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/* Copyright (c) 1994 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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* Header file for tracking hierarchical object names |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include "parser.h" |
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static int obj_maxname; /* allocated list size */ |
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#define ALLOC_INC 16 /* list increment */ |
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#define ALLOC_INC 16 /* list increment ( > 1 ) */ |
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int |
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{ |
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if (ac == 1) { /* just pop top object */ |
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if (obj_nnames < 1) |
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return(MG_OK); /* should be error? */ |
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return(MG_ECNTXT); |
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free((MEM_PTR)obj_name[--obj_nnames]); |
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obj_name[obj_nnames] = NULL; |
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return(MG_OK); |
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} |
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if (ac != 2) |
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return(MG_EARGC); |
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if (obj_nnames >= obj_maxname) { /* enlarge array */ |
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if (!isname(av[1])) |
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return(MG_EILL); |
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if (obj_nnames >= obj_maxname-1) { /* enlarge array */ |
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if (!obj_maxname) |
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obj_name = (char **)malloc( |
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(obj_maxname=ALLOC_INC)*sizeof(char *)); |
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strcpy(obj_name[obj_nnames++], av[1]); |
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obj_name[obj_nnames] = NULL; |
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return(MG_OK); |
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} |
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void |
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obj_clear() /* clear object stack */ |
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{ |
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while (obj_nnames) |
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free((MEM_PTR)obj_name[--obj_nnames]); |
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if (obj_maxname) { |
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free((MEM_PTR)obj_name); |
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obj_maxname = 0; |
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} |
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} |
