mirror of
git://sourceware.org/git/newlib-cygwin.git
synced 2025-01-15 11:00:04 +08:00
c87be3e4d6
* libc/signal/signal.c (_signal_r) : Removed unused local variable temp. * libc/stdio/findfp.c (std): Added declaration of flags and file. * libc/stdio/mktemp.c (_gettemp, _mkstemp_r, mkstemp): Added int return type. * libc/stdio/putchar.c (putchar): Added return statement. * libc/stdio/refill.c (lflush): Added correct parentheses. * libc/stdio/vfprintf.c (_VFPRINTF_R): Ditto. * libc/stdio/vfscanf.c (__svfscanf): Changed sprintf call which prints long value to use l qualifier. * libc/stdlib/dtoa.c (_dtoa_r): Added parentheses to remove warning messages and initialized local values: ilim, ilim1, and spec_case. * libc/stdlib/ecvtbuf.c (print_e): Removed unused variable dp. * libc/stdlib/mbctype.h (_issjis1, _issjis2): Added parentheses. * libc/stdlib/mprec.c: Ditto. * libc/stdlib/setenv_r.c: Ditto. * libc/stdlib/strtod.c: Ditto. * libc/stdlib/strtol.c: Ditto. * libc/stdlib/strtoul.c: Ditto. * libm/common/sf_expm1.c: Added curly braces to if else clauses. * libm/common/sf_log1p.c: Ditto. * libm/common/sf_scalbn.c: Ditto. * libm/math/ef_log.c: Ditto.
114 lines
2.7 KiB
C
114 lines
2.7 KiB
C
/* No user fns here. Pesch 15apr92. */
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/*
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that the above copyright notice and this paragraph are
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* duplicated in all such forms and that any documentation,
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* advertising materials, and other materials related to such
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* distribution and use acknowledge that the software was developed
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* by the University of California, Berkeley. The name of the
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* University may not be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*/
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#include <stdio.h>
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#include "local.h"
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#include <stdlib.h>
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static int
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lflush (fp)
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FILE *fp;
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{
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if ((fp->_flags & (__SLBF | __SWR)) == (__SLBF | __SWR))
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return fflush (fp);
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return 0;
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}
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/*
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* Refill a stdio buffer.
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* Return EOF on eof or error, 0 otherwise.
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*/
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int
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_DEFUN (__srefill, (fp),
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register FILE * fp)
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{
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/* make sure stdio is set up */
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CHECK_INIT (fp);
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fp->_r = 0; /* largely a convenience for callers */
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/* SysV does not make this test; take it out for compatibility */
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if (fp->_flags & __SEOF)
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return EOF;
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/* if not already reading, have to be reading and writing */
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if ((fp->_flags & __SRD) == 0)
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{
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if ((fp->_flags & __SRW) == 0)
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return EOF;
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/* switch to reading */
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if (fp->_flags & __SWR)
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{
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if (fflush (fp))
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return EOF;
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fp->_flags &= ~__SWR;
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fp->_w = 0;
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fp->_lbfsize = 0;
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}
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fp->_flags |= __SRD;
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}
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else
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{
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/*
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* We were reading. If there is an ungetc buffer,
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* we must have been reading from that. Drop it,
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* restoring the previous buffer (if any). If there
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* is anything in that buffer, return.
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*/
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if (HASUB (fp))
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{
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FREEUB (fp);
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if ((fp->_r = fp->_ur) != 0)
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{
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fp->_p = fp->_up;
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return 0;
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}
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}
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}
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if (fp->_bf._base == NULL)
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__smakebuf (fp);
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/*
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* Before reading from a line buffered or unbuffered file,
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* flush all line buffered output files, per the ANSI C
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* standard.
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*/
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if (fp->_flags & (__SLBF | __SNBF))
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(void) _fwalk (fp->_data, lflush);
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fp->_p = fp->_bf._base;
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fp->_r = (*fp->_read) (fp->_cookie, (char *) fp->_p, fp->_bf._size);
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fp->_flags &= ~__SMOD; /* buffer contents are again pristine */
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if (fp->_r <= 0)
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{
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if (fp->_r == 0)
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fp->_flags |= __SEOF;
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else
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{
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fp->_r = 0;
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fp->_flags |= __SERR;
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}
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return EOF;
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}
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return 0;
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}
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