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emacs/oldXMenu/FindSel.c
Paul Eggert ba05d005e5 Update copyright year to 2021
Run "TZ=UTC0 admin/update-copyright".
2021-01-01 01:13:56 -08:00

87 lines
2.0 KiB
C

/* Copyright Massachusetts Institute of Technology 1985 */
#include "copyright.h"
/*
Copyright (C) 2001-2021 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or (at
your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
/*
* XMenu: MIT Project Athena, X Window system menu package
*
* XMenuFindSelection - Find the first selection in a pane who's
* label matches a particular string.
*
* Author: Tony Della Fera, DEC
* January 22, 1986
*
*/
#include "XMenuInt.h"
#include <string.h>
int
XMenuFindSelection(register XMenu *menu, int p_num, register char *label)
{
register XMPane *p_ptr;
register XMSelect *s_ptr;
register int i = 0;
/*
* Check for NULL pointers!
*/
if (label == NULL) {
_XMErrorCode = XME_ARG_BOUNDS;
return(XM_FAILURE);
}
/*
* Find the right pane.
*/
p_ptr = _XMGetPanePtr(menu, p_num);
if (p_ptr == NULL) return(XM_FAILURE);
/*
* Find the right selection.
*/
for (
s_ptr = p_ptr->s_list->next;
s_ptr != p_ptr->s_list;
s_ptr = s_ptr->next
){
if (s_ptr->label_length == 0) {
if (*label == '\0') {
_XMErrorCode = XME_NO_ERROR;
return (i);
}
}
else {
if (strncmp (label, s_ptr->label, s_ptr->label_length) == 0) {
_XMErrorCode = XME_NO_ERROR;
return (i);
}
}
i++;
}
/*
* If we get here then we have not found
* a match.
*/
_XMErrorCode = XME_S_NOT_FOUND;
return (XM_FAILURE);
}