Merge commit 'zsh-4.3.14' into debian

2 files changed, 4 insertions, 12 deletions

diff --git a/Src/lex.c b/Src/lex.c
index 90c4effd9..05f54f842 100644
--- a/Src/lex.c
+++ b/Src/lex.c
@@ -567,22 +567,14 @@ add(int c)
 {
     *bptr++ = c;
     if (bsiz == ++len) {
-#if 0
-	int newbsiz;
-
-	newbsiz = bsiz * 8;
-	while (newbsiz < inbufct)
-	    newbsiz *= 2;
-	bptr = len + (tokstr = (char *)hrealloc(tokstr, bsiz, newbsiz));
-	bsiz = newbsiz;
-#endif
-
 	int newbsiz = bsiz * 2;
 
 	if (newbsiz > inbufct && inbufct > bsiz)
 	    newbsiz = inbufct;
 
 	bptr = len + (tokstr = (char *)hrealloc(tokstr, bsiz, newbsiz));
+	/* len == bsiz, so bptr is at the start of newly allocated memory */
+	memset(bptr, 0, newbsiz - bsiz);
 	bsiz = newbsiz;
     }
 }
diff --git a/Src/utils.c b/Src/utils.c
index 6c2ea98d5..014cb2fa2 100644
--- a/Src/utils.c
+++ b/Src/utils.c
@@ -3959,7 +3959,7 @@ metafy(char *buf, int len, int heap)
 	    if (imeta(*e++))
 		meta++;
 
-    if (meta || heap == META_DUP || heap == META_HEAPDUP) {
+    if (meta || heap == META_DUP || heap == META_HEAPDUP || *e != '\0') {
 	switch (heap) {
 	case META_REALLOC:
 	    buf = zrealloc(buf, len + meta + 1);
@@ -4002,8 +4002,8 @@ metafy(char *buf, int len, int heap)
 		meta--;
 	    }
 	}
+	*e = '\0';
     }
-    *e = '\0';
     return buf;
 }