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/* $id$
$Locker: $ $Name: $ $State: Exp $
Performs an user prompt
Display prompt (if any), get user input via vcgetchar(),
map key to metakey, return metakey if valid.
$Log: msg_prmp.c,v $
Revision 1.1 2001/04/12 00:33:53 skaus
chg: new structure
chg: If DEBUG enabled, no available commands are displayed on startup
fix: PTCHSIZE also patches min extra size to force to have this amount
of memory available on start
bugfix: CALL doesn't reset options
add: PTCHSIZE to patch heap size
add: VSPAWN, /SWAP switch, .SWP resource handling
bugfix: COMMAND.COM A:\
bugfix: CALL: if swapOnExec == ERROR, no change of swapOnExec allowed
add: command MEMORY
bugfix: runExtension(): destroys command[-2]
add: clean.bat
add: localized CRITER strings
chg: use LNG files for hard-coded strings (hangForEver(), init.c)
via STRINGS.LIB
add: DEL.C, COPY.C, CBREAK.C: STRINGS-based prompts
add: fixstrs.c: prompts & symbolic keys
add: fixstrs.c: backslash escape sequences
add: version IDs to DEFAULT.LNG and validation to FIXSTRS.C
chg: splitted code apart into LIB\*.c and CMD\*.c
bugfix: IF is now using error system & STRINGS to report errors
add: CALL: /N
*/
#include "../config.h"
#include <assert.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "../include/misc.h"
int userprompt(unsigned id,...)
{
char *fmt, *str;
int ch;
if(!getPromptString(id, &str, &fmt))
return 0;
/* Issue message */
if(*fmt) {
va_list ap;
va_start(ap, id);
vprintf(fmt, ap);
va_end(ap);
}
while((ch = vcgetchar()) == 0 || (ch = mapMetakey(str, ch)) == 0)
beep(); /* hit erroreous character */
putchar('\n'); /* advance to next line */
freePromptString(str, fmt);
return ch;
}
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