diff options
Diffstat (limited to 'shell')
| -rw-r--r-- | shell/ash.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/shell/ash.c b/shell/ash.c index 54335c5..44ec2ea 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -7191,7 +7191,13 @@ subevalvar(char *start, char *str, int strloc, len = orig_len - pos; if (!quotes) { - loc = mempcpy(startp, startp + pos, len); + /* want: loc = mempcpy(startp, startp + pos, len) + * but it does not allow overlapping arguments */ + loc = startp; + while (--len >= 0) { + *loc = loc[pos]; + loc++; + } } else { for (vstr = startp; pos != 0; pos--) { if ((unsigned char)*vstr == CTLESC) |