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/*
* Copyright (c) 1990 Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND CARNEGIE MELLON UNIVERSITY
* DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT
* SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Users of this software agree to return to Carnegie Mellon any
* improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*
* Export of this software is permitted only after complying with the
* regulations of the U.S. Deptartment of Commerce relating to the
* Export of Technical Data.
*/
/* getsearch -- ask user for string in table
*
* Usage: i = getsearch (prompt,table,defalt)
* int i;
* char *prompt, **table, *defalt;
*
* Getsearch prints the messge: prompt [defalt]
* and asks the user to type in a line. This input text
* is compared to all the strings in the table to see which
* (if any) it matches; the stabsearch() routine is used
* for the matching. If the string is ambiguous or invalid
* (i.e. matches zero strings, or more than one), the cycle
* is repeated. When a valid string is typed, the index
* of the string it matches is returned. If the user just
* types carriage return, the default string is used for matching.
* The default value is also used on error or EOF in standard input.
* The string table may be declared in this way:
* char *table[] = {"string1","string2",...,0};
*
* HISTORY
* $Log: getsearch.c,v $
* Revision 1.2 90/12/11 17:55:23 mja
* Add copyright/disclaimer for distribution.
*
* 28-Apr-85 Steven Shafer (sas) at Carnegie-Mellon University
* Modified for 4.2 BSD. Now uses stderr for output.
*
* 23-Oct-82 Steven Shafer (sas) at Carnegie-Mellon University
* Added code to use default value on EOF or error in standard input.
*
* 23-Jan-80 Steven Shafer (sas) at Carnegie-Mellon University
* Created. This is just an alternative to getstab, but with funny
* heuristic string-matching and the nifty "May I suggest..." stuff.
*
*/
#include <strings.h>
#include <stdio.h>
#include <c.h>
int getsearch (prompt,table,defalt)
char *prompt, **table, *defalt;
{
char input[200];
register int ix;
fflush (stdout);
do {
fprintf (stderr,"%s [%s] ",prompt, defalt);
fflush (stderr);
if (gets (input) == NULL) strcpy (input,defalt);
if (*input == '\0') strcpy (input,defalt);
ix = stabsearch (input,table,FALSE);
}
while (ix < 0);
}
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