Rework source layout in preparation for modular sudo.

include/alloc.h

@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2009 Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _SUDO_ALLOC_H
+#define _SUDO_ALLOC_H
+
+#ifdef __STDC__
+# include <stdarg.h>
+int	 easprintf(char **, const char *, ...) __printflike(2, 3);
+int	 evasprintf(char **, const char *, va_list) __printflike(2, 0);
+void	 efree(void *);
+void	*emalloc(size_t);
+void	*emalloc2(size_t, size_t);
+void	*erealloc(void *, size_t);
+void	*erealloc3(void *, size_t, size_t);
+char	*estrdup(const char *);
+#else
+# include <varargs.h>
+int	 easprintf();
+int	 evasprintf();
+void	 efree();
+void	*emalloc();
+void	*emalloc2();
+void	*erealloc();
+void	*erealloc3();
+char	*estrdup();
+#endif /* __STDC__ */
+
+#endif /* _SUDO_ALLOC_H */