Move fs.basename and fs.dirname into the path library, create errors.h

errors.h

@@ -0,0 +1,32 @@
+/* Error messages */
+
+#ifndef _ERRORS_H_
+
+#define _ERRORS_H_
+
+#define E_PATHNAMETOOLONG "pathname too long"
+#define E_WORKDIRNOTVALID "working directory is no longer valid"
+#define E_COMPNOTEXIST    "component of path does not exist"
+#define E_DIRNOTEMPTY     "directory not empty"
+#define E_MOUNTPOINT      "directory is busy"
+#define E_NOSUCHDEST      "no such file or directory"
+#define E_FTRAVERSE       "failed to traverse directory"
+#define E_NOSUCHDIR       "no such directory"
+#define E_STICKYDIR       "permission denied (sticky directory)"
+#define E_INTFAULT        "internal error (EFAULT)"
+#define E_MVPARENT        "cannot move a parent directory of pathname"
+#define E_FEXISTS         "file exists"
+#define E_MAXLINK         "maximum link count reached"
+#define E_NOSPACE         "insufficient space left on file system"
+#define E_NOTADIR         "pathname or a component of pathname is not a directory"
+#define E_SYMLINK         "could not translate pathname; too many symbolic links"
+#define E_DIFFFS          "pathnames are on different file systems"
+#define E_DIRDOT          "last component of path is '.'"
+#define E_ISADIR          "cannot move a file to the name of a directory"
+#define E_IOERR           "I/O error"
+#define E_NOMEM           "insufficent memory"
+#define E_QUOTA           "file system quota reached"
+#define E_PERM            "permission denied"
+#define E_ROFS            "read-only file system"
+
+#endif