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legacy stdc++: Make sure MTSAFE_IO is always enabled.

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It's set in _G_config.h, but this file doesn't include that,
so in many cases the "unlocked" function was called instead.
(Most of the stdc++ .cc files did have it set, though.)
This commit is contained in:
Augustin Cavalier
2025-03-13 16:35:23 -04:00
parent 3b587ea361
commit 01a481d470
1 changed files with 1 additions and 15 deletions
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headers/cpp/libio.h
+1 -15
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@@ -181,26 +181,12 @@ extern int __uflow(_IO_FILE *stream);
extern int __overflow(_IO_FILE *stream, int c);
extern int _IO_peekc_locked(_IO_FILE *stream);
/* This one is for Emacs. */
#define _IO_PENDING_OUTPUT_COUNT(_fp) \
((_fp)->_IO_write_ptr - (_fp)->_IO_write_base)
#define _IO_peekc(_fp) _IO_peekc_locked (_fp)
extern void _IO_flockfile(_IO_FILE *);
extern void _IO_funlockfile(_IO_FILE *);
extern int _IO_ftrylockfile(_IO_FILE *);
#ifdef _IO_MTSAFE_IO
# define _IO_peekc(_fp) _IO_peekc_locked (_fp)
#else
# define _IO_peekc(_fp) _IO_peekc_unlocked (_fp)
# define _IO_flockfile(_fp) /**/
# define _IO_funlockfile(_fp) /**/
# define _IO_ftrylockfile(_fp) /**/
# define _IO_cleanup_region_start(_fct, _fp) /**/
# define _IO_cleanup_region_end(_Doit) /**/
#endif /* !_IO_MTSAFE_IO */
extern int _IO_vfscanf(_IO_FILE *, const char *, va_list, int *);
extern int _IO_vfprintf(_IO_FILE *, const char *, va_list);
extern _IO_ssize_t _IO_padn(_IO_FILE *, int, _IO_ssize_t);