diff options
Diffstat (limited to 'coreutils/printenv.c')
| -rw-r--r-- | coreutils/printenv.c | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/coreutils/printenv.c b/coreutils/printenv.c index 2531d5a..19fa832 100644 --- a/coreutils/printenv.c +++ b/coreutils/printenv.c @@ -14,25 +14,20 @@ extern char **environ; int printenv_main(int argc, char **argv); int printenv_main(int argc, char **argv) { - int e = 0; - /* no variables specified, show whole env */ - if (argc == 1) + if (argc == 1) { + int e = 0; while (environ[e]) puts(environ[e++]); - - /* search for specified variables and print them out if found */ - else { - int i; - size_t l; + } else { + /* search for specified variables and print them out if found */ char *arg, *env; - for (i=1; (arg = argv[i]); ++i) - for (; (env = environ[e]); ++e) { - l = strlen(arg); - if (!strncmp(env, arg, l) && env[l] == '=') - puts(env + l + 1); - } + while ((arg = *++argv) != NULL) { + env = getenv(arg); + if (env) + puts(env); + } } fflush_stdout_and_exit(0); |