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53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
/*
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* Copyright (c) 2016 Nicholas Marriott <nicholas.marriott@gmail.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <stdarg.h>
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#include <string.h>
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#include "compat.h"
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#if defined(HAVE_PRCTL) && defined(HAVE_PR_SET_NAME)
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#include <sys/prctl.h>
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void
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setproctitle(const char *fmt, ...)
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{
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char title[16], name[16], *cp;
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va_list ap;
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int used;
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va_start(ap, fmt);
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vsnprintf(title, sizeof title, fmt, ap);
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va_end(ap);
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used = snprintf(name, sizeof name, "%s: %s", getprogname(), title);
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if (used >= (int)sizeof name) {
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cp = strrchr(name, ' ');
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if (cp != NULL)
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*cp = '\0';
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}
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prctl(PR_SET_NAME, name);
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}
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#else
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void
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setproctitle(__unused const char *fmt, ...)
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{
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}
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#endif
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