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authorJulien Cretin <zsh@ia0.eu>2016-10-06 11:36:32 +0200
committerPeter Stephenson <pws@zsh.org>2016-10-06 10:57:10 +0100
commita96e34b459d55240b0f4af37ac73aca916720883 (patch)
tree73760ff8aa8fa98108778f88fb71425cd1c52472
parentffa6c76253b9833379893e87e8504eb03b4e954e (diff)
downloadzsh-a96e34b459d55240b0f4af37ac73aca916720883.tar.gz
zsh-a96e34b459d55240b0f4af37ac73aca916720883.zip
39579: Fix string calculation for parameter quoting.
Where there was no closing quote the size or position of the null could be wrongly calculated.
-rw-r--r--ChangeLog4
-rw-r--r--Src/subst.c6
2 files changed, 7 insertions, 3 deletions
diff --git a/ChangeLog b/ChangeLog
index e3e276e00..aec3a20aa 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
2016-10-06 Peter Stephenson <p.stephenson@samsung.com>
+ * Julien Cretin: 39579: Src/subst.c: position of \0
+ with optional quoting in parameter substitution was wrongly
+ calculated.
+
* 39578: Test/C03traps.ztst: Test some more ERR_RETURN cases
involving "&&" and functions.
diff --git a/Src/subst.c b/Src/subst.c
index ecd74879f..447177409 100644
--- a/Src/subst.c
+++ b/Src/subst.c
@@ -3629,7 +3629,7 @@ paramsubst(LinkList l, LinkNode n, char **str, int qt, int pf_flags,
if (pre)
ap[0][pre - 1] = ap[0][pre + sl] =
(quotetype != QT_DOUBLE ? '\'' : '"');
- ap[0][pre + sl + 1] = '\0';
+ ap[0][pre + sl + post] = '\0';
if (quotetype == QT_DOLLARS)
ap[0][0] = '$';
}
@@ -3667,12 +3667,12 @@ paramsubst(LinkList l, LinkNode n, char **str, int qt, int pf_flags,
char *tmp;
tmp = quotestring(val, quotetype);
sl = strlen(tmp);
- val = (char *) zhalloc(pre + sl + 2);
+ val = (char *) zhalloc(pre + sl + post + 1);
strcpy(val + pre, tmp);
if (pre)
val[pre - 1] = val[pre + sl] =
(quotetype != QT_DOUBLE ? '\'' : '"');
- val[pre + sl + 1] = '\0';
+ val[pre + sl + post] = '\0';
if (quotetype == QT_DOLLARS)
val[0] = '$';
} else