bgoncalv / rpms / ksh

Forked from rpms/ksh 5 years ago
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diff -up ksh-20120801/src/cmd/ksh93/sh/init.c.fixset ksh-20120801/src/cmd/ksh93/sh/init.c
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--- ksh-20120801/src/cmd/ksh93/sh/init.c.fixset	2014-11-03 15:45:36.510997271 +0100
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+++ ksh-20120801/src/cmd/ksh93/sh/init.c	2014-11-03 16:20:44.398917280 +0100
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@@ -2003,8 +2003,91 @@ static Dt_t *inittree(Shell_t *shp,const
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  * skip over items that are not name-value pairs
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  */
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+
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 static void env_init(Shell_t *shp)
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 {
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+	register char *cp;
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+	register Namval_t	*np;
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+	register char **ep=environ;
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+	register char *next=0;
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+#ifdef _ENV_H
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+	shp->env = env_open(environ,3);
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+	env_delete(shp->env,"_");
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+#endif
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+	if(ep)
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+	{
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+		while(cp= *ep++)
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+		{
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+			if(*cp=='A' && cp[1]=='_' && cp[2]=='_' && cp[3]=='z' && cp[4]=='=')
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+				next = cp+4;
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+			else if(np=nv_open(cp,shp->var_tree,(NV_EXPORT|NV_IDENT|NV_ASSIGN|NV_NOFAIL))) 
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+			{
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+				nv_onattr(np,NV_IMPORT);
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+				np->nvenv = cp;
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+				nv_close(np);
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+			}
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+			else  /* swap with front */
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+			{
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+				ep[-1] = environ[shp->nenv];
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+				environ[shp->nenv++] = cp;
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+			}
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+		}
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+		while(cp=next)
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+		{
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+			if(next = strchr(++cp,'='))
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+				*next = 0;
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+			np = nv_search(cp+2,shp->var_tree,NV_ADD);
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+			if(np!=SHLVL && nv_isattr(np,NV_IMPORT|NV_EXPORT))
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+			{
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+				int flag = *(unsigned char*)cp-' ';
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+				int size = *(unsigned char*)(cp+1)-' ';
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+				if((flag&NV_INTEGER) && size==0)
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+				{
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+					/* check for floating*/
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+					char *ep,*val = nv_getval(np);
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+					strtol(val,&ep,10);
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+					if(*ep=='.' || *ep=='e' || *ep=='E')
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+					{
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+						char *lp;
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+						flag |= NV_DOUBLE;
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+						if(*ep=='.')
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+						{
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+							strtol(ep+1,&lp,10);
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+							if(*lp)
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+								ep = lp;
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+						}
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+						if(*ep && *ep!='.')
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+						{
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+							flag |= NV_EXPNOTE;
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+							size = ep-val;
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+						}
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+						else
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+							size = strlen(ep);
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+						size--;
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+					}
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+				}
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+				nv_newattr(np,flag|NV_IMPORT|NV_EXPORT,size);
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+			}
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+			else
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+				cp += 2;
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+		}
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+	}
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+#ifdef _ENV_H
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+	env_delete(shp->env,e_envmarker);
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+#endif
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+	if(nv_isnull(PWDNOD) || nv_isattr(PWDNOD,NV_TAGGED))
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+	{
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+		nv_offattr(PWDNOD,NV_TAGGED);
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+		path_pwd(shp,0);
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+	}
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+	if((cp = nv_getval(SHELLNOD)) && (sh_type(cp)&SH_TYPE_RESTRICTED))
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+		sh_onoption(SH_RESTRICTED); /* restricted shell */
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+	return;
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+}
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+
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+
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+static void env_init_backup(Shell_t *shp)
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+{
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 	register char		*cp;
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 	register Namval_t	*np,*mp;
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 	register char		**ep=environ;