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authornicm <nicm>2019-05-28 18:30:30 +0000
committernicm <nicm>2019-05-28 18:30:30 +0000
commit4382538e4bac2849262710c447e4b630e7f34bd7 (patch)
tree618a526dcdbb3c05b773f167fc144b8ba4f5a13c /arguments.c
parent299d4f3aaa801ee79920fadcb802ca51b0d639ec (diff)
Do not read past the end of the argument string if it is empty.
Diffstat (limited to 'arguments.c')
-rw-r--r--arguments.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arguments.c b/arguments.c
index 68690deb..54bc3593 100644
--- a/arguments.c
+++ b/arguments.c
@@ -211,6 +211,8 @@ args_escape(const char *s)
char *escaped, *result;
int flags;
+ if (*s == '\0')
+ return (xstrdup(s));
if ((strchr(quoted, s[0]) != NULL || s[0] == '~') && s[1] == '\0') {
xasprintf(&escaped, "\\%c", s[0]);
return (escaped);