initial raytracing experiment

[dosdemo] / src / util.h

diff --git a/src/util.h b/src/util.h
index 50148af..f93efc8 100644 (file)
--- a/src/util.h
+++ b/src/util.h
@@ -1,6 +1,7 @@
 #ifndef UTIL_H_
 #define UTIL_H_
 
+#include <stdlib.h>
 #include "inttypes.h"
 
 #ifdef __GNUC__
@@ -240,4 +241,17 @@ unsigned int get_cs(void);
 void get_msr(uint32_t msr, uint32_t *low, uint32_t *high);
 void set_msr(uint32_t msr, uint32_t low, uint32_t high);
 
+
+/* Non-failing versions of malloc/calloc/realloc. They never return 0, they call
+ * demo_abort on failure. Use the macros, don't call the *_impl functions.
+ */
+#define malloc_nf(sz)  malloc_nf_impl(sz, __FILE__, __LINE__)
+void *malloc_nf_impl(size_t sz, const char *file, int line);
+#define calloc_nf(n, sz)       calloc_nf_impl(n, sz, __FILE__, __LINE__)
+void *calloc_nf_impl(size_t num, size_t sz, const char *file, int line);
+#define realloc_nf(p, sz)      realloc_nf_impl(p, sz, __FILE__, __LINE__)
+void *realloc_nf_impl(void *p, size_t sz, const char *file, int line);
+
+
+
 #endif /* UTIL_H_ */