diff options
Diffstat (limited to 'compat/setproctitle.c')
| -rw-r--r-- | compat/setproctitle.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/compat/setproctitle.c b/compat/setproctitle.c new file mode 100644 index 0000000..e72ae27 --- /dev/null +++ b/compat/setproctitle.c @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2016 Nicholas Marriott <nicholas.marriott@gmail.com> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER + * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING + * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <sys/types.h> + +#include <stdarg.h> +#include <string.h> + +#include "compat.h" + +#if defined(HAVE_PRCTL) && defined(HAVE_PR_SET_NAME) + +#include <sys/prctl.h> + +void +setproctitle(const char *fmt, ...) +{ + char title[16], name[16], *cp; + va_list ap; + int used; + + va_start(ap, fmt); + vsnprintf(title, sizeof title, fmt, ap); + va_end(ap); + + used = snprintf(name, sizeof name, "%s: %s", getprogname(), title); + if (used >= (int)sizeof name) { + cp = strrchr(name, ' '); + if (cp != NULL) + *cp = '\0'; + } + prctl(PR_SET_NAME, name); +} +#else +void +setproctitle(__unused const char *fmt, ...) +{ +} +#endif |