initial raytracing experiment

[dosdemo] / src / util.c

diff --git a/src/util.c b/src/util.c
index a91bb95..515b4e6 100644 (file)
--- a/src/util.c
+++ b/src/util.c
@@ -1,3 +1,36 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
 #include "util.h"
 
 uint32_t perf_start_count, perf_interval_count;
+
+void *malloc_nf_impl(size_t sz, const char *file, int line)
+{
+       void *p;
+       if(!(p = malloc(sz))) {
+               fprintf(stderr, "%s:%d failed to allocate %lu bytes\n", file, line, (unsigned long)sz);
+               demo_abort();
+       }
+       return p;
+}
+
+void *calloc_nf_impl(size_t num, size_t sz, const char *file, int line)
+{
+       void *p;
+       if(!(p = calloc(num, sz))) {
+               fprintf(stderr, "%s:%d failed to allocate %lu bytes\n", file, line, (unsigned long)(num * sz));
+               demo_abort();
+       }
+       return p;
+}
+
+void *realloc_nf_impl(void *p, size_t sz, const char *file, int line)
+{
+       if(!(p = realloc(p, sz))) {
+               fprintf(stderr, "%s:%d failed to realloc %lu bytes\n", file, line, (unsigned long)sz);
+               demo_abort();
+       }
+       return p;
+}