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Fix macro definitions in last change to image.c

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Chong Yidong 2011-01-29 17:33:02 -05:00
parent 82d84d3fc9
commit c2e79cb408
1 changed files with 2 additions and 2 deletions
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4
src/image.c
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@ -5666,14 +5666,14 @@ init_png_functions (Lisp_Object libraries)
#if (PNG_LIBPNG_VER < 10500)
#define PNG_LONGJMP(ptr) (longjmp (ptr->jmpbuf, 1))
#define PNG_LONGJMP(ptr) (longjmp ((ptr)->jmpbuf, 1))
#define PNG_JMPBUF(ptr) ((ptr)->jmpbuf)
#else
/* In libpng version 1.5, the jmpbuf member is hidden.
We need the extra cast for PNG_JMPBUF because, for Windows,
DEF_IMGLIB_FN defines the return value of fn_png_set_longjmp_fn to
be int (Bug#7908). */
#define PNG_LONGJMP(ptr) (fn_png_longjmp (png_ptr, 1))
#define PNG_LONGJMP(ptr) (fn_png_longjmp ((ptr), 1))
#define PNG_JMPBUF(ptr) \
(*(jmp_buf *)(fn_png_set_longjmp_fn((ptr), longjmp, sizeof (jmp_buf))))
#endif