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/* $id$
$Locker: $ $Name: $ $State: Exp $
* Scan all leading options
This file bases on CMDLINE.C of FreeCOM v0.81 beta 1.
$Log: leadopt.c,v $
Revision 1.2 2001/12/03 20:10:52 skaus
bugfix: if FREECOM.COM /P without AUTOEXEC.BAT --> assert() failure.
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 <ctype.h>
#include <stdlib.h>
#include <string.h>
#include "../include/command.h"
#include "../err_fcts.h"
#include "../include/cmdline.h"
int leadOptions(char **Xline, optScanner fct, void * arg)
{ int ec = E_None;
char *p, *q, *line;
assert(Xline);
p = *Xline;
if(!p)
p = "";
while(*(line = skipdm(p))) {
q = unquote(line, p = skip_word(line));
if(!q) {
error_out_of_memory();
return E_NoMem;
}
if(!isoption(q)
|| ((ec = scanOption(fct, arg, q)) != E_None
&& ec != E_Ignore)) {
free(q);
break;
}
free(q);
}
*Xline = line;
return ec;
}
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