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HardenedBSD/contrib/tcsh/sh.err.c
Mark Peek 9ccc37e320 Update to tcsh 6.18.01.
2012-02-22 03:36:15 +00:00

657 lines
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C
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/* $Header: /p/tcsh/cvsroot/tcsh/sh.err.c,v 3.55 2011/02/25 23:58:34 christos Exp $ */
/*
* sh.err.c: Error printing routines.
*/
/*-
* Copyright (c) 1980, 1991 The Regents of the University of California.
* All rights reserved.
*
* 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.
*/
#define _h_sh_err /* Don't redefine the errors */
#include "sh.h"
#include <assert.h>
RCSID("$tcsh: sh.err.c,v 3.55 2011/02/25 23:58:34 christos Exp $")
/*
* C Shell
*/
#ifdef lint
#undef va_arg
#define va_arg(a, b) (a ? (b) 0 : (b) 0)
#endif
char *seterr = NULL; /* Holds last error if there was one */
#define ERR_FLAGS 0xf0000000
#define ERR_NAME 0x10000000
#define ERR_SILENT 0x20000000
#define ERR_OLD 0x40000000
#define ERR_INTERRUPT 0x80000000
#define ERR_SYNTAX 0
#define ERR_NOTALLOWED 1
#define ERR_WTOOLONG 2
#define ERR_LTOOLONG 3
#define ERR_DOLZERO 4
#define ERR_INCBR 5
#define ERR_EXPORD 6
#define ERR_BADMOD 7
#define ERR_SUBSCRIPT 8
#define ERR_BADNUM 9
#define ERR_NOMORE 10
#define ERR_FILENAME 11
#define ERR_GLOB 12
#define ERR_COMMAND 13
#define ERR_TOOFEW 14
#define ERR_TOOMANY 15
#define ERR_DANGER 16
#define ERR_EMPTYIF 17
#define ERR_IMPRTHEN 18
#define ERR_NOPAREN 19
#define ERR_NOTFOUND 20
#define ERR_MASK 21
#define ERR_LIMIT 22
#define ERR_TOOLARGE 23
#define ERR_SCALEF 24
#define ERR_UNDVAR 25
#define ERR_DEEP 26
#define ERR_BADSIG 27
#define ERR_UNKSIG 28
#define ERR_VARBEGIN 29
#define ERR_VARTOOLONG 30
#define ERR_VARALNUM 31
#define ERR_JOBCONTROL 32
#define ERR_EXPRESSION 33
#define ERR_NOHOMEDIR 34
#define ERR_CANTCHANGE 35
#define ERR_NULLCOM 36
#define ERR_ASSIGN 37
#define ERR_UNKNOWNOP 38
#define ERR_AMBIG 39
#define ERR_EXISTS 40
#define ERR_ARGC 41
#define ERR_INTR 42
#define ERR_RANGE 43
#define ERR_OVERFLOW 44
#define ERR_NOSUCHJOB 45
#define ERR_TERMINAL 46
#define ERR_NOTWHILE 47
#define ERR_NOPROC 48
#define ERR_NOMATCH 49
#define ERR_MISSING 50
#define ERR_UNMATCHED 51
#define ERR_NOMEM 52
#define ERR_PIPE 53
#define ERR_SYSTEM 54
#define ERR_STRING 55
#define ERR_JOBS 56
#define ERR_JOBARGS 57
#define ERR_JOBCUR 58
#define ERR_JOBPREV 59
#define ERR_JOBPAT 60
#define ERR_NESTING 61
#define ERR_JOBCTRLSUB 62
#define ERR_SYNC 63
#define ERR_STOPPED 64
#define ERR_NODIR 65
#define ERR_EMPTY 66
#define ERR_BADDIR 67
#define ERR_DIRUS 68
#define ERR_HFLAG 69
#define ERR_NOTLOGIN 70
#define ERR_DIV0 71
#define ERR_MOD0 72
#define ERR_BADSCALE 73
#define ERR_SUSPLOG 74
#define ERR_UNKUSER 75
#define ERR_NOHOME 76
#define ERR_HISTUS 77
#define ERR_SPDOLLT 78
#define ERR_NEWLINE 79
#define ERR_SPSTAR 80
#define ERR_DIGIT 81
#define ERR_VARILL 82
#define ERR_NLINDEX 83
#define ERR_EXPOVFL 84
#define ERR_VARSYN 85
#define ERR_BADBANG 86
#define ERR_NOSUBST 87
#define ERR_BADSUBST 88
#define ERR_LHS 89
#define ERR_RHSLONG 90
#define ERR_BADBANGMOD 91
#define ERR_MODFAIL 92
#define ERR_SUBOVFL 93
#define ERR_BADBANGARG 94
#define ERR_NOSEARCH 95
#define ERR_NOEVENT 96
#define ERR_TOOMANYRP 97
#define ERR_TOOMANYLP 98
#define ERR_BADPLP 99
#define ERR_MISRED 100
#define ERR_OUTRED 101
#define ERR_REDPAR 102
#define ERR_INRED 103
#define ERR_BADPLPS 104
#define ERR_ALIASLOOP 105
#define ERR_NOWATCH 106
#define ERR_NOSCHED 107
#define ERR_SCHEDUSAGE 108
#define ERR_SCHEDEV 109
#define ERR_SCHEDCOM 110
#define ERR_SCHEDTIME 111
#define ERR_SCHEDREL 112
#define ERR_TCNOSTR 113
#define ERR_SETTCUS 114
#define ERR_TCCAP 115
#define ERR_TCPARM 116
#define ERR_TCARGS 117
#define ERR_TCNARGS 118
#define ERR_TCUSAGE 119
#define ERR_ARCH 120
#define ERR_HISTLOOP 121
#define ERR_FILEINQ 122
#define ERR_SELOVFL 123
#define ERR_TCSHUSAGE 124
#define ERR_COMPCOM 125
#define ERR_COMPINV 126
#define ERR_COMPMIS 127
#define ERR_COMPINC 128
#define ERR_MFLAG 129
#define ERR_ULIMUS 130
#define ERR_READONLY 131
#define ERR_BADJOB 132
#define ERR_INVALID 133
#define ERR_BADCOLORVAR 134
#define ERR_EOF 135
#define NO_ERRORS 136
static const char *elst[NO_ERRORS] INIT_ZERO_STRUCT;
/*
* Init the elst depending on the locale
*/
void
errinit(void)
{
#ifdef NLS_CATALOGS
size_t i;
for (i = 0; i < NO_ERRORS; i++)
xfree((char *)(intptr_t)elst[i]);
# if defined(__FreeBSD__) || defined(hpux) || defined(__MidnightBSD__)
# define NLS_MAXSET 30
for (i = 1; i <= NLS_MAXSET; i++)
CGETS(i, 1, "" );
# endif
#endif
elst[ERR_SYNTAX] = CSAVS(1, 1, "Syntax Error");
elst[ERR_NOTALLOWED] = CSAVS(1, 2, "%s is not allowed");
elst[ERR_WTOOLONG] = CSAVS(1, 3, "Word too long");
elst[ERR_LTOOLONG] = CSAVS(1, 4, "$< line too long");
elst[ERR_DOLZERO] = CSAVS(1, 5, "No file for $0");
elst[ERR_INCBR] = CSAVS(1, 6, "Incomplete [] modifier");
elst[ERR_EXPORD] = CSAVS(1, 7, "$ expansion must end before ]");
elst[ERR_BADMOD] = CSAVS(1, 8, "Bad : modifier in $ (%c)");
elst[ERR_SUBSCRIPT] = CSAVS(1, 9, "Subscript error");
elst[ERR_BADNUM] = CSAVS(1, 10, "Badly formed number");
elst[ERR_NOMORE] = CSAVS(1, 11, "No more words");
elst[ERR_FILENAME] = CSAVS(1, 12, "Missing file name");
elst[ERR_GLOB] = CSAVS(1, 13, "Internal glob error");
elst[ERR_COMMAND] = CSAVS(1, 14, "Command not found");
elst[ERR_TOOFEW] = CSAVS(1, 15, "Too few arguments");
elst[ERR_TOOMANY] = CSAVS(1, 16, "Too many arguments");
elst[ERR_DANGER] = CSAVS(1, 17, "Too dangerous to alias that");
elst[ERR_EMPTYIF] = CSAVS(1, 18, "Empty if");
elst[ERR_IMPRTHEN] = CSAVS(1, 19, "Improper then");
elst[ERR_NOPAREN] = CSAVS(1, 20, "Words not parenthesized");
elst[ERR_NOTFOUND] = CSAVS(1, 21, "%s not found");
elst[ERR_MASK] = CSAVS(1, 22, "Improper mask");
elst[ERR_LIMIT] = CSAVS(1, 23, "No such limit");
elst[ERR_TOOLARGE] = CSAVS(1, 24, "Argument too large");
elst[ERR_SCALEF] = CSAVS(1, 25, "Improper or unknown scale factor");
elst[ERR_UNDVAR] = CSAVS(1, 26, "Undefined variable");
elst[ERR_DEEP] = CSAVS(1, 27, "Directory stack not that deep");
elst[ERR_BADSIG] = CSAVS(1, 28, "Bad signal number");
elst[ERR_UNKSIG] = CSAVS(1, 29, "Unknown signal; kill -l lists signals");
elst[ERR_VARBEGIN] = CSAVS(1, 30, "Variable name must begin with a letter");
elst[ERR_VARTOOLONG] = CSAVS(1, 31, "Variable name too long");
elst[ERR_VARALNUM] = CSAVS(1, 32,
"Variable name must contain alphanumeric characters");
elst[ERR_JOBCONTROL] = CSAVS(1, 33, "No job control in this shell");
elst[ERR_EXPRESSION] = CSAVS(1, 34, "Expression Syntax");
elst[ERR_NOHOMEDIR] = CSAVS(1, 35, "No home directory");
elst[ERR_CANTCHANGE] = CSAVS(1, 36, "Can't change to home directory");
elst[ERR_NULLCOM] = CSAVS(1, 37, "Invalid null command");
elst[ERR_ASSIGN] = CSAVS(1, 38, "Assignment missing expression");
elst[ERR_UNKNOWNOP] = CSAVS(1, 39, "Unknown operator");
elst[ERR_AMBIG] = CSAVS(1, 40, "Ambiguous");
elst[ERR_EXISTS] = CSAVS(1, 41, "%s: File exists");
elst[ERR_ARGC] = CSAVS(1, 42, "Argument for -c ends in backslash");
elst[ERR_INTR] = CSAVS(1, 43, "Interrupted");
elst[ERR_RANGE] = CSAVS(1, 44, "Subscript out of range");
elst[ERR_OVERFLOW] = CSAVS(1, 45, "Line overflow");
elst[ERR_NOSUCHJOB] = CSAVS(1, 46, "No such job");
elst[ERR_TERMINAL] = CSAVS(1, 47, "Can't from terminal");
elst[ERR_NOTWHILE] = CSAVS(1, 48, "Not in while/foreach");
elst[ERR_NOPROC] = CSAVS(1, 49, "No more processes");
elst[ERR_NOMATCH] = CSAVS(1, 50, "No match");
elst[ERR_MISSING] = CSAVS(1, 51, "Missing %c");
elst[ERR_UNMATCHED] = CSAVS(1, 52, "Unmatched %c");
elst[ERR_NOMEM] = CSAVS(1, 53, "Out of memory");
elst[ERR_PIPE] = CSAVS(1, 54, "Can't make pipe");
elst[ERR_SYSTEM] = CSAVS(1, 55, "%s: %s");
elst[ERR_STRING] = CSAVS(1, 56, "%s");
elst[ERR_JOBS] = CSAVS(1, 57, "Usage: jobs [ -l ]");
elst[ERR_JOBARGS] = CSAVS(1, 58, "Arguments should be jobs or process id's");
elst[ERR_JOBCUR] = CSAVS(1, 59, "No current job");
elst[ERR_JOBPREV] = CSAVS(1, 60, "No previous job");
elst[ERR_JOBPAT] = CSAVS(1, 61, "No job matches pattern");
elst[ERR_NESTING] = CSAVS(1, 62, "Fork nesting > %d; maybe `...` loop");
elst[ERR_JOBCTRLSUB] = CSAVS(1, 63, "No job control in subshells");
elst[ERR_SYNC] = CSAVS(1, 64, "Sync fault: Process %d not found");
elst[ERR_STOPPED] =
#ifdef SUSPENDED
CSAVS(1, 65, "%sThere are suspended jobs");
#else
CSAVS(1, 66, "%sThere are stopped jobs");
#endif /* SUSPENDED */
elst[ERR_NODIR] = CSAVS(1, 67, "No other directory");
elst[ERR_EMPTY] = CSAVS(1, 68, "Directory stack empty");
elst[ERR_BADDIR] = CSAVS(1, 69, "Bad directory");
elst[ERR_DIRUS] = CSAVS(1, 70, "Usage: %s [-%s]%s");
elst[ERR_HFLAG] = CSAVS(1, 71, "No operand for -h flag");
elst[ERR_NOTLOGIN] = CSAVS(1, 72, "Not a login shell");
elst[ERR_DIV0] = CSAVS(1, 73, "Division by 0");
elst[ERR_MOD0] = CSAVS(1, 74, "Mod by 0");
elst[ERR_BADSCALE] = CSAVS(1, 75, "Bad scaling; did you mean \"%s\"?");
elst[ERR_SUSPLOG] = CSAVS(1, 76, "Can't suspend a login shell (yet)");
elst[ERR_UNKUSER] = CSAVS(1, 77, "Unknown user: %s");
elst[ERR_NOHOME] = CSAVS(1, 78, "No $home variable set");
elst[ERR_HISTUS] = CSAVS(1, 79,
"Usage: history [-%s] [# number of events]");
elst[ERR_SPDOLLT] = CSAVS(1, 80, "$, ! or < not allowed with $# or $?");
elst[ERR_NEWLINE] = CSAVS(1, 81, "Newline in variable name");
elst[ERR_SPSTAR] = CSAVS(1, 82, "* not allowed with $# or $?");
elst[ERR_DIGIT] = CSAVS(1, 83, "$?<digit> or $#<digit> not allowed");
elst[ERR_VARILL] = CSAVS(1, 84, "Illegal variable name");
elst[ERR_NLINDEX] = CSAVS(1, 85, "Newline in variable index");
elst[ERR_EXPOVFL] = CSAVS(1, 86, "Expansion buffer overflow");
elst[ERR_VARSYN] = CSAVS(1, 87, "Variable syntax");
elst[ERR_BADBANG] = CSAVS(1, 88, "Bad ! form");
elst[ERR_NOSUBST] = CSAVS(1, 89, "No previous substitute");
elst[ERR_BADSUBST] = CSAVS(1, 90, "Bad substitute");
elst[ERR_LHS] = CSAVS(1, 91, "No previous left hand side");
elst[ERR_RHSLONG] = CSAVS(1, 92, "Right hand side too long");
elst[ERR_BADBANGMOD] = CSAVS(1, 93, "Bad ! modifier: %c");
elst[ERR_MODFAIL] = CSAVS(1, 94, "Modifier failed");
elst[ERR_SUBOVFL] = CSAVS(1, 95, "Substitution buffer overflow");
elst[ERR_BADBANGARG] = CSAVS(1, 96, "Bad ! arg selector");
elst[ERR_NOSEARCH] = CSAVS(1, 97, "No prev search");
elst[ERR_NOEVENT] = CSAVS(1, 98, "%s: Event not found");
elst[ERR_TOOMANYRP] = CSAVS(1, 99, "Too many )'s");
elst[ERR_TOOMANYLP] = CSAVS(1, 100, "Too many ('s");
elst[ERR_BADPLP] = CSAVS(1, 101, "Badly placed (");
elst[ERR_MISRED] = CSAVS(1, 102, "Missing name for redirect");
elst[ERR_OUTRED] = CSAVS(1, 103, "Ambiguous output redirect");
elst[ERR_REDPAR] = CSAVS(1, 104, "Can't << within ()'s");
elst[ERR_INRED] = CSAVS(1, 105, "Ambiguous input redirect");
elst[ERR_BADPLPS] = CSAVS(1, 106, "Badly placed ()'s");
elst[ERR_ALIASLOOP] = CSAVS(1, 107, "Alias loop");
elst[ERR_NOWATCH] = CSAVS(1, 108, "No $watch variable set");
elst[ERR_NOSCHED] = CSAVS(1, 109, "No scheduled events");
elst[ERR_SCHEDUSAGE] = CSAVS(1, 110,
"Usage: sched -<item#>.\nUsage: sched [+]hh:mm <command>");
elst[ERR_SCHEDEV] = CSAVS(1, 111, "Not that many scheduled events");
elst[ERR_SCHEDCOM] = CSAVS(1, 112, "No command to run");
elst[ERR_SCHEDTIME] = CSAVS(1, 113, "Invalid time for event");
elst[ERR_SCHEDREL] = CSAVS(1, 114, "Relative time inconsistent with am/pm");
elst[ERR_TCNOSTR] = CSAVS(1, 115, "Out of termcap string space");
elst[ERR_SETTCUS] = CSAVS(1, 116, "Usage: settc %s [yes|no]");
elst[ERR_TCCAP] = CSAVS(1, 117, "Unknown capability `%s'");
elst[ERR_TCPARM] = CSAVS(1, 118, "Unknown termcap parameter `%%%c'");
elst[ERR_TCARGS] = CSAVS(1, 119, "Too many arguments for `%s' (%d)");
elst[ERR_TCNARGS] = CSAVS(1, 120, "`%s' requires %d arguments");
elst[ERR_TCUSAGE] = CSAVS(1, 121,
"Usage: echotc [-v|-s] [<capability> [<args>]]");
elst[ERR_ARCH] = CSAVS(1, 122, "%s: %s. Binary file not executable");
elst[ERR_HISTLOOP] = CSAVS(1, 123, "!# History loop");
elst[ERR_FILEINQ] = CSAVS(1, 124, "Malformed file inquiry");
elst[ERR_SELOVFL] = CSAVS(1, 125, "Selector overflow");
#ifdef apollo
elst[ERR_TCSHUSAGE] = CSAVS(1, 126,
"Unknown option: `-%s'\nUsage: %s [ -bcdefilmnqstvVxX -Dname[=value] ] [ argument ... ]");
#else /* !apollo */
# ifdef convex
elst[ERR_TCSHUSAGE] = CSAVS(1, 127,
"Unknown option: `-%s'\nUsage: %s [ -bcdefFilmnqstvVxX ] [ argument ... ]");
# else /* rest */
elst[ERR_TCSHUSAGE] = CSAVS(1, 128,
"Unknown option: `-%s'\nUsage: %s [ -bcdefilmnqstvVxX ] [ argument ... ]");
# endif /* convex */
#endif /* apollo */
elst[ERR_COMPCOM] = CSAVS(1, 129, "\nInvalid completion: \"%s\"");
elst[ERR_COMPINV] = CSAVS(1, 130, "\nInvalid %s: '%c'");
elst[ERR_COMPMIS] = CSAVS(1, 131,
"\nMissing separator '%c' after %s \"%s\"");
elst[ERR_COMPINC] = CSAVS(1, 132, "\nIncomplete %s: \"%s\"");
elst[ERR_MFLAG] = CSAVS(1, 133, "No operand for -m flag");
elst[ERR_ULIMUS] = CSAVS(1, 134, "Usage: unlimit [-fh] [limits]");
elst[ERR_READONLY] = CSAVS(1, 135, "$%S is read-only");
elst[ERR_BADJOB] = CSAVS(1, 136, "No such job (badjob)");
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; /* = NULL; */
static size_t cleanup_sp; /* = 0; Next free entry */
static size_t cleanup_mark; /* = 0; Last entry to handle before unwinding */
static size_t cleanup_stack_size; /* = 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 (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 */
}
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