d803a9d0e5
Reported by: sobomax MFC after: 3 days Sponsored by: DARPA, AFRL Differential Revision: https://reviews.freebsd.org/D22099
657 lines
20 KiB
C
657 lines
20 KiB
C
/*
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* sh.err.c: Error printing routines.
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*/
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/*-
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* Copyright (c) 1980, 1991 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#define _h_sh_err /* Don't redefine the errors */
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#include "sh.h"
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#include <assert.h>
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/*
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* C Shell
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*/
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#ifdef lint
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#undef va_arg
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#define va_arg(a, b) (a ? (b) 0 : (b) 0)
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#endif
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char *seterr = NULL; /* Holds last error if there was one */
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extern int enterhist;
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#define ERR_FLAGS 0xf0000000
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#define ERR_NAME 0x10000000
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#define ERR_SILENT 0x20000000
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#define ERR_OLD 0x40000000
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#define ERR_INTERRUPT 0x80000000
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#define ERR_SYNTAX 0
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#define ERR_NOTALLOWED 1
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#define ERR_WTOOLONG 2
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#define ERR_LTOOLONG 3
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#define ERR_DOLZERO 4
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#define ERR_INCBR 5
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#define ERR_EXPORD 6
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#define ERR_BADMOD 7
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#define ERR_SUBSCRIPT 8
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#define ERR_BADNUM 9
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#define ERR_NOMORE 10
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#define ERR_FILENAME 11
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#define ERR_GLOB 12
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#define ERR_COMMAND 13
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#define ERR_TOOFEW 14
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#define ERR_TOOMANY 15
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#define ERR_DANGER 16
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#define ERR_EMPTYIF 17
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#define ERR_IMPRTHEN 18
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#define ERR_NOPAREN 19
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#define ERR_NOTFOUND 20
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#define ERR_MASK 21
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#define ERR_LIMIT 22
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#define ERR_TOOLARGE 23
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#define ERR_SCALEF 24
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#define ERR_UNDVAR 25
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#define ERR_DEEP 26
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#define ERR_BADSIG 27
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#define ERR_UNKSIG 28
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#define ERR_VARBEGIN 29
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#define ERR_VARTOOLONG 30
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#define ERR_VARALNUM 31
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#define ERR_JOBCONTROL 32
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#define ERR_EXPRESSION 33
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#define ERR_NOHOMEDIR 34
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#define ERR_CANTCHANGE 35
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#define ERR_NULLCOM 36
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#define ERR_ASSIGN 37
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#define ERR_UNKNOWNOP 38
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#define ERR_AMBIG 39
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#define ERR_EXISTS 40
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#define ERR_ARGC 41
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#define ERR_INTR 42
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#define ERR_RANGE 43
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#define ERR_OVERFLOW 44
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#define ERR_NOSUCHJOB 45
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#define ERR_TERMINAL 46
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#define ERR_NOTWHILE 47
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#define ERR_NOPROC 48
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#define ERR_NOMATCH 49
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#define ERR_MISSING 50
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#define ERR_UNMATCHED 51
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#define ERR_NOMEM 52
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#define ERR_PIPE 53
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#define ERR_SYSTEM 54
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#define ERR_STRING 55
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#define ERR_JOBS 56
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#define ERR_JOBARGS 57
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#define ERR_JOBCUR 58
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#define ERR_JOBPREV 59
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#define ERR_JOBPAT 60
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#define ERR_NESTING 61
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#define ERR_JOBCTRLSUB 62
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#define ERR_SYNC 63
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#define ERR_STOPPED 64
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#define ERR_NODIR 65
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#define ERR_EMPTY 66
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#define ERR_BADDIR 67
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#define ERR_DIRUS 68
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#define ERR_HFLAG 69
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#define ERR_NOTLOGIN 70
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#define ERR_DIV0 71
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#define ERR_MOD0 72
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#define ERR_BADSCALE 73
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#define ERR_SUSPLOG 74
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#define ERR_UNKUSER 75
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#define ERR_NOHOME 76
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#define ERR_HISTUS 77
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#define ERR_SPDOLLT 78
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#define ERR_NEWLINE 79
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#define ERR_SPSTAR 80
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#define ERR_DIGIT 81
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#define ERR_VARILL 82
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#define ERR_NLINDEX 83
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#define ERR_EXPOVFL 84
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#define ERR_VARSYN 85
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#define ERR_BADBANG 86
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#define ERR_NOSUBST 87
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#define ERR_BADSUBST 88
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#define ERR_LHS 89
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#define ERR_RHSLONG 90
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#define ERR_BADBANGMOD 91
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#define ERR_MODFAIL 92
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#define ERR_SUBOVFL 93
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#define ERR_BADBANGARG 94
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#define ERR_NOSEARCH 95
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#define ERR_NOEVENT 96
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#define ERR_TOOMANYRP 97
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#define ERR_TOOMANYLP 98
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#define ERR_BADPLP 99
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#define ERR_MISRED 100
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#define ERR_OUTRED 101
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#define ERR_REDPAR 102
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#define ERR_INRED 103
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#define ERR_BADPLPS 104
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#define ERR_ALIASLOOP 105
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#define ERR_NOWATCH 106
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#define ERR_NOSCHED 107
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#define ERR_SCHEDUSAGE 108
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#define ERR_SCHEDEV 109
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#define ERR_SCHEDCOM 110
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#define ERR_SCHEDTIME 111
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#define ERR_SCHEDREL 112
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#define ERR_TCNOSTR 113
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#define ERR_SETTCUS 114
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#define ERR_TCCAP 115
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#define ERR_TCPARM 116
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#define ERR_TCARGS 117
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#define ERR_TCNARGS 118
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#define ERR_TCUSAGE 119
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#define ERR_ARCH 120
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#define ERR_HISTLOOP 121
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#define ERR_FILEINQ 122
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#define ERR_SELOVFL 123
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#define ERR_TCSHUSAGE 124
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#define ERR_COMPCOM 125
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#define ERR_COMPINV 126
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#define ERR_COMPMIS 127
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#define ERR_COMPINC 128
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#define ERR_MFLAG 129
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#define ERR_ULIMUS 130
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#define ERR_READONLY 131
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#define ERR_BADJOB 132
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#define ERR_INVALID 133
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#define ERR_BADCOLORVAR 134
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#define ERR_EOF 135
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#define NO_ERRORS 136
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static const char *elst[NO_ERRORS] INIT_ZERO_STRUCT;
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/*
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* Init the elst depending on the locale
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*/
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void
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errinit(void)
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{
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#ifdef NLS_CATALOGS
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size_t i;
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for (i = 0; i < NO_ERRORS; i++)
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xfree((char *)(intptr_t)elst[i]);
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# if defined(__FreeBSD__) || defined(hpux) || defined(__MidnightBSD__)
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# define NLS_MAXSET 30
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for (i = 1; i <= NLS_MAXSET; i++)
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CGETS(i, 1, "" );
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# endif
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#endif
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elst[ERR_SYNTAX] = CSAVS(1, 1, "Syntax Error");
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elst[ERR_NOTALLOWED] = CSAVS(1, 2, "%s is not allowed");
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elst[ERR_WTOOLONG] = CSAVS(1, 3, "Word too long");
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elst[ERR_LTOOLONG] = CSAVS(1, 4, "$< line too long");
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elst[ERR_DOLZERO] = CSAVS(1, 5, "No file for $0");
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elst[ERR_INCBR] = CSAVS(1, 6, "Incomplete [] modifier");
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elst[ERR_EXPORD] = CSAVS(1, 7, "$ expansion must end before ]");
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elst[ERR_BADMOD] = CSAVS(1, 8, "Bad : modifier in $ '%c'");
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elst[ERR_SUBSCRIPT] = CSAVS(1, 9, "Subscript error");
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elst[ERR_BADNUM] = CSAVS(1, 10, "Badly formed number");
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elst[ERR_NOMORE] = CSAVS(1, 11, "No more words");
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elst[ERR_FILENAME] = CSAVS(1, 12, "Missing file name");
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elst[ERR_GLOB] = CSAVS(1, 13, "Internal glob error");
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elst[ERR_COMMAND] = CSAVS(1, 14, "Command not found");
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elst[ERR_TOOFEW] = CSAVS(1, 15, "Too few arguments");
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elst[ERR_TOOMANY] = CSAVS(1, 16, "Too many arguments");
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elst[ERR_DANGER] = CSAVS(1, 17, "Too dangerous to alias that");
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elst[ERR_EMPTYIF] = CSAVS(1, 18, "Empty if");
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elst[ERR_IMPRTHEN] = CSAVS(1, 19, "Improper then");
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elst[ERR_NOPAREN] = CSAVS(1, 20, "Words not parenthesized");
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elst[ERR_NOTFOUND] = CSAVS(1, 21, "%s not found");
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elst[ERR_MASK] = CSAVS(1, 22, "Improper mask");
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elst[ERR_LIMIT] = CSAVS(1, 23, "No such limit");
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elst[ERR_TOOLARGE] = CSAVS(1, 24, "Argument too large");
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elst[ERR_SCALEF] = CSAVS(1, 25, "Improper or unknown scale factor");
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elst[ERR_UNDVAR] = CSAVS(1, 26, "Undefined variable");
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elst[ERR_DEEP] = CSAVS(1, 27, "Directory stack not that deep");
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elst[ERR_BADSIG] = CSAVS(1, 28, "Bad signal number");
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elst[ERR_UNKSIG] = CSAVS(1, 29, "Unknown signal; kill -l lists signals");
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elst[ERR_VARBEGIN] = CSAVS(1, 30, "Variable name must begin with a letter");
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elst[ERR_VARTOOLONG] = CSAVS(1, 31, "Variable name too long");
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elst[ERR_VARALNUM] = CSAVS(1, 32,
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"Variable name must contain alphanumeric characters");
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elst[ERR_JOBCONTROL] = CSAVS(1, 33, "No job control in this shell");
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elst[ERR_EXPRESSION] = CSAVS(1, 34, "Expression Syntax");
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elst[ERR_NOHOMEDIR] = CSAVS(1, 35, "No home directory");
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elst[ERR_CANTCHANGE] = CSAVS(1, 36, "Can't change to home directory");
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elst[ERR_NULLCOM] = CSAVS(1, 37, "Invalid null command");
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elst[ERR_ASSIGN] = CSAVS(1, 38, "Assignment missing expression");
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elst[ERR_UNKNOWNOP] = CSAVS(1, 39, "Unknown operator");
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elst[ERR_AMBIG] = CSAVS(1, 40, "Ambiguous");
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elst[ERR_EXISTS] = CSAVS(1, 41, "%s: File exists");
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elst[ERR_ARGC] = CSAVS(1, 42, "Argument for -c ends in backslash");
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elst[ERR_INTR] = CSAVS(1, 43, "Interrupted");
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elst[ERR_RANGE] = CSAVS(1, 44, "Subscript out of range");
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elst[ERR_OVERFLOW] = CSAVS(1, 45, "Line overflow");
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elst[ERR_NOSUCHJOB] = CSAVS(1, 46, "No such job");
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elst[ERR_TERMINAL] = CSAVS(1, 47, "Can't from terminal");
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elst[ERR_NOTWHILE] = CSAVS(1, 48, "Not in while/foreach");
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elst[ERR_NOPROC] = CSAVS(1, 49, "No more processes");
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elst[ERR_NOMATCH] = CSAVS(1, 50, "No match");
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elst[ERR_MISSING] = CSAVS(1, 51, "Missing '%c'");
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elst[ERR_UNMATCHED] = CSAVS(1, 52, "Unmatched '%c'");
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elst[ERR_NOMEM] = CSAVS(1, 53, "Out of memory");
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elst[ERR_PIPE] = CSAVS(1, 54, "Can't make pipe");
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elst[ERR_SYSTEM] = CSAVS(1, 55, "%s: %s");
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elst[ERR_STRING] = CSAVS(1, 56, "%s");
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elst[ERR_JOBS] = CSAVS(1, 57, "Usage: jobs [ -l ]");
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elst[ERR_JOBARGS] = CSAVS(1, 58, "Arguments should be jobs or process id's");
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elst[ERR_JOBCUR] = CSAVS(1, 59, "No current job");
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elst[ERR_JOBPREV] = CSAVS(1, 60, "No previous job");
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elst[ERR_JOBPAT] = CSAVS(1, 61, "No job matches pattern");
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elst[ERR_NESTING] = CSAVS(1, 62, "Fork nesting > %d; maybe `...` loop");
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elst[ERR_JOBCTRLSUB] = CSAVS(1, 63, "No job control in subshells");
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elst[ERR_SYNC] = CSAVS(1, 64, "Sync fault: Process %d not found");
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elst[ERR_STOPPED] =
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#ifdef SUSPENDED
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CSAVS(1, 65, "%sThere are suspended jobs");
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#else
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CSAVS(1, 66, "%sThere are stopped jobs");
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#endif /* SUSPENDED */
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elst[ERR_NODIR] = CSAVS(1, 67, "No other directory");
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elst[ERR_EMPTY] = CSAVS(1, 68, "Directory stack empty");
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elst[ERR_BADDIR] = CSAVS(1, 69, "Bad directory");
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elst[ERR_DIRUS] = CSAVS(1, 70, "Usage: %s [-%s]%s");
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elst[ERR_HFLAG] = CSAVS(1, 71, "No operand for -h flag");
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elst[ERR_NOTLOGIN] = CSAVS(1, 72, "Not a login shell");
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elst[ERR_DIV0] = CSAVS(1, 73, "Division by 0");
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elst[ERR_MOD0] = CSAVS(1, 74, "Mod by 0");
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elst[ERR_BADSCALE] = CSAVS(1, 75, "Bad scaling; did you mean \"%s\"?");
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elst[ERR_SUSPLOG] = CSAVS(1, 76, "Can't suspend a login shell (yet)");
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elst[ERR_UNKUSER] = CSAVS(1, 77, "Unknown user: %s");
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elst[ERR_NOHOME] = CSAVS(1, 78, "No $home variable set");
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elst[ERR_HISTUS] = CSAVS(1, 79,
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"Usage: history [-%s] [# number of events]");
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elst[ERR_SPDOLLT] = CSAVS(1, 80, "$, ! or < not allowed with $# or $?");
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elst[ERR_NEWLINE] = CSAVS(1, 81, "Newline in variable name");
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elst[ERR_SPSTAR] = CSAVS(1, 82, "* not allowed with $# or $?");
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elst[ERR_DIGIT] = CSAVS(1, 83, "$?<digit> or $#<digit> not allowed");
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elst[ERR_VARILL] = CSAVS(1, 84, "Illegal variable name");
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elst[ERR_NLINDEX] = CSAVS(1, 85, "Newline in variable index");
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elst[ERR_EXPOVFL] = CSAVS(1, 86, "Expansion buffer overflow");
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elst[ERR_VARSYN] = CSAVS(1, 87, "Variable syntax");
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elst[ERR_BADBANG] = CSAVS(1, 88, "Bad ! form");
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elst[ERR_NOSUBST] = CSAVS(1, 89, "No previous substitute");
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elst[ERR_BADSUBST] = CSAVS(1, 90, "Bad substitute");
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elst[ERR_LHS] = CSAVS(1, 91, "No previous left hand side");
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elst[ERR_RHSLONG] = CSAVS(1, 92, "Right hand side too long");
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elst[ERR_BADBANGMOD] = CSAVS(1, 93, "Bad ! modifier: '%c'");
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elst[ERR_MODFAIL] = CSAVS(1, 94, "Modifier failed");
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elst[ERR_SUBOVFL] = CSAVS(1, 95, "Substitution buffer overflow");
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elst[ERR_BADBANGARG] = CSAVS(1, 96, "Bad ! arg selector");
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elst[ERR_NOSEARCH] = CSAVS(1, 97, "No prev search");
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elst[ERR_NOEVENT] = CSAVS(1, 98, "%s: Event not found");
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elst[ERR_TOOMANYRP] = CSAVS(1, 99, "Too many )'s");
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elst[ERR_TOOMANYLP] = CSAVS(1, 100, "Too many ('s");
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elst[ERR_BADPLP] = CSAVS(1, 101, "Badly placed (");
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elst[ERR_MISRED] = CSAVS(1, 102, "Missing name for redirect");
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elst[ERR_OUTRED] = CSAVS(1, 103, "Ambiguous output redirect");
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elst[ERR_REDPAR] = CSAVS(1, 104, "Can't << within ()'s");
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elst[ERR_INRED] = CSAVS(1, 105, "Ambiguous input redirect");
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elst[ERR_BADPLPS] = CSAVS(1, 106, "Badly placed ()'s");
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elst[ERR_ALIASLOOP] = CSAVS(1, 107, "Alias loop");
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elst[ERR_NOWATCH] = CSAVS(1, 108, "No $watch variable set");
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elst[ERR_NOSCHED] = CSAVS(1, 109, "No scheduled events");
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elst[ERR_SCHEDUSAGE] = CSAVS(1, 110,
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"Usage: sched -<item#>.\nUsage: sched [+]hh:mm <command>");
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elst[ERR_SCHEDEV] = CSAVS(1, 111, "Not that many scheduled events");
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elst[ERR_SCHEDCOM] = CSAVS(1, 112, "No command to run");
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elst[ERR_SCHEDTIME] = CSAVS(1, 113, "Invalid time for event");
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elst[ERR_SCHEDREL] = CSAVS(1, 114, "Relative time inconsistent with am/pm");
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elst[ERR_TCNOSTR] = CSAVS(1, 115, "Out of termcap string space");
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elst[ERR_SETTCUS] = CSAVS(1, 116, "Usage: settc %s [yes|no]");
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elst[ERR_TCCAP] = CSAVS(1, 117, "Unknown capability `%s'");
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elst[ERR_TCPARM] = CSAVS(1, 118, "Unknown termcap parameter '%%%c'");
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elst[ERR_TCARGS] = CSAVS(1, 119, "Too many arguments for `%s' (%d)");
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elst[ERR_TCNARGS] = CSAVS(1, 120, "`%s' requires %d arguments");
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elst[ERR_TCUSAGE] = CSAVS(1, 121,
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"Usage: echotc [-v|-s] [<capability> [<args>]]");
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elst[ERR_ARCH] = CSAVS(1, 122, "%s: %s. Binary file not executable");
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elst[ERR_HISTLOOP] = CSAVS(1, 123, "!# History loop");
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elst[ERR_FILEINQ] = CSAVS(1, 124, "Malformed file inquiry");
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elst[ERR_SELOVFL] = CSAVS(1, 125, "Selector overflow");
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#ifdef apollo
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elst[ERR_TCSHUSAGE] = CSAVS(1, 126,
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"Unknown option: `-%s'\nUsage: %s [ -bcdefilmnqstvVxX -Dname[=value] ] [ argument ... ]");
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#else /* !apollo */
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# ifdef convex
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elst[ERR_TCSHUSAGE] = CSAVS(1, 127,
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"Unknown option: `-%s'\nUsage: %s [ -bcdefFilmnqstvVxX ] [ argument ... ]");
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# else /* rest */
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elst[ERR_TCSHUSAGE] = CSAVS(1, 128,
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"Unknown option: `-%s'\nUsage: %s [ -bcdefilmnqstvVxX ] [ argument ... ]");
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# endif /* convex */
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#endif /* apollo */
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elst[ERR_COMPCOM] = CSAVS(1, 129, "\nInvalid completion: \"%s\"");
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elst[ERR_COMPINV] = CSAVS(1, 130, "\nInvalid %s: '%c'");
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elst[ERR_COMPMIS] = CSAVS(1, 131,
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"\nMissing separator '%c' after %s \"%s\"");
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elst[ERR_COMPINC] = CSAVS(1, 132, "\nIncomplete %s: \"%s\"");
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elst[ERR_MFLAG] = CSAVS(1, 133, "No operand for -m flag");
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elst[ERR_ULIMUS] = CSAVS(1, 134, "Usage: unlimit [-fh] [limits]");
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elst[ERR_READONLY] = CSAVS(1, 135, "$%S is read-only");
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elst[ERR_BADJOB] = CSAVS(1, 136, "No such job (badjob)");
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elst[ERR_BADCOLORVAR] = CSAVS(1, 137, "Unknown colorls variable '%c%c'");
|
|
elst[ERR_EOF] = CSAVS(1, 138, "Unexpected end of file");
|
|
}
|
|
|
|
/* Cleanup data. */
|
|
struct cleanup_entry
|
|
{
|
|
void *var;
|
|
void (*fn) (void *);
|
|
#ifdef CLEANUP_DEBUG
|
|
const char *file;
|
|
size_t line;
|
|
#endif
|
|
};
|
|
|
|
static struct cleanup_entry *cleanup_stack INIT_ZERO; /* = NULL; */
|
|
static size_t cleanup_sp INIT_ZERO; /* = 0; Next free entry */
|
|
static size_t cleanup_mark INIT_ZERO; /* = 0; Last entry to handle before unwinding */
|
|
static size_t cleanup_stack_size INIT_ZERO; /* = 0 */
|
|
|
|
/* fn() will be run with all signals blocked, so it should not do anything
|
|
risky. */
|
|
void
|
|
cleanup_push_internal(void *var, void (*fn) (void *)
|
|
#ifdef CLEANUP_DEBUG
|
|
, const char *file, size_t line
|
|
#endif
|
|
)
|
|
{
|
|
struct cleanup_entry *ce;
|
|
|
|
if (cleanup_sp == cleanup_stack_size) {
|
|
if (cleanup_stack_size == 0)
|
|
cleanup_stack_size = 64; /* Arbitrary */
|
|
else
|
|
cleanup_stack_size *= 2;
|
|
cleanup_stack = xrealloc(cleanup_stack,
|
|
cleanup_stack_size * sizeof (*cleanup_stack));
|
|
}
|
|
ce = cleanup_stack + cleanup_sp;
|
|
ce->var = var;
|
|
ce->fn = fn;
|
|
#ifdef CLEANUP_DEBUG
|
|
ce->file = file;
|
|
ce->line = line;
|
|
#endif
|
|
cleanup_sp++;
|
|
}
|
|
|
|
static void
|
|
cleanup_ignore_fn(void *dummy)
|
|
{
|
|
USE(dummy);
|
|
}
|
|
|
|
void
|
|
cleanup_ignore(void *var)
|
|
{
|
|
struct cleanup_entry *ce;
|
|
|
|
ce = cleanup_stack + cleanup_sp;
|
|
while (ce != cleanup_stack) {
|
|
ce--;
|
|
if (ce->var == var) {
|
|
ce->fn = cleanup_ignore_fn;
|
|
return;
|
|
}
|
|
}
|
|
abort();
|
|
}
|
|
|
|
void
|
|
cleanup_until(void *last_var)
|
|
{
|
|
while (cleanup_sp != 0) {
|
|
struct cleanup_entry ce;
|
|
|
|
cleanup_sp--;
|
|
ce = cleanup_stack[cleanup_sp];
|
|
ce.fn(ce.var);
|
|
if (ce.var == last_var)
|
|
return;
|
|
}
|
|
abort();
|
|
}
|
|
|
|
int
|
|
cleanup_reset(void)
|
|
{
|
|
return cleanup_sp > cleanup_mark;
|
|
}
|
|
|
|
void
|
|
cleanup_until_mark(void)
|
|
{
|
|
while (cleanup_sp > cleanup_mark) {
|
|
struct cleanup_entry ce;
|
|
|
|
cleanup_sp--;
|
|
ce = cleanup_stack[cleanup_sp];
|
|
ce.fn(ce.var);
|
|
}
|
|
}
|
|
|
|
size_t
|
|
cleanup_push_mark(void)
|
|
{
|
|
size_t old_mark;
|
|
|
|
old_mark = cleanup_mark;
|
|
cleanup_mark = cleanup_sp;
|
|
return old_mark;
|
|
}
|
|
|
|
void
|
|
cleanup_pop_mark(size_t mark)
|
|
{
|
|
assert (mark <= cleanup_sp);
|
|
cleanup_mark = mark;
|
|
}
|
|
|
|
void
|
|
sigint_cleanup(void *xsa)
|
|
{
|
|
const struct sigaction *sa;
|
|
|
|
sa = xsa;
|
|
sigaction(SIGINT, sa, NULL);
|
|
}
|
|
|
|
void
|
|
sigprocmask_cleanup(void *xmask)
|
|
{
|
|
sigset_t *mask;
|
|
|
|
mask = xmask;
|
|
sigprocmask(SIG_SETMASK, mask, NULL);
|
|
}
|
|
|
|
void
|
|
open_cleanup(void *xptr)
|
|
{
|
|
int *ptr;
|
|
|
|
ptr = xptr;
|
|
xclose(*ptr);
|
|
}
|
|
|
|
void
|
|
opendir_cleanup(void *xdir)
|
|
{
|
|
DIR *dir;
|
|
|
|
dir = xdir;
|
|
xclosedir(dir);
|
|
}
|
|
|
|
void
|
|
xfree_indirect(void *xptr)
|
|
{
|
|
void **ptr; /* This is actually type punning :( */
|
|
|
|
ptr = xptr;
|
|
xfree(*ptr);
|
|
}
|
|
|
|
void
|
|
reset(void)
|
|
{
|
|
cleanup_until_mark();
|
|
_reset();
|
|
abort();
|
|
}
|
|
|
|
/*
|
|
* The parser and scanner set up errors for later by calling seterr,
|
|
* which sets the variable err as a side effect; later to be tested,
|
|
* e.g. in process.
|
|
*/
|
|
void
|
|
/*VARARGS1*/
|
|
seterror(unsigned int id, ...)
|
|
{
|
|
if (seterr == 0) {
|
|
va_list va;
|
|
|
|
va_start(va, id);
|
|
if (id >= sizeof(elst) / sizeof(elst[0]))
|
|
id = ERR_INVALID;
|
|
seterr = xvasprintf(elst[id], va);
|
|
va_end(va);
|
|
}
|
|
}
|
|
|
|
void
|
|
fixerror(void)
|
|
{
|
|
didfds = 0; /* Forget about 0,1,2 */
|
|
/*
|
|
* Go away if -e or we are a child shell
|
|
*/
|
|
if (!exitset || exiterr || child)
|
|
xexit(1);
|
|
|
|
/*
|
|
* Reset the state of the input. This buffered seek to end of file will
|
|
* also clear the while/foreach stack.
|
|
*/
|
|
btoeof();
|
|
|
|
setcopy(STRstatus, STR1, VAR_READWRITE);/*FIXRESET*/
|
|
#ifdef BSDJOBS
|
|
if (tpgrp > 0)
|
|
(void) tcsetpgrp(FSHTTY, tpgrp);
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* Print the error with the given id.
|
|
*
|
|
* Special ids:
|
|
* ERR_SILENT: Print nothing.
|
|
* ERR_OLD: Print the previously set error
|
|
* ERR_NAME: If this bit is set, print the name of the function
|
|
* in bname
|
|
*
|
|
* This routine always resets or exits. The flag haderr
|
|
* is set so the routine who catches the unwind can propogate
|
|
* it if they want.
|
|
*
|
|
* Note that any open files at the point of error will eventually
|
|
* be closed in the routine process in sh.c which is the only
|
|
* place error unwinds are ever caught.
|
|
*/
|
|
void
|
|
/*VARARGS*/
|
|
stderror(unsigned int id, ...)
|
|
{
|
|
va_list va;
|
|
int flags;
|
|
|
|
va_start(va, id);
|
|
|
|
/*
|
|
* Reset don't free flag for buggy os's
|
|
*/
|
|
dont_free = 0;
|
|
|
|
flags = (int) id & ERR_FLAGS;
|
|
id &= ~ERR_FLAGS;
|
|
|
|
/* Pyramid's OS/x has a subtle bug in <varargs.h> which prevents calling
|
|
* va_end more than once in the same function. -- sterling@netcom.com
|
|
*/
|
|
assert(!((flags & ERR_OLD) && seterr == NULL));
|
|
|
|
if (id >= sizeof(elst) / sizeof(elst[0]))
|
|
id = ERR_INVALID;
|
|
|
|
if (!(flags & ERR_SILENT)) {
|
|
/*
|
|
* Must flush before we print as we wish output before the error
|
|
* to go on (some form of) standard output, while output after
|
|
* goes on (some form of) diagnostic output. If didfds then output
|
|
* will go to 1/2 else to FSHOUT/FSHDIAG. See flush in sh.print.c.
|
|
*/
|
|
flush();/*FIXRESET*/
|
|
haderr = 1; /* Now to diagnostic output */
|
|
if (enterhist)
|
|
xprintf("Can't load history: ");/*FIXRESET*/
|
|
if (flags & ERR_NAME)
|
|
xprintf("%s: ", bname);/*FIXRESET*/
|
|
if ((flags & ERR_OLD)) {
|
|
/* Old error. */
|
|
xprintf("%s.\n", seterr);/*FIXRESET*/
|
|
} else {
|
|
xvprintf(elst[id], va);/*FIXRESET*/
|
|
xprintf(".\n");/*FIXRESET*/
|
|
}
|
|
}
|
|
va_end(va);
|
|
|
|
if (seterr) {
|
|
xfree(seterr);
|
|
seterr = NULL;
|
|
}
|
|
|
|
fixerror();
|
|
|
|
reset(); /* Unwind */
|
|
}
|