diff options
Diffstat (limited to 'foobar/portable/openbsd-compat/progname.c')
-rw-r--r-- | foobar/portable/openbsd-compat/progname.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/foobar/portable/openbsd-compat/progname.c b/foobar/portable/openbsd-compat/progname.c new file mode 100644 index 00000000..b8b9ae30 --- /dev/null +++ b/foobar/portable/openbsd-compat/progname.c @@ -0,0 +1,62 @@ + +/* + * Copyright (c) 1999-2004 Damien Miller <djm@mindrot.org> + * + * 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 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 "includes.h" + +#include <sys/types.h> +#ifdef HAVE_SYS_SELECT_H +# include <sys/select.h> +#endif +#ifdef HAVE_SYS_TIME_H +# include <sys/time.h> +#endif + +#include <err.h> +#include <string.h> +#include <signal.h> +#include <stdlib.h> +#include <time.h> +#include <unistd.h> + +/* + * NB. duplicate __progname in case it is an alias for argv[0] + * Otherwise it may get clobbered by setproctitle() + */ +char *get_progname(char *argv0) +{ + char *retp; +#ifdef HAVE___PROGNAME + extern char *__progname; + + if ((retp = strdup(__progname)) == NULL) + err(1, NULL); +#else + char *p; + + if (argv0 == NULL) + return ("unknown"); /* XXX */ + p = strrchr(argv0, '/'); + if (p == NULL) + p = argv0; + else + p++; + + if ((retp = strdup(p)) == NULL) + err(1, NULL); +#endif + return retp; +} |