13405 ksh93 update to 2012-08-01

13434 sh: mishandles backslash as last character of a block of input
11750 ksh mkdir builtin doesn't honor special file permissions
9199 ksh93 builtin *grep -v mishandles blank lines, blows up libgcrypt-config
6756 sh (and ksh) have issues with ${1+"$@"}
6520 ksh: sleep could wait forever
4860 ksh93: core in printf
3791 /bin/sh's builtin 'rm' busted: 'rm -f' without arguments returns error
1047 ksh overwrites child core files
880 ksh93 coredumps on 'unset'
499 "interrupted system call" when using "tee" builtin in ksh
Reviewed by: Robert Mustacchi <rm@fingolfin.org>
Reviewed by: Hans Rosenfeld <rosenfeld@grumpf.hope-2000.org>
Reviewed by: Dominik Hassler <hadfl@omnios.org>
Approved by: Rich Lowe <richlowe@richlowe.net>

1 files changed, 0 insertions, 255 deletions

diff --git a/usr/src/lib/libshell/common/sh/env.c b/usr/src/lib/libshell/common/sh/env.c
deleted file mode 100644
index d6db6851e7..0000000000
--- a/usr/src/lib/libshell/common/sh/env.c
+++ /dev/null
@@ -1,255 +0,0 @@
-/***********************************************************************
-*                                                                      *
-*               This software is part of the ast package               *
-*          Copyright (c) 1982-2010 AT&T Intellectual Property          *
-*                      and is licensed under the                       *
-*                  Common Public License, Version 1.0                  *
-*                    by AT&T Intellectual Property                     *
-*                                                                      *
-*                A copy of the License is available at                 *
-*            http://www.opensource.org/licenses/cpl1.0.txt             *
-*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
-*                                                                      *
-*              Information and Software Systems Research               *
-*                            AT&T Research                             *
-*                           Florham Park NJ                            *
-*                                                                      *
-*                  David Korn <dgk@research.att.com>                   *
-*                                                                      *
-***********************************************************************/
-#pragma prototyped
-
-#include	<ast.h>
-#include	<cdt.h>
-
-#define	env_change()		(++ast.env_serial)
-
-typedef struct _venv_ Evar_t;
-struct _venv_
-{
-	union
-	{
-		Evar_t		*next;
-		char		*ptr;
-	}	un;
-	Dtlink_t	link;
-	int		index;
-};
-
-typedef  struct _env_
-{
-	Dt_t	*dt;
-	Evar_t	*freelist;
-	char	**env;
-	int	count;
-	int	extra;
-	int	max;
-	int	flags;
-} Env_t;
-
-#define _BLD_env	1
-#include	<env.h>
-
-#define ENV_VALID	2		/* set if env is valid */
-#define ENV_PMALLOC	1		/* set if Evar_t->un.ptr  *s malloced */
-#define ENV_VMALLOC	2		/* set of Evar_t was malloced */
-#define ENV_BITS	3
-
-/*
- * Compares the name portion of name=... only.
- */
-static int compare(Dt_t *dt, Void_t* key1, Void_t* key2, Dtdisc_t* disc)
-{
-	register int c,d;
-	const unsigned char *s1=(unsigned const char*)key1;
-	const unsigned char *s2=(unsigned const char*)key2; 
-	while((c= *s1++) && c!='=' && c==*s2) 
-		s2++;
-	if(c=='=')
-		c = 0;
-	if((d=*s2)=='=')
-		d = 0;
-	return(c-d);
-}
-
-static Dtdisc_t env_disc =
-{
-	0, -1,
-	sizeof(char*),
-	0,
-	0,
-	compare
-};
-
-/*
- *  return a pointer to the environment in sorted order
- *  NULL is returned if there if there is nospace
- */
-char **env_get(Env_t* ep)
-{
-	register Evar_t *vp;
-	register int n=ep->extra;
-	if(ep->flags&ENV_VALID)
-		return(ep->env+n);
-	if(ep->count > ep->max)
-	{
-		if(ep->flags&ENV_MALLOCED)
-			free((void*)ep->env);
-		if(!(ep->env = (char**)malloc(sizeof(char*)*(ep->count+1))))
-			return(0);
-		ep->flags |= ENV_MALLOCED;
-		ep->max = ep->count;
-	}
-	for(vp=(Evar_t*)dtfirst(ep->dt);vp; vp=(Evar_t*)dtnext(ep->dt,vp))
-	{
-		vp->index = (n<<ENV_BITS) | (vp->index&((1<<ENV_BITS)-1));
-		ep->env[n++] = vp->un.ptr;
-	}
-	ep->env[n] = 0;
-	ep->flags |= ENV_VALID;
-	environ = ep->env+ep->extra;
-	return(ep->env+ep->extra);
-}
-
-/*
- *  add name=value pair given by <str> to <ep>
- *  if malloced is set, the variable will be freed when reassigned
- *  The environment list may become invalidated
- *  Returns 1 for success, 0 for failure
- */
-int env_add(Env_t *ep, const char *str, int flags)
-{
-	Evar_t *vp = (Evar_t*)dtmatch(ep->dt,(void*)str);
-	if(vp && strcmp(str,vp->un.ptr)==0)
-		return(1);
-	if(flags&ENV_STRDUP)
-		str = strdup(str);
-	if(vp)
-	{
-		if(vp->index&ENV_PMALLOC)
-			free((void*)vp->un.ptr);
-		vp->un.ptr = (char*)str;
-		if(ep->env && (ep->flags&ENV_VALID))
-			ep->env[vp->index>>ENV_BITS] = vp->un.ptr;
-	}
-	else
-	{
-		ep->flags &= ~ENV_VALID;
-		if(vp = ep->freelist)
-			ep->freelist = vp->un.next;
-		else if(vp = newof((Evar_t*)0,Evar_t,2,0))
-		{
-			vp->index = ENV_VMALLOC;
-			ep->freelist = (vp+1);
-			ep->freelist->un.next = 0;
-		}
-		else
-			return(0);
-		vp->un.ptr = (void*)str;
-		if(!(vp=dtinsert(ep->dt,vp)))
-			return(0);
-		ep->count++;
-	}
-	if(flags)
-		vp->index |= ENV_PMALLOC;
-	else
-		vp->index &= ~ENV_PMALLOC;
-	env_change();
-	return(1);
-}
-
-/*
- *  delete name  from <ep>
- *  The environment list may become invalidated
- *  Returns 1 for success, 0 for if name is not present 
- */
-int env_delete(Env_t *ep, const char *str)
-{
-	Evar_t *vp = (Evar_t*)dtmatch(ep->dt,(void*)str);
-	if(!vp)
-		return(0);
-	ep->flags &= ~ENV_VALID;
-	if(vp->index&ENV_PMALLOC)
-		free((void*)vp->un.ptr);
-	dtdelete(ep->dt,vp);
-	vp->un.next = ep->freelist;
-	ep->freelist = vp;
-	env_change();
-	return(1);
-}
-
-/*
- * open up a structure to support environment variables
- * initialize with environment give by <envp>
- * If <extra> > 0, <extra> slots will be left at beginning of
- *    environment list when env_get() is involed.
- * If <extra>==ENV_USABLE, then the original environ can be
- *   used and returned.  Otherwise, a new one will be returned
- */
-Env_t *env_open(char **envp, int extra)
-{
-	char **env;
-	Env_t *ep;
-	Evar_t *vp;
-	int n=2;
-	if(!(ep = newof((Env_t*)0,Env_t,1,0)))
-		return(0);
-	if(!(ep->dt = dtopen(&env_disc,Dtoset)))
-		return(0);
-	if(env=envp)
-	{
-		while(*env++);
-		n = (env+2)-envp;
-	}
-	if(extra==ENV_STABLE)
-	{
-		ep->env = envp;
-		ep->max = n-1;
-	}
-	else
-		ep->count = ep->extra = extra;
-	ep->freelist = vp = newof((Evar_t*)0,Evar_t,n,0);
-	vp->index = ENV_VMALLOC;
-	while(--n>0)
-	{
-		vp->un.next = (vp+1);
-		vp++;
-	}
-	vp->un.next = 0;
-	if(env)
-	{
-		for(env=envp; *env; env++)
-			env_add(ep,*env,0);
-	}
-	return(ep);
-}
-
-/*
- * close <ep> and free up all space used by it
- */
-void env_close(Env_t *ep)
-{
-	Evar_t *vp, *vpnext,*top;
-	if(ep->env && (ep->flags&ENV_MALLOCED))
-		free((void*)ep->env);
-	for(vp=(Evar_t*)dtfirst(ep->dt);vp; vp=vpnext)
-	{
-		vpnext = (Evar_t*)dtnext(ep->dt,vp);
-		env_delete(ep,vp->un.ptr);
-	}
-	for(top=0,vp = ep->freelist; vp; vp = vpnext)
-	{
-		vpnext = vp->un.next;
-		if(vp->index&ENV_VMALLOC)
-		{
-			vp->un.next = top;
-			top = vp;
-		}
-	}
-	for(vp=top; vp; vp = vpnext)
-	{
-		vpnext = vp->un.next;
-		free((void*)vp);
-	}
-	dtclose(ep->dt);
-}