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Support encode-int() expression.

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This commit is contained in:
Ted Lemon 1999-05-27 14:15:09 +00:00
parent f011dedde6
commit 20c4e94d44
1 changed files with 67 additions and 1 deletions
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68
common/parse.c
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@ -22,7 +22,7 @@
#ifndef lint
static char copyright[] =
"$Id: parse.c,v 1.23 1999/05/07 17:38:42 mellon Exp $ Copyright (c) 1995, 1996, 1997, 1998, 1999 The Internet Software Consortium. All rights reserved.\n";
"$Id: parse.c,v 1.24 1999/05/27 14:15:09 mellon Exp $ Copyright (c) 1995, 1996, 1997, 1998, 1999 The Internet Software Consortium. All rights reserved.\n";
#endif /* not lint */
#include "dhcpd.h"
@ -1797,6 +1797,72 @@ int parse_non_binary (expr, cfile, lose, context)
}
break;
case ENCODE_INT:
token = next_token (&val, cfile);
token = next_token (&val, cfile);
if (token != LPAREN) {
parse_warn ("left parenthesis expected.");
*lose = 1;
return 0;
}
if (!expression_allocate (expr,
"parse_expression: ENCODE_INT"))
log_fatal ("can't allocate expression");
if (!parse_numeric_expression (&(*expr) -> data.encode_int,
cfile, lose)) {
parse_warn ("expecting numeric expression.");
skip_to_semi (cfile);
*lose = 1;
expression_dereference
(expr, "parse_expression: ENCODE_INT");
return 0;
}
token = next_token (&val, cfile);
if (token != COMMA) {
parse_warn ("comma expected.");
*lose = 1;
return 0;
}
token = next_token (&val, cfile);
if (token != NUMBER) {
parse_warn ("number expected.");
*lose = 1;
return 0;
}
switch (atoi (val)) {
case 8:
(*expr) -> op = expr_encode_int8;
break;
case 16:
(*expr) -> op = expr_encode_int16;
break;
case 32:
(*expr) -> op = expr_encode_int32;
break;
default:
parse_warn ("unsupported integer size %d", atoi (val));
*lose = 1;
skip_to_semi (cfile);
expression_dereference
(expr, "parse_expression: ENCODE_INT");
return 0;
}
token = next_token (&val, cfile);
if (token != RPAREN) {
parse_warn ("right parenthesis expected.");
*lose = 1;
return 0;
}
break;
case NUMBER:
/* If we're in a numeric context, this should just be a
number, by itself. */