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- (djm) Rework openbsd-compat/setproctitle.c a bit: move emulation type
detection to configure.ac. Prompted by stevesk@
This commit is contained in:
Damien Miller
parent
4790772cda
commit
ec201964e4
@ -1,3 +1,7 @@
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20030103
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- (djm) Rework openbsd-compat/setproctitle.c a bit: move emulation type
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detection to configure.ac. Prompted by stevesk@
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20030110
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- (djm) Enable new setproctitle emulation for Linux, AIX and HP/UX. More
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systems may be added later.
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@ -994,4 +998,4 @@
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save auth method before monitor_reset_key_state(); bugzilla bug #284;
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ok provos@
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$Id: ChangeLog,v 1.2564 2003/01/10 10:46:02 djm Exp $
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$Id: ChangeLog,v 1.2565 2003/01/12 23:04:58 djm Exp $
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@ -1,4 +1,4 @@
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/* $Id: acconfig.h,v 1.146 2003/01/07 04:18:33 djm Exp $ */
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/* $Id: acconfig.h,v 1.147 2003/01/12 23:04:59 djm Exp $ */
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#ifndef _CONFIG_H
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#define _CONFIG_H
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@ -367,6 +367,10 @@
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/* Silly mkstemp() */
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#undef HAVE_STRICT_MKSTEMP
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/* Setproctitle emulation */
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#undef SETPROCTITLE_STRATEGY
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#undef SETPROCTITLE_PS_PADDING
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@BOTTOM@
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/* ******************* Shouldn't need to edit below this line ************** */
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12
configure.ac
12
configure.ac
@ -1,4 +1,4 @@
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# $Id: configure.ac,v 1.98 2003/01/09 22:53:12 djm Exp $
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# $Id: configure.ac,v 1.99 2003/01/12 23:04:59 djm Exp $
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AC_INIT
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AC_CONFIG_SRCDIR([ssh.c])
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@ -82,6 +82,8 @@ case "$host" in
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dnl AIX handles lastlog as part of its login message
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AC_DEFINE(DISABLE_LASTLOG)
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AC_DEFINE(LOGIN_NEEDS_UTMPX)
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AC_DEFINE(SETPROCTITLE_STRATEGY,PS_USE_CLOBBER_ARGV)
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AC_DEFINE(SETPROCTITLE_PS_PADDING, '\0')
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;;
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*-*-cygwin*)
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LIBS="$LIBS /usr/lib/textmode.o"
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@ -122,7 +124,7 @@ main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
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AC_DEFINE(LOGIN_NEEDS_UTMPX)
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AC_DEFINE(DISABLE_SHADOW)
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AC_DEFINE(DISABLE_UTMP)
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AC_DEFINE(SPT_TYPE,SPT_PSTAT)
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AC_DEFINE(SETPROCTITLE_STRATEGY,PS_USE_PSTAT)
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LIBS="$LIBS -lsec -lsecpw"
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AC_CHECK_LIB(xnet, t_error, ,AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***]))
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disable_ptmx_check=yes
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@ -138,7 +140,7 @@ main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
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AC_DEFINE(LOGIN_NEEDS_UTMPX)
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AC_DEFINE(DISABLE_SHADOW)
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AC_DEFINE(DISABLE_UTMP)
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AC_DEFINE(SPT_TYPE,SPT_PSTAT)
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AC_DEFINE(SETPROCTITLE_STRATEGY,PS_USE_PSTAT)
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LIBS="$LIBS -lsec"
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AC_CHECK_LIB(xnet, t_error, ,AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***]))
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;;
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@ -151,7 +153,7 @@ main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
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AC_DEFINE(LOGIN_NEEDS_UTMPX)
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AC_DEFINE(DISABLE_SHADOW)
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AC_DEFINE(DISABLE_UTMP)
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AC_DEFINE(SPT_TYPE,SPT_PSTAT)
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AC_DEFINE(SETPROCTITLE_STRATEGY,PS_USE_PSTAT)
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LIBS="$LIBS -lsec"
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AC_CHECK_LIB(xnet, t_error, ,AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***]))
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;;
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@ -178,6 +180,8 @@ main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
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check_for_libcrypt_later=1
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AC_DEFINE(DONT_TRY_OTHER_AF)
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AC_DEFINE(PAM_TTY_KLUDGE)
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AC_DEFINE(SETPROCTITLE_STRATEGY,PS_USE_CLOBBER_ARGV)
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AC_DEFINE(SETPROCTITLE_PS_PADDING, '\0')
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inet6_default_4in6=yes
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;;
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mips-sony-bsd|mips-sony-newsos4)
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@ -31,7 +31,7 @@
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* to contain some useful information. Mechanism differs wildly across
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* platforms.
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*
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* $Header: /var/cvs/openssh/openbsd-compat/setproctitle.c,v 1.3 2003/01/09 22:53:13 djm Exp $
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* $Header: /var/cvs/openssh/openbsd-compat/setproctitle.c,v 1.4 2003/01/12 23:04:59 djm Exp $
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*
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* Copyright 2000 by PostgreSQL Global Development Group
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* various details abducted from various places
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@ -56,51 +56,47 @@ extern char **environ;
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/*------
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* Alternative ways of updating ps display:
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*
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* PS_USE_PSTAT
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* SETPROCTITLE_STRATEGY == PS_USE_PSTAT
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* use the pstat(PSTAT_SETCMD, )
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* (HPUX)
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* PS_USE_PS_STRINGS
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* SETPROCTITLE_STRATEGY == PS_USE_PS_STRINGS
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* assign PS_STRINGS->ps_argvstr = "string"
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* (some BSD systems)
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* PS_USE_CHANGE_ARGV
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* SETPROCTITLE_STRATEGY == PS_USE_CHANGE_ARGV
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* assign argv[0] = "string"
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* (some other BSD systems)
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* PS_USE_CLOBBER_ARGV
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* SETPROCTITLE_STRATEGY == PS_USE_CLOBBER_ARGV
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* write over the argv and environment area
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* (most SysV-like systems)
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* PS_USE_NONE
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* SETPROCTITLE_STRATEGY == PS_USE_NONE
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* don't update ps display
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* (This is the default, as it is safest.)
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*/
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#if defined(HAVE_PSTAT) && defined(PSTAT_SETCMD)
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#define PS_USE_PSTAT
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#elif defined(HAVE_PS_STRINGS)
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#define PS_USE_PS_STRINGS
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#elif defined(BSD) || defined(__bsdi__) || defined(__hurd__)
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#define PS_USE_CHANGE_ARGV
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#elif defined(__linux__) || defined(_AIX)
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#define PS_USE_CLOBBER_ARGV
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#else
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#define PS_USE_NONE
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#define PS_USE_NONE 0
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#define PS_USE_PSTAT 1
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#define PS_USE_PS_STRINGS 2
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#define PS_USE_CHANGE_ARGV 3
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#define PS_USE_CLOBBER_ARGV 4
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#ifndef SETPROCTITLE_STRATEGY
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# define SETPROCTITLE_STRATEGY PS_USE_NONE
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#endif
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/* Different systems want the buffer padded differently */
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#if defined(_AIX) || defined(__linux__) || defined(__QNX__) || defined(__svr4__)
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#define PS_PADDING '\0'
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#else
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#define PS_PADDING ' '
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#ifndef SETPROCTITLE_PS_PADDING
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# define SETPROCTITLE_PS_PADDING ' '
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#endif
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/*
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* argv clobbering uses existing argv space, all other methods need a buffer
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*/
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#ifndef PS_USE_CLOBBER_ARGV
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#if SETPROCTITLE_STRATEGY != PS_USE_CLOBBER_ARGV
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static char ps_buffer[256];
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static const size_t ps_buffer_size = sizeof(ps_buffer);
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#else /* PS_USE_CLOBBER_ARGV */
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#else
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static char *ps_buffer; /* will point to argv area */
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static size_t ps_buffer_size; /* space determined at run time */
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#endif /* PS_USE_CLOBBER_ARGV */
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#endif
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/* save the original argv[] location here */
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static int save_argc;
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@ -115,17 +111,17 @@ extern char *__progname;
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void
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setproctitle(const char *fmt, ...)
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{
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#ifdef PS_USE_PSTAT
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#if SETPROCTITLE_STRATEGY == PS_USE_PSTAT
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union pstun pst;
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#endif
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#ifndef PS_USE_NONE
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#if SETPROCTITLE_STRATEGY != PS_USE_NONE
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ssize_t used;
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va_list ap;
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/* no ps display if you didn't call save_ps_display_args() */
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if (save_argv == NULL)
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return;
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#ifdef PS_USE_CLOBBER_ARGV
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#if SETPROCTITLE_STRATEGY == PS_USE_CLOBBER_ARGV
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/* If ps_buffer is a pointer, it might still be null */
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if (ps_buffer == NULL)
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return;
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@ -134,12 +130,12 @@ setproctitle(const char *fmt, ...)
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/*
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* Overwrite argv[] to point at appropriate space, if needed
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*/
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#ifdef PS_USE_CHANGE_ARGV
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#if SETPROCTITLE_STRATEGY == PS_USE_CHANGE_ARGV
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save_argv[0] = ps_buffer;
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save_argv[1] = NULL;
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#endif /* PS_USE_CHANGE_ARGV */
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#ifdef PS_USE_CLOBBER_ARGV
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#if SETPROCTITLE_STRATEGY == PS_USE_CLOBBER_ARGV
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save_argv[1] = NULL;
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#endif /* PS_USE_CLOBBER_ARGV */
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@ -158,26 +154,21 @@ setproctitle(const char *fmt, ...)
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}
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va_end(ap);
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#if 0
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error("XXXXXXXXX %s", __progname);
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error("XXXXXXXXX %d", ps_buffer_size);
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error("XXXXXXXXX %s", ps_buffer);
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#endif
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#ifdef PS_USE_PSTAT
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#if SETPROCTITLE_STRATEGY == PS_USE_PSTAT
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pst.pst_command = ps_buffer;
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pstat(PSTAT_SETCMD, pst, strlen(ps_buffer), 0, 0);
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#endif /* PS_USE_PSTAT */
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#ifdef PS_USE_PS_STRINGS
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#if SETPROCTITLE_STRATEGY == PS_USE_PS_STRINGS
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PS_STRINGS->ps_nargvstr = 1;
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PS_STRINGS->ps_argvstr = ps_buffer;
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#endif /* PS_USE_PS_STRINGS */
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#ifdef PS_USE_CLOBBER_ARGV
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#if SETPROCTITLE_STRATEGY == PS_USE_CLOBBER_ARGV
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/* pad unused memory */
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used = strlen(ps_buffer);
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memset(ps_buffer + used, PS_PADDING, ps_buffer_size - used);
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memset(ps_buffer + used, SETPROCTITLE_PS_PADDING,
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ps_buffer_size - used);
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#endif /* PS_USE_CLOBBER_ARGV */
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#endif /* PS_USE_NONE */
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@ -196,7 +187,7 @@ setproctitle(const char *fmt, ...)
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void
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compat_init_setproctitle(int argc, char *argv[])
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{
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#ifdef PS_USE_CLOBBER_ARGV
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#if SETPROCTITLE_STRATEGY == PS_USE_CLOBBER_ARGV
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char *end_of_area = NULL;
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char **new_environ;
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int i;
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@ -205,7 +196,7 @@ compat_init_setproctitle(int argc, char *argv[])
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save_argc = argc;
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save_argv = argv;
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#ifdef PS_USE_CLOBBER_ARGV
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#if SETPROCTITLE_STRATEGY == PS_USE_CLOBBER_ARGV
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/*
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* If we're going to overwrite the argv area, count the available
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* space. Also move the environment to make additional room.
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