From 4fdfe821e20a70670b3d03deb2abed5d8c83e51b Mon Sep 17 00:00:00 2001 From: Andreas Schwab Date: Thu, 1 May 2014 15:50:27 +0200 Subject: Correctly handle %p in wprintf (BZ #16890) --- stdio-common/tstdiomisc.c | 19 +++++++++++++++++++ stdio-common/vfprintf.c | 3 ++- 2 files changed, 21 insertions(+), 1 deletion(-) (limited to 'stdio-common') diff --git a/stdio-common/tstdiomisc.c b/stdio-common/tstdiomisc.c index 5a25ecc9f0..2e0663a5e5 100644 --- a/stdio-common/tstdiomisc.c +++ b/stdio-common/tstdiomisc.c @@ -46,6 +46,24 @@ t2 (void) return result; } +static int +t3 (void) +{ + char buf[80]; + wchar_t wbuf[80]; + int result = 0; + int retval; + + retval = sprintf (buf, "%p", (char *) NULL); + result |= retval != 5 || strcmp (buf, "(nil)") != 0; + + retval = swprintf (wbuf, sizeof (wbuf) / sizeof (wbuf[0]), + L"%p", (char *) NULL); + result |= retval != 5 || wcscmp (wbuf, L"(nil)") != 0; + + return result; +} + volatile double qnanval; volatile long double lqnanval; /* A sNaN is only guaranteed to be representable in variables with static (or @@ -243,6 +261,7 @@ main (int argc, char *argv[]) result |= t1 (); result |= t2 (); + result |= t3 (); result |= F (); result |= fflush (stdout) == EOF; diff --git a/stdio-common/vfprintf.c b/stdio-common/vfprintf.c index f7e5f61cc8..c4ff8334b2 100644 --- a/stdio-common/vfprintf.c +++ b/stdio-common/vfprintf.c @@ -936,7 +936,8 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap) /* Make sure the full string "(nil)" is printed. */ \ if (prec < 5) \ prec = 5; \ - is_long = 0; /* This is no wide-char string. */ \ + /* This is a wide string iff compiling wprintf. */ \ + is_long = sizeof (CHAR_T) > 1; \ goto LABEL (print_string); \ } \ } \ -- cgit 1.4.1