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

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import newlib-2000-02-17 snapshot
2000-02-18 03:39:52 +08:00
/*
* Copyright (c) 1990 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 MERCHANTIBILITY 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
2000-02-18 03:39:52 +08:00
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>
#include <time.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/types.h>
/*
* Return the (stdio) flags for a given mode. Store the flags
* to be passed to an open() syscall through *optr.
* Return 0 on error.
*/
int
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
_DEFUN(__sflags, (ptr, mode, optr),
struct _reent *ptr _AND
register char *mode _AND
int *optr)
import newlib-2000-02-17 snapshot
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{
register int ret, m, o;
switch (mode[0])
{
case 'r': /* open for reading */
ret = __SRD;
m = O_RDONLY;
o = 0;
break;
case 'w': /* open for writing */
ret = __SWR;
m = O_WRONLY;
o = O_CREAT | O_TRUNC;
break;
case 'a': /* open for appending */
ret = __SWR | __SAPP;
m = O_WRONLY;
o = O_CREAT | O_APPEND;
break;
default: /* illegal mode */
ptr->_errno = EINVAL;
return (0);
}
* libc/stdio/flags.c (__sflags): Rewrite recognition of extended mode flags to just loop over more allowed flags. Support glibc 'e' flag on systems defining _GLIBC_EXTENSION. Support C11 'x' flag.
2012-08-21 22:51:50 +08:00
while (*++mode)
import newlib-2000-02-17 snapshot
2000-02-18 03:39:52 +08:00
{
* libc/stdio/flags.c (__sflags): Rewrite recognition of extended mode flags to just loop over more allowed flags. Support glibc 'e' flag on systems defining _GLIBC_EXTENSION. Support C11 'x' flag.
2012-08-21 22:51:50 +08:00
switch (*mode)
{
case '+':
ret = (ret & ~(__SRD | __SWR)) | __SRW;
m = (m & ~O_ACCMODE) | O_RDWR;
break;
case 'b':
* libc/stdio/flags.c (__sflags): Guard against using O_BINARY on systems which do not provide it.
2012-08-23 12:19:59 +08:00
#ifdef O_BINARY
* libc/stdio/flags.c (__sflags): Rewrite recognition of extended mode flags to just loop over more allowed flags. Support glibc 'e' flag on systems defining _GLIBC_EXTENSION. Support C11 'x' flag.
2012-08-21 22:51:50 +08:00
m |= O_BINARY;
* libc/stdio/flags.c (__sflags): Guard against using O_BINARY on systems which do not provide it.
2012-08-23 12:19:59 +08:00
#endif
* libc/stdio/flags.c (__sflags): Rewrite recognition of extended mode flags to just loop over more allowed flags. Support glibc 'e' flag on systems defining _GLIBC_EXTENSION. Support C11 'x' flag.
2012-08-21 22:51:50 +08:00
break;
import newlib-2000-02-17 snapshot
2000-02-18 03:39:52 +08:00
#ifdef __CYGWIN__
* libc/stdio/flags.c (__sflags): Rewrite recognition of extended mode flags to just loop over more allowed flags. Support glibc 'e' flag on systems defining _GLIBC_EXTENSION. Support C11 'x' flag.
2012-08-21 22:51:50 +08:00
case 't':
m |= O_TEXT;
break;
import newlib-2000-02-17 snapshot
2000-02-18 03:39:52 +08:00
#endif
* libc/stdio/flags.c (__sflags): Rewrite recognition of extended mode flags to just loop over more allowed flags. Support glibc 'e' flag on systems defining _GLIBC_EXTENSION. Support C11 'x' flag.
2012-08-21 22:51:50 +08:00
#if defined (O_CLOEXEC) && defined (_GLIBC_EXTENSION)
case 'e':
m |= O_CLOEXEC;
break;
import newlib-2000-02-17 snapshot
2000-02-18 03:39:52 +08:00
#endif
* libc/stdio/flags.c (__sflags): Rewrite recognition of extended mode flags to just loop over more allowed flags. Support glibc 'e' flag on systems defining _GLIBC_EXTENSION. Support C11 'x' flag.
2012-08-21 22:51:50 +08:00
case 'x':
m |= O_EXCL;
break;
default:
break;
}
import newlib-2000-02-17 snapshot
2000-02-18 03:39:52 +08:00
}
* libc/stdio/flags.c (__sflags): Rewrite recognition of extended mode flags to just loop over more allowed flags. Support glibc 'e' flag on systems defining _GLIBC_EXTENSION. Support C11 'x' flag.
2012-08-21 22:51:50 +08:00
#if defined (O_TEXT) && !defined (__CYGWIN__)
if (!(m | O_BINARY))
m |= O_TEXT;
#endif
import newlib-2000-02-17 snapshot
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*optr = m | o;
return ret;
}