Slim down static binaries by avoiding stdio.
It's okay for a program to choose to drag in stdio, but it's unfortunate
if even the minimal "int main() { return 42; }" drags in stdio...
This brings the minimal static binary on ARM down from 78KiB to 46KiB.
Given that we don't have a separate -lpthread it's not obvious to me that
we can shave this down any further. I'm not sure whether this is a worthwhile
change for that reason. (And the fact that dynamic binaries, the usual case,
are unaffected either way.)
Change-Id: I02f91dcff37d14354314a30b72fed2563f431c88
diff --git a/libc/bionic/jemalloc_wrapper.cpp b/libc/bionic/jemalloc_wrapper.cpp
index d1fe960..e33d560 100644
--- a/libc/bionic/jemalloc_wrapper.cpp
+++ b/libc/bionic/jemalloc_wrapper.cpp
@@ -21,7 +21,7 @@
#include "private/bionic_macros.h"
void* je_pvalloc(size_t bytes) {
- size_t pagesize = sysconf(_SC_PAGESIZE);
+ size_t pagesize = getpagesize();
size_t size = BIONIC_ALIGN(bytes, pagesize);
if (size < bytes) {
return NULL;