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* libio/wstrops.c (_IO_wstr_underflow): Clear errno before

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returning WEOF.
	* stdio-common/Makefile (tests): Add bug18a.
	* stdio-common/bug18a.c: New file.
This commit is contained in:
Ulrich Drepper 2007-07-07 21:38:43 +00:00
parent c2c7bd3f86
commit e9055017f6
5 changed files with 28 additions and 5 deletions
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5
ChangeLog
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@ -1,5 +1,10 @@
2007-07-07 Ulrich Drepper <drepper@redhat.com> 2007-07-07 Ulrich Drepper <drepper@redhat.com>
* libio/wstrops.c (_IO_wstr_underflow): Clear errno before
returning WEOF.
* stdio-common/Makefile (tests): Add bug18a.
* stdio-common/bug18a.c: New file.
[BZ #4745] [BZ #4745]
* libio/strops.c (_IO_str_underflow): Clear errno before returning * libio/strops.c (_IO_str_underflow): Clear errno before returning
EOF. EOF.

10
libio/wstrops.c
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@ -1,4 +1,5 @@
/* Copyright (C) 1993,1997-1999,2001-2004, 2006 Free Software Foundation, Inc. /* Copyright (C) 1993,1997-1999,2001-2004,2006,2007
Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or The GNU C Library is free software; you can redistribute it and/or
@ -154,7 +155,12 @@ _IO_wstr_underflow (fp)
if (fp->_wide_data->_IO_read_ptr < fp->_wide_data->_IO_read_end) if (fp->_wide_data->_IO_read_ptr < fp->_wide_data->_IO_read_end)
return *fp->_wide_data->_IO_read_ptr; return *fp->_wide_data->_IO_read_ptr;
else else
return WEOF; {
/* We have to reset errno since callers check for errno being
EINTR and there has been no such problem here. */
__set_errno (0);
return WEOF;
}
} }

2
stdio-common/Makefile
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@ -54,7 +54,7 @@ tests := tstscanf test_rdwr test-popen tstgetln test-fseek \
tst-swprintf tst-fseek tst-fmemopen test-vfprintf tst-gets \ tst-swprintf tst-fseek tst-fmemopen test-vfprintf tst-gets \
tst-perror tst-sprintf tst-rndseek tst-fdopen tst-fphex bug14 bug15 \ tst-perror tst-sprintf tst-rndseek tst-fdopen tst-fphex bug14 bug15 \
tst-popen tst-unlockedio tst-fmemopen2 tst-put-error tst-fgets \ tst-popen tst-unlockedio tst-fmemopen2 tst-put-error tst-fgets \
tst-fwrite bug16 bug17 tst-swscanf tst-sprintf2 bug18 tst-fwrite bug16 bug17 tst-swscanf tst-sprintf2 bug18 bug18a
test-srcs = tst-unbputc tst-printf test-srcs = tst-unbputc tst-printf

10
stdio-common/bug18.c
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@ -2,6 +2,12 @@
#include <errno.h> #include <errno.h>
#include <stdio.h> #include <stdio.h>
#ifndef CHAR
# define CHAR char
# define L(str) str
# define SSCANF sscanf
#endif
static int static int
do_test (void) do_test (void)
@ -11,11 +17,11 @@ do_test (void)
printf("checking sscanf\n"); printf("checking sscanf\n");
char str[] = "7-11"; CHAR str[] = L("7-11");
int i, j, n; int i, j, n;
i = j = n = 0; i = j = n = 0;
sscanf (str, " %i - %i %n", &i, &j, &n); SSCANF (str, L(" %i - %i %n"), &i, &j, &n);
printf ("found %i-%i (length=%i)\n", i, j, n); printf ("found %i-%i (length=%i)\n", i, j, n);
int result = 0; int result = 0;

6
stdio-common/bug18a.c Normal file
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@ -0,0 +1,6 @@
#include <wchar.h>
#define CHAR wchar_t
#define L(str) L##str
#define SSCANF swscanf
#include "bug18.c"