- add libbb function str_tolower to convert a string to lowercase.

[oweals/busybox.git] / coreutils / env.c

diff --git a/coreutils/env.c b/coreutils/env.c
index e4cad271be5749ba9df83b1b37c645d3d582d4f6..f47d450c5fcc6785d4b01c45d6c9cd8af75ab169 100644 (file)
--- a/coreutils/env.c
+++ b/coreutils/env.c
@@ -41,10 +41,11 @@ static const struct option env_long_options[] = {
 };
 #endif
 
+int env_main(int argc, char** argv);
 int env_main(int argc, char** argv)
 {
-       static char *cleanenv[1] = { NULL };
-
+       /* cleanenv was static - why? */
+       char *cleanenv[1];
        char **ep;
        unsigned opt;
        llist_t *unset_env = NULL;
@@ -54,18 +55,16 @@ int env_main(int argc, char** argv)
 #if ENABLE_FEATURE_ENV_LONG_OPTIONS
        applet_long_options = env_long_options;
 #endif
-
        opt = getopt32(argc, argv, "+iu:", &unset_env);
-
        argv += optind;
        if (*argv && LONE_DASH(argv[0])) {
                opt |= 1;
                ++argv;
        }
-
-       if (opt & 1)
+       if (opt & 1) {
+               cleanenv[0] = NULL;
                environ = cleanenv;
-       else if (opt & 2) {
+       } else if (opt & 2) {
                while (unset_env) {
                        unsetenv(unset_env->data);
                        unset_env = unset_env->link;
@@ -80,7 +79,7 @@ int env_main(int argc, char** argv)
        }
 
        if (*argv) {
-               execvp(*argv, argv);
+               BB_EXECVP(*argv, argv);
                /* SUSv3-mandated exit codes. */
                xfunc_error_retval = (errno == ENOENT) ? 127 : 126;
                bb_perror_msg_and_die("%s", *argv);