xref: /freebsd/contrib/ncurses/form/fld_info.c (revision e0c4386e7e71d93b0edc0c8fa156263fc4a8b0b6)
1 /****************************************************************************
2  * Copyright 2020 Thomas E. Dickey                                          *
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29 
30 /****************************************************************************
31  *   Author:  Juergen Pfeifer, 1995,1997                                    *
32  ****************************************************************************/
33 
34 #include "form.priv.h"
35 
36 MODULE_ID("$Id: fld_info.c,v 1.15 2020/12/12 01:05:42 tom Exp $")
37 
38 /*---------------------------------------------------------------------------
39 |   Facility      :  libnform
40 |   Function      :  int field_info(const FIELD *field,
41 |                                   int *rows, int *cols,
42 |                                   int *frow, int *fcol,
43 |                                   int *nrow, int *nbuf)
44 |
45 |   Description   :  Retrieve information about the field's creation parameters.
46 |
47 |   Return Values :  E_OK           - success
48 |                    E_BAD_ARGUMENT - invalid field pointer
49 +--------------------------------------------------------------------------*/
50 FORM_EXPORT(int)
51 field_info(const FIELD *field,
52 	   int *rows, int *cols,
53 	   int *frow, int *fcol,
54 	   int *nrow, int *nbuf)
55 {
56   T((T_CALLED("field_info(%p,%p,%p,%p,%p,%p,%p)"),
57      (const void *)field,
58      (void *)rows, (void *)cols,
59      (void *)frow, (void *)fcol,
60      (void *)nrow, (void *)nbuf));
61 
62   if (!field)
63     RETURN(E_BAD_ARGUMENT);
64 
65   if (rows)
66     *rows = field->rows;
67   if (cols)
68     *cols = field->cols;
69   if (frow)
70     *frow = field->frow;
71   if (fcol)
72     *fcol = field->fcol;
73   if (nrow)
74     *nrow = field->nrow;
75   if (nbuf)
76     *nbuf = field->nbuf;
77   RETURN(E_OK);
78 }
79 
80 /*---------------------------------------------------------------------------
81 |   Facility      :  libnform
82 |   Function      :  int dynamic_field_info(const FIELD *field,
83 |                                           int *drows, int *dcols,
84 |                                           int *maxgrow)
85 |
86 |   Description   :  Retrieve information about a dynamic field's current
87 |                    dynamic parameters.
88 |
89 |   Return Values :  E_OK           - success
90 |                    E_BAD_ARGUMENT - invalid argument
91 +--------------------------------------------------------------------------*/
92 FORM_EXPORT(int)
93 dynamic_field_info(const FIELD *field, int *drows, int *dcols, int *maxgrow)
94 {
95   T((T_CALLED("dynamic_field_info(%p,%p,%p,%p)"),
96      (const void *)field,
97      (void *)drows,
98      (void *)dcols,
99      (void *)maxgrow));
100 
101   if (!field)
102     RETURN(E_BAD_ARGUMENT);
103 
104   if (drows)
105     *drows = field->drows;
106   if (dcols)
107     *dcols = field->dcols;
108   if (maxgrow)
109     *maxgrow = field->maxgrow;
110 
111   RETURN(E_OK);
112 }
113 
114 /* fld_info.c ends here */
115