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-rw-r--r--libio/fileops.c4
-rw-r--r--libio/libio.h17
-rw-r--r--libio/stdio.h6
3 files changed, 21 insertions, 6 deletions
diff --git a/libio/fileops.c b/libio/fileops.c
index 1219abe..66c2fc5 100644
--- a/libio/fileops.c
+++ b/libio/fileops.c
@@ -316,7 +316,7 @@ _IO_do_write (fp, data, to_do)
fp->_cur_column = _IO_adjust_column (fp->_cur_column - 1, data, to_do) + 1;
_IO_setg (fp, fp->_IO_buf_base, fp->_IO_buf_base, fp->_IO_buf_base);
fp->_IO_write_base = fp->_IO_write_ptr = fp->_IO_buf_base;
- fp->_IO_write_end = ((fp->_flags & (_IO_LINE_BUF+_IO_UNBUFFERED))
+ fp->_IO_write_end = ((fp->_flags & (_IO_UNBUFFERED))
? fp->_IO_buf_base : fp->_IO_buf_end);
return count != to_do ? EOF : 0;
}
@@ -410,7 +410,7 @@ _IO_file_overflow (f, ch)
f->_IO_write_end = f->_IO_buf_end;
f->_IO_read_base = f->_IO_read_ptr = f->_IO_read_end;
- if (f->_flags & (_IO_LINE_BUF+_IO_UNBUFFERED))
+ if (f->_flags & (_IO_UNBUFFERED))
f->_IO_write_end = f->_IO_write_ptr;
f->_flags |= _IO_CURRENTLY_PUTTING;
}
diff --git a/libio/libio.h b/libio/libio.h
index c3dd640..410794f 100644
--- a/libio/libio.h
+++ b/libio/libio.h
@@ -287,10 +287,23 @@ extern int __overflow __P ((_IO_FILE *, int));
&& __underflow (_fp) == EOF ? EOF \
: *(unsigned char *) (_fp)->_IO_read_ptr)
-#define _IO_putc_unlocked(_ch, _fp) \
+#ifdef __GNUC__
+# define _IO_putc_unlocked(_ch, _fp) \
+ (__extension__ \
+ ({ unsigned char _chl = (_ch); \
+ (((_fp)->_IO_write_ptr >= (_fp)->_IO_write_end \
+ || (_chl == '\n' && ((_fp)->_flags & _IO_LINE_BUF))) \
+ ? __overflow (_fp, (unsigned char) _chl) \
+ : (unsigned char) (*(_fp)->_IO_write_ptr++ = _chl)); }))
+#else
+# define _IO_putc_unlocked(_ch, _fp) \
(((_fp)->_IO_write_ptr >= (_fp)->_IO_write_end) \
? __overflow (_fp, (unsigned char) (_ch)) \
- : (unsigned char) (*(_fp)->_IO_write_ptr++ = (_ch)))
+ : ((unsigned char) (*(_fp)->_IO_write_ptr = (_ch)) == '\n' \
+ && ((_fp)->_flags & _IO_LINE_BUF) \
+ ? __overflow (_fp, (unsigned char) *(_fp)->_IO_write_ptr) \
+ : (unsigned char) (*(_fp)->_IO_write_ptr++)))
+#endif
#define _IO_feof_unlocked(__fp) (((__fp)->_flags & _IO_EOF_SEEN) != 0)
#define _IO_ferror_unlocked(__fp) (((__fp)->_flags & _IO_ERR_SEEN) != 0)
diff --git a/libio/stdio.h b/libio/stdio.h
index b220e41..1167d3c 100644
--- a/libio/stdio.h
+++ b/libio/stdio.h
@@ -32,7 +32,9 @@ __BEGIN_DECLS
# define __need_NULL
# include <stddef.h>
-# define __need___va_list
+# ifndef __USE_XOPEN
+# define __need___va_list
+# endif
# include <stdarg.h>
# include <bits/types.h>
@@ -111,7 +113,7 @@ extern void __libc_fatal __P ((__const char *__message))
#define SEEK_END 2 /* Seek from end of file. */
-#ifdef __USE_SVID
+#if defined __USE_SVID || defined __USE_XOPEN
/* Default path prefix for `tempnam' and `tmpnam'. */
# define P_tmpdir "/tmp"
#endif