From e315e41dbe1fad7a86a8d35b044907a819750bac Mon Sep 17 00:00:00 2001 From: kraai Date: Fri, 11 May 2001 14:26:29 +0000 Subject: Fix handling of '-' option and way that variables are added to the environment from Jonas Holmberg . Fix handling of command options by adding + to getopt string. git-svn-id: svn://busybox.net/trunk/busybox@2603 69ca8d6d-28ef-0310-b511-8ec308f3f277 --- env.c | 20 ++++++++++++++------ 1 file changed, 14 insertions(+), 6 deletions(-) (limited to 'env.c') diff --git a/env.c b/env.c index 56577b611..aca7c3ae2 100644 --- 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; } /* -- cgit v1.2.3-55-g6feb