| 1 |
greg |
1.1 |
#ifndef lint |
| 2 |
greg |
1.6 |
static const char RCSid[] = "$Id$"; |
| 3 |
greg |
1.1 |
#endif |
| 4 |
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/* |
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* Header file for tracking hierarchical object names |
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*/ |
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| 8 |
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#include <stdio.h> |
| 9 |
greg |
1.6 |
#include <stdlib.h> |
| 10 |
greg |
1.1 |
#include <string.h> |
| 11 |
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#include "parser.h" |
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int obj_nnames; /* depth of name hierarchy */ |
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char **obj_name; /* name list */ |
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static int obj_maxname; /* allocated list size */ |
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greg |
1.3 |
#define ALLOC_INC 16 /* list increment ( > 1 ) */ |
| 20 |
greg |
1.1 |
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| 21 |
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| 22 |
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int |
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obj_handler(ac, av) /* handle an object entity statement */ |
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int ac; |
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char **av; |
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{ |
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if (ac == 1) { /* just pop top object */ |
| 28 |
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if (obj_nnames < 1) |
| 29 |
greg |
1.5 |
return(MG_ECNTXT); |
| 30 |
greg |
1.1 |
free((MEM_PTR)obj_name[--obj_nnames]); |
| 31 |
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obj_name[obj_nnames] = NULL; |
| 32 |
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return(MG_OK); |
| 33 |
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} |
| 34 |
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if (ac != 2) |
| 35 |
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return(MG_EARGC); |
| 36 |
greg |
1.4 |
if (!isname(av[1])) |
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return(MG_EILL); |
| 38 |
greg |
1.3 |
if (obj_nnames >= obj_maxname-1) { /* enlarge array */ |
| 39 |
greg |
1.1 |
if (!obj_maxname) |
| 40 |
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obj_name = (char **)malloc( |
| 41 |
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(obj_maxname=ALLOC_INC)*sizeof(char *)); |
| 42 |
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else |
| 43 |
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obj_name = (char **)realloc((MEM_PTR)obj_name, |
| 44 |
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(obj_maxname+=ALLOC_INC)*sizeof(char *)); |
| 45 |
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if (obj_name == NULL) |
| 46 |
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return(MG_EMEM); |
| 47 |
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} |
| 48 |
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/* allocate new entry */ |
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obj_name[obj_nnames] = (char *)malloc(strlen(av[1])+1); |
| 50 |
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if (obj_name[obj_nnames] == NULL) |
| 51 |
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return(MG_EMEM); |
| 52 |
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strcpy(obj_name[obj_nnames++], av[1]); |
| 53 |
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obj_name[obj_nnames] = NULL; |
| 54 |
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return(MG_OK); |
| 55 |
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} |
| 56 |
greg |
1.2 |
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| 57 |
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| 58 |
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void |
| 59 |
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obj_clear() /* clear object stack */ |
| 60 |
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{ |
| 61 |
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while (obj_nnames) |
| 62 |
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free((MEM_PTR)obj_name[--obj_nnames]); |
| 63 |
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if (obj_maxname) { |
| 64 |
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free((MEM_PTR)obj_name); |
| 65 |
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obj_maxname = 0; |
| 66 |
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} |
| 67 |
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} |
