initial compiler work.

1 files changed, 43 insertions, 0 deletions

diff --git a/alloc.c b/alloc.c
new file mode 100644
index 0000000..afd57bc
--- /dev/null
+++ b/alloc.c
@@ -0,0 +1,43 @@
+#include <u.h>
+#include <libc.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;
+}
+
+char *
+estrdup(char *s)
+{
+	char *ns;
+
+	ns = strdup(s);
+	if(ns == nil)
+		sysfatal("strdup: %r");
+	return ns;
+}