pngunknown: fix NO_STDIO build

pngunknown.c calls png_init_io (always), skip the test if there is no stdio.h
support.

Signed-off-by: John Bowler <jbowler@acm.org>
This commit is contained in:
John Bowler 2016-01-18 00:40:46 -08:00
parent e8558d2160
commit 777dbf46dc

View File

@ -34,6 +34,7 @@
* these must be defined:
*/
#if defined(PNG_SET_UNKNOWN_CHUNKS_SUPPORTED) &&\
defined(PNG_STDIO_SUPPORTED) &&\
defined(PNG_READ_SUPPORTED)
/* One of these must be defined to allow us to find out what happened. It is
@ -615,7 +616,7 @@ get_unknown(display *d, png_infop info_ptr, int after_IDAT)
return flags;
}
#else
#else /* SAVE_UNKNOWN_CHUNKS */
static png_uint_32
get_unknown(display *d, png_infop info_ptr, int after_IDAT)
/* Otherwise this will return the cached values set by any user callback */
@ -634,8 +635,8 @@ get_unknown(display *d, png_infop info_ptr, int after_IDAT)
* a check to ensure the logic is correct.
*/
# error No store support and no user chunk support, this will not work
# endif
#endif
# endif /* READ_USER_CHUNKS */
#endif /* SAVE_UNKNOWN_CHUNKS */
static int
check(FILE *fp, int argc, const char **argv, png_uint_32p flags/*out*/,