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Diffstat (limited to 'bin/sh/errmsg.c')
| -rw-r--r-- | bin/sh/errmsg.c | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/bin/sh/errmsg.c b/bin/sh/errmsg.c new file mode 100644 index 000000000000..2a0303b666f1 --- /dev/null +++ b/bin/sh/errmsg.c @@ -0,0 +1,127 @@ +/*- + * Copyright (c) 1991, 1993 + * 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 8.1 (Berkeley) 5/31/93"; +#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; +} |