sh: sdcc miscompiles (foo = bar)->x = 1 so avoid

It's a strange syntax anyway !

With this applied internal commands sort of work but executing external
commands fails and "set" likewise shows there is some kind of variable space
corruption problem to pin down first

diff --git a/Applications/V7/cmd/sh/io.c b/Applications/V7/cmd/sh/io.c
index 0f995d0..707bf78 100644 (file)
--- a/Applications/V7/cmd/sh/io.c
+++ b/Applications/V7/cmd/sh/io.c
@@ -30,7 +30,8 @@ int estabf(register const char *s)
 {
        register FILE f;
 
-       (f = standin)->fdes = -1;
+       f = standin;
+       f->fdes = -1;
        f->fend = length(s) + (f->fnxt = (char *)s);/*FIXME review */
        f->flin = 1;
        return (f->feof = (s == 0));
@@ -40,7 +41,8 @@ void push(FILE af)
 {
        register FILE f;
 
-       (f = af)->fstak = standin;
+       f = af;
+       f->fstak = standin;
        f->feof = 0;
        f->feval = 0;
        standin = f;
@@ -50,7 +52,8 @@ int pop(void)
 {
        register FILE f;
 
-       if ((f = standin)->fstak) {
+       f = standin;
+       if (f->fstak) {
                if (f->fdes >= 0)
                        close(f->fdes);
                standin = f->fstak;