Import sources from 2011-03-30 iso image

1 files changed, 39 insertions, 0 deletions

diff --git a/sys/src/cmd/snap/util.c b/sys/src/cmd/snap/util.c
new file mode 100755
index 000000000..bfca991ed
--- /dev/null
+++ b/sys/src/cmd/snap/util.c
@@ -0,0 +1,39 @@
+#include <u.h>
+#include <libc.h>
+#include <bio.h>
+#include "snap.h"
+
+void*
+emalloc(ulong n)
+{
+	void *v;
+	v = malloc(n);
+	if(v == nil){
+		fprint(2, "out of memory\n");
+		exits("memory");
+	}
+	memset(v, 0, n);
+	return v;
+}
+
+void*
+erealloc(void *v, ulong n)
+{
+	v = realloc(v, n);
+	if(v == nil) {
+		fprint(2, "out of memory\n");
+		exits("memory");
+	}
+	return v;
+}
+
+char*
+estrdup(char *s)
+{
+	s = strdup(s);
+	if(s == nil) {
+		fprint(2, "out of memory\n");
+		exits("memory");
+	}
+	return s;
+}