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📄 Makefile(1.76 KB)
📄 Makefile.depend(312 B)
📄 TOUR(14.11 KB)
📄 alias.c(5.35 KB)
📄 alias.h(1.83 KB)
📄 arith.h(1.72 KB)
📄 arith_yacc.c(8.38 KB)
📄 arith_yacc.h(2.86 KB)
📄 arith_yylex.c(5.5 KB)
📁 bltin
📄 builtins.def(3.09 KB)
📄 cd.c(8.94 KB)
📄 cd.h(1.59 KB)
📄 dot.profile(507 B)
📄 dot.shrc(865 B)
📄 error.c(5.08 KB)
📄 error.h(3.69 KB)
📄 eval.c(30.24 KB)
📄 eval.h(2.84 KB)
📄 exec.c(17.56 KB)
📄 exec.h(2.8 KB)
📄 expand.c(33.14 KB)
📄 expand.h(2.47 KB)
📁 funcs
📄 histedit.c(10.93 KB)
📄 input.c(11.52 KB)
📄 input.h(2.59 KB)
📄 jobs.c(32.46 KB)
📄 jobs.h(2.55 KB)
📄 mail.c(3.36 KB)
📄 mail.h(1.76 KB)
📄 main.c(7.29 KB)
📄 main.h(1.95 KB)
📄 memalloc.c(7.68 KB)
📄 memalloc.h(3.33 KB)
📄 miscbltin.c(12.62 KB)
📄 mkbuiltins(3.38 KB)
📄 mknodes.c(11.14 KB)
📄 mksyntax.c(8.83 KB)
📄 mktokens(2.79 KB)
📄 myhistedit.h(1.82 KB)
📄 mystring.c(2.74 KB)
📄 mystring.h(1.86 KB)
📄 nodes.c.pat(4.35 KB)
📄 nodetypes(5.1 KB)
📄 options.c(12.97 KB)
📄 options.h(3.63 KB)
📄 output.c(7.24 KB)
📄 output.h(3.24 KB)
📄 parser.c(46.37 KB)
📄 parser.h(3.43 KB)
📄 profile(427 B)
📄 redir.c(8.71 KB)
📄 redir.h(2.02 KB)
📄 sh.1(72.73 KB)
📄 shell.h(2.61 KB)
📄 show.c(8.08 KB)
📄 show.h(1.84 KB)
📁 tests
📄 trap.c(11.32 KB)
📄 trap.h(2.09 KB)
📄 var.c(19.03 KB)
📄 var.h(4.4 KB)

Editing: error.h

/*-
 * 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. 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.
 *
 *	@(#)error.h	8.2 (Berkeley) 5/4/95
 * $FreeBSD$
 */

/*
 * We enclose jmp_buf in a structure so that we can declare pointers to
 * jump locations.  The global variable handler contains the location to
 * jump to when an exception occurs, and the global variable exception
 * contains a code identifying the exception.  To implement nested
 * exception handlers, the user should save the value of handler on entry
 * to an inner scope, set handler to point to a jmploc structure for the
 * inner scope, and restore handler on exit from the scope.
 */

#include <setjmp.h>
#include <signal.h>

struct jmploc {
	jmp_buf loc;
};

extern struct jmploc *handler;
extern volatile sig_atomic_t exception;

/* exceptions */
#define EXINT 0		/* SIGINT received */
#define EXERROR 1	/* a generic error with exitstatus */
#define EXEXIT 2	/* call exitshell(exitstatus) */

/*
 * These macros allow the user to suspend the handling of interrupt signals
 * over a period of time.  This is similar to SIGHOLD to or sigblock, but
 * much more efficient and portable.  (But hacking the kernel is so much
 * more fun than worrying about efficiency and portability. :-))
 */

extern volatile sig_atomic_t suppressint;
extern volatile sig_atomic_t intpending;

#define INTOFF suppressint++
#define INTON { if (--suppressint == 0 && intpending) onint(); }
#define is_int_on() suppressint
#define SETINTON(s) do { suppressint = (s); if (suppressint == 0 && intpending) onint(); } while (0)
#define FORCEINTON {suppressint = 0; if (intpending) onint();}
#define SET_PENDING_INT intpending = 1
#define CLEAR_PENDING_INT intpending = 0
#define int_pending() intpending

void exraise(int) __dead2;
void onint(void) __dead2;
void warning(const char *, ...) __printflike(1, 2);
void error(const char *, ...) __printf0like(1, 2) __dead2;
void errorwithstatus(int, const char *, ...) __printf0like(2, 3) __dead2;

/*
 * BSD setjmp saves the signal mask, which violates ANSI C and takes time,
 * so we use _setjmp instead.
 */

#define setjmp(jmploc)	_setjmp(jmploc)
#define longjmp(jmploc, val)	_longjmp(jmploc, val)

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