Last change
on this file since 3882 was 3320, checked in by Bruno Cornec, 10 years ago |
- Re-add (thanks git BTW) the 2.2.9 branch which had been destroyed in
the move to 3.0
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-
Property svn:eol-style
set to
native
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File size:
1.1 KB
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Rev | Line | |
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[3320] | 1 | /* vi: set sw=4 ts=4: */
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| 2 | /*
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| 3 | * Utility routines.
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| 4 | *
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| 5 | * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
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| 6 | *
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| 7 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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| 8 | */
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| 9 |
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| 10 | #include "libbb.h"
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| 11 |
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| 12 | int die_sleep;
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| 13 | #if ENABLE_FEATURE_PREFER_APPLETS || ENABLE_HUSH
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| 14 | jmp_buf die_jmp;
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| 15 | #endif
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| 16 |
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| 17 | void xfunc_die(void)
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| 18 | {
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| 19 | if (die_sleep) {
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| 20 | if ((ENABLE_FEATURE_PREFER_APPLETS || ENABLE_HUSH)
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| 21 | && die_sleep < 0
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| 22 | ) {
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| 23 | /* Special case. We arrive here if NOFORK applet
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| 24 | * calls xfunc, which then decides to die.
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| 25 | * We don't die, but jump instead back to caller.
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| 26 | * NOFORK applets still cannot carelessly call xfuncs:
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| 27 | * p = xmalloc(10);
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| 28 | * q = xmalloc(10); // BUG! if this dies, we leak p!
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| 29 | */
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| 30 | /* -2222 means "zero" (longjmp can't pass 0)
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| 31 | * run_nofork_applet() catches -2222. */
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| 32 | longjmp(die_jmp, xfunc_error_retval ? xfunc_error_retval : -2222);
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| 33 | }
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| 34 | sleep(die_sleep);
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| 35 | }
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| 36 | exit(xfunc_error_retval);
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| 37 | }
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| 38 |
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| 39 | void bb_error_msg_and_die(const char *s, ...)
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| 40 | {
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| 41 | va_list p;
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| 42 |
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| 43 | va_start(p, s);
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| 44 | bb_verror_msg(s, p, NULL);
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| 45 | va_end(p);
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| 46 | xfunc_die();
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| 47 | }
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