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author | Tavian Barnes <tavianator@gmail.com> | 2010-04-01 15:40:19 -0400 |
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committer | Tavian Barnes <tavianator@gmail.com> | 2010-04-01 15:40:19 -0400 |
commit | c8ab44d29c3384210cd8f27533abfd0fb2205cc5 (patch) | |
tree | 91e09bbe8841e808492dc8e5671a2622aba5a419 /libdimension/gl-stubs.c | |
parent | e0313016725bc9f87243571e75b2e77f1cae265e (diff) | |
download | dimension-c8ab44d29c3384210cd8f27533abfd0fb2205cc5.tar.xz |
Set errno on failures.
Diffstat (limited to 'libdimension/gl-stubs.c')
-rw-r--r-- | libdimension/gl-stubs.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/libdimension/gl-stubs.c b/libdimension/gl-stubs.c index adcde7c..4c0d8b4 100644 --- a/libdimension/gl-stubs.c +++ b/libdimension/gl-stubs.c @@ -19,24 +19,28 @@ *************************************************************************/ #include "dimension.h" +#include <errno.h> /* Stubs for GL functions when compiled with --disable-gl */ int dmnsn_gl_optimize_canvas(dmnsn_canvas *canvas) { - return 1; + errno = ENOTSUP; + return -1; } int dmnsn_gl_write_canvas(const dmnsn_canvas *canvas) { - return 1; + errno = ENOTSUP; + return -1; } dmnsn_canvas * dmnsn_gl_read_canvas(unsigned int x0, unsigned int y0, unsigned int width, unsigned int height) { + errno = ENOTSUP; return NULL; } |