} \
} while(0)
+#if 0
#define _GRAS_ERR_PRE do { \
void *_gs_array[30]; \
size_t _gs_size= backtrace (_gs_array, 30); \
return code; \
} while (0)
+#else
+#define _GRAS_ERR_PRE do {
+#define _GRAS_ERR_POST(code) \
+ return code; \
+} while (0)
+#endif
#define RAISE0(code,fmt) _GRAS_ERR_PRE \
fprintf(stderr,"%s:%d:%s: " fmt "\n", \