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77fe0b9cd8
2002-02-25 Ulrich Drepper <drepper@redhat.com> * assert/assert-perr.c: Use INTUSE to reference functions and variables inside libc itself. Ise INTDEF and INTDEF2 to define appropriate aliases. Add prototypes for the new aliases. * assert/assert.c: Likewise. * include/libc-symbols.h: Likewise. * include/stdio.h: Likewise. * include/netinet/in.h: Likewise. * include/rpc/auth.h: Likewise. * include/rpc/auth_unix.h: Likewise. * include/rpc/key_prot.h: Likewise. * include/rpc/pmap_prot.h: Likewise. * include/rpc/pmap_rmt.h: Likewise. * include/rpc/rpc_msg.h: Likewise. * include/rpc/xdr.h: Likewise. * inet/gethstbyad_r.c: Likewise. * inet/gethstbynm2_r.c: Likewise. * inet/gethstbynm_r.c: Likewise. * inet/gethstent_r.c: Likewise. * inet/in6_addr.c: Likewise. * libio/__fpurge.c: Likewise. * libio/filedoalloc.c: Likewise. * libio/fileops.c: Likewise. * libio/ftello.c: Likewise. * libio/ftello64.c: Likewise. * libio/genops.c: Likewise. * libio/iofclose.c: Likewise. * libio/iofdopen.c: Likewise. * libio/iofflush.c: Likewise. * libio/iofflush_u.c: Likewise. * libio/iofgetpos.c: Likewise. * libio/iofgetpos64.c: Likewise. * libio/iofgets.c: Likewise. * libio/iofgets_u.c: Likewise. * libio/iofopen.c: Likewise. * libio/iofopncook.c: Likewise. * libio/iofputs.c: Likewise. * libio/iofread.c: Likewise. * libio/iofread_u.c: Likewise. * libio/iofsetpos.c: Likewise. * libio/iofsetpos64.c: Likewise. * libio/ioftell.c: Likewise. * libio/iofwrite.c: Likewise. * libio/iogetline.c: Likewise. * libio/iogets.c: Likewise. * libio/iogetwline.c: Likewise. * libio/iolibio.h: Likewise. * libio/iopadn.c: Likewise. * libio/iopopen.c: Likewise. * libio/ioseekoff.c: Likewise. * libio/ioseekpos.c: Likewise. * libio/iosetbuffer.c: Likewise. * libio/iosetvbuf.c: Likewise. * libio/ioungetc.c: Likewise. * libio/ioungetwc.c: Likewise. * libio/iovdprintf.c: Likewise. * libio/iovsprintf.c: Likewise. * libio/iovsscanf.c: Likewise. * libio/libioP.h: Likewise. * libio/memstream.c: Likewise. * libio/obprintf.c: Likewise. * libio/oldfileops.c: Likewise. * libio/oldiofclose.c: Likewise. * libio/oldiofdopen.c: Likewise. * libio/oldiofgetpos.c: Likewise. * libio/oldiofgetpos64.c: Likewise. * libio/oldiofopen.c: Likewise. * libio/oldiofsetpos.c: Likewise. * libio/oldiofsetpos64.c: Likewise. * libio/oldiopopen.c: Likewise. * libio/oldstdfiles.c: Likewise. * libio/putc.c: Likewise. * libio/setbuf.c: Likewise. * libio/setlinebuf.c: Likewise. * libio/stdfiles.c: Likewise. * libio/stdio.c: Likewise. * libio/strops.c: Likewise. * libio/vasprintf.c: Likewise. * libio/vscanf.c: Likewise. * libio/vsnprintf.c: Likewise. * libio/vswprintf.c: Likewise. * libio/wfiledoalloc.c: Likewise. * libio/wfileops.c: Likewise. * libio/wgenops.c: Likewise. * libio/wstrops.c: Likewise. * malloc/mtrace.c: Likewise. * misc/error.c: Likewise. * misc/syslog.c: Likewise. * nss/getXXbyYY_r.c: Likewise. * nss/getXXent_r.c: Likewise. * nss/hosts-lookup.c: Likewise. * stdio-common/getw.c * stdio-common/printf-prs.c: Likewise. * stdio-common/printf_fp.c: Likewise. * stdio-common/printf_size.c: Likewise. * stdio-common/putw.c: Likewise. * stdio-common/scanf.c: Likewise. * stdio-common/sprintf.c: Likewise. * stdio-common/tmpfile64.c: Likewise. * stdio-common/vfprintf.c: Likewise. * stdio-common/vfscanf.c: Likewise. * stdlib/strfmon.c: Likewise. * sunrpc/auth_des.c: Likewise. * sunrpc/auth_none.c: Likewise. * sunrpc/auth_unix.c: Likewise. * sunrpc/authdes_prot.c: Likewise. * sunrpc/authuxprot.c: Likewise. * sunrpc/clnt_perr.c: Likewise. * sunrpc/clnt_raw.c: Likewise. * sunrpc/clnt_tcp.c: Likewise. * sunrpc/clnt_udp.c: Likewise. * sunrpc/clnt_unix.c: Likewise. * sunrpc/key_call.c: Likewise. * sunrpc/key_prot.c: Likewise. * sunrpc/openchild.c: Likewise. * sunrpc/pm_getmaps.c: Likewise. * sunrpc/pm_getport.c: Likewise. * sunrpc/pmap_clnt.c: Likewise. * sunrpc/pmap_prot.c: Likewise. * sunrpc/pmap_prot2.c: Likewise. * sunrpc/pmap_rmt.c: Likewise. * sunrpc/rpc_cmsg.c: Likewise. * sunrpc/rpc_prot.c: Likewise. * sunrpc/svc_authux.c: Likewise. * sunrpc/svc_raw.c: Likewise. * sunrpc/svc_simple.c: Likewise. * sunrpc/svc_tcp.c: Likewise. * sunrpc/svc_udp.c: Likewise. * sunrpc/svc_unix.c: Likewise. * sunrpc/xdr.c: Likewise. * sunrpc/xdr_array.c: Likewise. * sunrpc/xdr_mem.c: Likewise. * sunrpc/xdr_rec.c: Likewise. * sunrpc/xdr_ref.c: Likewise. * sunrpc/xdr_stdio.c: Likewise. * sysdeps/generic/_strerror.c: Likewise. * sysdeps/generic/printf_fphex.c: Likewise. * sysdeps/generic/tmpfile.c: Likewise. * sysdeps/gnu/errlist.awk: Likewise. * sysdeps/gnu/errlist.c: Likewise. * libio/Makefile (routines): Remove iosprint. * libio/iosprintf.c: Removed
333 lines
9.4 KiB
C
333 lines
9.4 KiB
C
/* Copyright (C) 1993, 1997-2000, 2001, 2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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As a special exception, if you link the code in this file with
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files compiled with a GNU compiler to produce an executable,
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that does not cause the resulting executable to be covered by
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the GNU Lesser General Public License. This exception does not
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however invalidate any other reasons why the executable file
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might be covered by the GNU Lesser General Public License.
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This exception applies to code released by its copyright holders
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in files containing the exception. */
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#include "strfile.h"
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#include "libioP.h"
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#include <string.h>
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#include <stdio_ext.h>
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#if 0
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/* The following definitions are for exposition only.
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They map the terminology used in the ANSI/ISO C++ draft standard
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to the implementation. */
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/* allocated: set when a dynamic array object has been allocated, and
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hence should be freed by the destructor for the strstreambuf object. */
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#define ALLOCATED(FP) ((FP)->_f._IO_buf_base && DYNAMIC(FP))
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/* constant: set when the array object has const elements,
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so the output sequence cannot be written. */
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#define CONSTANT(FP) ((FP)->_f._IO_file_flags & _IO_NO_WRITES)
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/* alsize: the suggested minimum size for a dynamic array object. */
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#define ALSIZE(FP) ??? /* not stored */
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/* palloc: points to the function to call to allocate a dynamic array object.*/
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#define PALLOC(FP) \
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((FP)->_s._allocate_buffer == default_alloc ? 0 : (FP)->_s._allocate_buffer)
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/* pfree: points to the function to call to free a dynamic array object. */
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#define PFREE(FP) \
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((FP)->_s._free_buffer == default_free ? 0 : (FP)->_s._free_buffer)
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#endif
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#ifdef TODO
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/* An "unbounded buffer" is when a buffer is supplied, but with no
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specified length. An example is the buffer argument to sprintf.
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*/
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#endif
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void
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_IO_str_init_static (sf, ptr, size, pstart)
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_IO_strfile *sf;
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char *ptr;
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int size;
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char *pstart;
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{
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_IO_FILE *fp = &sf->_sbf._f;
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if (size == 0)
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size = strlen (ptr);
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else if (size < 0)
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{
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/* If size is negative 'the characters are assumed to
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continue indefinitely.' This is kind of messy ... */
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int s;
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size = 512;
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/* Try increasing powers of 2, as long as we don't wrap around. */
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for (; s = 2*size, s > 0 && ptr + s > ptr && s < 0x4000000L; )
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size = s;
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/* Try increasing size as much as we can without wrapping around. */
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for (s = size >> 1; s > 0; s >>= 1)
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{
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if (ptr + size + s > ptr)
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size += s;
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}
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}
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INTUSE(_IO_setb) (fp, ptr, ptr + size, 0);
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fp->_IO_write_base = ptr;
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fp->_IO_read_base = ptr;
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fp->_IO_read_ptr = ptr;
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if (pstart)
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{
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fp->_IO_write_ptr = pstart;
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fp->_IO_write_end = ptr + size;
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fp->_IO_read_end = pstart;
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}
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else
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{
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fp->_IO_write_ptr = ptr;
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fp->_IO_write_end = ptr;
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fp->_IO_read_end = ptr+size;
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}
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/* A null _allocate_buffer function flags the strfile as being static. */
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sf->_s._allocate_buffer = (_IO_alloc_type) 0;
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}
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INTDEF(_IO_str_init_static)
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void
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_IO_str_init_readonly (sf, ptr, size)
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_IO_strfile *sf;
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const char *ptr;
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int size;
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{
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INTUSE(_IO_str_init_static) (sf, (char *) ptr, size, NULL);
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sf->_sbf._f._IO_file_flags |= _IO_NO_WRITES;
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}
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int
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_IO_str_overflow (fp, c)
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_IO_FILE *fp;
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int c;
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{
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int flush_only = c == EOF;
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_IO_size_t pos;
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if (fp->_flags & _IO_NO_WRITES)
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return flush_only ? 0 : EOF;
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if ((fp->_flags & _IO_TIED_PUT_GET) && !(fp->_flags & _IO_CURRENTLY_PUTTING))
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{
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fp->_flags |= _IO_CURRENTLY_PUTTING;
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fp->_IO_write_ptr = fp->_IO_read_ptr;
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fp->_IO_read_ptr = fp->_IO_read_end;
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}
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pos = fp->_IO_write_ptr - fp->_IO_write_base;
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if (pos >= (_IO_size_t) (_IO_blen (fp) + flush_only))
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{
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if (fp->_flags & _IO_USER_BUF) /* not allowed to enlarge */
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return EOF;
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else
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{
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char *new_buf;
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char *old_buf = fp->_IO_buf_base;
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_IO_size_t new_size = 2 * _IO_blen (fp) + 100;
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new_buf
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= (char *) (*((_IO_strfile *) fp)->_s._allocate_buffer) (new_size);
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if (new_buf == NULL)
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{
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/* __ferror(fp) = 1; */
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return EOF;
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}
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if (old_buf)
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{
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memcpy (new_buf, old_buf, _IO_blen (fp));
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(*((_IO_strfile *) fp)->_s._free_buffer) (old_buf);
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/* Make sure _IO_setb won't try to delete _IO_buf_base. */
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fp->_IO_buf_base = NULL;
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}
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#if 0
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if (lenp == &LEN(fp)) /* use '\0'-filling */
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memset (new_buf + pos, 0, blen() - pos);
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#endif
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INTUSE(_IO_setb) (fp, new_buf, new_buf + new_size, 1);
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fp->_IO_read_base = new_buf + (fp->_IO_read_base - old_buf);
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fp->_IO_read_ptr = new_buf + (fp->_IO_read_ptr - old_buf);
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fp->_IO_read_end = new_buf + (fp->_IO_read_end - old_buf);
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fp->_IO_write_ptr = new_buf + (fp->_IO_write_ptr - old_buf);
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fp->_IO_write_base = new_buf;
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fp->_IO_write_end = fp->_IO_buf_end;
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}
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}
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if (!flush_only)
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*fp->_IO_write_ptr++ = (unsigned char) c;
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if (fp->_IO_write_ptr > fp->_IO_read_end)
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fp->_IO_read_end = fp->_IO_write_ptr;
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return c;
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}
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INTDEF(_IO_str_overflow)
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int
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_IO_str_underflow (fp)
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_IO_FILE *fp;
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{
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if (fp->_IO_write_ptr > fp->_IO_read_end)
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fp->_IO_read_end = fp->_IO_write_ptr;
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if ((fp->_flags & _IO_TIED_PUT_GET) && (fp->_flags & _IO_CURRENTLY_PUTTING))
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{
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fp->_flags &= ~_IO_CURRENTLY_PUTTING;
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fp->_IO_read_ptr = fp->_IO_write_ptr;
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fp->_IO_write_ptr = fp->_IO_write_end;
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}
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if (fp->_IO_read_ptr < fp->_IO_read_end)
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return *((unsigned char *) fp->_IO_read_ptr);
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else
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return EOF;
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}
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INTDEF(_IO_str_underflow)
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/* The size of the valid part of the buffer. */
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_IO_ssize_t
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_IO_str_count (fp)
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_IO_FILE *fp;
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{
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return ((fp->_IO_write_ptr > fp->_IO_read_end
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? fp->_IO_write_ptr : fp->_IO_read_end)
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- fp->_IO_read_base);
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}
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_IO_off64_t
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_IO_str_seekoff (fp, offset, dir, mode)
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_IO_FILE *fp;
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_IO_off64_t offset;
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int dir;
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int mode;
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{
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_IO_off64_t new_pos;
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if (mode == 0 && (fp->_flags & _IO_TIED_PUT_GET))
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mode = (fp->_flags & _IO_CURRENTLY_PUTTING ? _IOS_OUTPUT : _IOS_INPUT);
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if (mode == 0)
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{
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/* Don't move any pointers. But there is no clear indication what
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mode FP is in. Let's guess. */
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if (fp->_IO_file_flags & _IO_NO_WRITES)
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new_pos = fp->_IO_read_ptr - fp->_IO_read_base;
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else
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new_pos = fp->_IO_write_ptr - fp->_IO_write_base;
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}
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else
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{
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_IO_ssize_t cur_size = _IO_str_count(fp);
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new_pos = EOF;
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/* Move the get pointer, if requested. */
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if (mode & _IOS_INPUT)
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{
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switch (dir)
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{
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case _IO_seek_end:
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offset += cur_size;
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break;
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case _IO_seek_cur:
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offset += fp->_IO_read_ptr - fp->_IO_read_base;
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break;
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default: /* case _IO_seek_set: */
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break;
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}
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if (offset < 0 || (_IO_ssize_t) offset > cur_size)
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return EOF;
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fp->_IO_read_ptr = fp->_IO_read_base + offset;
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fp->_IO_read_end = fp->_IO_read_base + cur_size;
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new_pos = offset;
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}
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/* Move the put pointer, if requested. */
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if (mode & _IOS_OUTPUT)
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{
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switch (dir)
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{
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case _IO_seek_end:
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offset += cur_size;
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break;
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case _IO_seek_cur:
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offset += fp->_IO_write_ptr - fp->_IO_write_base;
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break;
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default: /* case _IO_seek_set: */
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break;
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}
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if (offset < 0 || (_IO_ssize_t) offset > cur_size)
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return EOF;
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fp->_IO_write_ptr = fp->_IO_write_base + offset;
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new_pos = offset;
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}
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}
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return new_pos;
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}
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INTDEF(_IO_str_seekoff)
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int
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_IO_str_pbackfail (fp, c)
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_IO_FILE *fp;
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int c;
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{
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if ((fp->_flags & _IO_NO_WRITES) && c != EOF)
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return EOF;
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return INTUSE(_IO_default_pbackfail) (fp, c);
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}
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INTDEF(_IO_str_pbackfail)
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void
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_IO_str_finish (fp, dummy)
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_IO_FILE *fp;
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int dummy;
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{
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if (fp->_IO_buf_base && !(fp->_flags & _IO_USER_BUF))
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(((_IO_strfile *) fp)->_s._free_buffer) (fp->_IO_buf_base);
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fp->_IO_buf_base = NULL;
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INTUSE(_IO_default_finish) (fp, 0);
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}
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struct _IO_jump_t _IO_str_jumps =
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{
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JUMP_INIT_DUMMY,
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JUMP_INIT(finish, _IO_str_finish),
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JUMP_INIT(overflow, INTUSE(_IO_str_overflow)),
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JUMP_INIT(underflow, INTUSE(_IO_str_underflow)),
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JUMP_INIT(uflow, INTUSE(_IO_default_uflow)),
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JUMP_INIT(pbackfail, INTUSE(_IO_str_pbackfail)),
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JUMP_INIT(xsputn, INTUSE(_IO_default_xsputn)),
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JUMP_INIT(xsgetn, INTUSE(_IO_default_xsgetn)),
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JUMP_INIT(seekoff, INTUSE(_IO_str_seekoff)),
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JUMP_INIT(seekpos, _IO_default_seekpos),
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JUMP_INIT(setbuf, _IO_default_setbuf),
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JUMP_INIT(sync, _IO_default_sync),
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JUMP_INIT(doallocate, INTUSE(_IO_default_doallocate)),
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JUMP_INIT(read, _IO_default_read),
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JUMP_INIT(write, _IO_default_write),
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JUMP_INIT(seek, _IO_default_seek),
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JUMP_INIT(close, _IO_default_close),
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JUMP_INIT(stat, _IO_default_stat),
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JUMP_INIT(showmanyc, _IO_default_showmanyc),
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JUMP_INIT(imbue, _IO_default_imbue)
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};
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