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newlib-cygwin/newlib/libc/stdio/rget.c

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import newlib-2000-02-17 snapshot
2000-02-18 03:39:52 +08:00
/*
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley. The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
2004-04-23 Artem B. Bityuckiy <abitytsky@softminecorp.com> * libc/stdio/asprintf.c libc/stdio/clearerr.c, libc/stdio/fclose.c libc/stdio/fcloseall.c libc/stdio/fdopen.c, libc/stdio/feof.c libc/stdio/ferror.c libc/stdio/fflush.c, libc/stdio/fgetc.c libc/stdio/fgetpos.c libc/stdio/fgets.c, libc/stdio/fileno.c libc/stdio/findfp.c libc/stdio/fiprintf.c, libc/stdio/flags.c libc/stdio/fopen.c libc/stdio/fprintf.c, libc/stdio/fputc.c libc/stdio/fputs.c libc/stdio/fread.c, libc/stdio/freopen.c libc/stdio/fscanf.c libc/stdio/fseek.c, libc/stdio/fseeko.c libc/stdio/fsetpos.c libc/stdio/ftell.c, libc/stdio/ftello.c libc/stdio/fvwrite.c libc/stdio/fwalk.c, libc/stdio/fwrite.c libc/stdio/getc.c libc/stdio/getc_u.c, libc/stdio/getchar.c libc/stdio/getchar_u.c, libc/stdio/getdelim.c libc/stdio/getline.c libc/stdio/gets.c, libc/stdio/getw.c libc/stdio/iprintf.c libc/stdio/local.h, libc/stdio/makebuf.c libc/stdio/mktemp.c libc/stdio/perror.c, libc/stdio/printf.c libc/stdio/putc.c libc/stdio/putc_u.c, libc/stdio/putchar.c libc/stdio/putchar_u.c libc/stdio/puts.c, libc/stdio/putw.c libc/stdio/refill.c libc/stdio/remove.c, libc/stdio/rename.c libc/stdio/rewind.c libc/stdio/rget.c, libc/stdio/scanf.c libc/stdio/setbuf.c libc/stdio/setbuffer.c, libc/stdio/setlinebuf.c libc/stdio/setvbuf.c, libc/stdio/siprintf.c libc/stdio/snprintf.c, libc/stdio/sprintf.c libc/stdio/sscanf.c libc/stdio/stdio.c, libc/stdio/tmpfile.c libc/stdio/tmpnam.c libc/stdio/ungetc.c, libc/stdio/vasprintf.c libc/stdio/vfieeefp.h, libc/stdio/vfprintf.c libc/stdio/vfscanf.c, libc/stdio/vprintf.c libc/stdio/vscanf.c, libc/stdio/vsnprintf.c libc/stdio/vsprintf.c, libc/stdio/vsscanf.c libc/stdio/wbuf.c, libc/stdio/wsetup.c: Perform minor formatting changes. Move copyright notices to top of file, ensure that <_ansi.h> is included, be consistent with open parentheses, use _DEFUN macro, include "local.h" where needed, and remove various compiler warnings.
2004-04-24 04:01:55 +08:00
/* No user fns here. Pesch 15apr92. */
import newlib-2000-02-17 snapshot
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#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "%W% (Berkeley) %G%";
#endif /* LIBC_SCCS and not lint */
2004-04-23 Artem B. Bityuckiy <abitytsky@softminecorp.com> * libc/stdio/asprintf.c libc/stdio/clearerr.c, libc/stdio/fclose.c libc/stdio/fcloseall.c libc/stdio/fdopen.c, libc/stdio/feof.c libc/stdio/ferror.c libc/stdio/fflush.c, libc/stdio/fgetc.c libc/stdio/fgetpos.c libc/stdio/fgets.c, libc/stdio/fileno.c libc/stdio/findfp.c libc/stdio/fiprintf.c, libc/stdio/flags.c libc/stdio/fopen.c libc/stdio/fprintf.c, libc/stdio/fputc.c libc/stdio/fputs.c libc/stdio/fread.c, libc/stdio/freopen.c libc/stdio/fscanf.c libc/stdio/fseek.c, libc/stdio/fseeko.c libc/stdio/fsetpos.c libc/stdio/ftell.c, libc/stdio/ftello.c libc/stdio/fvwrite.c libc/stdio/fwalk.c, libc/stdio/fwrite.c libc/stdio/getc.c libc/stdio/getc_u.c, libc/stdio/getchar.c libc/stdio/getchar_u.c, libc/stdio/getdelim.c libc/stdio/getline.c libc/stdio/gets.c, libc/stdio/getw.c libc/stdio/iprintf.c libc/stdio/local.h, libc/stdio/makebuf.c libc/stdio/mktemp.c libc/stdio/perror.c, libc/stdio/printf.c libc/stdio/putc.c libc/stdio/putc_u.c, libc/stdio/putchar.c libc/stdio/putchar_u.c libc/stdio/puts.c, libc/stdio/putw.c libc/stdio/refill.c libc/stdio/remove.c, libc/stdio/rename.c libc/stdio/rewind.c libc/stdio/rget.c, libc/stdio/scanf.c libc/stdio/setbuf.c libc/stdio/setbuffer.c, libc/stdio/setlinebuf.c libc/stdio/setvbuf.c, libc/stdio/siprintf.c libc/stdio/snprintf.c, libc/stdio/sprintf.c libc/stdio/sscanf.c libc/stdio/stdio.c, libc/stdio/tmpfile.c libc/stdio/tmpnam.c libc/stdio/ungetc.c, libc/stdio/vasprintf.c libc/stdio/vfieeefp.h, libc/stdio/vfprintf.c libc/stdio/vfscanf.c, libc/stdio/vprintf.c libc/stdio/vscanf.c, libc/stdio/vsnprintf.c libc/stdio/vsprintf.c, libc/stdio/vsscanf.c libc/stdio/wbuf.c, libc/stdio/wsetup.c: Perform minor formatting changes. Move copyright notices to top of file, ensure that <_ansi.h> is included, be consistent with open parentheses, use _DEFUN macro, include "local.h" where needed, and remove various compiler warnings.
2004-04-24 04:01:55 +08:00
#include <_ansi.h>
import newlib-2000-02-17 snapshot
2000-02-18 03:39:52 +08:00
#include <stdio.h>
2006-06-14 Jeff Johnston <jjohnstn@redhat.com> * libc/include/stdio.h: Add new reentrant I/O prototypes for read/write functions. Change getc/putc macros to have reentrant underlying macros/functions. This includes __sgetc_raw_r, __sgetc_r, and __sputc_r. * libc/stdio/fgetc.c: Fix and/or add reentrant version to call new reentrant I/O functions/macros for reading/writing. * libc/stdio/fgets.c: Ditto. * libc/stdio/fputc.c: Ditto. * libc/stdio/fputs.c: Ditto. * libc/stdio/fread.c: Ditto. * libc/stdio/fseek.c: Ditto. * libc/stdio64/fseeko64.c: Ditto. * libc/stdio/fwrite.c: Ditto. * libc/stdio/getc.c: Ditto. * libc/stdio/getc_u.c: Ditto. * libc/stdio/getchar.c: Ditto. * libc/stdio/getchar_u.c: Ditto. * libc/stdio/putc.c: Ditto. * libc/stdio/putc_u.c: Ditto. * libc/stdio/putchar.c: Ditto. * libc/stdio/puts.c: Ditto. * libc/stdio/vfprintf.c: Ditto. * libc/stdio/vfscanf.c: Ditto. * libc/stdio/fvwrite.c: Change __sfvwrite into reentrant __sfvwrite_r. Change all previous callers of __sfvwrite. Set errno to EBADF and set error flag on if attempt is made to write to file that does not allow writing. * libc/stdio/fvwrite.h: Fix new reentrant prototypes. * libc/stdio/local.h: Ditto. * libc/stdio/refill.c: Turn __srefill into reentrant __srefill_r. Set errno to EBADF and the error flag on if attempt is made to read unreadable file. Change all previous callers of __srefill. * libc/stdio/rget.c * libc/stdio/wbuf.c: Turn __swbuf into reentrant __swbuf_r. Change all previous callers of __swbuf. * libc/sys/linux/machine/i386/huge_val.h: Ifdef out file contents since huge value macros are already defined correctly for i386 by <math.h>.
2006-06-15 04:49:11 +08:00
#include <errno.h>
import newlib-2000-02-17 snapshot
2000-02-18 03:39:52 +08:00
#include "local.h"
/*
* Handle getc() when the buffer ran out:
* Refill, then return the first character
* in the newly-filled buffer.
*/
int
2006-06-14 Jeff Johnston <jjohnstn@redhat.com> * libc/include/stdio.h: Add new reentrant I/O prototypes for read/write functions. Change getc/putc macros to have reentrant underlying macros/functions. This includes __sgetc_raw_r, __sgetc_r, and __sputc_r. * libc/stdio/fgetc.c: Fix and/or add reentrant version to call new reentrant I/O functions/macros for reading/writing. * libc/stdio/fgets.c: Ditto. * libc/stdio/fputc.c: Ditto. * libc/stdio/fputs.c: Ditto. * libc/stdio/fread.c: Ditto. * libc/stdio/fseek.c: Ditto. * libc/stdio64/fseeko64.c: Ditto. * libc/stdio/fwrite.c: Ditto. * libc/stdio/getc.c: Ditto. * libc/stdio/getc_u.c: Ditto. * libc/stdio/getchar.c: Ditto. * libc/stdio/getchar_u.c: Ditto. * libc/stdio/putc.c: Ditto. * libc/stdio/putc_u.c: Ditto. * libc/stdio/putchar.c: Ditto. * libc/stdio/puts.c: Ditto. * libc/stdio/vfprintf.c: Ditto. * libc/stdio/vfscanf.c: Ditto. * libc/stdio/fvwrite.c: Change __sfvwrite into reentrant __sfvwrite_r. Change all previous callers of __sfvwrite. Set errno to EBADF and set error flag on if attempt is made to write to file that does not allow writing. * libc/stdio/fvwrite.h: Fix new reentrant prototypes. * libc/stdio/local.h: Ditto. * libc/stdio/refill.c: Turn __srefill into reentrant __srefill_r. Set errno to EBADF and the error flag on if attempt is made to read unreadable file. Change all previous callers of __srefill. * libc/stdio/rget.c * libc/stdio/wbuf.c: Turn __swbuf into reentrant __swbuf_r. Change all previous callers of __swbuf. * libc/sys/linux/machine/i386/huge_val.h: Ifdef out file contents since huge value macros are already defined correctly for i386 by <math.h>.
2006-06-15 04:49:11 +08:00
_DEFUN(__srget_r, (ptr, fp),
struct _reent *ptr _AND
2004-04-23 Artem B. Bityuckiy <abitytsky@softminecorp.com> * libc/stdio/asprintf.c libc/stdio/clearerr.c, libc/stdio/fclose.c libc/stdio/fcloseall.c libc/stdio/fdopen.c, libc/stdio/feof.c libc/stdio/ferror.c libc/stdio/fflush.c, libc/stdio/fgetc.c libc/stdio/fgetpos.c libc/stdio/fgets.c, libc/stdio/fileno.c libc/stdio/findfp.c libc/stdio/fiprintf.c, libc/stdio/flags.c libc/stdio/fopen.c libc/stdio/fprintf.c, libc/stdio/fputc.c libc/stdio/fputs.c libc/stdio/fread.c, libc/stdio/freopen.c libc/stdio/fscanf.c libc/stdio/fseek.c, libc/stdio/fseeko.c libc/stdio/fsetpos.c libc/stdio/ftell.c, libc/stdio/ftello.c libc/stdio/fvwrite.c libc/stdio/fwalk.c, libc/stdio/fwrite.c libc/stdio/getc.c libc/stdio/getc_u.c, libc/stdio/getchar.c libc/stdio/getchar_u.c, libc/stdio/getdelim.c libc/stdio/getline.c libc/stdio/gets.c, libc/stdio/getw.c libc/stdio/iprintf.c libc/stdio/local.h, libc/stdio/makebuf.c libc/stdio/mktemp.c libc/stdio/perror.c, libc/stdio/printf.c libc/stdio/putc.c libc/stdio/putc_u.c, libc/stdio/putchar.c libc/stdio/putchar_u.c libc/stdio/puts.c, libc/stdio/putw.c libc/stdio/refill.c libc/stdio/remove.c, libc/stdio/rename.c libc/stdio/rewind.c libc/stdio/rget.c, libc/stdio/scanf.c libc/stdio/setbuf.c libc/stdio/setbuffer.c, libc/stdio/setlinebuf.c libc/stdio/setvbuf.c, libc/stdio/siprintf.c libc/stdio/snprintf.c, libc/stdio/sprintf.c libc/stdio/sscanf.c libc/stdio/stdio.c, libc/stdio/tmpfile.c libc/stdio/tmpnam.c libc/stdio/ungetc.c, libc/stdio/vasprintf.c libc/stdio/vfieeefp.h, libc/stdio/vfprintf.c libc/stdio/vfscanf.c, libc/stdio/vprintf.c libc/stdio/vscanf.c, libc/stdio/vsnprintf.c libc/stdio/vsprintf.c, libc/stdio/vsscanf.c libc/stdio/wbuf.c, libc/stdio/wsetup.c: Perform minor formatting changes. Move copyright notices to top of file, ensure that <_ansi.h> is included, be consistent with open parentheses, use _DEFUN macro, include "local.h" where needed, and remove various compiler warnings.
2004-04-24 04:01:55 +08:00
register FILE *fp)
import newlib-2000-02-17 snapshot
2000-02-18 03:39:52 +08:00
{
2008-03-11 Jeff Johnston <jjohnstn@redhat.com> * libc/stdio/rgetc.c (__srget): Invoke CHECK_INIT to ensure stdin gets resolved properly before refilling.
2008-03-12 03:08:39 +08:00
/* Ensure that any fake std stream is resolved before
we call __srefill_r so we may access the true read buffer. */
CHECK_INIT(fp);
2006-06-14 Jeff Johnston <jjohnstn@redhat.com> * libc/include/stdio.h: Add new reentrant I/O prototypes for read/write functions. Change getc/putc macros to have reentrant underlying macros/functions. This includes __sgetc_raw_r, __sgetc_r, and __sputc_r. * libc/stdio/fgetc.c: Fix and/or add reentrant version to call new reentrant I/O functions/macros for reading/writing. * libc/stdio/fgets.c: Ditto. * libc/stdio/fputc.c: Ditto. * libc/stdio/fputs.c: Ditto. * libc/stdio/fread.c: Ditto. * libc/stdio/fseek.c: Ditto. * libc/stdio64/fseeko64.c: Ditto. * libc/stdio/fwrite.c: Ditto. * libc/stdio/getc.c: Ditto. * libc/stdio/getc_u.c: Ditto. * libc/stdio/getchar.c: Ditto. * libc/stdio/getchar_u.c: Ditto. * libc/stdio/putc.c: Ditto. * libc/stdio/putc_u.c: Ditto. * libc/stdio/putchar.c: Ditto. * libc/stdio/puts.c: Ditto. * libc/stdio/vfprintf.c: Ditto. * libc/stdio/vfscanf.c: Ditto. * libc/stdio/fvwrite.c: Change __sfvwrite into reentrant __sfvwrite_r. Change all previous callers of __sfvwrite. Set errno to EBADF and set error flag on if attempt is made to write to file that does not allow writing. * libc/stdio/fvwrite.h: Fix new reentrant prototypes. * libc/stdio/local.h: Ditto. * libc/stdio/refill.c: Turn __srefill into reentrant __srefill_r. Set errno to EBADF and the error flag on if attempt is made to read unreadable file. Change all previous callers of __srefill. * libc/stdio/rget.c * libc/stdio/wbuf.c: Turn __swbuf into reentrant __swbuf_r. Change all previous callers of __swbuf. * libc/sys/linux/machine/i386/huge_val.h: Ifdef out file contents since huge value macros are already defined correctly for i386 by <math.h>.
2006-06-15 04:49:11 +08:00
if (__srefill_r (ptr, fp) == 0)
import newlib-2000-02-17 snapshot
2000-02-18 03:39:52 +08:00
{
fp->_r--;
return *fp->_p++;
}
return EOF;
}
2006-06-15 Corinna Vinschen <corinna@vinschen.de> * libc/include/stdio.h (__sgetc_r): Fix typo. * libc/stdio/fread.c (_fread_r): Convert crlf calls to crlf_r. * libc/stdio/rget.c (__srbuf): Reinstantiate. * libc/stdio/wbuf.c (__swbuf): Ditto.
2006-06-16 00:08:09 +08:00
/* This function isn't any longer declared in stdio.h, but it's
required for backward compatibility with applications built against
earlier dynamically built newlib libraries. */
int
_DEFUN(__srget, (fp),
register FILE *fp)
{
return __srget_r (_REENT, fp);
}