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Silence some false positive warnings for gcc 4.7

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This commit is contained in:
Chris Metcalf
2016-01-20 17:07:51 -05:00
parent a3140836c8
commit 2a9feb9277
3 changed files with 25 additions and 0 deletions
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10
stdio-common/vfscanf.c
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@ -27,6 +27,7 @@
#include <string.h>
#include <wchar.h>
#include <wctype.h>
#include <libc-internal.h>
#include <libc-lock.h>
#include <locale/localeinfo.h>
#include <scratch_buffer.h>
@ -1535,6 +1536,13 @@ _IO_vfscanf_internal (_IO_FILE *s, const char *format, _IO_va_list argptr,
{
/* Get the string for the digits with value N. */
#ifdef COMPILE_WSCANF
/* wcdigits_extended[] is fully set in the loop
above, but the test for "map != NULL" is done
inside the loop here and outside the loop there. */
DIAG_PUSH_NEEDS_COMMENT;
DIAG_IGNORE_NEEDS_COMMENT (4.7, "-Wmaybe-uninitialized");
if (__glibc_unlikely (map != NULL))
wcdigits[n] = wcdigits_extended[n];
else
@ -1542,6 +1550,8 @@ _IO_vfscanf_internal (_IO_FILE *s, const char *format, _IO_va_list argptr,
_NL_CURRENT (LC_CTYPE, _NL_CTYPE_INDIGITS0_WC + n);
wcdigits[n] += from_level;
DIAG_POP_NEEDS_COMMENT;
if (c == (wint_t) *wcdigits[n])
{
to_level = from_level;