sendmail: fix segfault if "To: email1,email2" is used

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/mailutils/sendmail.c b/mailutils/sendmail.c
index f440e6319620b6ae03d685a96fcdd5ba5496b674..defbd955263c9202b22a5a5eec6d853d01616418 100644 (file)
--- a/mailutils/sendmail.c
+++ b/mailutils/sendmail.c
@@ -189,8 +189,9 @@ static void rcptto(const char *s)
 // send to a list of comma separated addresses
 static void rcptto_list(const char *list)
 {
-       char *str = xstrdup(list);
-       char *s = str;
+       char *free_me = xstrdup(list);
+       char *str = free_me;
+       char *s = free_me;
        char prev = 0;
        int in_quote = 0;
 
@@ -208,7 +209,7 @@ static void rcptto_list(const char *list)
        }
        if (prev != ',')
                rcptto(angle_address(str));
-       free(str);
+       free(free_me);
 }
 
 int sendmail_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;