64 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			64 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| What's new:
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| -----------
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| 
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| - New open(2) flags O_TMPFILE and O_NOATIME.
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| 
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| - scanf/wscanf now handle the POSIX %m modifier.
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| 
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| - scanf now handles the %l[ conversion.
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| 
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| - Improved hostprogs compatibility for cross-compiling the Linux kernel.
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|   New headers: <asm/bitsperlong.h>, <asm/posix_types.h>.
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| 
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| - Built-in implementation of Stack Smashing Protection compiler feature.
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|   New APIs: __stack_chk_fail, __stack_chk_guard.
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| 
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| - Built-in implementation of _FORTIFY_SOURCE guards for functions in
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|   <stdio.h>, <stdlib.h>, <string.h>, <strings.h>, <unistd.h>, <wchar.h>,
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|   <sys/poll.h>, and <sys/socket.h>.
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|   New APIs:  __chk_fail, __gets_chk, __memcpy_chk, __memmove_chk, __mempcpy_chk,
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|   __memset_chk, __snprintf_chk, __sprintf_chk, __stpcpy_chk, __stpncpy_chk,
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|   __strcat_chk, __strcpy_chk, __strncat_chk, __strncpy_chk, __vsnprintf_chk,
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|   __vsprintf_chk.
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| 
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| - Built-in implementation of POSIX.1-2001 message catalog support.
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|   New APIs: catclose, catgets, catopen.  New tool: gencat.
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| 
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| - New APIs: sigtimedwait, wmempcpy.
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| 
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| 
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| What changed:
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| -------------
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| 
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| - Standard headers no longer use macros to support K&R C.
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| 
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| - confstr(3) and getconf(1) accept LFS_CFLAGS, LFS_LDFLAGS, etc.
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| 
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| - The __always_inline and __nonnull macros in <sys/cdefs.h> are now
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|   compatible with glibc.
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| 
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| - Feature Test Macros improvements in <fcntl.h>, <limits.h>, <netdb.h>,
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|   <strings.h>, and <unistd.h>.
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| 
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| 
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| Bug Fixes
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| ---------
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| 
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| - Fix a problem in unlink on NFS.
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|   Addresses: Shows up in GAWK testsuite test "testext"
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| 
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| - Fix errno setting bug in posix_fadvise and posix_fallocate.
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|   Addresses: https://cygwin.com/ml/cygwin-patches/2017-q4/msg00026.html
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| 
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| - Fix two bugs in the limit of large numbers of sockets.
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|   Addresses: https://cygwin.com/ml/cygwin/2017-11/msg00052.html
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| 
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| - Fix a fork failure with private anonymous mmaps.
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|   Addresses: https://cygwin.com/ml/cygwin/2017-12/msg00061.html
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| 
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| - Remove a call to fflush from ftell{o}, which may result in wrong offsets.
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|   Addresses: https://cygwin.com/ml/cygwin/2017-12/msg00151.html
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| 
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| - Fix file pointer computation after short writes on block devices.
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|   Addresses: https://cygwin.com/ml/cygwin/2017-12/msg00151.html
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