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authorMark Whitley <markw@lineo.com>2001-04-20 23:41:44 +0000
committerMark Whitley <markw@lineo.com>2001-04-20 23:41:44 +0000
commit56c14a647354b6b77fdc0c2f6c5e2f1c433ec410 (patch)
treeb5893656cf9a09d97b7bc6e28617a91bfadbd298 /sed.c
parent497ef4658755762d44e1b83e067c985f79f8cba5 (diff)
downloadbusybox-56c14a647354b6b77fdc0c2f6c5e2f1c433ec410.tar.gz
Fixed a buglet where an extra newline was being added after an insert command
in some cases.
Diffstat (limited to 'sed.c')
-rw-r--r--sed.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/sed.c b/sed.c
index 07e3a3e30..1342a6643 100644
--- a/sed.c
+++ b/sed.c
@@ -333,17 +333,20 @@ static int parse_edit_cmd(struct sed_cmd *sed_cmd, const char *editstr)
}
out:
- ptr[idx] = '\n';
- ptr[idx+1] = 0;
-
/* this accounts for discrepancies between the modified string and the
* original string passed in to this function */
idx += slashes_eaten;
- /* this accounts for the fact that A) we started at index 3, not at index
- * 0 and B) that we added an extra '\n' at the end (if you think the next
- * line should read 'idx += 4' remember, arrays are zero-based) */
- idx += 3;
+ /* figure out if we need to add a newline */
+ if (ptr[idx-1] != '\n') {
+ ptr[idx] = '\n';
+ idx++;
+ }
+
+ /* terminate string */
+ ptr[idx]= 0;
+ /* adjust for opening 2 chars [aic]\ */
+ idx += 2;
return idx;
}