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/* $Id: hdlrctxt.c,v 1.1 2001/04/12 00:33:53 skaus Exp $
Breaks up var=value like strings and displays the set if
no argument
Using the environment subsystem of SUPPL
*/
#include "../config.h"
#include <assert.h>
#include <string.h>
#include <environ.h>
#include "../err_fcts.h"
#include "../include/context.h"
#include "../include/misc.h"
#pragma argsused
static int view(void *arg, word segm, word ofs)
{
if(peekb(segm, ofs) > ' ') /* control characters tag hidden
features */
printf("%Fs\n", MK_FP(segm, ofs));
return 0; /* don't stop */
}
int breakVarAssign(ctxt_t context, char * const s, char ** const value)
{
char *p;
assert(value);
assert(s);
/* if no parameters, show the environment */
if(!*s) {
env_forAll(context, view, 0);
return 0;
}
/* make sure there is an = in the command */
if((p = strchr(s, '=')) == 0 || p == s)
return 1;
*p = 0; /* separate name and value */
*value = p + 1;
return 2;
}
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