Fix handling of '-' option and way that variables are added to the

environment from Jonas Holmberg <jonas.holmberg@axis.com>.  Fix
handling of command options by adding + to getopt string.

diff --git a/coreutils/env.c b/coreutils/env.c
index 56577b6..aca7c3a 100644 (file)
--- a/coreutils/env.c
+++ b/coreutils/env.c
@@ -35,14 +35,13 @@ extern int env_main(int argc, char** argv)
 {
        char **ep, *p;
        char *cleanenv[1];
+       int ignore_environment = 0;
        int ch;
 
-       while ((ch = getopt(argc, argv, "-iu:")) != -1)
+       while ((ch = getopt(argc, argv, "+iu:")) != -1) {
                switch(ch) {
-               case '-':
                case 'i':
-                       environ = cleanenv;
-                       cleanenv[0] = NULL;
+                       ignore_environment = 1;
                        break;
                case 'u':
                        unsetenv(optarg);
@@ -50,15 +49,24 @@ extern int env_main(int argc, char** argv)
                default:
                        show_usage();
                }
+       }
+       if (optind != argc && !strcmp(argv[optind], "-")) {
+               ignore_environment = 1;
+               argv++;
+       }
+       if (ignore_environment) {
+               environ = cleanenv;
+               cleanenv[0] = NULL;
+       }
        for (argv += optind; *argv && (p = strchr(*argv, '=')); ++argv)
-               setenv(*argv, ++p, 1);
+               putenv(*argv);
        if (*argv) {
                execvp(*argv, argv);
                perror_msg_and_die("%s", *argv);
        }
        for (ep = environ; *ep; ep++)
                printf("%s\n", *ep);
-       exit(EXIT_SUCCESS);
+       return 0;
 }
 
 /*

diff --git a/env.c b/env.c
index 56577b6..aca7c3a 100644 (file)
--- a/env.c
+++ b/env.c
@@ -35,14 +35,13 @@ extern int env_main(int argc, char** argv)
 {
        char **ep, *p;
        char *cleanenv[1];
+       int ignore_environment = 0;
        int ch;
 
-       while ((ch = getopt(argc, argv, "-iu:")) != -1)
+       while ((ch = getopt(argc, argv, "+iu:")) != -1) {
                switch(ch) {
-               case '-':
                case 'i':
-                       environ = cleanenv;
-                       cleanenv[0] = NULL;
+                       ignore_environment = 1;
                        break;
                case 'u':
                        unsetenv(optarg);
@@ -50,15 +49,24 @@ extern int env_main(int argc, char** argv)
                default:
                        show_usage();
                }
+       }
+       if (optind != argc && !strcmp(argv[optind], "-")) {
+               ignore_environment = 1;
+               argv++;
+       }
+       if (ignore_environment) {
+               environ = cleanenv;
+               cleanenv[0] = NULL;
+       }
        for (argv += optind; *argv && (p = strchr(*argv, '=')); ++argv)
-               setenv(*argv, ++p, 1);
+               putenv(*argv);
        if (*argv) {
                execvp(*argv, argv);
                perror_msg_and_die("%s", *argv);
        }
        for (ep = environ; *ep; ep++)
                printf("%s\n", *ep);
-       exit(EXIT_SUCCESS);
+       return 0;
 }
 
 /*