*: introduce and use bb_unsetenv_and_free
function old new delta
bb_unsetenv_and_free - 17 +17
tcpudpsvd_main 1819 1810 -9
safe_setenv 58 47 -11
udhcp_run_script 630 616 -14
make_device 1683 1663 -20
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/4 up/down: 17/-54) Total: -37 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/include/libbb.h b/include/libbb.h
index 5e962fd..58719a8 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -408,6 +408,7 @@
void xchroot(const char *path) FAST_FUNC;
void xsetenv(const char *key, const char *value) FAST_FUNC;
void bb_unsetenv(const char *key) FAST_FUNC;
+void bb_unsetenv_and_free(char *key) FAST_FUNC;
void xunlink(const char *pathname) FAST_FUNC;
void xstat(const char *pathname, struct stat *buf) FAST_FUNC;
int xopen(const char *pathname, int flags) FAST_FUNC;