X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=man%2Fform_fieldtype.3x;h=8572a804867209572794e629197c3fb0dbc04c62;hp=028e9b0befccfcb978bc238693c39e36c045596c;hb=17c5992a16be94247b83f2bbb9accdd9b7e7bb72;hpb=6941ed1e8bfdfc7634a57655dc71e7a7ed02a6e8 diff --git a/man/form_fieldtype.3x b/man/form_fieldtype.3x index 028e9b0b..8572a804 100644 --- a/man/form_fieldtype.3x +++ b/man/form_fieldtype.3x @@ -1,6 +1,6 @@ '\" t .\"*************************************************************************** -.\" Copyright (c) 1998-2006,2010 Free Software Foundation, Inc. * +.\" Copyright (c) 1998-2010,2018 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 * @@ -27,7 +27,7 @@ .\" authorization. * .\"*************************************************************************** .\" -.\" $Id: form_fieldtype.3x,v 1.16 2010/12/04 18:40:45 tom Exp $ +.\" $Id: form_fieldtype.3x,v 1.18 2018/07/28 22:08:59 tom Exp $ .TH form_fieldtype 3X "" .SH NAME \fBform_fieldtype\fR \- define validation-field types @@ -56,7 +56,8 @@ FIELDTYPE *link_fieldtype(FIELDTYPE *type1, .br .SH DESCRIPTION The function \fBnew_fieldtype\fR creates a new field type usable for data -validation. You supply it with \fIfield_check\fR, a predicate to check the +validation. +You supply it with \fIfield_check\fR, a predicate to check the validity of an entered data string whenever the user attempts to leave a field. The (FIELD *) argument is passed in so the validation predicate can see the field's buffer, sizes and other attributes; the second argument is an @@ -69,8 +70,8 @@ the character to be checked and a pointer to an argument-block structure. The function \fBfree_fieldtype\fR frees the space allocated for a given validation type. .PP -The function \fBset_fieldtype_arg\fR associates three storage-management functions -with a field type. +The function \fBset_fieldtype_arg\fR associates +three storage-management functions with a field type. The \fImake_arg\fR function is automatically applied to the list of arguments you give \fBset_field_type\fR when attaching validation to a field; its job is to bundle these into an allocated argument-block @@ -135,8 +136,9 @@ All of the \fB(char *)\fR arguments of these functions should actually be \fB(void *)\fR. The type has been left uncorrected for strict compatibility with System V. .SH PORTABILITY -These routines emulate the System V forms library. They were not supported on +These routines emulate the System V forms library. +They were not supported on Version 7 or BSD versions. .SH AUTHORS -Juergen Pfeifer. Manual pages and adaptation for new curses by Eric -S. Raymond. +Juergen Pfeifer. +Manual pages and adaptation for new curses by Eric S. Raymond.