initial faces (John Cummings)

src/cmd/faces/util.c

@@ -0,0 +1,42 @@
+#include <u.h>
+#include <libc.h>
+#include <draw.h>
+#include <plumb.h>
+#include <9pclient.h>
+#include "faces.h"
+
+void*
+emalloc(ulong sz)
+{
+	void *v;
+	v = malloc(sz);
+	if(v == nil) {
+		fprint(2, "out of memory allocating %ld\n", sz);
+		exits("mem");
+	}
+	memset(v, 0, sz);
+	return v;
+}
+
+void*
+erealloc(void *v, ulong sz)
+{
+	v = realloc(v, sz);
+	if(v == nil) {
+		fprint(2, "out of memory allocating %ld\n", sz);
+		exits("mem");
+	}
+	return v;
+}
+
+char*
+estrdup(char *s)
+{
+	char *t;
+	if((t = strdup(s)) == nil) {
+		fprint(2, "out of memory in strdup(%.10s)\n", s);
+		exits("mem");
+	}
+	return t;
+}
+