From c8ab44d29c3384210cd8f27533abfd0fb2205cc5 Mon Sep 17 00:00:00 2001 From: Tavian Barnes Date: Thu, 1 Apr 2010 15:40:19 -0400 Subject: Set errno on failures. --- libdimension/png-stubs.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'libdimension/png-stubs.c') diff --git a/libdimension/png-stubs.c b/libdimension/png-stubs.c index eca7697..db4a19d 100644 --- a/libdimension/png-stubs.c +++ b/libdimension/png-stubs.c @@ -19,35 +19,41 @@ *************************************************************************/ #include "dimension.h" +#include /* Stubs for PNG functions when compiled with --disable-png */ int dmnsn_png_optimize_canvas(dmnsn_canvas *canvas) { - return 1; + errno = ENOTSUP; + return -1; } int dmnsn_png_write_canvas(const dmnsn_canvas *canvas, FILE *file) { - return 1; + errno = ENOTSUP; + return -1; } dmnsn_progress * dmnsn_png_write_canvas_async(const dmnsn_canvas *canvas, FILE *file) { + errno = ENOTSUP; return NULL; } dmnsn_canvas * dmnsn_png_read_canvas(FILE *file) { + errno = ENOTSUP; return NULL; } dmnsn_progress * dmnsn_png_read_canvas_async(dmnsn_canvas **canvas, FILE *file) { + errno = ENOTSUP; return NULL; } -- cgit v1.2.3