it depends on the filebuf::sys_close() virtual to Do The Right Thing. */
- if (fp is not a proc_file)
- return -1;
-#endif
return _IO_old_fclose (fp);
}
diff --git a/libio/pclose.c b/libio/pclose.c
index 74851b5..be7b330 100644
--- a/libio/pclose.c
+++ b/libio/pclose.c
@@ -29,15 +29,12 @@
#include <errno.h>
#include <shlib-compat.h>
+/* POSIX does not require us to check that a stream passed to pclose()
+ was created by popen(). Instead we rely on _IO_SYSCLOSE to call
+ _proc_close when appropriate. */
int
__new_pclose (FILE *fp)
{
-#if 0
- /* Does not actually test that stream was created by popen(). Instead,
- it depends on the filebuf::sys_close() virtual to Do The Right Thing. */
- if (fp is not a proc_file)
- return -1;
-#endif
return _IO_new_fclose (fp);
}
diff --git a/libio/tst-mmap-eofsync.c b/libio/tst-mmap-eofsync.c
index e8ef727..0c568e8 100644
--- a/libio/tst-mmap-eofsync.c
+++ b/libio/tst-mmap-eofsync.c
@@ -60,7 +60,6 @@ do_test (void)
printf ("feof = %d, ferror = %d immediately after fgets\n",
feof (f), ferror (f));
-#if 1
c = fgetc (f);
if (c == EOF)
printf ("fgetc -> EOF (feof = %d, ferror = %d)\n",
@@ -71,7 +70,6 @@ do_test (void)
c, feof (f), ferror (f));
result = 1;
}
-#endif
c = write (temp_fd, text2, sizeof text2 - 1);
if (c == sizeof text2 - 1)
diff --git a/libio/wfileops.c b/libio/wfileops.c
index fa265bc..1dbf72f 100644
--- a/libio/wfileops.c
+++ b/libio/wfileops.c
@@ -196,13 +196,9 @@ _IO_wfile_underflow (FILE *fp)
_IO_wdoallocbuf (fp);
}
- /* Flush all line buffered files before reading. */
/* FIXME This can/should be moved to genops ?? */
if (fp->_flags & (_IO_LINE_BUF | _IO_UNBUFFERED))
{
-#if 0
- _IO_flush_all_linebuffered ();
-#else
/* We used to flush all line-buffered stream. This really isn't
required by any standard. My recollection is that
traditional Unix systems did this for stdout. stderr better
@@ -215,7 +211,6 @@ _IO_wfile_underflow (FILE *fp)
_IO_OVERFLOW (_IO_stdout, EOF);
_IO_release_lock (_IO_stdout);
-#endif
}
_IO_switch_to_get_mode (fp);
diff --git a/libio/wgenops.c b/libio/wgenops.c
index e8f5a53..884d72d 100644
--- a/libio/wgenops.c
+++ b/libio/wgenops.c
@@ -426,26 +426,6 @@ _IO_free_wbackup_area (FILE *fp)
}
libc_hidden_def (_IO_free_wbackup_area)
-#if 0
-int
-_IO_switch_to_wput_mode (FILE *fp)
-{
- fp->_wide_data->_IO_write_base = fp->_wide_data->_IO_read_ptr;
- fp->_wide_data->_IO_write_ptr = fp->_wide_data->_IO_read_ptr;
- /* Following is wrong if line- or un-buffered? */
- fp->_wide_data->_IO_write_end = (fp->_flags & _IO_IN_BACKUP
- ? fp->_wide_data->_IO_read_end
- : fp->_wide_data->_IO_buf_end);
-
- fp->_wide_data->_IO_read_ptr = fp->_wide_data->_IO_read_end;
- fp->_wide_data->_IO_read_base = fp->_wide_data->_IO_read_end;
-
- fp->_flags |= _IO_CURRENTLY_PUTTING;
- return 0;
-}
-#endif
-
-
static int
save_for_wbackup (FILE *fp, wchar_t *end_p)
{
@@ -624,20 +604,6 @@ _IO_unsave_wmarkers (FILE *fp)
struct _IO_marker *mark = fp->_markers;
if (mark)
{
-#ifdef TODO
- streampos offset = seekoff (0, ios::cur, ios::in);
- if (offset != EOF)
- {
- offset += eGptr () - Gbase ();
- for ( ; mark != NULL; mark = mark->_next)
- mark->set_streampos (mark->_pos + offset);
- }
- else
- {
- for ( ; mark != NULL; mark = mark->_next)
- mark->set_streampos (EOF);
- }
-#endif
fp->_markers = 0;
}
diff --git a/stdio-common/vfprintf.c b/stdio-common/vfprintf.c
index 8f0a6f8..ae412e4 100644
--- a/stdio-common/vfprintf.c
+++ b/stdio-common/vfprintf.c
@@ -58,7 +58,7 @@
} \
if (Format == NULL) \
{ \
- MAYBE_SET_EINVAL; \
+ __set_errno (EINVAL); \
return -1; \
} \
} while (0)
diff --git a/stdio-common/vfscanf.c b/stdio-common/vfscanf.c
index a519a57..3263268 100644
--- a/stdio-common/vfscanf.c
+++ b/stdio-common/vfscanf.c
@@ -172,7 +172,7 @@
} \
else if (format == NULL) \
{ \
- MAYBE_SET_EINVAL; \
+ __set_errno (EINVAL); \
return EOF; \
} \
} while (0)
generated by cgit v1.1 at 2024-12-26 09:59:16 +0000