1 files changed, 8 insertions, 6 deletions

diff --git a/editors/sed.c b/editors/sed.c
index 30ab8c9fb..4bd6e0168 100644
--- a/editors/sed.c
+++ b/editors/sed.c
@@ -487,7 +487,7 @@ static const char *parse_cmd_args(sed_cmd_t *sed_cmd, const char *cmdstr)
 static void add_cmd(const char *cmdstr)
 {
         sed_cmd_t *sed_cmd;
-        int temp;
+        unsigned len, n;
 
         /* Append this line to any unfinished line from last time. */
         if (G.add_cmd_line) {
@@ -496,12 +496,14 @@ static void add_cmd(const char *cmdstr)
                 cmdstr = G.add_cmd_line = tp;
         }
 
-        /* If this line ends with backslash, request next line. */
-        temp = strlen(cmdstr);
-        if (temp && cmdstr[--temp] == '\\') {
+        /* If this line ends with unescaped backslash, request next line. */
+        n = len = strlen(cmdstr);
+        while (n && cmdstr[n-1] == '\\')
+                n--;
+        if ((len - n) & 1) { /* if odd number of trailing backslashes */
                 if (!G.add_cmd_line)
                         G.add_cmd_line = xstrdup(cmdstr);
-                G.add_cmd_line[temp] = '\0';
+                G.add_cmd_line[len-1] = '\0';
                 return;
         }
 
@@ -560,7 +562,7 @@ static void add_cmd(const char *cmdstr)
                 /* last part (mandatory) will be a command */
                 if (!*cmdstr)
                         bb_error_msg_and_die("missing command");
-                sed_cmd->cmd = *(cmdstr++);
+                sed_cmd->cmd = *cmdstr++;
                 cmdstr = parse_cmd_args(sed_cmd, cmdstr);
 
                 /* Add the command to the command array */