diff options
| -rw-r--r-- | bin/sh/expand.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/bin/sh/expand.c b/bin/sh/expand.c index f1d0d69..8d62830 100644 --- a/bin/sh/expand.c +++ b/bin/sh/expand.c @@ -397,12 +397,12 @@ expari(flag) CHECKSTRSPACE(12 - 2, expdest); USTPUTC('\0', expdest); start = stackblock(); - p = expdest; - while (*p != CTLARI && p >= start) + p = expdest - 2; + while (p >= start && *p != CTLARI) --p; - if (*p != CTLARI) + if (p < start || *p != CTLARI) error("missing CTLARI (shouldn't happen)"); - if (p > start && *(p-1) == CTLESC) + if (p > start && *(p - 1) == CTLESC) for (p = start; *p != CTLARI; p++) if (*p == CTLESC) p++; |
