diff options
author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-12-27 17:58:54 +0000 |
---|---|---|
committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-12-27 17:58:54 +0000 |
commit | 1ba06384fb715fb7732b20911ffc56a61d16cb0d (patch) | |
tree | 0fcfaf14f40169b289044495b1984a5fa3e0e965 /libio/wgenops.c | |
parent | 1af57d5793424a5a6ec542d0a5ef0b7c4f312623 (diff) | |
parent | 963c37d5c0eb62b38f8764b23931c0dcdd497a13 (diff) |
Merge commit 'refs/top-bases/t/sysvshm' into t/sysvshm
Diffstat (limited to 'libio/wgenops.c')
-rw-r--r-- | libio/wgenops.c | 184 |
1 files changed, 49 insertions, 135 deletions
diff --git a/libio/wgenops.c b/libio/wgenops.c index 9f524aaf2d..884d72deba 100644 --- a/libio/wgenops.c +++ b/libio/wgenops.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1993-2016 Free Software Foundation, Inc. +/* Copyright (C) 1993-2018 Free Software Foundation, Inc. This file is part of the GNU C Library. Written by Ulrich Drepper <drepper@cygnus.com>. Based on the single byte version by Per Bothner <bothner@cygnus.com>. @@ -34,23 +34,14 @@ #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 (FILE *fp, wchar_t *end_p) __THROW; /* Return minimum _pos markers Assumes the current get area is the main get area. */ -_IO_ssize_t -_IO_least_wmarker (_IO_FILE *fp, wchar_t *end_p) +ssize_t +_IO_least_wmarker (FILE *fp, wchar_t *end_p) { - _IO_ssize_t least_so_far = end_p - fp->_wide_data->_IO_read_base; + ssize_t least_so_far = end_p - fp->_wide_data->_IO_read_base; struct _IO_marker *mark; for (mark = fp->_markers; mark != NULL; mark = mark->_next) if (mark->_pos < least_so_far) @@ -61,7 +52,7 @@ libc_hidden_def (_IO_least_wmarker) /* Switch current get area from backup buffer to (start of) main get area. */ void -_IO_switch_to_main_wget_area (_IO_FILE *fp) +_IO_switch_to_main_wget_area (FILE *fp) { wchar_t *tmp; fp->_flags &= ~_IO_IN_BACKUP; @@ -81,7 +72,7 @@ libc_hidden_def (_IO_switch_to_main_wget_area) /* Switch current get area from main get area to (end of) backup area. */ void -_IO_switch_to_wbackup_area (_IO_FILE *fp) +_IO_switch_to_wbackup_area (FILE *fp) { wchar_t *tmp; fp->_flags |= _IO_IN_BACKUP; @@ -100,7 +91,7 @@ libc_hidden_def (_IO_switch_to_wbackup_area) void -_IO_wsetb (_IO_FILE *f, wchar_t *b, wchar_t *eb, int a) +_IO_wsetb (FILE *f, wchar_t *b, wchar_t *eb, int a) { if (f->_wide_data->_IO_buf_base && !(f->_flags2 & _IO_FLAGS2_USER_WBUF)) free (f->_wide_data->_IO_buf_base); @@ -115,7 +106,7 @@ libc_hidden_def (_IO_wsetb) wint_t -_IO_wdefault_pbackfail (_IO_FILE *fp, wint_t c) +_IO_wdefault_pbackfail (FILE *fp, wint_t c) { if (fp->_wide_data->_IO_read_ptr > fp->_wide_data->_IO_read_base && !_IO_in_backup (fp) @@ -154,9 +145,9 @@ _IO_wdefault_pbackfail (_IO_FILE *fp, wint_t c) else if (fp->_wide_data->_IO_read_ptr <= fp->_wide_data->_IO_read_base) { /* Increase size of existing backup buffer. */ - _IO_size_t new_size; - _IO_size_t old_size = (fp->_wide_data->_IO_read_end - - fp->_wide_data->_IO_read_base); + size_t new_size; + size_t old_size = (fp->_wide_data->_IO_read_end + - fp->_wide_data->_IO_read_base); wchar_t *new_buf; new_size = 2 * old_size; new_buf = (wchar_t *) malloc (new_size * sizeof (wchar_t)); @@ -178,7 +169,7 @@ libc_hidden_def (_IO_wdefault_pbackfail) void -_IO_wdefault_finish (_IO_FILE *fp, int dummy) +_IO_wdefault_finish (FILE *fp, int dummy) { struct _IO_marker *mark; if (fp->_wide_data->_IO_buf_base && !(fp->_flags2 & _IO_FLAGS2_USER_WBUF)) @@ -207,7 +198,7 @@ libc_hidden_def (_IO_wdefault_finish) wint_t -_IO_wdefault_uflow (_IO_FILE *fp) +_IO_wdefault_uflow (FILE *fp) { wint_t wch; wch = _IO_UNDERFLOW (fp); @@ -219,7 +210,7 @@ libc_hidden_def (_IO_wdefault_uflow) wint_t -__woverflow (_IO_FILE *f, wint_t wch) +__woverflow (FILE *f, wint_t wch) { if (f->_mode == 0) _IO_fwide (f, 1); @@ -229,7 +220,7 @@ libc_hidden_def (__woverflow) wint_t -__wuflow (_IO_FILE *fp) +__wuflow (FILE *fp) { if (fp->_mode < 0 || (fp->_mode == 0 && _IO_fwide (fp, 1) != 1)) return WEOF; @@ -259,7 +250,7 @@ __wuflow (_IO_FILE *fp) libc_hidden_def (__wuflow) wint_t -__wunderflow (_IO_FILE *fp) +__wunderflow (FILE *fp) { if (fp->_mode < 0 || (fp->_mode == 0 && _IO_fwide (fp, 1) != 1)) return WEOF; @@ -289,31 +280,26 @@ __wunderflow (_IO_FILE *fp) libc_hidden_def (__wunderflow) -_IO_size_t -_IO_wdefault_xsputn (_IO_FILE *f, const void *data, _IO_size_t n) +size_t +_IO_wdefault_xsputn (FILE *f, const void *data, size_t n) { const wchar_t *s = (const wchar_t *) data; - _IO_size_t more = n; + size_t more = n; if (more <= 0) return 0; for (;;) { /* Space available. */ - _IO_ssize_t count = (f->_wide_data->_IO_write_end - - f->_wide_data->_IO_write_ptr); + ssize_t count = (f->_wide_data->_IO_write_end + - f->_wide_data->_IO_write_ptr); if (count > 0) { - if ((_IO_size_t) count > more) + if ((size_t) count > more) 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) @@ -321,7 +307,7 @@ _IO_wdefault_xsputn (_IO_FILE *f, const void *data, _IO_size_t n) else { wchar_t *p = f->_wide_data->_IO_write_ptr; - _IO_ssize_t i; + ssize_t i; for (i = count; --i >= 0; ) *p++ = *s++; f->_wide_data->_IO_write_ptr = p; @@ -337,28 +323,23 @@ _IO_wdefault_xsputn (_IO_FILE *f, const void *data, _IO_size_t n) libc_hidden_def (_IO_wdefault_xsputn) -_IO_size_t -_IO_wdefault_xsgetn (_IO_FILE *fp, void *data, _IO_size_t n) +size_t +_IO_wdefault_xsgetn (FILE *fp, void *data, size_t n) { - _IO_size_t more = n; + size_t more = n; wchar_t *s = (wchar_t*) data; for (;;) { /* Data available. */ - _IO_ssize_t count = (fp->_wide_data->_IO_read_end - - fp->_wide_data->_IO_read_ptr); + ssize_t count = (fp->_wide_data->_IO_read_end + - fp->_wide_data->_IO_read_ptr); if (count > 0) { - if ((_IO_size_t) count > more) + if ((size_t) count > more) 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) @@ -382,7 +363,7 @@ libc_hidden_def (_IO_wdefault_xsgetn) void -_IO_wdoallocbuf (_IO_FILE *fp) +_IO_wdoallocbuf (FILE *fp) { if (fp->_wide_data->_IO_buf_base) return; @@ -396,21 +377,21 @@ libc_hidden_def (_IO_wdoallocbuf) int -_IO_wdefault_doallocate (_IO_FILE *fp) +_IO_wdefault_doallocate (FILE *fp) { wchar_t *buf; - buf = malloc (_IO_BUFSIZ); + buf = malloc (BUFSIZ); if (__glibc_unlikely (buf == NULL)) return EOF; - _IO_wsetb (fp, buf, buf + _IO_BUFSIZ, 1); + _IO_wsetb (fp, buf, buf + BUFSIZ, 1); return 1; } libc_hidden_def (_IO_wdefault_doallocate) int -_IO_switch_to_wget_mode (_IO_FILE *fp) +_IO_switch_to_wget_mode (FILE *fp) { if (fp->_wide_data->_IO_write_ptr > fp->_wide_data->_IO_write_base) if ((wint_t)_IO_WOVERFLOW (fp, WEOF) == WEOF) @@ -434,7 +415,7 @@ _IO_switch_to_wget_mode (_IO_FILE *fp) libc_hidden_def (_IO_switch_to_wget_mode) void -_IO_free_wbackup_area (_IO_FILE *fp) +_IO_free_wbackup_area (FILE *fp) { if (_IO_in_backup (fp)) _IO_switch_to_main_wget_area (fp); /* Just in case. */ @@ -445,42 +426,19 @@ _IO_free_wbackup_area (_IO_FILE *fp) } libc_hidden_def (_IO_free_wbackup_area) -#if 0 -int -_IO_switch_to_wput_mode (_IO_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 -#ifdef _LIBC -internal_function -#endif -save_for_wbackup (_IO_FILE *fp, wchar_t *end_p) +save_for_wbackup (FILE *fp, wchar_t *end_p) { /* Append [_IO_read_base..end_p] to backup area. */ - _IO_ssize_t least_mark = _IO_least_wmarker (fp, end_p); + ssize_t least_mark = _IO_least_wmarker (fp, end_p); /* needed_size is how much space we need in the backup area. */ - _IO_size_t needed_size = ((end_p - fp->_wide_data->_IO_read_base) - - least_mark); + size_t needed_size = ((end_p - fp->_wide_data->_IO_read_base) + - least_mark); /* FIXME: Dubious arithmetic if pointers are NULL */ - _IO_size_t current_Bsize = (fp->_wide_data->_IO_save_end - - fp->_wide_data->_IO_save_base); - _IO_size_t avail; /* Extra space available for future expansion. */ - _IO_ssize_t delta; + size_t current_Bsize = (fp->_wide_data->_IO_save_end + - fp->_wide_data->_IO_save_base); + size_t avail; /* Extra space available for future expansion. */ + ssize_t delta; struct _IO_marker *mark; if (needed_size > current_Bsize) { @@ -492,32 +450,17 @@ 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 +471,17 @@ 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. */ @@ -564,7 +492,7 @@ save_for_wbackup (_IO_FILE *fp, wchar_t *end_p) } wint_t -_IO_sputbackwc (_IO_FILE *fp, wint_t c) +_IO_sputbackwc (FILE *fp, wint_t c) { wint_t result; @@ -585,7 +513,7 @@ _IO_sputbackwc (_IO_FILE *fp, wint_t c) libc_hidden_def (_IO_sputbackwc) wint_t -_IO_sungetwc (_IO_FILE *fp) +_IO_sungetwc (FILE *fp) { wint_t result; @@ -615,7 +543,7 @@ _IO_adjust_wcolumn (unsigned start, const wchar_t *line, int count) } void -_IO_init_wmarker (struct _IO_marker *marker, _IO_FILE *fp) +_IO_init_wmarker (struct _IO_marker *marker, FILE *fp) { marker->_sbuf = fp; if (_IO_in_put_mode (fp)) @@ -650,7 +578,7 @@ _IO_wmarker_delta (struct _IO_marker *mark) } int -_IO_seekwmark (_IO_FILE *fp, struct _IO_marker *mark, int delta) +_IO_seekwmark (FILE *fp, struct _IO_marker *mark, int delta) { if (mark->_sbuf != fp) return EOF; @@ -671,25 +599,11 @@ _IO_seekwmark (_IO_FILE *fp, struct _IO_marker *mark, int delta) } void -_IO_unsave_wmarkers (_IO_FILE *fp) +_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; } |