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-rw-r--r--alloc.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/alloc.c b/alloc.c
new file mode 100644
index 0000000..4154c83
--- /dev/null
+++ b/alloc.c
@@ -0,0 +1,51 @@
+#include <u.h>
+#include <libc.h>
+#include <thread.h>
+#include <draw.h>
+#include <memdraw.h>
+#include <geometry.h>
+#include "libobj/obj.h"
+#include "graphics.h"
+#include "internal.h"
+
+void *
+emalloc(ulong n)
+{
+ void *p;
+
+ p = malloc(n);
+ if(p == nil)
+ sysfatal("malloc: %r");
+ setmalloctag(p, getcallerpc(&n));
+ return p;
+}
+
+void *
+erealloc(void *p, ulong n)
+{
+ void *np;
+
+ np = realloc(p, n);
+ if(np == nil){
+ if(n == 0)
+ return nil;
+ sysfatal("realloc: %r");
+ }
+ if(p == nil)
+ setmalloctag(np, getcallerpc(&p));
+ else
+ setrealloctag(np, getcallerpc(&p));
+ return np;
+}
+
+Memimage *
+eallocmemimage(Rectangle r, ulong chan)
+{
+ Memimage *i;
+
+ i = allocmemimage(r, chan);
+ if(i == nil)
+ sysfatal("allocmemimage: %r");
+ memfillcolor(i, DTransparent);
+ return i;
+}