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authorTodd C. Miller <millert@cvs.openbsd.org>1999-06-15 01:18:37 +0000
committerTodd C. Miller <millert@cvs.openbsd.org>1999-06-15 01:18:37 +0000
commitb6f2d26d5b213fdd95fe8f3a8aaa9c02e181070c (patch)
tree3940e971a5fd11eb5754339ba24122db7dcdece3 /bin/ksh/expr.c
parented796a820653ef1e6c63e0bae7a6f19bbff18fbb (diff)
patches from pdksh 5.2.13.11
Diffstat (limited to 'bin/ksh/expr.c')
-rw-r--r--bin/ksh/expr.c25
1 files changed, 17 insertions, 8 deletions
diff --git a/bin/ksh/expr.c b/bin/ksh/expr.c
index 1a9f4c9fa97..ddfcb53a04a 100644
--- a/bin/ksh/expr.c
+++ b/bin/ksh/expr.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: expr.c,v 1.6 1999/01/19 20:41:52 millert Exp $ */
+/* $OpenBSD: expr.c,v 1.7 1999/06/15 01:18:34 millert Exp $ */
/*
* Korn expression evaluation
@@ -39,7 +39,7 @@ enum token {
/* things that don't appear in the opinfo[] table */
VAR, LIT, END, BAD
};
-#define IS_BINOP(op) (((int)op) >= O_EQ && ((int)op) <= O_COMMA)
+#define IS_BINOP(op) (((int)op) >= (int)O_EQ && ((int)op) <= (int)O_COMMA)
#define IS_ASSIGNOP(op) ((int)(op) >= (int)O_ASN && (int)(op) <= (int)O_BORASN)
enum prec {
@@ -185,7 +185,7 @@ v_evaluate(vp, expr, error_ok)
curstate.evaling->flag &= ~EXPRINEVAL;
quitenv();
if (i == LAEXPR) {
- if (error_ok)
+ if (error_ok == KSH_RETURN_ERROR)
return 0;
errorf(null);
}
@@ -208,8 +208,8 @@ v_evaluate(vp, expr, error_ok)
if (vp->flag & INTEGER)
setint_v(vp, v);
else
- /* SETSTR: can't fail; if pretending, allow fail */
- setstr(vp, str_val(v));
+ /* can fail if readony */
+ setstr(vp, str_val(v), error_ok);
quitenv();
@@ -482,6 +482,15 @@ token(es)
evalerr(es, ET_STR, "missing ]");
cp += len;
}
+#ifdef KSH
+ else if (c == '(' /*)*/ ) {
+ /* todo: add math functions (all take single argument):
+ * abs acos asin atan cos cosh exp int log sin sinh sqrt
+ * tan tanh
+ */
+ ;
+ }
+#endif /* KSH */
if (es->noassign) {
es->val = tempvar();
es->val->flag |= EXPRLVALUE;
@@ -552,9 +561,9 @@ assign_check(es, op, vasn)
struct tbl *vasn;
{
if (vasn->name[0] == '\0' && !(vasn->flag & EXPRLVALUE))
- evalerr(es, ET_LVALUE, opinfo[op].name);
+ evalerr(es, ET_LVALUE, opinfo[(int) op].name);
else if (vasn->flag & RDONLY)
- evalerr(es, ET_RDONLY, opinfo[op].name);
+ evalerr(es, ET_RDONLY, opinfo[(int) op].name);
}
static struct tbl *
@@ -590,7 +599,7 @@ intvar(es, vp)
evalerr(es, ET_RECURSIVE, vp->name);
es->evaling = vp;
vp->flag |= EXPRINEVAL;
- v_evaluate(vq, str_val(vp), FALSE);
+ v_evaluate(vq, str_val(vp), KSH_UNWIND_ERROR);
vp->flag &= ~EXPRINEVAL;
es->evaling = (struct tbl *) 0;
}