diff options
Diffstat (limited to 'release/picobsd/tinyware/ash/error.c')
| -rw-r--r-- | release/picobsd/tinyware/ash/error.c | 291 |
1 files changed, 0 insertions, 291 deletions
diff --git a/release/picobsd/tinyware/ash/error.c b/release/picobsd/tinyware/ash/error.c deleted file mode 100644 index 22e44d2..0000000 --- a/release/picobsd/tinyware/ash/error.c +++ /dev/null @@ -1,291 +0,0 @@ -/* $NetBSD: error.c,v 1.17 1997/07/04 21:01:54 christos Exp $ */ - -/*- - * 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. - */ - -#include <sys/cdefs.h> -#ifndef lint -#if 0 -static char sccsid[] = "@(#)error.c 8.2 (Berkeley) 5/4/95"; -#else -__RCSID("$NetBSD: error.c,v 1.17 1997/07/04 21:01:54 christos Exp $"); -#endif -#endif /* not lint */ - -/* - * Errors and exceptions. - */ - -#include "shell.h" -#include "main.h" -#include "options.h" -#include "output.h" -#include "error.h" -#include "show.h" -#include <signal.h> -#include <unistd.h> -#include <errno.h> - - -/* - * Code to handle exceptions in C. - */ - -struct jmploc *handler; -int exception; -volatile int suppressint; -volatile int intpending; -char *commandname; - - -static void exverror __P((int, char *, va_list)) __attribute__((__noreturn__)); - -/* - * Called to raise an exception. Since C doesn't include exceptions, we - * just do a longjmp to the exception handler. The type of exception is - * stored in the global variable "exception". - */ - -void -exraise(e) - int e; -{ - if (handler == NULL) - abort(); - exception = e; - longjmp(handler->loc, 1); -} - - -/* - * Called from trap.c when a SIGINT is received. (If the user specifies - * that SIGINT is to be trapped or ignored using the trap builtin, then - * this routine is not called.) Suppressint is nonzero when interrupts - * are held using the INTOFF macro. The call to _exit is necessary because - * there is a short period after a fork before the signal handlers are - * set to the appropriate value for the child. (The test for iflag is - * just defensive programming.) - */ - -void -onint() { - sigset_t sigset; - - if (suppressint) { - intpending++; - return; - } - intpending = 0; - sigemptyset(&sigset); - sigprocmask(SIG_SETMASK, &sigset, NULL); - if (rootshell && iflag) - exraise(EXINT); - else - _exit(128 + SIGINT); -} - - -/* - * Exverror is called to raise the error exception. If the first argument - * is not NULL then error prints an error message using printf style - * formatting. It then raises the error exception. - */ -static void -exverror(cond, msg, ap) - int cond; - char *msg; - va_list ap; -{ - CLEAR_PENDING_INT; - INTOFF; - -#ifdef DEBUG - if (msg) - TRACE(("exverror(%d, \"%s\") pid=%d\n", cond, msg, getpid())); - else - TRACE(("exverror(%d, NULL) pid=%d\n", cond, getpid())); -#endif - if (msg) { - if (commandname) - outfmt(&errout, "%s: ", commandname); - doformat(&errout, msg, ap); - out2c('\n'); - } - flushall(); - exraise(cond); -} - - -#ifdef __STDC__ -void -error(char *msg, ...) -#else -void -error(va_alist) - va_dcl -#endif -{ -#ifndef __STDC__ - char *msg; -#endif - va_list ap; -#ifdef __STDC__ - va_start(ap, msg); -#else - va_start(ap); - msg = va_arg(ap, char *); -#endif - exverror(EXERROR, msg, ap); - va_end(ap); -} - - -#ifdef __STDC__ -void -exerror(int cond, char *msg, ...) -#else -void -exerror(va_alist) - va_dcl -#endif -{ -#ifndef __STDC__ - int cond; - char *msg; -#endif - va_list ap; -#ifdef __STDC__ - va_start(ap, msg); -#else - va_start(ap); - cond = va_arg(ap, int); - msg = va_arg(ap, char *); -#endif - exverror(cond, msg, ap); - va_end(ap); -} - - - -/* - * Table of error messages. - */ - -struct errname { - short errcode; /* error number */ - short action; /* operation which encountered the error */ - char *msg; /* text describing the error */ -}; - - -#define ALL (E_OPEN|E_CREAT|E_EXEC) - -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" }, -#ifdef notdef - { EMFILE, ALL, "too many open files" }, -#endif - { 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) - int e; - int 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; -} |
