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authorDenys Vlasenko <vda.linux@googlemail.com>2020-10-01 00:34:44 +0200
committerDenys Vlasenko <vda.linux@googlemail.com>2020-10-01 00:34:44 +0200
commitb1c7a66ca6ff913afba17cfe6f16a78a66915c07 (patch)
tree7e99b0a9372dfce961ae44b094987f00a6e4601b /libbb/ptr_to_globals.c
parent6561e07460acc5b38af99aa5e80283dc04953eca (diff)
downloadbusybox-b1c7a66ca6ff913afba17cfe6f16a78a66915c07.tar.gz
libbb: extend "errno pointer" trick to other than __GLIBC__
Savings on musl: function old new delta resume_main 582 614 +32 lbb_prepare - 20 +20 seq_main 432 449 +17 fgetsetversion 74 88 +14 ... script_main 1207 1180 -27 close_silently 28 - -28 shell_builtin_ulimit 655 626 -29 lineedit_read_key 280 247 -33 ------------------------------------------------------------------------------ (add/remove: 2/1 grow/shrink: 25/123 up/down: 182/-882) Total: -700 bytes text data bss dec hex filename 1005858 551 5676 1012085 f7175 busybox_old 1005136 551 5680 1011367 f6ea7 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'libbb/ptr_to_globals.c')
-rw-r--r--libbb/ptr_to_globals.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/libbb/ptr_to_globals.c b/libbb/ptr_to_globals.c
index 8ba9cd154..2232c6864 100644
--- a/libbb/ptr_to_globals.c
+++ b/libbb/ptr_to_globals.c
@@ -14,7 +14,7 @@ struct globals;
* but here we make it live in R/W memory */
struct globals *ptr_to_globals;
-#ifdef __GLIBC__
+#ifdef errno
int *bb_errno;
#endif
@@ -27,7 +27,7 @@ int *bb_errno;
* on weird architectures, compilers, linkers and so on */
struct globals *const ptr_to_globals __attribute__ ((section (".data")));
-#ifdef __GLIBC__
+#ifdef errno
int *const bb_errno __attribute__ ((section (".data")));
#endif