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[libpng17] Merge pngvalid.c with libpng-1.6.14beta04.

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This commit is contained in:
Glenn Randers-Pehrson 2014-09-27 19:30:35 -05:00
parent d7078c52e2
commit 776d1768aa
1 changed files with 17 additions and 15 deletions
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32
contrib/libtests/pngvalid.c
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@ -30,6 +30,20 @@
# include <config.h>
#endif
#ifdef HAVE_FEENABLEEXCEPT /* from config.h, if included */
# include <fenv.h>
#endif
#ifndef FE_DIVBYZERO
# define FE_DIVBYZERO 0
#endif
#ifndef FE_INVALID
# define FE_INVALID 0
#endif
#ifndef FE_OVERFLOW
# define FE_OVERFLOW 0
#endif
/* Define the following to use this test against your installed libpng, rather
* than the one being built here:
*/
@ -39,13 +53,6 @@
# include "../../png.h"
#endif
#ifdef PNG_FLOATING_ARITHMETIC_SUPPORTED
# ifdef HAVE_FEENABLEEXCEPT /* from config.h, if included */
# include <fenv.h>
# endif
#endif
#ifdef PNG_ZLIB_HEADER
# include PNG_ZLIB_HEADER
#else
@ -689,7 +696,7 @@ static png_uint_32
random_32(void)
{
for(;;)
for (;;)
{
png_byte mark[4];
png_uint_32 result;
@ -9965,11 +9972,9 @@ static void signal_handler(int signum)
pos = safecat(msg, sizeof msg, pos, "abort");
break;
#ifdef PNG_FLOATING_ARITHMETIC_SUPPORTED
case SIGFPE:
pos = safecat(msg, sizeof msg, pos, "floating point exception");
break;
#endif
case SIGILL:
pos = safecat(msg, sizeof msg, pos, "illegal instruction");
@ -10035,21 +10040,18 @@ int main(int argc, char **argv)
/* Add appropriate signal handlers, just the ANSI specified ones: */
signal(SIGABRT, signal_handler);
signal(SIGFPE, signal_handler);
signal(SIGILL, signal_handler);
signal(SIGINT, signal_handler);
signal(SIGSEGV, signal_handler);
signal(SIGTERM, signal_handler);
#ifdef PNG_FLOATING_ARITHMETIC_SUPPORTED
signal(SIGFPE, signal_handler);
# ifdef HAVE_FEENABLEEXCEPT
#ifdef HAVE_FEENABLEEXCEPT
/* Only required to enable FP exceptions on platforms where they start off
* disabled; this is not necessary but if it is not done pngvalid will likely
* end up ignoring FP conditions that other platforms fault.
*/
feenableexcept(FE_DIVBYZERO | FE_INVALID | FE_OVERFLOW);
# endif
#endif
modifier_init(&pm);