Migrate source files into src/ directory

This change moves source files into a src/ directory,
and puts object files into an obj/ directory. The Makefile
and xcode project are updated accordingly.

Fixes #1866

1 files changed, 29 insertions, 0 deletions

diff --git a/src/sanity.h b/src/sanity.h
new file mode 100644
index 00000000..6d8e293a
--- /dev/null
+++ b/src/sanity.h
@@ -0,0 +1,29 @@
+/** \file sanity.h
+  Prototypes for functions for performing sanity checks on the program state
+*/
+
+#ifndef FISH_SANITY_H
+#define FISH_SANITY_H
+
+#include <wchar.h>
+
+/**
+  Call this function to tell the program it is not in a sane state.
+*/
+void sanity_lose();
+
+/**
+  Perform sanity checks, return 1 if program is in a sane state 0 otherwise.
+*/
+int sanity_check();
+
+/**
+  Try and determine if ptr is a valid pointer. If not, loose sanity.
+
+  \param ptr The pointer to validate
+  \param err A description of what the pointer refers to, for use in error messages
+  \param null_ok Wheter the pointer is allowed to point to 0
+*/
+void validate_pointer(const void *ptr, const wchar_t *err, int null_ok);
+
+#endif