diff options
| -rw-r--r-- | include/stdlib.h | 3 | ||||
| -rw-r--r-- | lib/libc/gen/Makefile.inc | 8 | ||||
| -rw-r--r-- | lib/libc/gen/getprogname.3 | 92 | ||||
| -rw-r--r-- | lib/libc/gen/getprogname.c | 13 | ||||
| -rw-r--r-- | lib/libc/gen/setprogname.c | 13 |
5 files changed, 126 insertions, 3 deletions
diff --git a/include/stdlib.h b/include/stdlib.h index 4d5ed30..c0ec987 100644 --- a/include/stdlib.h +++ b/include/stdlib.h @@ -157,6 +157,8 @@ int cgetustr __P((char *, char *, char **)); int daemon __P((int, int)); char *devname __P((int, int)); int getloadavg __P((double [], int)); +const char * + getprogname __P((void)); char *group_from_gid __P((unsigned long, int)); int heapsort __P((void *, size_t, size_t, @@ -172,6 +174,7 @@ int rand_r __P((unsigned *)); long random __P((void)); void *reallocf __P((void *, size_t)); char *realpath __P((const char *, char resolved_path[])); +void setprogname __P((const char *)); char *setstate __P((char *)); void srandom __P((unsigned long)); void sranddev __P((void)); diff --git a/lib/libc/gen/Makefile.inc b/lib/libc/gen/Makefile.inc index 96ec3b9..47a137f 100644 --- a/lib/libc/gen/Makefile.inc +++ b/lib/libc/gen/Makefile.inc @@ -13,7 +13,7 @@ SRCS+= __xuname.c _pthread_stubs.c _rand48.c _spinlock_stub.c _thread_init.c \ getcap.c getcwd.c getdomainname.c getgrent.c getgrouplist.c \ gethostname.c getloadavg.c getlogin.c getmntinfo.c getnetgrent.c \ getobjformat.c getosreldate.c getpagesize.c \ - getpass.c getpwent.c getttyent.c \ + getpass.c getprogname.c getpwent.c getttyent.c \ getusershell.c getvfsbyname.c getvfsent.c glob.c \ initgroups.c isatty.c jrand48.c lcong48.c \ lockf.c lrand48.c mrand48.c msgctl.c \ @@ -22,7 +22,8 @@ SRCS+= __xuname.c _pthread_stubs.c _rand48.c _spinlock_stub.c _thread_init.c \ pause.c popen.c psignal.c pw_scan.c pwcache.c raise.c readdir.c rewinddir.c \ posixshm.c \ scandir.c seed48.c seekdir.c semconfig.c semctl.c semget.c semop.c \ - setdomainname.c sethostname.c setjmperr.c setmode.c setproctitle.c \ + setdomainname.c sethostname.c setjmperr.c setmode.c setprogname.c \ + setproctitle.c \ shmat.c shmctl.c shmdt.c shmget.c siginterrupt.c siglist.c signal.c \ sigsetops.c sleep.c srand48.c stringlist.c strtofflags.c \ sysconf.c sysctl.c sysctlbyname.c sysctlnametomib.c \ @@ -43,7 +44,7 @@ MAN+= alarm.3 arc4random.3 clock.3 \ getdiskbyname.3 getdomainname.3 getfsent.3 \ getgrent.3 getgrouplist.3 gethostname.3 getloadavg.3 \ getmntinfo.3 getnetgrent.3 getobjformat.3 \ - getpagesize.3 getpass.3 getpwent.3 \ + getpagesize.3 getpass.3 getprogname.3 getpwent.3 \ getttyent.3 getusershell.3 getvfsbyname.3 getvfsent.3 \ glob.3 initgroups.3 isinf.3 \ ldexp.3 lockf.3 modf.3 msgctl.3 msgget.3 msgrcv.3 msgsnd.3 \ @@ -82,6 +83,7 @@ MLINKS+=getgrent.3 endgrent.3 getgrent.3 getgrgid.3 getgrent.3 getgrnam.3 \ MLINKS+=gethostname.3 sethostname.3 MLINKS+=getnetgrent.3 endnetgrent.3 getnetgrent.3 innetgr.3 \ getnetgrent.3 setnetgrent.3 +MLINKS+=getprogname.3 setprogname.3 MLINKS+=getpwent.3 endpwent.3 getpwent.3 getpwnam.3 getpwent.3 getpwuid.3 \ getpwent.3 setpassent.3 getpwent.3 setpwent.3 getpwent.3 setpwfile.3 MLINKS+=getttyent.3 endttyent.3 getttyent.3 getttynam.3 \ diff --git a/lib/libc/gen/getprogname.3 b/lib/libc/gen/getprogname.3 new file mode 100644 index 0000000..7422595 --- /dev/null +++ b/lib/libc/gen/getprogname.3 @@ -0,0 +1,92 @@ +.\" +.\" Copyright (c) 2001 Christopher G. Demetriou +.\" All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed for the +.\" NetBSD Project. See http://www.netbsd.org/ for +.\" information about NetBSD. +.\" 4. The name of the author may not be used to endorse or promote products +.\" derived from this software without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR +.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES +.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, +.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT +.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +.\" +.\" $FreeBSD$ +.\" +.Dd May 1, 2001 +.Dt GETPROGNAME 3 +.Os +.Sh NAME +.Nm getprogname , +.Nm setprogname +.Nd get or set the program name +.Sh LIBRARY +.Lb libc +.Sh SYNOPSIS +.Fd #include <stdlib.h> +.Ft const char * +.Fn getprogname "void" +.Ft void +.Fn setprogname "const char *progname" +.Sh DESCRIPTION +The +.Fn getprogname +and +.Fn setprogname +functions manipulate the name of the current program. +They are used by error-reporting routines to produce +consistent output. +.Pp +The +.Fn getprogname +function returns the name of the program. +If the name has not been set yet, it will return +.Dv NULL . +.Pp +The +.Fn setprogname +function sets the name of the program. +Since a pointer to the given string is kept as the program name, +it should not be modified for the rest of the program's lifetime. +.Pp +In +.Fx , +the name of the program is set by the start-up code that is run before +.Fn main ; +thus, +running +.Fn setprogname +is not necessary. +Programs that desire maximum portability should still call it; +on another operating system, +these functions may be implemented in a portability library. +Calling +.Fn setprogname +allows the aforementioned library to learn the program name without +modifications to the start-up code. +.Sh SEE ALSO +.Xr err 3 , +.Xr setproctitle 3 +.Sh HISTORY +These functions first appeared in +.Nx 1.6 , +and made their way into +.Fx 5.0 . diff --git a/lib/libc/gen/getprogname.c b/lib/libc/gen/getprogname.c new file mode 100644 index 0000000..54f721a --- /dev/null +++ b/lib/libc/gen/getprogname.c @@ -0,0 +1,13 @@ +#if defined(LIBC_RCS) && !defined(lint) +static const char rcsid[] = + "$FreeBSD$"; +#endif /* LIBC_RCS and not lint */ + +extern const char *__progname; + +const char * +getprogname(void) +{ + + return (__progname); +} diff --git a/lib/libc/gen/setprogname.c b/lib/libc/gen/setprogname.c new file mode 100644 index 0000000..6c56013 --- /dev/null +++ b/lib/libc/gen/setprogname.c @@ -0,0 +1,13 @@ +#if defined(LIBC_RCS) && !defined(lint) +static const char rcsid[] = + "$FreeBSD$"; +#endif /* LIBC_RCS and not lint */ + +extern const char *__progname; + +void +setprogname(const char *progname) +{ + + __progname = progname; +} |
