From: "Andrej Borsenkow" <Andrej.Borsenkow@mow.siemens.ru>
To: "ZSH workers mailing list" <zsh-workers@sunsite.auc.dk>
Subject: Please, do NOT use GCC as development compiler (or, at least, turn on some conformance checking).
Date: Fri, 3 Mar 2000 12:21:58 +0300 [thread overview]
Message-ID: <000201bf84f1$ed1c8fc0$21c9ca95@mow.siemens.ru> (raw)
parse.c 2426: [error]: CFE1137 expression must be a modifiable lvalue
fdflags(pre) = (map ? FDF_MAP : 0) | other;
^
parse.c 2427: [error]: CFE1137 expression must be a modifiable lvalue
fdsetother(pre, tlen);
^
parse.c 2427: [error]: CFE1137 expression must be a modifiable lvalue
fdsetother(pre, tlen);
^
parse.c 2427: [error]: CFE1137 expression must be a modifiable lvalue
fdsetother(pre, tlen);
That all originates from fdbyte() macro, that looks like:
#define fdbyte(f, i) ((wordcode) (((unsigned char *) (((Wordcode) (f)) +
1))[i]))
You take a _char_ value and cast it to wordcode == int. This_is_not_lvalue
and can not be assigned to (most probable implementation is temporary
storage in stack or register). I have no idea, what GCC does with it.
So, the simplest way is to provide two sets of macros - GET and SET. And,
BTW, why are they in lower case? I'd prefer such macros in upper case - as
is customary in C ...
cheers
/andrej
reply other threads:[~2000-03-03 9:22 UTC|newest]
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