diff options
Diffstat (limited to 'editors/sed.c')
| -rw-r--r-- | editors/sed.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/editors/sed.c b/editors/sed.c index 30ab8c9..4bd6e01 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 */ |