52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Utility routines.
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*
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* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
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*
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* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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*/
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#include "libbb.h"
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#include <syslog.h>
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smallint logmode = LOGMODE_STDIO;
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const char *msg_eol = "\n";
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void bb_verror_msg(const char *s, va_list p, const char* strerr)
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{
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/* va_copy is used because it is not portable
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* to use va_list p twice */
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va_list p2;
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va_copy(p2, p);
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if (!s) /* nomsg[_and_die] uses NULL fmt */
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s = ""; /* some libc don't like printf(NULL) */
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if (logmode & LOGMODE_STDIO) {
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fflush(stdout);
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fprintf(stderr, "%s: ", applet_name);
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vfprintf(stderr, s, p);
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if (!strerr)
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fputs(msg_eol, stderr);
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else
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fprintf(stderr, "%s%s%s",
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s[0] ? ": " : "",
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strerr, msg_eol);
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}
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if (ENABLE_FEATURE_SYSLOG && (logmode & LOGMODE_SYSLOG)) {
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if (!strerr)
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vsyslog(LOG_ERR, s, p2);
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else {
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char *msg;
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if (vasprintf(&msg, s, p2) < 0) {
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fprintf(stderr, "%s: %s\n", applet_name, bb_msg_memory_exhausted);
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xfunc_die();
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}
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syslog(LOG_ERR, "%s: %s", msg, strerr);
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free(msg);
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}
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}
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va_end(p2);
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}
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