X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=form%2Ffld_newftyp.c;h=4351aed6b3c8ca4e354ec54c372a9fc2a43ad475;hp=68b1692a2ab83b578962853aa3102a9f1da54325;hb=cba932f979e14e49b63e06715e80f64d9ffe6e5e;hpb=0eb88fc5281804773e2a0c7a488a4452463535ce diff --git a/form/fld_newftyp.c b/form/fld_newftyp.c index 68b1692a..4351aed6 100644 --- a/form/fld_newftyp.c +++ b/form/fld_newftyp.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 1998 Free Software Foundation, Inc. * + * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc. * * * * Permission is hereby granted, free of charge, to any person obtaining a * * copy of this software and associated documentation files (the * @@ -27,87 +27,103 @@ ****************************************************************************/ /**************************************************************************** - * Author: Juergen Pfeifer 1995,1997 * + * Author: Juergen Pfeifer, 1995,1997 * ****************************************************************************/ #include "form.priv.h" -MODULE_ID("$Id: fld_newftyp.c,v 1.5 1999/05/16 17:18:54 juergen Exp $") +MODULE_ID("$Id: fld_newftyp.c,v 1.19 2010/01/23 21:14:36 tom Exp $") -static FIELDTYPE const default_fieldtype = { - 0, /* status */ - 0L, /* reference count */ - (FIELDTYPE *)0, /* pointer to left operand */ - (FIELDTYPE *)0, /* pointer to right operand */ - NULL, /* makearg function */ - NULL, /* copyarg function */ - NULL, /* freearg function */ - NULL, /* field validation function */ - NULL, /* Character check function */ - NULL, /* enumerate next function */ - NULL /* enumerate previous function */ +static FIELDTYPE default_fieldtype = +{ + 0, /* status */ + 0L, /* reference count */ + (FIELDTYPE *)0, /* pointer to left operand */ + (FIELDTYPE *)0, /* pointer to right operand */ + NULL, /* makearg function */ + NULL, /* copyarg function */ + NULL, /* freearg function */ + INIT_FT_FUNC(NULL), /* field validation function */ + INIT_FT_FUNC(NULL), /* Character check function */ + INIT_FT_FUNC(NULL), /* enumerate next function */ + INIT_FT_FUNC(NULL), /* enumerate previous function */ +#if NCURSES_INTEROP_FUNCS + NULL /* generic callback alternative to makearg */ +#endif }; -const FIELDTYPE* _nc_Default_FieldType = &default_fieldtype; - +NCURSES_EXPORT_VAR(FIELDTYPE *) +_nc_Default_FieldType = &default_fieldtype; + /*--------------------------------------------------------------------------- -| Facility : libnform +| Facility : libnform | Function : FIELDTYPE *new_fieldtype( | bool (* const field_check)(FIELD *,const void *), -| bool (* const char_check) (int, const void *) ) -| +| bool (* const char_check) (int, const void *) ) +| | Description : Create a new fieldtype. The application programmer must | write a field_check and a char_check function and give | them as input to this call. -| If an error occurs, errno is set to +| If an error occurs, errno is set to | E_BAD_ARGUMENT - invalid arguments | E_SYSTEM_ERROR - system error (no memory) | -| Return Values : Fieldtype pointer or NULL if error occured +| Return Values : Fieldtype pointer or NULL if error occurred +--------------------------------------------------------------------------*/ -FIELDTYPE *new_fieldtype( - bool (* const field_check)(FIELD *,const void *), - bool (* const char_check) (int,const void *) ) +NCURSES_EXPORT(FIELDTYPE *) +new_fieldtype(bool (*const field_check) (FIELD *, const void *), + bool (*const char_check) (int, const void *)) { FIELDTYPE *nftyp = (FIELDTYPE *)0; - - if ( (field_check) || (char_check) ) + + T((T_CALLED("new_fieldtype(%p,%p)"), field_check, char_check)); + if ((field_check) || (char_check)) { - nftyp = (FIELDTYPE *)malloc(sizeof(FIELDTYPE)); + nftyp = typeMalloc(FIELDTYPE, 1); + if (nftyp) { + T((T_CREATE("fieldtype %p"), (void *)nftyp)); *nftyp = default_fieldtype; +#if NCURSES_INTEROP_FUNCS + nftyp->fieldcheck.ofcheck = field_check; + nftyp->charcheck.occheck = char_check; +#else nftyp->fcheck = field_check; nftyp->ccheck = char_check; +#endif } else { - SET_ERROR( E_SYSTEM_ERROR ); + SET_ERROR(E_SYSTEM_ERROR); } } else { - SET_ERROR( E_BAD_ARGUMENT ); + SET_ERROR(E_BAD_ARGUMENT); } - return nftyp; + returnFieldType(nftyp); } /*--------------------------------------------------------------------------- -| Facility : libnform +| Facility : libnform | Function : int free_fieldtype(FIELDTYPE *typ) -| +| | Description : Release the memory associated with this fieldtype. | | Return Values : E_OK - success | E_CONNECTED - there are fields referencing the type | E_BAD_ARGUMENT - invalid fieldtype pointer +--------------------------------------------------------------------------*/ -int free_fieldtype(FIELDTYPE *typ) +NCURSES_EXPORT(int) +free_fieldtype(FIELDTYPE *typ) { + T((T_CALLED("free_fieldtype(%p)"), (void *)typ)); + if (!typ) RETURN(E_BAD_ARGUMENT); - if (typ->ref!=0) + if (typ->ref != 0) RETURN(E_CONNECTED); if (typ->status & _RESIDENT) @@ -115,8 +131,10 @@ int free_fieldtype(FIELDTYPE *typ) if (typ->status & _LINKED_TYPE) { - if (typ->left ) typ->left->ref--; - if (typ->right) typ->right->ref--; + if (typ->left) + typ->left->ref--; + if (typ->right) + typ->right->ref--; } free(typ); RETURN(E_OK);