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stdio.h: Use __POSIX_VISIBLE etc. guards for POSIX 1003.1:2001 functions 

Current mesa expects stdio.h to prototype fileno() when compiling with gcc
-std=c99 -D_XOPEN_SOURCE

Fix the 'POSIX 1003.1:2001' block in stdio.h to prototype functions if not
__STRICT_ANSI__, or _BSD_SOURCE, _POSIX_C_SOURCE or _XOPEN_SOURCE are defined
appropriately

As far as I can tell, despite being in this block, setbuffer() and setlinebuf()
are BSDisms which aren't in POSIX 1003.1:2001

Signed-off-by: Jon Turney <jon.turney@dronecode.org.uk>
This commit is contained in:
Jon Turney 2016-02-04 17:07:44 +00:00 committed by Corinna Vinschen
parent 352cdbb012
commit c5fee55606
1 changed files with 10 additions and 4 deletions
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14
newlib/libc/include/stdio.h
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@ -311,17 +311,23 @@ int _EXFUN(vsscanf, (const char *__restrict, const char *__restrict, __VALIST)
* Routines in POSIX 1003.1:2001.
*/
#ifndef __STRICT_ANSI__
#if !defined(__STRICT_ANSI__) || __XSI_VISIBLE || __POSIX_VISIBLE >= 200112
#ifndef _REENT_ONLY
FILE * _EXFUN(fdopen, (int, const char *));
#endif
int _EXFUN(fileno, (FILE *));
int _EXFUN(getw, (FILE *));
int _EXFUN(pclose, (FILE *));
FILE * _EXFUN(popen, (const char *, const char *));
int _EXFUN(putw, (int, FILE *));
#endif
#if !defined(__STRICT_ANSI__) || __BSD_VISIBLE
void _EXFUN(setbuffer, (FILE *, char *, int));
int _EXFUN(setlinebuf, (FILE *));
#endif
#if !defined(__STRICT_ANSI__) || __BSD_VISIBLE || __XSI_VISIBLE || __POSIX_VISIBLE >= 200112
int _EXFUN(getw, (FILE *));
int _EXFUN(putw, (int, FILE *));
int _EXFUN(getc_unlocked, (FILE *));
int _EXFUN(getchar_unlocked, (void));
void _EXFUN(flockfile, (FILE *));
@ -329,7 +335,7 @@ int _EXFUN(ftrylockfile, (FILE *));
void _EXFUN(funlockfile, (FILE *));
int _EXFUN(putc_unlocked, (int, FILE *));
int _EXFUN(putchar_unlocked, (int));
#endif /* ! __STRICT_ANSI__ */
#endif
/*
* Routines in POSIX 1003.1:200x.