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- /*-
- * Copyright (c) 1991 The Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Kenneth Almquist.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
- #ifndef lint
- static char sccsid[] = "@(#)errmsg.c 5.1 (Berkeley) 3/7/91";
- #endif /* not lint */
-
- #include "shell.h"
- #include "output.h"
- #include "errmsg.h"
- #include <errno.h>
-
-
- #define ALL (E_OPEN|E_CREAT|E_EXEC)
-
-
- struct errname {
- short errcode; /* error number */
- short action; /* operation which encountered the error */
- char *msg; /* text describing the error */
- };
-
-
- STATIC const struct errname errormsg[] = {
- EINTR, ALL, "interrupted",
- EACCES, ALL, "permission denied",
- EIO, ALL, "I/O error",
- ENOENT, E_OPEN, "no such file",
- ENOENT, E_CREAT, "directory nonexistent",
- ENOENT, E_EXEC, "not found",
- ENOTDIR, E_OPEN, "no such file",
- ENOTDIR, E_CREAT, "directory nonexistent",
- ENOTDIR, E_EXEC, "not found",
- EISDIR, ALL, "is a directory",
- /* EMFILE, ALL, "too many open files", */
- ENFILE, ALL, "file table overflow",
- ENOSPC, ALL, "file system full",
- #ifdef EDQUOT
- EDQUOT, ALL, "disk quota exceeded",
- #endif
- #ifdef ENOSR
- ENOSR, ALL, "no streams resources",
- #endif
- ENXIO, ALL, "no such device or address",
- EROFS, ALL, "read-only file system",
- ETXTBSY, ALL, "text busy",
- #ifdef SYSV
- EAGAIN, E_EXEC, "not enough memory",
- #endif
- ENOMEM, ALL, "not enough memory",
- #ifdef ENOLINK
- ENOLINK, ALL, "remote access failed"
- #endif
- #ifdef EMULTIHOP
- EMULTIHOP, ALL, "remote access failed",
- #endif
- #ifdef ECOMM
- ECOMM, ALL, "remote access failed",
- #endif
- #ifdef ESTALE
- ESTALE, ALL, "remote access failed",
- #endif
- #ifdef ETIMEDOUT
- ETIMEDOUT, ALL, "remote access failed",
- #endif
- #ifdef ELOOP
- ELOOP, ALL, "symbolic link loop",
- #endif
- E2BIG, E_EXEC, "argument list too long",
- #ifdef ELIBACC
- ELIBACC, E_EXEC, "shared library missing",
- #endif
- 0, 0, NULL
- };
-
-
- /*
- * Return a string describing an error. The returned string may be a
- * pointer to a static buffer that will be overwritten on the next call.
- * Action describes the operation that got the error.
- */
-
- char *
- errmsg(e, action) {
- struct errname const *ep;
- static char buf[12];
-
- for (ep = errormsg ; ep->errcode ; ep++) {
- if (ep->errcode == e && (ep->action & action) != 0)
- return ep->msg;
- }
- fmtstr(buf, sizeof buf, "error %d", e);
- return buf;
- }
-