fix bug whereby getopt_long allowed mismatch in last char of option name

diff --git a/src/linux/getopt_long.c b/src/linux/getopt_long.c
index d80cd1b67d2042e88607846ecb075bc17c6e6cff..6d3a4a6e644e5dc4ba3156ba3a7ce4a0c006c9cb 100644 (file)
--- a/src/linux/getopt_long.c
+++ b/src/linux/getopt_long.c
@@ -14,7 +14,7 @@ static int __getopt_long(int argc, char *const *argv, const char *optstring, con
                        const char *name = longopts[i].name;
                        char *opt = argv[optind]+1;
                        if (*opt == '-') opt++;
-                       while (*name && *name++ == *opt++);
+                       for (; *name && *name == *opt; name++, opt++);
                        if (*name || (*opt && *opt != '=')) continue;
                        if (*opt == '=') {
                                if (!longopts[i].has_arg) continue;