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Hide various stdio implementation details.

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I've left __sF exposed since that's how the OpenBSD stdin, stdout, stderr
are implemented. Other BSDs and glibc use a separate global for each instead
of an array.

Bug: 11156955
Change-Id: I9f3d2d4314a8d4a78c3197b9acd9258820c5f150
This commit is contained in:
Elliott Hughes 2014-05-22 20:06:23 -07:00
parent ea7dc32080
commit 2899de9b05
2 changed files with 13 additions and 0 deletions
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4
libc/stdio/glue.h
View File

@ -42,4 +42,8 @@ struct glue {
FILE *iobs; FILE *iobs;
}; };
#pragma GCC visibility push(hidden)
extern struct glue __sglue; extern struct glue __sglue;
#pragma GCC visibility pop

9
libc/stdio/local.h
View File

@ -41,6 +41,8 @@
#include "wcio.h" #include "wcio.h"
#include "fileext.h" #include "fileext.h"
#pragma GCC visibility push(hidden)
int __sflush(FILE *); int __sflush(FILE *);
int __sflush_locked(FILE *); int __sflush_locked(FILE *);
FILE *__sfp(void); FILE *__sfp(void);
@ -118,3 +120,10 @@ static __inline int __sputc(int _c, FILE* _p) {
return (__swbuf(_c, _p)); return (__swbuf(_c, _p));
} }
} }
/* OpenBSD declares these in fvwrite.h but we want to ensure they're hidden. */
struct __suio;
extern int __sfvwrite(FILE *, struct __suio *);
wint_t __fputwc_unlock(wchar_t wc, FILE *fp);
#pragma GCC visibility pop