summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--ChangeLog5
-rw-r--r--Src/math.c4
2 files changed, 9 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index f619240c5..4775b505d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2004-11-29 Peter Stephenson <pws@csr.com>
+
+ * 20592: Src/math.c: $((##)) caused mayhem by passing null
+ string to getkeystring(). Report error instead.
+
2004-11-24 Clint Adams <clint@zsh.org>
* 20583: Completion/Unix/Command/_ssh: complete "modern" options
diff --git a/Src/math.c b/Src/math.c
index ce316414e..acf7bdd11 100644
--- a/Src/math.c
+++ b/Src/math.c
@@ -451,6 +451,10 @@ zzlex(void)
int v;
ptr++;
+ if (!*ptr) {
+ zerr("character missing after ##", NULL, 0);
+ return EOI;
+ }
ptr = getkeystring(ptr, NULL, 6, &v);
yyval.u.l = v;
return NUM;