lib/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2025-08-07 06:43:00 +03:00
Code Activity

libio: Assume _LIBC, weak_alias, errno, (__set_)errno &c are defined

Browse Source 
Do not define _POSIX_SOURCE.
This commit is contained in:
Florian Weimer
2017-08-31 14:07:23 +02:00
parent 5129873a8e
commit 5f0704b66c
48 changed files with 166 additions and 751 deletions
Download Patch File Download Diff File Expand all files Collapse all files

54
libio/wgenops.c
View File

@@ -34,16 +34,7 @@
#include <wchar.h>
#ifndef _LIBC
# define __wmemcpy(dst, src, n) wmemcpy (dst, src, n)
#endif
static int save_for_wbackup (_IO_FILE *fp, wchar_t *end_p) __THROW
#ifdef _LIBC
internal_function
#endif
;
static int save_for_wbackup (_IO_FILE *fp, wchar_t *end_p) __THROW;
/* Return minimum _pos markers
Assumes the current get area is the main get area. */
@@ -307,13 +298,8 @@ _IO_wdefault_xsputn (_IO_FILE *f, const void *data, _IO_size_t n)
count = more;
if (count > 20)
{
#ifdef _LIBC
f->_wide_data->_IO_write_ptr =
__wmempcpy (f->_wide_data->_IO_write_ptr, s, count);
#else
memcpy (f->_wide_data->_IO_write_ptr, s, count);
f->_wide_data->_IO_write_ptr += count;
#endif
s += count;
}
else if (count <= 0)
@@ -353,12 +339,7 @@ _IO_wdefault_xsgetn (_IO_FILE *fp, void *data, _IO_size_t n)
count = more;
if (count > 20)
{
#ifdef _LIBC
s = __wmempcpy (s, fp->_wide_data->_IO_read_ptr, count);
#else
memcpy (s, fp->_wide_data->_IO_read_ptr, count);
s += count;
#endif
fp->_wide_data->_IO_read_ptr += count;
}
else if (count <= 0)
@@ -466,9 +447,6 @@ _IO_switch_to_wput_mode (_IO_FILE *fp)
static int
#ifdef _LIBC
internal_function
#endif
save_for_wbackup (_IO_FILE *fp, wchar_t *end_p)
{
/* Append [_IO_read_base..end_p] to backup area. */
@@ -492,32 +470,17 @@ save_for_wbackup (_IO_FILE *fp, wchar_t *end_p)
return EOF; /* FIXME */
if (least_mark < 0)
{
#ifdef _LIBC
__wmempcpy (__wmempcpy (new_buffer + avail,
fp->_wide_data->_IO_save_end + least_mark,
-least_mark),
fp->_wide_data->_IO_read_base,
end_p - fp->_wide_data->_IO_read_base);
#else
memcpy (new_buffer + avail,
fp->_wide_data->_IO_save_end + least_mark,
-least_mark * sizeof (wchar_t));
memcpy (new_buffer + avail - least_mark,
fp->_wide_data->_IO_read_base,
(end_p - fp->_wide_data->_IO_read_base) * sizeof (wchar_t));
#endif
}
else
{
#ifdef _LIBC
__wmemcpy (new_buffer + avail,
fp->_wide_data->_IO_read_base + least_mark,
needed_size);
#else
memcpy (new_buffer + avail,
fp->_wide_data->_IO_read_base + least_mark,
needed_size * sizeof (wchar_t));
#endif
}
free (fp->_wide_data->_IO_save_base);
fp->_wide_data->_IO_save_base = new_buffer;
@@ -528,32 +491,17 @@ save_for_wbackup (_IO_FILE *fp, wchar_t *end_p)
avail = current_Bsize - needed_size;
if (least_mark < 0)
{
#ifdef _LIBC
__wmemmove (fp->_wide_data->_IO_save_base + avail,
fp->_wide_data->_IO_save_end + least_mark,
-least_mark);
__wmemcpy (fp->_wide_data->_IO_save_base + avail - least_mark,
fp->_wide_data->_IO_read_base,
end_p - fp->_wide_data->_IO_read_base);
#else
memmove (fp->_wide_data->_IO_save_base + avail,
fp->_wide_data->_IO_save_end + least_mark,
-least_mark * sizeof (wchar_t));
memcpy (fp->_wide_data->_IO_save_base + avail - least_mark,
fp->_wide_data->_IO_read_base,
(end_p - fp->_wide_data->_IO_read_base) * sizeof (wchar_t));
#endif
}
else if (needed_size > 0)
#ifdef _LIBC
__wmemcpy (fp->_wide_data->_IO_save_base + avail,
fp->_wide_data->_IO_read_base + least_mark,
needed_size);
#else
memcpy (fp->_wide_data->_IO_save_base + avail,
fp->_wide_data->_IO_read_base + least_mark,
needed_size * sizeof (wchar_t));
#endif
}
fp->_wide_data->_IO_backup_base = fp->_wide_data->_IO_save_base + avail;
/* Adjust all the streammarkers. */