From 7fc03cf320f9ed0178babbb33de0550d393b8886 Mon Sep 17 00:00:00 2001 From: Joseph Myers Date: Thu, 15 Feb 2018 20:57:15 +0000 Subject: Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug 19463). Continuing the fixes for linknamespace and localplt test failures with -Os that arise from functions not being inlined in that case, this patch fixes such failures for feof_unlocked. The usual approach is followed of adding __feof_unlocked (inlined when feof_unlocked is), making calls use it when required for namespace reasons, and using libc_hidden_proto / libc_hidden_weak for the feof_unlocked weak alias when only localplt but not namespace issues are involved. In the case of getaddrinfo.c, use of __feof_unlocked needs to be conditional since that code is also used in nscd (where __feof_unlocked is not available). Tested for x86_64 (both without -Os to make sure that case continues to work, and with -Os to make sure all the relevant linknamespace and localplt test failures are resolved). Because of other such failures that remain after this patch, neither of the bugs can yet be closed. [BZ #15105] [BZ #19463] * libio/feof_u.c (feof_unlocked): Rename to __feof_unlocked and define as weak alias of __feof_unlocked. Use libc_hidden_weak. * include/stdio.h (feof_unlocked): Use libc_hidden_proto. (__feof_unlocked): New declaration, and inline function if [__USE_EXTERN_INLINES]. * iconv/gconv_conf.c (read_conf_file): Call __feof_unlocked instead of feof_unlocked. * intl/localealias.c [_LIBC] (FEOF): Likewise. * nss/nsswitch.c (nss_parse_file): Likewise. * sysdeps/unix/sysv/linux/readonly-area.c (__readonly_area): Likewise. * time/getdate.c (__getdate_r): Likewise. * sysdeps/posix/getaddrinfo.c [IS_IN (libc)] (feof_unlocked): Define as macro to call __feof_unlocked. --- intl/localealias.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'intl') diff --git a/intl/localealias.c b/intl/localealias.c index f0fefe456c..09e7894002 100644 --- a/intl/localealias.c +++ b/intl/localealias.c @@ -90,7 +90,7 @@ char *alloca (); /* Some optimizations for glibc. */ #ifdef _LIBC -# define FEOF(fp) feof_unlocked (fp) +# define FEOF(fp) __feof_unlocked (fp) # define FGETS(buf, n, fp) __fgets_unlocked (buf, n, fp) #else # define FEOF(fp) feof (fp) -- cgit 1.4.1