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env: micro-optimization

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printenv: fix "printenv VAR1 VAR2" bug (wasn't printing VAR2)
(spotted by kalyanatejaswi balabhadrapatruni <kalyanatejaswi@yahoo.co.in>)

env_main                                             267     260      -7
printenv_main                                        147      75     -72
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(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-79)             Total: -79 bytes
   text    data     bss     dec     hex filename
 770336    1096   11228  782660   bf144 busybox_old
 770256    1096   11228  782580   bf0f4 busybox_unstripped
This commit is contained in:
Denis Vlasenko
2007-08-06 02:55:41 +00:00
parent 84d71f33f5
commit e013475830
2 changed files with 10 additions and 15 deletions
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2
coreutils/env.c
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@ -63,7 +63,7 @@ int env_main(int argc, char** argv)
if (opt & 1) {
cleanenv[0] = NULL;
environ = cleanenv;
} else if (opt & 2) {
} else {
while (unset_env) {
unsetenv(unset_env->data);
unset_env = unset_env->link;